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Network Infrastructure & Security Engineer, A*STAR BII
Job Description
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Job Title: Network Infrastructure & Security Engineer, A*STAR BII
Requisition ID: 1558
Posting Start Date: 11/04/2026
Job Summary
The Network Infrastructure & Security Engineer will be responsible for the design, deployment, operation, and optimization of our network infrastructure, including routers, switches and firewalls. This includes supporting external vendors to deploy network assets and taking over control and maintenance from vendors from day 2 onwards. The role shall also be responsible for developing, implementing and maintaining cybersecurity policies and controls to protect systems and data from evolving threats. A strong understanding of networking principles, cybersecurity frameworks, and a passion for staying ahead of emerging threats are essential.
Solution Sourcing and Strategy
- Research, evaluate, and recommend new cybersecurity and network solutions to enhance our security posture and network capabilities.
- Conduct market analysis to identify emerging technologies, vendors, and best practices relevant to our infrastructure and security needs.
- Develop business cases and justifications for new solution procurements.
Vendor Management & Solution Deployment Oversight
- Manage and coordinate with external vendors throughout the lifecycle of solution deployment, from selection to post implementation review.
- Review and validate vendor provided designs, configurations, and implementation plans to ensure alignment with organizational security policies and network architecture standards.
- Oversee the successful integration of new solutions into the existing infrastructure.
Post Deployment Maintenance & Operations
- Perform ongoing maintenance, configuration, and optimization of network devices (routers, switches, firewalls, load balancers) and security systems (IDS/IPS, SIEM, EDR, antimalware, vulnerability scanners).
- Monitor network and system activity for suspicious behavior, security incidents, and unauthorized access, taking prompt action as needed.
- Conduct regular vulnerability assessments, penetration testing, and security audits to identify and address weaknesses post deployment.
- Develop and implement incident response plans, leading efforts to contain, eradicate, and recover from cyberattacks.
- Manage and maintain identity and access management (IAM) solutions.
Security Policy and Compliance
- Develop, implement, and enforce cybersecurity policies, standards, and procedures.
- Ensure compliance with relevant industry regulations and frameworks (e.g., GDPR, HIPAA, ISO 27001).
- Conduct regular security awareness training for employees.
Troubleshooting and Documentation
- Diagnose and resolve complex network and security issues efficiently.
- Perform regular system updates, patching, and configuration management for network and security devices.
- Maintain detailed documentation of network configurations, security policies, and incident response procedures.
Collaboration and Continuous Improvement
- Collaborate with IT teams, developers, and other stakeholders to integrate security into all aspects of the infrastructure and software development lifecycle.
- Stay up to date with the latest cybersecurity threats, technologies, and best practices.
Job Requirements:
- Bachelor degree in Computer Science, Information Technology, Cybersecurity, Network Engineering, or a related field.
- Proven experience (3 to 5 years) in a cybersecurity and/or network engineering role, with a strong emphasis on solution sourcing, vendor management, and post deployment operational maintenance.
- Hands-on network administration experience is required, including configuration, maintenance, and troubleshooting of enterprise routers and switches
- Hands on experience with network devices (e.g., Cisco, Juniper, Fortinet, Palo Alto) and various security tools.
- Strong understanding of TCP/IP, routing protocols (BGP, ISIS, OSPF), VLANs, VPNs, and wireless technologies.
- Proficiency in configuring and managing firewalls, IDS/IPS, and other security appliances.
- Knowledge of common attack vectors, security vulnerabilities, and defensive strategies.
- Familiarity with scripting languages (e.g., Python, PowerShell) for automation and security tasks.
- Experience with operating systems (Windows, Linux, UNIX).
- Understanding of cryptography and secure communication protocols.
- Excellent analytical and problem solving skills.
- Strong communication and interpersonal skills, with the ability to explain complex technical concepts to non technical stakeholders, and effectively liaise with and manage external vendors.
- Ability to work independently and as part of a team in a fast paced environment.
- Detail oriented and highly organized.
- Proactive and eager to learn new technologies.
Certifications (Highly Valued):
- CompTIA Security+
- CompTIA CySA+
- (ISC)² CISSP (Certified Information Systems Security Professional)
- Cisco CCNA, CCNP Security, or CCIE Security
- Certified Ethical Hacker (CEH)
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The above eligibility criteria are not exhaustive. A*STAR may include additional selection criteria based on its prevailing recruitment policies. These policies may be amended from time to time without notice. We regret that only shortlisted candidates will be notified.
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