Railway IT Systems & Infrastructure Engineer

Mitsubishi Heavy Industries; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Mitsubishi Heavy Industries seeks a skilled Railway IT Infrastructure Engineer to oversee design, installation, integration and testing of railway IT systems. You will supervise Integrators and subcontractors, ensure cyber and safety compliance, coordinate with LTA/SBST and internal teams, and guide system handover.

Strong networking, security, and project delivery skills are essential. The role emphasizes turf of Edge PCs, data diodes, firewalls, 5G routers, and adherence to railway standards

Qualifications

• Bachelor’s Degree in Information Technology.
• Minimum 3 years of experience in system integration, industrial networking, or IT project engineering.
• Experience in railway systems, including rolling stock, signalling, or depot environments, is a major advantage.
• Experience in AGT/LRT projects will be an added advantage.
• Strong understanding of industrial networks, firewall configurations, VPN tunnels (SFTP/SSH), VLANs, and cellular technologies (5G SA/Private APN).
• Familiarity with IEC 62443 or cybersecurity TVRA methodologies is highly desirable.
• Familiarity with industrial fanless PCs, PLC communications over Ethernet networks, hardware data diodes, and wireless sensor technologies such as BLE, Zigbee and LoRa.
• Strong vendor management skills, meticulous attention to documentation, and the confidence to identify and reject non‑compliant subcontractor work.
• Ability to work effectively as part of a team, with the technical knowledge and motivation required for material control.
• Proven ability to deliver results and achieve time-sensitive project objectives.

Responsibilities

• Oversee System Integrators and subcontractors in system design, configuration, installation and integration.
• Review technical deliverables, including network architecture, capacity calculations and equipment layout drawings.
• Supervise site installations to ensure compliance with approved designs, wiring diagrams and railway safety requirements.
• Monitor vendor performance and ensure adherence to project specifications and technical requirements.
• Oversee deployment and integration of Edge PCs, data diodes, firewalls, VPN gateways, managed switches and industrial 5G routers.
• Verify onboard hardware and network infrastructure compliance with railway standards, including EN 50155, EN 45545-2 HL3 and EN 50121-3-2.
• Supervise OCC backend infrastructure setup, including centralised storage servers and high-availability configurations.
• Ensure compliance with relevant telecommunications and regulatory requirements.
• Coordinate integration of train equipment telemetry from PLCs and data collected through sensors.
• Oversee onboard wireless systems (BLE, Zigbee, LoRaWAN, Wi‑Fi) and data processing functions.
• Monitor network connectivity, system integration and data transmission reliability.
• Verify network security configurations, including data diodes and zero-inbound policies.
• Coordinate TVRA activities to support IEC 62443 compliance.
• Verify data buffering, store-and-forward mechanisms and recovery procedures.
• Review firewall, VPN and network security configurations for system integrity.
• Lead and witness ATPs and test plans; coordinate troubleshooting and retesting.
• Verify USB data transfer procedures and encrypted log handling; support handover to customers.
• Provide technical updates and documentation to support project progress.

Skills

Industrial networking

Network security

VLANs

VPN tunnels

5G/Private APN

Troubleshooting

Documentation

Vendor management

Teamwork

Project delivery

Education

Bachelor’s Degree in Information Technology

Tools

Edge PCs

Firewalls

PLC communications

Wi‑Fi/BLE/Zigbee/LoRaWAN

Job description

Mitsubishi Heavy Industries seeks a skilled Railway IT Infrastructure Engineer to oversee design, installation, integration and testing of railway IT systems. You will supervise Integrators and subcontractors, ensure cyber and safety compliance, coordinate with LTA/SBST and internal teams, and guide system handover.

Strong networking, security, and project delivery skills are essential. The role emphasizes turf of Edge PCs, data diodes, firewalls, 5G routers, and adherence to railway standards