1,115 Network Engineers jobs in Singapore

Seeking 2 Network Engineers to join on this project based at Changi Site with Cat2B (red Zone) Clearance needed for this 1 Year project renewable assignment.

Office hours

24X7 Standby (Standby Allowance $200) + Transport Claim + Bonus

Requirements:

- Degree in IT / Computer Science / Engineering or equivalent

- Minimum 5 years of experienc e in a System Integration environment and/or implementing Network systems

- Familiar and experienced in implementing and configuring network products like routers, switches, load balancers, firewalls and more - Strong familiarity with Cisco, Alcatel, Load Balancer and Firewall is a plus

- Certification in Network products is a plus

- Good interpersonal and communication skills with ability to explain technology from a customer perspective

Mandatory Proficiency to apply for this role :

- Cisco Switching and Routing

- Alcatel Omni Switch Series

- Palo Alto Firewall

- Checkpoint Firewall

- F5 Load Balancer

- Aruba ClearPass Policy Manager

Network Primary Purpose ***

- Assist in network related hardware/software/firmware incidents

- Maintain all the relevant network records and update all the documentations timely - Maintain Standard Operating Procedure, together with the customer to ensure the processes are in line and up to date as necessary.

- Perform daily system checks and monitoring and to highlight if any abnormalities are found

- Ensure that network related equipment backups are running

Network Responsibilities ***

- Responsible for the infrastructure network design, implementation, testing, security, managing and maintenance of proposed system

- Work closely with Team Leader to meet system delivery milestones

- Provide technical documentation support to Project & Solutions Teams, as well as hand over as-built system documentation to Maintenance support team

- Respond promptly to incident, root cause analysis & provide temporary and/or permanent resolution of incidents escalated. Provide timely status updates to relevant parties

- Engage with back-line support and/or with vendor’s support to diagnose and rectify technical problems.

- Implement service continuity measures, i.e., backup/restore procedures & disaster recovery plan, to ensure continuous operation of the business.

- Assist in day-to-day operation of the System Delivery team

- Carry out other technical related duties that may be required.

- Attain key certifications for partnership with key vendors.

EA License No: 09C4235 I EA Reg: R (Hong Mei Lin)

Overview:We are seeking a skilled Network Security & Troubleshooting Specialist to join our team. The ideal candidate will have a strong understanding of network technologies including MPLS, Firewalls, Proxies, and DNS. This role requires the ability to troubleshoot and resolve complex network issues efficiently. While specific product knowledge is not mandatory, a robust understanding of these technologies and their applications in real-world scenarios is essential.

Key Responsibilities:

• L1, L2 Troubleshooting experience.
• Monitor and troubleshoot network issues related to MPLS, Firewalls, Proxies, and DNS.
• Maintain and configure F5 Load Balancers, including virtual servers, pools, and iRules.
• Conduct packet analysis and isolate network problems effectively.
• Collaborate with cross-functional teams to resolve network disruptions and optimize network performance.

Qualifications:

• Experience with network troubleshooting and understanding of MPLS, Firewalls, Proxy, and DNS.
• Hands-on experience with F5 Load Balancers preferred; F5 Certified Administrator (201) certification is beneficial but not required.
• Ability to analyze and interpret complex network systems.
• Strong problem-solving skills and capacity to work under pressure.

Working Hours:

• This position requires shift work based on a rotating schedule, including daytime hours and weekends (e.g., 2 days on, 3 days off, or 3 days on, 2 days off).

Don't miss out on this chance to be a part of a dynamic and growing team. Take the Next Step in your career journey with us

• To apply, please submit your updated resume along with your notice period, current salary package details, including base salary, incentives, annual wage supplement, and expected salary.
• Click on the 'Apply here' button to drop your resume directly or email it to
• Our team will review all applications and contact shortlisted candidates for further steps in the selection process.

Susmita Sahu

EA License No: 91C2918

Personnel Registration Number: R

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. The role involves designing, coordinating, and implementing security controls, auditing configurations, and designing networks in a hybrid compute environment. A successful candidate will have an attention to detail and the ability to understand the impact of their changes on the network and associated services.

1. Collaborate with cross-functional security, technology, and trading teams to design and deploy innovative solutions that enhance system integrity and trading performance.
2. Contribute to the design, implementation, and maintenance of mission-critical trading infrastructure to ensure resilient and scalable market operations.
3. Implement strategies to reduce network risks using micro-segmentation, port-based security, and other innovative methods.
4. Evaluate, diagnose, and implement network security solutions such as firewalls, network detection and response, intrusion prevention systems (IPS), and VPN concentrators to improve security and enable reliable remote access.
5. Leverage automation, AI, and other emerging technologies to enhance detection and response to security events.
6. Analyze network packet captures to investigate security incidents and identify areas for improvement.
7. Seek opportunities to automate tasks and streamline security operations for efficiency and effectiveness.

• Passion for solving complex problems that enable secure global connectivity for new business opportunities.
• Experience designing, implementing, and supporting advanced security systems that protect networks from emerging threats.
• Hands-on experience with firewalls, client VPNs, SASE, NDR, and IDS solutions.
• Proficiency in scripting and coding to automate processes and reduce repetitive work.
• Solid understanding of TCP, UDP, IP, the OSI model, and security protocols across layers 1-4 and 7.
• Willingness to work on-call, including nights and weekends if necessary.
• Continuous drive to innovate and improve security solutions.
• Effective communication skills to translate complex technical concepts into clear strategies for cross-functional teams.

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

Overview

SpeQtral, a pioneer in quantum communications, is seeking a proactive and experienced Network Security Engineer with a minimum of 2 years of experience to support SpeQtral’s Quantum Network programmes. The ideal candidate will be responsible for designing, implementing, and maintaining secure network infrastructures. You will also play a key role in protecting our organization’s digital assets by identifying vulnerabilities, mitigating threats, and ensuring compliance with industry standards. The ideal candidate would additionally also oversee internal networking, IT, AV and management of cloud services within the organisation.

• Understand customers’ technical requirements to provide technical support for fibre QKD network deployment between sites.
• Assist with the installation and configuration of fibre QKD systems and support
• Conduct preventive maintenance and checks to QKD systems
• Investigate first line support calls assigned and identify the root cause of incidents and problems.
• Troubleshoot and resolve hardware, software, network connectivity issues for projects that had been set up.
• Liaise with customers and principal on escalated incidents
• Ensure the efficient and comprehensive resolution of incidents and requests.
• Provide training to end users on QKD network operations

• Design, configure, and manage switches, firewalls, VPNs, IDS/IPS systems, and other security tools
• Develop and enforce security policies and procedures to protect network integrity.

• Perform regular vulnerability assessments and penetration tests.
• Be part of the cybersecurity team to remediate identified vulnerabilities and ensure secure configurations.

• Maintain up-to-date documentation of network configurations, policies, and security procedures.

• Managing company networking, IT and AV hardware
• Performing admin roles for company cloud and SaaS subscriptions.

• 2 to 5 years in network security, IT security, or a related field. Fresh graduates are encouraged to apply.
• Dip/Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related discipline (or equivalent work experience).
• Sound knowledge of network security technologies including switches, firewalls, VPNs, IDS/IPS, and SIEM solutions.
• Proficiency in TCP/IP, DNS, DHCP, and other core networking protocols.
• Working with cloud platforms, including AWS and Microsoft 365
• (Good to have) Working and configuring soft hypervisors such as Proxmox
• (Good to have) Experience with vulnerability assessment tools (e.g., Nessus, OpenVAS) and penetration testing methodologies.
• (Good to have) Familiarity with security frameworks and compliance standards.
• Relevant certifications such as Cisco CCNA, CompTIA Security+ and/or CEH will be highly considered.
• Excellent analytical and problem-solving abilities.
• Strong communication skills and the ability to work collaboratively in a team environment.
• Proactive and responsive on assigned tasks and incidents follow-up
• Team player and can work independently under minimum supervision

• Experience with scripting/programming languages (e.g., Python, Bash) for automating security tasks.
• Experience working with data visualization tools such as Grafana
• Knowledge of cloud security practices and tools if your organization leverages cloud infrastructures.
• Prior experience in a fast-paced environment where rapid response to security incidents is critical.
• Willing to be on scheduled standby for field service/maintenance support
• An interest in quantum communications and secure communication technologies.

SpeQtral is a Singapore-based quantum communications company that develops and deploys advanced Quantum Key Distribution (QKD) technology to secure critical networks against present and future cyber threats, including those posed by quantum computers. Founded with deep expertise in quantum physics and satellite engineering, SpeQtral works on terrestrial and space-based QKD systems, enabling governments, enterprises, and network operators to establish quantum-safe encryption for long-distance communications. Our mission is to accelerate the global adoption of quantum-secure networks by making trusted key distribution scalable, practical, and interoperable with existing infrastructures.

Submit your application to:

Only shortlisted candidates will be notified.

• Entry level

• Full-time

• Information Technology
• Industries
• Aviation & Aerospace

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Overview

SpeQtral is seeking a proactive and experienced Network Security Engineer with 2 to 5 years of experience to support SpeQtral’s Quantum Network programmes. The ideal candidate will be responsible for designing, implementing, and maintaining secure network infrastructures. You will also play a key role in protecting our organization’s digital assets by identifying vulnerabilities, mitigating threats, and ensuring compliance with industry standards.

The ideal candidate would additionally also oversee internal networking, IT, AV and management of cloud services within the organisation.

• Quantum Programme Support:
  • Understand customers’ technical requirements to provide technical support for fibre QKD network deployment between sites.
  • Assist with the installation and configuration of fibre QKD systems and support
  • Conduct preventive maintenance and checks to QKD systems
  • Investigate first line support calls assigned and identify the root cause of incidents and problems.
  • Troubleshoot and resolve hardware, software, network connectivity issues for projects that had been set up.
  • Liaise with customers and principal on escalated incidents
  • Ensure the efficient and comprehensive resolution of incidents and requests.
  • Provide training to end users on QKD network operations
• Network Security Design & Implementation:
  • Design, configure, and manage switches, firewalls, VPNs, IDS/IPS systems, and other security tools
  • Develop and enforce security policies and procedures to protect network integrity.
• Vulnerability Management:
  • Perform regular vulnerability assessments and penetration tests.
  • Be part of the cybersecurity team to remediate identified vulnerabilities and ensure secure configurations.
• Documentation:
  • Maintain up-to-date documentation of network configurations, policies, and security procedures.
• Support company infrastructure:
  • Managing company networking, IT and AV hardware
  • Performing admin roles for company cloud and SaaS subscriptions.

• Experience:
  • 2 to 5 years in network security, IT security, or a related field. Fresh graduates are encouraged to apply.
• Education:
  • Dip/Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related discipline (or equivalent work experience).
• Technical Skills:
  • Sound knowledge of network security technologies including switches, firewalls, VPNs, IDS/IPS, and SIEM solutions.
  • Proficiency in TCP/IP, DNS, DHCP, and other core networking protocols.
  • Programming using JavaScript and working with open source platforms such as Grafana
  • Working with cloud platforms, including AWS and Microsoft 365
  • (Good to have) Working and configuring soft hypervisors such as Proxmox
  • (Good to have) Experience with vulnerability assessment tools (e.g., Nessus, OpenVAS) and penetration testing methodologies.
  • (Good to have) Familiarity with security frameworks and compliance standards.
• Certifications:
  • Relevant certifications such as Cisco CCNA, CompTIA Security+ and/or CEH will be highly considered.
• Soft Skills:
  • Excellent analytical and problem-solving abilities.
  • Strong communication skills and the ability to work collaboratively in a team environment.
  • Proactive and responsive on assigned tasks and incidents follow-up
  • Team player and can work independently under minimum supervision

• Experience with scripting/programming languages (e.g., Python, Bash) for automating security tasks.
• Experience working with data visualization tools such as Grafana
• Knowledge of cloud security practices and tools if your organization leverages cloud infrastructures.
• Prior experience in a fast-paced environment where rapid response to security incidents is critical.
• Willing to be on scheduled standby for field service/maintenance support
• An interest in quantum communications and secure communication technologies.

SpeQtral is a global quantum technologies company on a mission to transform the world’s networks for the quantum revolution. Powered by technologies developed at the Centre for Quantum Technologies in Singapore, SpeQtral provides specialized solutions for quantum security to clients concerned about the security of their communications networks and infrastructure. SpeQtral’s core expertise lies in using a space-based quantum platform to establish long distance quantum networks with a global reach.

Submit your application to us under Join Us.

We regret that only shortlisted candidates will be notified.

Overview

We’re searching for a Network & Security Engineer to be part of our diverse team of talent here at NCS.

As a Network & Security Engineer, you will be responsible for the initial support and maintenance of OneCare’s client. This role provides 24x7 standby onsite and remote troubleshooting support, onsite hardware replacement, and security patches and firmware or software upgrades of network and security devices while ensuring SLA contractual obligations are met.

• Perform routine network maintenance and system upgrades, including service packs, patches, and hot fixes.
• Hardware replacement which requires prepping up the replacement device with same firmware/software and patches with faulty device. This may require basic to intermediate configuration.

• Identify and resolve network and security issues promptly.
• Provide technical support to end-users and escalate issues to higher-level engineers when necessary.
• Document network problems and resolutions for future reference.
• Basic to intermediate skills in switches, routers or F5
• Basic to intermediate skills in Firewalls (e.g., Fortinet, Check Point and/or Palo Alto)

• Adherence to all clients Security and Cyber hygiene policies.
• Respond to security audits and vulnerability assessments.

• Be part of the 24x7 rotational standby to support all clients 24x7, ensuring meeting SLA.
• Respond to network and security incidents.
• Participate in incident response drills and post-incident reviews.
• Follow all processes, including timely escalation to senior engineers.

• Maintain accurate and up-to-date Preventive Maintenance reports where contractually obligated.
• Provide daily regular updates of incident tickets.
• Collaborate with other engineers to ensure comprehensive documentation of network and security procedures/SOPs.

The ideal candidate should possess:

• Diploma / Degree in Computer Science / Computer Engineering / Information Technology related field, or IT equivalent
• Network and security internship experience or minimally 1 year of related experience or exposure
• Good knowledge of networks and firewalls
• Self-motivated with a positive “can-do” attitude, creative with excellent presentation, communication, negotiation and interpersonal skills including strong persuasive techniques
• Ability to develop and maintain respectful and trusting relationships
• Good customer management experience
• Proficient in written and spoken English
• Able to travel as required

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

R

Recruit Express Pte Ltd

EA License No: 99C4599

We regret that only shortlisted candidates will be contacted.

• Design and Deployment of Security Solutions
• Design and implement Firewall solutions including Checkpoint, Fortinet and Cisco Firepower.
• Implement Network Access Control (NAC) solution using leading technologies such as Forescout & Cisco ISE,
• Implement and manage VPN solution for secure remote access.
• Network Security Management:
• Handle network security for both on-premise and cloud environments.
• Design and deploy Intrusion Detection/Prevention Systems (IDS/IPS).
• Understanding & troubleshooting encryption technologies and protocols, including SSL/TLS, IPsec, and PKI.
• Design and Solution Implementation:
• Collaborate with network, storage, and application teams to design and implement secure network architectures.
• Develop Low-Level Design (LLD) and High-Level Design (HLD) documents for network security projects with the team.
• Infrastructure Management:
• Configure and troubleshoot network infrastructure components such as Cisco Nexus, Catalyst switches, and routers.
• Security Compliance and Best Practices:
• Ensure network security solutions comply with industry standards.
• Perform regular security & vulnerability assessments.
• Conduct penetration testing and security audits to identify and mitigate risks.
• Incident and Change Management:
• Experience in managing security incidents, including detection, response, and mitigation.
• Work on Change Management and Problem Management to ensure secure deployment of network changes.
• Security Governance:
• Develop and implement security policies, procedures, and guidelines to ensure comprehensive security governance.
• Drive cleanups for Firewall rules, VPN profiles and User access.
• Monitor and report on compliance with security policies, providing recommendations for improvement.

• Degree in computer science/ Information Technology
• Network Industry certification (e.g CCNA, CCNP)
• Professional Network Security certification is preferred.
• 3-5 years of working experience in Corporate Network Security.
• Experience and knowledge in area of Network (CISCO), Firewalls (Checkpoint, Fortinet), Security Orchestration (Algosec), IPS (Palo Alto), Load balancers (F5), VPNs and Authentication Systems.
• Knowledge of LAN, WAN and Data Centre network & Security industry standards relevant to data communications / networking and computing.
• Knowledge of Software Defined Networking (SDN) on Cisco ACI will be advantageous.
• Knowledge on Security best practices and experience in Network solutioning, Operations and Project Management.
• Experience in working with vendors on technology and services.

• Full suite of health and wellness benefits
• Ongoing training and development programs
• Internal mobility opportunities

Take the leap with Singtel to unlock new opportunities and accelerate your growth. Apply now and start your empowering career!

Overview

As a Network & Security Engineer, you will be responsible for the initial support and maintenance of OneCare’s client. This role provides 24x7 standby onsite and remote troubleshooting support, onsite HW replacement, security patches and firmware or software upgrade of Network and Security devices while ensuring SLA contractual obligation is meet.

• Network and Security Maintenance: Perform routine network maintenance and system upgrades, including service packs, patches, and hot fixes. Hardware replacement which requires prepping up the replacement device with same firmware/software and patches with faulty device. This also requires basic to intermediate configuration.
• Troubleshooting and Support: Identify and resolve network and security issues promptly. Provide technical support to end-users and escalate issues to higher-level engineers when necessary. Document network problems and resolutions for future reference. Basic and/or intermediate skill in switches, routers or F5. Basic and/or intermediate skill in Firewalls e.g., Fortinet, Check Point and/or Palo Alto.
• Security Management: Adherence to all clients Security and Cyber hygiene policies. Respond to security audits and vulnerability assessments.
• Incident Response: Part of the 24x7 rotational standby to support all clients 24x7 ensuring meeting SLA. Respond to network and security incidents. Participate in incident response drills and post-incident reviews. Follow all processes, including timely escalation to senior engineers.
• Documentation and Reporting: Conduct and maintain accurate and up to date Preventive Maintenance report where contractually obligated. Daily regular accurate update of incident tickets. Collaborate with other engineers to ensure comprehensive documentation of network and security procedures/SOP.

• Diploma / Degree in Computer Science / Computer Engineering / Information Technology related field, or IT equivalent
• Network and security Internship experience or minimally 2 years of related experience or exposure
• Good knowledge of network and firewalls
• Experience in Fortinet/Check Point is a must
• Self-motivated with a positive “can-do” attitude, creative with excellent presentation, communication, negotiation and interpersonal skills including strong persuasive techniques.
• Ability to develop and maintain respectful and trusting relationship
• Good customer management experience
• Proficient in written and spoken English
• Able to travel as required