996 Network Administrators jobs in Singapore

Network Security Engineer

Singapore, Singapore SPTel

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Job Description

SPTel is a joint venture between ST Engineering and SP Group and we are able to leverage the strengths of our parents to provide unique connectivity and digital services for our customers to become the digital services provider of choice. Our network is known for reliability and diversity because our unique fibre pathways combine leased SP Group infrastructure with owned fibre pipes laid alongside the power network cables. Our network structure also ensures your data takes the shortest possible route for optimal performance.

SPTel is a Business Class Digital Services provider that promises:

· Fully digitalised processes, enabling on demand provisioning of services such as Bandwidth and cyber security

· Business Grade connectivity standards that include <1ms ultra low latency performance and clean-pipe connectivity as a default

· True network diversity for improved reliability with unique fibre pathways and facilities that are physically separate from incumbent telcos

· Innovative services such as Quantum Key Distribution-as-a-Service (QKD-a-a-S), IoT-a-a-S and Edge Cloud

We are well recognised in the industry clinchingnumerous awardsfor our cutting-edge telco services and featured on CNA in a documentary “Home-Grown with a Digital Edge” as well as vignette “Securing the Future in the Age of Quantum Computing”.

These accolades and achievements are the result of us meticulously grooming a team of talents and specialists to be part of our exciting journey and we are looking to grow our team. If you are a skilled and driven individual, do join us as co-creators of the future of SPTel.

Job Brief:

We are looking for an Engineer/Senior Engineer who is passionate about security with at least 5 years of experience in network security.

This rewarding role will best suit someone with network experience, and the ability to work closely with our engineers to deliver large scale network security solutions.

Experience working with cyber security and in a CII(Critical Information Infrastructure) environment will be an added advantage.

Responsibilities:

Infrastructure & Network Security

  • Protect Telco cloud infrastructure and corporate IT network systems. Be responsible for the implementation and management of security-related applications and systems as system owner.

  • Lead to architect, implement, manage and continuously improve security-related systems including but not limited to NGFW, IPS, WAF, Anti-DDoS, AD(Active Directory), TACACS+, PAM, MFA, EDR, EPP/SP, SIEM, ZTNA, and SASE.

  • Develop Standard Operational Procedures(SOP), Manual of Procedures(MOP), and operational documentation for service delivery and change requests.

  • Lead Proof of Concepts (POC) for emerging security technologies and managed security services (MSS).

  • Support the team as Layer 3 technical support for security-related systems issues, SOC alerts, etc.

  • Support ISMS and ISO27001 implementation.

Customer Cybersecurity Support

  • Evaluate and respond to customer tenders and cybersecurity inquiries, including infrastructure security compliance, managed security services compliance and data privacy compliance.

  • Support the Sales and Solution teams in addressing supply chain and third-party cybersecurity requirements.

Incident Response Management

  • Support the company’s response to cybersecurity incidents and threats.

  • Develop and maintain incident response plans, SOC alert playbooks, cyber incident playbooks and conduct annual cyber table-top exercises and/or simulations.

  • Provide incident investigation support to SOC and technical operations teams.

  • Monitoring and managing all security breaches and handling security incidents, taking remedial action to prevent recurrence wherever possible.

  • Any other ad-hoc duties as assigned by superior from time to time.

Role Requirements:

  • Minimum 5 years of experience in cybersecurity.

  • Strong understanding of security architecture across network, infrastructure, and endpoint layers.

  • Familiarity with security operations, risk assessments, incident management, and customer cybersecurity support.

  • Hands-on experience with security technologies (e.g., Firewall, IPS/IDS, WAF, DDoS Protection, AD, PAM, SIEM, EDR, ZTNA).

  • Have experience creating design documents (HLD, LLD) diagrams, and presentations.

  • Have experience in project management.

  • Strategic mindset with strong problem-solving and risk mitigation skills.

  • Ability to work cross-functionally with internal teams, auditors, and customers.

  • Enjoy working with different stakeholders to achieve desired outcomes.

  • Ability to work in a fast-paced environment and multi-tasking.

  • Professional Certifications such as in network, security domains and project management will be an advantage.

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Network Security Engineer

Singapore, Singapore ST Engineering

Posted today

Job Viewed

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Job Description

Get AI-powered advice on this job and more exclusive features.

SPTel is a joint venture between ST Engineering and SP Group and we are able to leverage the strengths of our parents to provide unique connectivity and digital services for our customers to become the digital services provider of choice. Our network is known for reliability and diversity because our unique fibre pathways combine leased SP Group infrastructure with owned fibre pipes laid alongside the power network cables. Our network structure also ensures your data takes the shortest possible route for optimal performance.

SPTel is a Business Class Digital Services provider that promises:

  • Fully digitalised processes, enabling on demand provisioning of services such as Bandwidth and cyber security
  • Business Grade connectivity standards that include <1ms ultra low latency performance and clean-pipe connectivity as a default
  • True network diversity for improved reliability with unique fibre pathways and facilities that are physically separate from incumbent telcos
  • Innovative services such as Quantum Key Distribution-as-a-Service (QKD-a-a-S), IoT-a-a-S and Edge Cloud

We are well recognised in the industry clinching numerous awards for our cutting-edge telco services and featured on CNA in a documentary “Home-Grown with a Digital Edge” as well as vignette “Securing the Future in the Age of Quantum Computing”.

These accolades and achievements are the result of us meticulously grooming a team of talents and specialists to be part of our exciting journey and we are looking to grow our team. If you are a skilled and driven individual, do join us as co-creators of the future of SPTel.

Job Brief:

We are looking for an Engineer/Senior Engineer who is passionate about security with at least 5 years of experience in network security.

This rewarding role will best suit someone with network experience, and the ability to work closely with our engineers to deliver large scale network security solutions.

Experience working with cyber security and in a CII(Critical Information Infrastructure) environment will be an added advantage.

Responsibilities:

Infrastructure & Network Security

  • Protect Telco cloud infrastructure and corporate IT network systems. Be responsible for the implementation and management of security-related applications and systems as system owner.
  • Lead to architect, implement, manage and continuously improve security-related systems including but not limited to NGFW, IPS, WAF, Anti-DDoS, AD(Active Directory), TACACS+, PAM, MFA, EDR, EPP/SP, SIEM, ZTNA, and SASE.
  • Develop Standard Operational Procedures(SOP), Manual of Procedures(MOP), and operational documentation for service delivery and change requests.
  • Lead Proof of Concepts (POC) for emerging security technologies and managed security services (MSS).
  • Support the team as Layer 3 technical support for security-related systems issues, SOC alerts, etc.
  • Support ISMS and ISO27001 implementation.

Customer Cybersecurity Support

  • Evaluate and respond to customer tenders and cybersecurity inquiries, including infrastructure security compliance, managed security services compliance and data privacy compliance.
  • Support the Sales and Solution teams in addressing supply chain and third-party cybersecurity requirements.
  • Support the company’s response to cybersecurity incidents and threats.
  • Develop and maintain incident response plans, SOC alert playbooks, cyber incident playbooks and conduct annual cyber table-top exercises and/or simulations.
  • Provide incident investigation support to SOC and technical operations teams.
  • Monitoring and managing all security breaches and handling security incidents, taking remedial action to prevent recurrence wherever possible.
  • Any other ad-hoc duties as assigned by superior from time to time.

Role Requirements:

  • Minimum 5 years of experience in cybersecurity.
  • Strong understanding of security architecture across network, infrastructure, and endpoint layers.
  • Familiarity with security operations, risk assessments, incident management, and customer cybersecurity support.
  • Hands-on experience with security technologies (e.g., Firewall, IPS/IDS, WAF, DDoS Protection, AD, PAM, SIEM, EDR, ZTNA).
  • Have experience creating design documents (HLD, LLD) diagrams, and presentations.
  • Have experience in project management.
  • Strategic mindset with strong problem-solving and risk mitigation skills.
  • Ability to work cross-functionally with internal teams, auditors, and customers.
  • Enjoy working with different stakeholders to achieve desired outcomes.
  • Ability to work in a fast-paced environment and multi-tasking.
  • Professional Certifications such as in network, security domains and project management will be an advantage.
Seniority level
  • Seniority level Associate
Employment type
  • Employment type Full-time
Job function
  • Job function Information Technology

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Network Security Engineer

Singapore, Singapore P2P

Posted 2 days ago

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Job Description

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk.

Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets.

We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.

We are seeking a Network Security Engineer to join the network security team to ensure that our infrastructure and networks are properly protected. They will design, coordinate and implement security controls, audit configurations, and design networks in a hybrid compute environment. A successful candidate will have an attention to detail, the ability to understand what impacts their changes have on the network and relevant associated services.

What you’ll be doing:

  • Collaborate with cross-functional security, technology, and trading teams to design and deploy innovative solutions that enhance both system integrity and trading performance.
  • Actively contribute to the design, implementation, and maintenance of mission-critical trading infrastructure that drives resilient and scalable market operations.
  • Implement robust strategies to reduce network risks by leveraging micro-segmentation, port-based security, and other innovative methods.
  • Evaluate, diagnose, and implement effective network security solutions such as firewalls, network detect and response, intrusion prevention systems (IPS), and VPN concentrators to improve our network security and ensure reliable remote access.
  • Leverage automation, AI, and other emerging and innovative technologies to continuously enhance our ability to detect and respond to security events.
  • Perform in-depth analysis of network packet captures to investigate security incidents and identify areas for improvement.
  • Continuously seek opportunities to automate tasks and streamline security operations for improved efficiency and effectiveness.

What we’re looking for:

  • You are passionate about solving complex problems that enable our company to securely connect from anywhere globally to facilitate new business opportunities.
  • You are a network security engineer who thrives on designing, implementing, and supporting cutting-edge security systems that keep our network safe from emerging threats.
  • You can get your hands dirty with hands-on experience in firewalls, client VPNs, SASE, NDR, and IDS solutions.
  • You enjoy scripting and coding to automate processes and reduce repetitive work
  • You have a solid understanding of TCP, UDP, IP, the OSI Model, and Layer 1-4 & 7 principles and security protocols.
  • You are a dedicated professional who isn’t afraid of stepping up for on-call duties—even if it means working nights or weekends
  • You are someone that continuously seeking innovative improvements to drive high-quality, state-of-the-art, and effective security solutions.
  • You are an effective communicator, able to translate complex technical insights into clear, actionable strategies that resonate with cross-functional teams.

For more information about DRW's processing activities and our use of job applicants' data, please view our Privacy Notice at .

California residents, please review the California Privacy Notice for information about certain legal rights at .

#LI-PR1

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Network Security Engineer

Singapore, Singapore QUESS SINGAPORE

Posted 3 days ago

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Job Description

Key Responsibilities:

  • Configure and manage Cisco Catalyst Switches (IOS), Cisco Nexus Switches (NXOS), and Alcatel-Lucent Switches (AOS) to support a secure, efficient, and scalable network.

  • Implement, manage, and troubleshoot Palo Alto and Fortinet FortiGate Firewalls to ensure robust perimeter and internal network security.

  • Administer Alcatel-Lucent Wireless Controllers to maintain a secure wireless network infrastructure.

  • Utilize SolarWinds Network Performance Monitor (NPM) and Network Configuration Manager (NCM) for performance monitoring, alerts, and configuration backups.

  • Manage and maintain ClearPass Policy Manager for network access control, authentication, and policy enforcement.

  • Conduct regular network assessments, vulnerability scans, and remediation in compliance with security best practices.

  • Work collaboratively with other IT teams to support projects, resolve incidents, and implement changes.

  • Maintain detailed documentation of configurations, processes, and security standards.

Required Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, or a related field.

  • Minimum of 3 years of experience in a network security engineering role.

  • Strong proficiency in:

    • Cisco Catalyst and Nexus switches

    • Alcatel-Lucent switches and wireless controllers

    • Palo Alto and Fortinet FortiGate firewalls

    • ClearPass Policy Manager

  • Experience with SolarWinds NPM/NCM for network performance and configuration management.

  • Solid understanding of network protocols, security architectures, and best practices.

  • Strong analytical, troubleshooting, and problem-solving skills.

  • Effective communication and team collaboration abilities.

Disclaimer: The company is committed to ensuring the privacy and security of your information. By submitting this form, you consent to the collection, processing, and retention of the information you provide. The data collected (which may include your contact details, educational background, work experience and skills) will be used solely for the purpose of evaluating your qualifications for the position you're applying for. Your data will be stored securely and retained for the duration necessary to fulfill our hiring process. If you are not selected for the position, your data will be kept on file for a limited period in case future opportunities arise. You have the right to access, correct, or delete your data at any time by contacting us at Quess Singapore | A Leading Staffing Services Provider in Singapore ( quesscorp.sg )

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Network Security Engineer

Singapore, Singapore RECRUIT EXPRESS PTE LTD

Posted 7 days ago

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Job Description

Designs, supports, coordinates, controls and operates internal data or voice communication systems or specialized components of a network whether data, voice or video including Local Area Networks (LANs), Wide Area Networks (WANs), and voice systems by conducting such activities as planning, configuring, testing, maintaining, troubleshooting and tuning network infrastructure which might include routers, switches, gateways, firewall systems, multi-function switches, end offices, signalling transfer points, private branch exchanges (PBXs), voice mail, call management systems (CMS) and network security devices.

1) With hands-on experiences in deployment on Cisco & Aruba Switches, Routers, AP and Ruckus Switches & AP.

2) With knowledge on Routing Protocol and Wireless AP.

3) Preferably with working experiences on small scale to large scale network deployment.

Basic Qualifications

  • Diploma or equivalent combination of education and working experience
  • Diploma in engineering, computer science, management information systems, or related field preferred
  • 2+ years of enterprise level experience with network switching, routing, firewalls, wireless networking, etc., or an equivalent combination of education, certification(s), and/or related experience
  • Experience working with local area network systems and technical infrastructure communication issues
  • Experience working with Data Centre networking and network architecture experience
  • Experience working with Network security and network architecture experience
  • Experience working with multiple technical platforms (e.g., mainframe, two-tiered client-server, three-tiered client-server)
  • CCNA or Security+ desired/preferred

Other Qualifications

  • Good analytical and problem-solving skills
  • Skilled in time, priority and task management
  • Interpersonal skills to interact with customers and team members
  • Communication skills to interact with team members and support personnel
  • Leadership skills to assist less experienced personnel
  • Ability to work independently and as part of a team
  • Ability to manage competing priorities in a complex environment
  • Ability to convey a strong presence, professional image, and deal confidently with technical problems

Interested applicants please send your resume to

Venessa Goh Wee Ni

R24124686

Recruit Express Pte Ltd

EA License No: 99C4599

We regret that only shortlisted candidates will be contacted.

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Network Security Engineer

Singapore, Singapore SPTel Pte Ltd

Posted 7 days ago

Job Viewed

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Job Description

SPTel is a joint venture between ST Engineering and SP Group and we are able to leverage the strengths of our parents to provide unique connectivity and digital services for our customers to become the digital services provider of choice. Our network is known for reliability and diversity because our unique fibre pathways combine leased SP Group infrastructure with owned fibre pipes laid alongside the power network cables. Our network structure also ensures your data takes the shortest possible route for optimal performance.

SPTel is a Business Class Digital Services provider that promises:

· Fully digitalised processes, enabling on demand provisioning of services such as Bandwidth and cyber security

· Business Grade connectivity standards that include <1ms ultra low latency performance and clean-pipe connectivity as a default

· True network diversity for improved reliability with unique fibre pathways and facilities that are physically separate from incumbent telcos

· Innovative services such as Quantum Key Distribution-as-a-Service (QKD-a-a-S), IoT-a-a-S and Edge Cloud

We are well recognised in the industry clinchingnumerous awardsfor our cutting-edge telco services and featured on CNA in a documentary “Home-Grown with a Digital Edge” as well as vignette “Securing the Future in the Age of Quantum Computing”.

These accolades and achievements are the result of us meticulously grooming a team of talents and specialists to be part of our exciting journey and we are looking to grow our team. If you are a skilled and driven individual, do join us as co-creators of the future of SPTel.

Job Brief:

We are looking for an Engineer/Senior Engineer who is passionate about security with at least 5 years of experience in network security.

This rewarding role will best suit someone with network experience, and the ability to work closely with our engineers to deliver large scale network security solutions.

Experience working with cyber security and in a CII(Critical Information Infrastructure) environment will be an added advantage.

Responsibilities:

Infrastructure & Network Security

  • Protect Telco cloud infrastructure and corporate IT network systems. Be responsible for the implementation and management of security-related applications and systems as system owner.

  • Lead to architect, implement, manage and continuously improve security-related systems including but not limited to NGFW, IPS, WAF, Anti-DDoS, AD(Active Directory), TACACS+, PAM, MFA, EDR, EPP/SP, SIEM, ZTNA, and SASE.

  • Develop Standard Operational Procedures(SOP), Manual of Procedures(MOP), and operational documentation for service delivery and change requests.

  • Lead Proof of Concepts (POC) for emerging security technologies and managed security services (MSS).

  • Support the team as Layer 3 technical support for security-related systems issues, SOC alerts, etc.

  • Support ISMS and ISO27001 implementation.

Customer Cybersecurity Support

  • Evaluate and respond to customer tenders and cybersecurity inquiries, including infrastructure security compliance, managed security services compliance and data privacy compliance.

  • Support the Sales and Solution teams in addressing supply chain and third-party cybersecurity requirements.

Incident Response Management

  • Support the company’s response to cybersecurity incidents and threats.

  • Develop and maintain incident response plans, SOC alert playbooks, cyber incident playbooks and conduct annual cyber table-top exercises and/or simulations.

  • Provide incident investigation support to SOC and technical operations teams.

  • Monitoring and managing all security breaches and handling security incidents, taking remedial action to prevent recurrence wherever possible.

  • Any other ad-hoc duties as assigned by superior from time to time.

Role Requirements:

  • Minimum 5 years of experience in cybersecurity.

  • Strong understanding of security architecture across network, infrastructure, and endpoint layers.

  • Familiarity with security operations, risk assessments, incident management, and customer cybersecurity support.

  • Hands-on experience with security technologies (e.g., Firewall, IPS/IDS, WAF, DDoS Protection, AD, PAM, SIEM, EDR, ZTNA).

  • Have experience creating design documents (HLD, LLD) diagrams, and presentations.

  • Have experience in project management.

  • Strategic mindset with strong problem-solving and risk mitigation skills.

  • Ability to work cross-functionally with internal teams, auditors, and customers.

  • Enjoy working with different stakeholders to achieve desired outcomes.

  • Ability to work in a fast-paced environment and multi-tasking.

  • Professional Certifications such as in network, security domains and project management will be an advantage.

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Network Security Engineer

Singapore, Singapore DRW

Posted 11 days ago

Job Viewed

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Job Description

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk.

Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital and cryptoassets.

We operate with respect, curiosity and open minds. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.

We are seeking a Network Security Engineer to join the network security team to ensure that our infrastructure and networks are properly protected. They will design, coordinate and implement security controls, audit configurations, and design networks in a hybrid compute environment. A successful candidate will have an attention to detail, the ability to understand what impacts their changes have on the network and relevant associated services.

What you’ll be doing:

  • Collaborate with cross-functional security, technology, and trading teams to design and deploy innovative solutions that enhance both system integrity and trading performance.
  • Actively contribute to the design, implementation, and maintenance of mission-critical trading infrastructure that drives resilient and scalable market operations.
  • Implement robust strategies to reduce network risks by leveraging micro-segmentation, port-based security, and other innovative methods.
  • Evaluate, diagnose, and implement effective network security solutions such as firewalls, network detect and response, intrusion prevention systems (IPS), and VPN concentrators to improve our network security and ensure reliable remote access.
  • Leverage automation, AI, and other emerging and innovative technologies to continuously enhance our ability to detect and respond to security events.
  • Perform in-depth analysis of network packet captures to investigate security incidents and identify areas for improvement.
  • Continuously seek opportunities to automate tasks and streamline security operations for improved efficiency and effectiveness.

What we’re looking for:

  • You are passionate about solving complex problems that enable our company to securely connect from anywhere globally to facilitate new business opportunities.
  • You are a network security engineer who thrives on designing, implementing, and supporting cutting-edge security systems that keep our network safe from emerging threats.
  • You can get your hands dirty with hands-on experience in firewalls, client VPNs, SASE, NDR, and IDS solutions.
  • You enjoy scripting and coding to automate processes and reduce repetitive work.
  • You have a solid understanding of TCP, UDP, IP, the OSI Model, and Layer 1-4 & 7 principles and security protocols.
  • You are a dedicated professional who isn’t afraid of stepping up for on-call duties—even if it means working nights or weekends.
  • You are someone that continuously seeks innovative improvements to drive high-quality, state-of-the-art, and effective security solutions.
  • You are an effective communicator, able to translate complex technical insights into clear, actionable strategies that resonate with cross-functional teams.
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Network Security Engineer

Singapore, Singapore TEKsystems

Posted 11 days ago

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Job Description

Join to apply for the Network Security Engineer role at TEKsystems .

We’re looking for a hands-on Network Security Expert to join our team. You'll support daily operations, manage incidents and changes, and work across teams to implement key security solutions.

Key Responsibilities
  • Manage and troubleshoot Palo Alto firewalls, F5 load balancers, Zscaler (ZIA/ZPA), and Cisco ISE
  • Support Okta integrations (SSO/MFA) and CyberArk for privileged access
  • Analyze network/security designs to improve performance and reduce risks
  • Work closely with access and infrastructure teams
  • Participate in monthly on-call rotation for critical systems
Requirements
  • Experience with Palo Alto, F5 LTM, Zscaler, and Cisco ISE
  • Familiar with Okta, CyberArk, and Active Directory
  • Strong troubleshooting and documentation skills
  • Team player, comfortable in agile environments
Nice To Have
  • Certifications (e.g., PCNSE, CCNP Security, Zscaler Certified)
  • Scripting or automation (Ansible, Terraform)
  • Knowledge of IAM, PKI, and certificate-based access

Note: The original job description contained duplicate content and irrelevant sections; these have been removed for clarity and focus.

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Network Security Engineer

Singapore, Singapore ITCAN PTE. LIMITED

Posted 11 days ago

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Job Description

JD-Network security Engineer

  • Execute operational tasks for network security solutions, including network firewalls, intrusion prevention systems (IPS), proxies and web application firewalls (WAF).
  • Monitor the performance and maintain network security solutions.
  • Utilise various tools and solutions to troubleshoot and diagnose network problems.
  • Identify and provide insight on WAF violations.
  • Post office-hours activation for support and troubleshooting.
  • Perform data tabulation and report extraction.
  • Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS)
  • Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations
  • Monitor performance and ensure system availability and reliability
  • Monitor system resource utilization, trending, and capacity planning
  • Provide Level-2/3 support and troubleshooting to resolve issues
  • Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
  • Select and implement security tools, policies, and procedures in conjunction with the company’s security team
  • Liaise with vendors and other IT personnel for problem resolution
  • Handle request and perform necessary network configuration.
  • Coordinate the troubleshooting and incident root cause analysis for the managed equipment. It might include troubleshooting with other parties
  • Review new release of vulnerabilities and provide recommendation to HDB. It includes obtaining of firmware, schedule and coordinate firmware patching with testers.

Requirements and skills

  • Possess knowledge on networking protocols and technologies like TCP/IP, VLANs, VPNs, and routing/switching.
  • Possess fundamental application security knowledge like interpretation of HTTP response status codes and WAF violations. Higher proficiency in application security knowledge to advice on remediation measures is an added advantage, but not mandatory.
  • Proficient with network equipment from vendors like Palo Alto, Check Point, Trend Micro, Fortinet and F5.
  • Experience in solutions that supports the primary job tasks, like Network Performance Monitoring (NPM) and Security Information and Event Management (SIEM).
  • Understanding of network security best practices and tools.
  • Strong problem-solving skills and ability to work under pressure. Willingness to learn.
  • Fundamental skills on Microsoft Office products like Word and Excel.
  • Additional certifications like CCNA, CCNP or product (with reference to products listed above) certifications are a plus.
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Network Security Engineer

Singapore, Singapore Cloudflare

Posted 11 days ago

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Job Description

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us!

About the Team

The Cloudflare Customer Support Team solves complicated problems and answers technical questions via phone, email, chat and social media. Whether it is a Wordpress blogger using our services for free or a global Enterprise business with petabytes of web traffic, we are always eager to assist. We are the eyes and ears of Cloudflare, acting as the real-time voice of the customer to help communicate their needs and real-world use cases back to the rest of the company - for better service and future product development.

What You'll Do

Do you love solving complex technical issues and interacting with people? Are you passionate about providing premium-level support to customers and are a standout colleague? Cloudflare is seeking an experienced Network Security Engineer to join our team and support our largest and most technically sophisticated customers in resolving technical problems, threats or attacks on their infrastructure at OSI Layers 3, 4, and 7. This will span the range of Cloudflare products from Magic Transit Infrastructure Protection, Argo Smart Routing, DDoS mitigation and Network Firewall, to using the Web Application firewall (WAF), Spectrum and Rate Limiting to help customers.

  • Serve as a trusted technical advisor for our enterprise customers, responding to and resolving inquiries and incidents related to network security and performance, while delivering timely, high-quality and personalized assistance.
  • Work directly with customers to diagnose, troubleshoot and resolve complex technical issues involving DDoS mitigation, firewall rules, SSL/TLS, network confirmation, and other security configurations.
  • Create and maintain knowledge base articles, technical guides, and troubleshooting documentation for internal and customer use.
  • DDoS mitigation for OSI layers 3,4, & 7: advise customers on how to filter malicious traffic using Cloudflare tools like Magic Transit, Network Firewall, WAF, IP reputation lists, packet inspection, blocklisting, allowlisting, and rate limiting
  • Work with Engineering and Product teams to improve products and tools
What We're Looking For
  • You have a minimum of 4 years experience working as a Network Security Engineer / Technical Support Engineer / Sr. Support Engineer supporting networking or web security products.
  • Exceptional troubleshooting and problem-solving skills, with the ability to simplify complex concepts for customers.
  • Strong customer service orientation and communication skills, both written and verbal, fluent in English and preferably a second language like Mandarin, Hindi, Tamil, Korean or Japanese.
  • Ability to work independently and collaboratively in a fast-paced, dynamic environment.
  • Strong understanding of network protocols, including TCP/IP, DNS, HTTP/S, and BGP, with a particular focus on anycast routing concepts and implementation, as well as tools such as iptables and looking glass.
  • Proven experience troubleshooting network connectivity issues, BGP routing, and GRE tunnels, and performing packet capture analysis
  • Confident with command line and tools, including curl, dig, traceroute, openssl, git
  • Experience in a web development and / or hosting environment such as installing and configuring web servers like Apache, Nginx, Caddy and IIS
  • You have worked with PostgreSQL, MySQL, MS SQL, and other database servers
  • Bachelor’s degree in Computer Science, Cybersecurity, or a related field (or equivalent experience).
  • Relevant certifications such as CISSP, GCIA GCIH, GCFA, GCFE or equivalent.

What Makes Cloudflare Special?

We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

Project Galileo : Since 2014, we've equipped more than 2,400 journalism and civil society organizations in 111 countries with powerful tools to defend themselves against attacks that would otherwise censor their work, technology already used by Cloudflare’s enterprise customers--at no cost.

Athenian Project : In 2017, we created the Athenian Project to ensure that state and local governments have the highest level of protection and reliability for free, so that their constituents have access to election information and voter registration. Since the project, we've provided services to more than 425 local government election websites in 33 states.

1.1.1.1 : We released 1.1.1.1 to help fix the foundation of the Internet by building a faster, more secure and privacy-centric public DNS resolver. This is available publicly for everyone to use - it is the first consumer-focused service Cloudflare has ever released. Here’s the deal - we don’t store client IP addresses never, ever. We will continue to abide by our privacy commitment and ensure that no user data is sold to advertisers or used to target consumers.

Sound like something you’d like to be a part of? We’d love to hear from you!

This position may require access to information protected under U.S. export control laws, including the U.S. Export Administration Regulations. Please note that any offer of employment may be conditioned on your authorization to receive software or technology controlled under these U.S. export laws without sponsorship for an export license.

Cloudflare is proud to be an equal opportunity employer. We are committed to providing equal employment opportunity for all people and place great value in both diversity and inclusiveness. All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law. We are an AA/Veterans/Disabled Employer.

Cloudflare provides reasonable accommodations to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job. Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at or via mail at 101 Townsend St. San Francisco, CA 94107.

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