64 Security Architecture jobs in Singapore

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.

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.

• 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.

• 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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Company description:

Synapxe is the national HealthTech agency inspiring tomorrow's health. The nexus of HealthTech, we connect people and systems to power a healthier Singapore.

Together with partners, we create intelligent technological solutions to improve the health of millions of people every day, everywhere. Reimagine the future of health together with us at

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

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

NOTE: It only takes a few minutes to apply for a meaningful career in HealthTech - GO FOR IT!

#LI-SYNX13

General Description

Primary Responsibility will be design (configuration), deployment and maintaining a comprehensive enterprise security infrastructure.

Key Responsibilities

• Design, configure, deploy, and maintain the security infrastructure.
• Analyze problems, recommend solutions, products, and technologies to meet business objectives.
• Responsible for providing regular security reports and updates to the Management Team on state of the Networks.
• Actively protect information technology assets and infrastructure from external or internal threats and ensure that the state complies with statutory and regulatory requirements regarding information access, security and privacy
• Implementing firewall solutions to properly secure data and provide consultation on all new firewall implementations, firewall configuration changes, and projects requiring security operational support.
• Assist the end-user, other IT professionals, and external customers in requesting security variances and implementation of subsequent configuration change requests.
• Act as a focal contact point for all Regulatory & Audit interfaces and associated activities in the Network Security domain.
• Recommend best security practices to achieve business objectives, advises on risk assumptions for any variances granted, and provides alternatives to achieve desired end results.
• Assist in incident response for any breaches, intrusions, or theft.
• Monitoring systems for any anomalies, proper updating, and patching
• Evaluates and performs planning, testing, and implementation of software and hardware upgrades.
• Maintaining system documentation and configuration data for regulatory and audit purposes

Job Requirements

• Ability to multi-task, independent, meticulous, good team player, willing to learn, take initiative and reliable.
• Good communication and interpersonal skills
• Able to work independently with minimum supervision.

Qualifications

• A Bachelor’s degree in Information Technology or a related field from a regionally accredited institution
• Possess current CISCO Certified Network Associate (CCNA) certification
• CISSP Certification is preferred
• At least 6 years of relevant experience in managing Network Security Administration
• 5 or more years professional experience with current network security protocols, hardware and software
• Experience with Network infrastructure design, including telephony and video
• Experience with Cisco router and switch configuration
• Experience with one or more of the following firewalls: Checkpoint, CISCO, Juniper, Fortinet, Sophos, HP, 3Com and McAfee IDS/IPS and Syslog

• 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.

• 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

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.

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.

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

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 .

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.

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

• Provide expert-level technical support for complex enterprise network environments.
• Design, implement, and optimize network solutions across various industries.
• Troubleshoot and resolve critical network issues, ensuring minimal downtime.
• Lead high-priority network projects, including Tech-Refresh initiatives.
• Participate in 24/7 on-call rotation and critical network escalations.
• Perform network maintenance, including security configurations, patches, and upgrades.
• Conduct risk assessments and vulnerability reviews on network infrastructure.
• Monitor and analyze network performance, recommending improvements.
• Collaborate with cross-functional teams to ensure seamless service delivery.
• Serve as the primary technical escalation point for complex network issues.
• Provide detailed reports and presentations on network status and performance.

• Bachelor's degree in Cybersecurity, Computer Science, or related field.
• 2+ years of experience in information security or cybersecurity.
• Expert knowledge of security technologies (firewalls, EDR, SIEM, IAM, encryption).
• Strong understanding of common attack vectors and defense strategies.
• Professional certifications preferred (CISSP, CEH, Security+, GIAC certifications).
• Experience with cloud security (AWS, Azure, GCP) and container security.
• Proficiency in security scripting and automation (Python, PowerShell, Bash).
• Hands-on experience with vulnerability assessment tools and techniques.
• Strong incident response and threat hunting skills.
• Excellent analytical and problem-solving abilities.
• Strong communication skills and ability to explain security concepts to non-technical stakeholders.
• Experience with compliance frameworks and security standards.