105 Security Architecture jobs in Singapore

Senior Cybersecurity Consultant

Singapore, Singapore NCS PTE. LTD.

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Job Description

Roles & Responsibilities

NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.

As a Cyber Security Consultant, the incumbent will design, implement, test, document, and hand over security solutions with a focus on Security by Design principles. The role includes deploying and managing SIEM, SOAR, UEBA, TIPs, DAM, and cloud security across AWS and Azure environments. Additionally, the engineer will use Terraform and other IaC tools to automate security infrastructure, conduct various security tests (SSAT, OSAT, IAT, UAT), and perform system hardening to safeguard systems against vulnerabilities.

What will you do?

  • Security by Design: Integrate security into all stages of system design and development. Perform risk assessments and threat modelling when requried.
  • Implementation & Automation: Deploy SIEM, SOAR, UEBA, and cloud security solutions. Automate security infrastructure with Terraform and maintain consistent security deployments.
  • Testing & Hardening: Conduct System Security Acceptance Testing (SSAT), Operational Security Acceptance Testing (OSAT), Integration Acceptance Testing (IAT), User Acceptance Testing (UAT), and system hardening to ensure secure configurations.
  • Documentation & Handover: Create detailed documentation for security controls and processes. Provide training and handover to the operations team, with operational guides for security management.
  • Log Management & Monitoring: Implement log management systems to centralize security event data and monitor cloud environments with AWS and Azure tools.

The ideal candidate should possess:

  • Bachelor's degree in Computer Science, Cybersecurity, or related field; relevant certifications (e.g., CISSP, AWS/Azure Security).
  • Proficient in conducting security testing (SSAT, OSAT, IAT, UAT) and system hardening.
  • Experience in threat monitoring solutioning, threat hunting, including risk assessments and threat modelling.
  • Hands-on skills in deploying SIEM, SOAR, UEBA, and automating security infrastructure using Terraform.
  • Skilled in creating documentation and delivering training/handover for security operations.
  • Familiar with log management and monitoring tools in AWS and Azure environments.
  • Due to project (Government) sensitivity, only Singapore Citizen will be considered

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen .

Learn more about us at ncs.co and visit our LinkedIn career site.

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Information Security
UAT
Security Operations
Azure
Solutioning
Cyber Security
Technology Solutions
Security Management
System Design
Hardening
User Acceptance Testing
Consulting
Acceptance Testing
LinkedIn
CISSP
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Information Technology - Cyber Security Engineer (Architecture and Engineering)

Singapore, Singapore SINGAPORE AIRLINES LIMITED

Posted 18 days ago

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Job Description
You will be a member of the Group Information Security Team responsible for initiating, implementing and maintaining security products and solutions to support enterprise security.

Key Responsibilities

  • Subject matter expert (SME) for the security systems owned by the Information Security Team.
  • Ensure security systems are utilised to their maximum capabilities.
  • Plan, identify, assess, design, operationalise and maintain multiple security related software and/or hardware.
  • Recommend and drive cyber security solution and initiatives to improve cyber security of the organisation.
  • Prepare RFQ and evaluation criteria. Proof of concept (POC) during product evaluation. Liaising with vendors to implement security solutions.
  • Provide security consultancy, technical guidance, expertise, solutioning and education.
  • Advise infrastructure teams on security design that is relevant and fit for purpose.
  • Identify and assess cyber risks in the IT infrastructure environment.
  • Review firewall requests.
  • Keep up to date on emerging security threats and vulnerabilities on new platforms adopted by the SIA Group and propose mitigating controls.
  • Any relevant ad-hoc duties. Manage individual project priorities, deadlines and deliverables.
  • This is an individual contributor role. Deliver tasks with minimal supervision.
  • Strong communication skills.

Requirements

  • Degree in IT or related field, with at least 5 years in information security, especially in the application security space.
  • Professional security certifications (CISSP, CSSLP, CEH etc) preferred.
  • Experience in security products POC and RFQ.
  • Prior experience in implementing and maintaining any of tools for EDR, XDR, SOAR, SIEM, UEBA, PAM, AM etc. and/or network security. Able to review firewall requests.
  • Technical proficiency in one or more of the following security areas: network design, zero trust, Internet of Things, cryptography etc.
  • Familiar with common web/mobile application vulnerabilities and technical knowledge to address and mitigate vulnerabilities. Any prior vulnerability management experience preferred.
  • Knowledge of cyber security threats, vulnerabilities, hacking and exploit methods etc.
  • Strong oral, written, presentation and inter-personal skills.
  • Possess positive attitude with drive, initiative, enthusiasm, and a keen sense of urgency in resolving high-priority issues.
  • Able to work independently and in a team-oriented, collaborative environment.
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ED/SVP, Enterprise Security Architect, Enterprise Architecture, Group Technology | Singapore, SG

Singapore, Singapore DBS Bank Limited

Posted 10 days ago

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Job Description

ED/SVP, Enterprise Security Architect, Enterprise Architecture, Group Technology ED/SVP, Enterprise Security Architect, Enterprise Architecture, Group Technology

ED/SVP, Enterprise Security Architect, Enterprise Architecture, Group Technology

Business Function
Group Technology enables and empowers the bank with an efficient, nimble and resilient infrastructure through a strategic focus on productivity, quality & control, technology, people capability and innovation. In Group Tech, we manage the majority of the Bank's operational processes and inspire to delight our business partners through our multiple banking delivery channels.

About The Role:

Given the bank's sustained technological expansion, this role assumes a pivotal position in formulating an extensive Enterprise Security Architectural framework, strategy, and standards. This role ensures that our security frameworks, controls, and strategies comply with banking regulatory requirements and protect critical financial data and infrastructure from evolving threats.

Key Responsibilities:

  • Serve as a trusted advisor to business and IT stakeholders, understanding their goals and the broader business strategy to deliver security solutions that align with customer journeys and business outcomes.
  • Collaborate with Application and Infrastructure CTOs and CISO to design and implement a technology security roadmap that supports the bank's strategic objectives.
  • Lead the execution of the technology strategy, ensuring transparency on progress, milestones, and outcomes while aligning with senior management and key stakeholders.
  • Fortify enterprise security architecture including cloud platforms that aligns with financial regulatory requirements, business goals, and industry best practices with prioritisation against evolving threats.
  • Define and maintain reference architectures and technical standards across the organization's infrastructure, applications, and data environments.
  • Lead the evaluation and implementation of security tools, technologies, and services.
  • Partner with internal audit, legal, and compliance to ensure continuous alignment with regulatory updates and audit readiness.
  • Oversee security reviews and architecture of financial applications and third-party services, ensuring data privacy, encryption, and strong access controls.
  • Embed secure development lifecycle (SDLC) practices across application and infrastructure teams.
  • Collaborate with business, IT, DevOps, and cybersecurity teams to promote a security-by-design culture.
Key Requirements:
  • Demonstrated ability to understand business strategy & processes & its successful translation into technology solutions.
  • Excellent knowledge of technical architecture and modern application design patterns, including microservices, serverless functions.
  • Good End-to-End Architecture understanding, including Enterprise Java Stack, Front-End technologies, mobile applications (Android and iOS), Middleware, Databases (SQL & No SQL), Data Lake, RESTful APIs, and streaming technology e.g. Kafka.
  • Experienced working in a cloud native work environment including public cloud, containers, serverless, cloud data, credential and security management such as keys, secrets, vaults, service monitoring on cloud, PaaS and container environment such as Cloud Foundry, OpenShift Docker, Kubernetes and Infra-as-code etc.
  • Strong understanding of banking platforms, payments systems, transaction systems, and regulatory constraints.
  • Deep knowledge of cybersecurity principles, network security, IAM, cryptography, and application security.
  • Strong background in Enterprise Architecture blueprints, including applications, integrations, data, and network landscapes.
  • Ability to formulate and execute multi-year strategic initiatives, while implementing tactical initiatives within a broader framework.
  • Certifications in TOGAF, Zachman, ITIL, CISSP, AWS, Azure, or GCP, or equivalent.
  • Excellent communication and stakeholder management skills, with the ability to influence and drive key architectural decisions.
  • Ability to simplify and clearly communicate complex technical concepts, adjusting for different audiences.
  • Strong time management skills, with the ability to thrive in fast-paced, dynamic environments.
Additional Qualities:
  • Strong analytical mindset, capable of understanding complex scenarios and driving effective solutions.
  • A commitment to fostering innovation, best practices, sustainability, and compliance with industry standards.
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Assistant Director - Zero Trust Architecture (Cyber Security Office)'

Singapore, Singapore Synapxe

Posted 6 days ago

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Job Description

Role & Responsibilities

Zero Trust Strategy and Implementation:

  • Develop and execute the Zero Trust programme roadmap, ensuring alignment with organizational security objectives

  • Design and implement ZTA components, including identity-based access controls, micro-segmentation, and secure application access

  • Oversee the migration from LAN and VPN-based access to ZTNA, ensuring minimal disruption to business operations

Stakeholder and Cross-Functional Coordination:

  • Collaborate with infrastructure, security, application, and user teams to align Zero Trust policies with business requirements

  • Act as the key advisor to senior leadership on Zero Trust matters and secure buy-in from business units

  • Manage stakeholder expectations and provide regular progress updates and risk assessments

Security Operations and Risk Management:

  • Ensure continuous monitoring and adaptation of Zero Trust policies to address emerging threats

  • Develop and enforce security policies aligned with industry standards (e.g., NIST, ISO 27001)

  • Oversee incident response processes and ensure rapid resolution of access-related issues

User Experience and Change Management:

  • Develop a user adoption strategy to drive awareness and acceptance of new access controls

  • Minimize user friction by balancing security controls with operational needs

  • Conduct training and communication campaigns to support the transition

Compliance and Governance:

  • Ensure that all Zero Trust controls comply with relevant regulatory and data privacy requirements

  • Establish governance structures to monitor adherence and policy effectiveness

  • Provide regular reports to executive leadership and audit teams

Requirements

Education and Experience:

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

  • At least 10 years of experience in cybersecurity, network security, or infrastructure management

  • Proven experience in leading large-scale security transformation programmes

Technical Expertise:

  • Deep understanding of Zero Trust Architecture principles and frameworks

  • Expertise in identity management, network segmentation, and secure access models
    Knowledge of cloud and hybrid security models (e.g., AWS, Azure, Google Cloud)

Functional and Leadership Skills:

  • Strong programme and project management skills

  • Excellent communication and stakeholder management abilities

  • Experience in managing cross-functional teams and resolving complex technical issues

Problem-Solving and Decision-Making:

  • Ability to design and implement complex security solutions

  • Strong analytical skills and a strategic mindset to balance security with business needs

  • Experience in handling high-stakes security incidents and operational challenges

Compliance and Risk Management:

  • Familiarity with security frameworks (e.g., NIST, ISO 27001) and regulatory requirements

  • Experience in developing and enforcing security policies across a large enterprise

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Assistant Director - Zero Trust Architecture (Cyber Security Office)

Singapore, Singapore Synapxe

Posted 12 days ago

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Job Description

Assistant Director - Zero Trust Architecture (Cyber Security Office)

Join to apply for the Assistant Director - Zero Trust Architecture (Cyber Security Office) role at Synapxe

Assistant Director - Zero Trust Architecture (Cyber Security Office)

1 week ago Be among the first 25 applicants

Join to apply for the Assistant Director - Zero Trust Architecture (Cyber Security Office) role at Synapxe

  • Develop and execute the Zero Trust programme roadmap, ensuring alignment with organizational security objectives
  • Design and implement ZTA components, including identity-based access controls, micro-segmentation, and secure application access
  • Oversee the migration from LAN and VPN-based access to ZTNA, ensuring minimal disruption to business operations


Position Overview

This is a 2 year Direct Contract role

Role & Responsibilities

Zero Trust Strategy And Implementation

  • Develop and execute the Zero Trust programme roadmap, ensuring alignment with organizational security objectives
  • Design and implement ZTA components, including identity-based access controls, micro-segmentation, and secure application access
  • Oversee the migration from LAN and VPN-based access to ZTNA, ensuring minimal disruption to business operations


Stakeholder And Cross-Functional Coordination

  • Collaborate with infrastructure, security, application, and user teams to align Zero Trust policies with business requirements
  • Act as the key advisor to senior leadership on Zero Trust matters and secure buy-in from business units
  • Manage stakeholder expectations and provide regular progress updates and risk assessments


Security Operations And Risk Management

  • Ensure continuous monitoring and adaptation of Zero Trust policies to address emerging threats
  • Develop and enforce security policies aligned with industry standards (e.g., NIST, ISO 27001)
  • Oversee incident response processes and ensure rapid resolution of access-related issues


User Experience And Change Management

  • Develop a user adoption strategy to drive awareness and acceptance of new access controls
  • Minimize user friction by balancing security controls with operational needs
  • Conduct training and communication campaigns to support the transition


Compliance And Governance

  • Ensure that all Zero Trust controls comply with relevant regulatory and data privacy requirements
  • Establish governance structures to monitor adherence and policy effectiveness
  • Provide regular reports to executive leadership and audit teams


Requirements

Education and Experience:

  • Bachelor’s degree in Computer Science, Information Security, or a related field
  • At least 10 years of experience in cybersecurity, network security, or infrastructure management
  • Proven experience in leading large-scale security transformation programmes


Technical Expertise

  • Deep understanding of Zero Trust Architecture principles and frameworks
  • Expertise in identity management, network segmentation, and secure access models Knowledge of cloud and hybrid security models (e.g., AWS, Azure, Google Cloud)


Functional And Leadership Skills

  • Strong programme and project management skills
  • Excellent communication and stakeholder management abilities
  • Experience in managing cross-functional teams and resolving complex technical issues


Problem-Solving And Decision-Making

  • Ability to design and implement complex security solutions
  • Strong analytical skills and a strategic mindset to balance security with business needs
  • Experience in handling high-stakes security incidents and operational challenges


Compliance And Risk Management

  • Familiarity with security frameworks (e.g., NIST, ISO 27001) and regulatory requirements
  • Experience in developing and enforcing security policies across a large enterprise


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Seniority level
  • Seniority level Director
Employment type
  • Employment type Contract
Job function
  • Job function Engineering and Information Technology
  • Industries IT Services and IT Consulting

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Network Security Engineer

Singapore, Singapore ITCAN PTE. LIMITED

Posted 13 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 DOCTOR ANYWHERE OPERATIONS PTE. LTD.

Posted 16 days ago

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Job Description

About our team

The Security and IT Operations team serves as the backbone of our secure platforms and services. We are responsible for ensuring seamless day-to-day operations, providing robust support, and safeguarding our large-scale, mission-critical applications. Our focus is on maintaining the availability, performance, and security of our platforms, which support B2C and B2B applications, GP and specialist clinics, medical centers, and offices across Singapore, Vietnam, Thailand, Indonesia, Malaysia, and the Philippines.

About the role

As we expand our healthcare services, we are seeking a Network Security Engineer (an individual contributor role) to support our growing infrastructure. This role will play a crucial part in ensuring the reliability, security, and performance of our IT operations across our medical facilities and offices in the region.

The ideal candidate will have strong network and security expertise and ideally, some experience working with medical and imaging systems (e.g., CMS, PACS, MRI, CT Scan, X-Ray). They will be responsible for maintaining and optimising the infrastructure, ensuring compliance with security policies, and providing hands-on technical support for the healthcare services.

A summary of the key responsibilities is as follows:

  • Manage and support IT infrastructure (e.g., servers, VMs, routers, switches, firewalls, WAPs, ISPs, etc) across clinical and on-premise environments, ensuring seamless operations.
  • Manage data backup processes and system operations, including user provisioning and access controls.
  • Implement and maintain network security, ensuring compliance with industry best practices.
  • Troubleshoot and resolve IT and medical device connectivity issues (experience with CMS, PACS, MRI, CT Scan, X-ray etc., is a plus).
  • Install, upgrade, and configure hardware and software on laptops and other devices, where required.
  • Collaborate with cross-functional teams to support the setup of day surgery and health screening centers.
  • Monitor system performance, respond to incidents, and optimise IT operations.
  • Work closely with the security teams to ensure compliance with cybersecurity policies.
  • Assist in IT audits and regulatory compliance efforts for medical environments, where required.
  • Ensure that all data handling, transfer, and processing comply with legal, security, and company guidelines.
  • Document IT processes, system configurations, and troubleshooting steps.
  • Communicate effectively with business stakeholders, ensuring clarity and alignment on IT, network and security related matters.

About you

  • Bachelor's Degree in IT or a related field.
  • 3+ years of experience in IT Operations, preferably in a healthcare or highly regulated environment.
  • Strong knowledge of networking (firewalls, VPNs, VLANs, Wi-Fi, routing, switching etc.) and cybersecurity best practices.
  • Familiarity with medical devices and healthcare IT systems (e.g., CMS, PACS, MRI, CT Scan, X-ray) is an advantage.
  • Experience working on Fortigate and Meraki is a plus
  • Experience with Windows servers and virtualisation (VMware, Hyper-V).
  • Experience working with ticketing systems, preferably Jira.
  • Familiarity with tools not limited to Confluence, Bitbucket, Google Workspace, Slack.
  • Experience with single sign-on (SSO) systems, with preference for OneLogin.
  • Hands-on experience with troubleshooting and supporting enterprise applications.
  • Strong analytical and problem-solving skills with the ability to work independently.
  • Flexibility to provide support on an ad-hoc basis during weekends, when required.
  • A problem-solving mindset and a proactive attitude toward challenges.
  • High standards of integrity and professionalism in all aspects of your work.
  • A strong desire to learn, grow, and continuously improve in your role.
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Network Security Engineer

Singapore, Singapore GS DIGITAL SOLUTIONS PTE. LTD.

Posted 18 days ago

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Job Description

  • Proven experience in a network support role, with a strong focus on datacenter and building networks.
  • In-depth knowledge of firewall management and experience with firewall technologies, including Checkpoint and Palo Alto.
  • Proficiency in supporting a variety of network devices, including Cisco routers and switches.
  • Familiarity with WAN and LAN technologies, including routing protocols and network segmentation.
  • Strong troubleshooting and analytical skills, with the ability to diagnose and resolve complex network issues.
  • Relevant certifications in network technologies, such as CCNA, CCNP, Check Point Certified Systems Administrator (CCSA), and Palo Alto Networks Certified Network Security Engineer (PCNSE), are advantageous.
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Network & Security Engineer

Singapore, Singapore NCS Hong Kong and Singapore

Posted 18 days ago

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Job Description

NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 13,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.

Job Description

We’re searching for aNetwork & Security Engineer to be part of our diverse team of talent here at NCS!

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.

What will you do?

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 Intermediatory skill in switches, routers or f5
  • Basic and/or Intermediatory skill in Firewalls eg Fortinet, Checkpoint and/or Palo Alto

Security Management

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

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 network 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 relationship
  • Proficient in written and spoken English
  • Able to travel as required
Additional Information

We are driven by ourAEIOU beliefs - Adventure, Excellence, Integrity, Ownership, and Unity - and we seek individuals who embody these values in both their professional and personal lives. We arecommitted to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, wemake the extraordinary happen .

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Network Security Engineer

Singapore, Singapore Tek Systems

Posted 18 days ago

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Job Description

  • 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

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

We regret to inform that only shortlisted candidates will be notified .

EA Registration No:NG XUAN,R24123530

Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA License No. 10C4544

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Network Security Engineer

Singapore, Singapore Cloudflare

Posted 18 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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