Senior Network Architect & Assurance Lead

Government Technology Agency (GovTech); Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

GovTech Singapore is seeking a Senior/Executive Engineer (Infrastructure - Network Engineer) to design, implement and support the network behind Singapore’s AFC system. You’ll work across on‑prem, data centre and cloud, ensuring secure, reliable rail and bus ticketing networks with a strong emphasis on resilience and uptime.

The role covers hands-on installation, configurations, security controls, and collaboration with project teams, cybersecurity specialists and vendors.

Qualifications

• Engineering, Computer Science, Information Systems or related field.
• At least 3 years designing and implementing IT/OT networks.
• CCNA certification preferred.
• Strong knowledge of TCP/IP, HTTP/S, FTPS, SFTP and OSI model.
• Experience with security controls and policy compliance.
• Ability to work independently and in teams; DevSecOps exposure a plus.

Responsibilities

• Design secure, resilient AFC networks across on‑prem, data centre and cloud.
• Prepare IP plans, security controls, configurations and rollout plans.
• Install, configure and commission network equipment and servers.
• Plan upgrades, migrations and technology refreshes with minimal disruption.
• Monitor health, troubleshoot incidents and implement fixes.
• Maintain security, access controls, backups and disaster recovery drills.
• Keep accurate network diagrams and SOPs; collaborate with teams and vendors.
• Look for automation to standardise configurations and improve reliability.

Skills

Engineering mindset

IT/OT networks

CCNA (preferred)

TCP/IP, HTTP/S, FTPS, SFTP

Security/compliance

DevSecOps / CI/CD

Education

Engineering/CS/IS degree

Tools

AWS

Azure

Job description

GovTech Singapore is seeking a Senior/Executive Engineer (Infrastructure - Network Engineer) to design, implement and support the network behind Singapore’s AFC system. You’ll work across on‑prem, data centre and cloud, ensuring secure, reliable rail and bus ticketing networks with a strong emphasis on resilience and uptime.

The role covers hands-on installation, configurations, security controls, and collaboration with project teams, cybersecurity specialists and vendors.