Senior Network Architect – Secure, AI-Driven Defence Networks

St Engineering; Singapore; On-site; SGD 70,000 - 95,000; Full time

Job summary

ST Engineering, a global technology and engineering group, is seeking a Network Architect for the Advanced Networks & Sensors team in Jurong East, Singapore. You will design, configure, and validate complex network solutions for mission-critical programmes across defence, government, and commercial sectors.

You will lead multi-site network integration, document designs, and support testing and acceptance activities in collaboration with cross-functional teams.

Qualifications

• Knowledge in Computer Engineering, Electrical Engineering, Information Technology, or related discipline.
• Experience in defence, maritime, government, or mission-critical communication systems.
• Familiarity with multi-site network integration and acceptance testing activities.
• Experience working with cross-functional engineering and project teams.
• Hands-on experience in network design, configuration, and troubleshooting.
• Knowledge of Layer 2/Layer 3 networking, routing protocols, switching technologies, firewalls, and network security.
• Experience supporting integration, testing, and acceptance activities in complex programme environments.
• CCNA certification preferred; higher-level networking certifications will be advantageous.
• Strong analytical, troubleshooting, communication, and documentation skills.
• Singaporean only

Responsibilities

• Develop and maintain network architecture designs and technical solutions for programme requirements.
• Review and recommend network topologies, routing, switching, and security configurations.
• Produce and maintain network design documentation, interface specifications, and implementation plans.
• Support network troubleshooting, optimization, and lifecycle management activities.
• Configure, deploy, and maintain network equipment, including routers, switches, firewalls, and related infrastructure.
• Perform network integration, validation, and configuration management.
• Support issue investigation, root cause analysis, and corrective actions during implementation and testing.
• Support programme activities including CDRs, IRs, LRs, PMRs, PIT, SBIT, site integration, HAT/SAT/OSAT testing.
• Develop and execute network test procedures and verification activities.
• Support system verification, validation, and acceptance activities.
• Document test results, deficiencies, and resolution actions.
• Work closely with project teams, vendors, customers, and stakeholders during test and acceptance phases.
• Prepare and maintain technical reports, network diagrams, configuration records, and engineering documentation.
• Provide regular progress updates and technical inputs for programme reviews and project meetings.
• Ensure compliance with engineering standards, cybersecurity requirements, and project processes.

Skills

Network design

Network configuration

Troubleshooting

CCNA

Education

Degree in Computer/ Electrical Engineering or IT

Job description

ST Engineering, a global technology and engineering group, is seeking a Network Architect for the Advanced Networks & Sensors team in Jurong East, Singapore. You will design, configure, and validate complex network solutions for mission-critical programmes across defence, government, and commercial sectors.

You will lead multi-site network integration, document designs, and support testing and acceptance activities in collaboration with cross-functional teams.