The posting
Employment term: 2 years contract
Work Location: Sengkang Depot
Job Description & Requirements
The incumbent is responsible for overseeing the design, installation, integration, testing and commissioning of railway IT infrastructure and network systems. He/she will supervise System Integrators and subcontractors to ensure technical compliance, cybersecurity, network reliability and adherence to project specifications and applicable railway standards. The role also involves coordinating with internal engineering teams, project managers and external stakeholders, including LTA and SBST, to support successful project delivery and system handover.
Job responsibilities
Subcontractor & Vendor Supervision
- 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.
IT Infrastructure & Hardware Compliance
- Oversee the 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 applicable railway standards, including EN 50155, EN 45545-2 HL3 and EN 50121-3-2.
- Supervise Operations Control Centre (OCC) backend infrastructure setup, including centralised storage servers and high-availability configurations.
- Ensure compliance with relevant telecommunications and regulatory requirements.
Data Acquisition & Network Integration
- Coordinate the integration of train equipment telemetry from PLCs and data collected through wired and wireless sensors.
- Oversee onboard wireless communication systems, including BLE, Zigbee, LoRaWAN and Wi-Fi.
- Verify edge data processing functions, including FFT filtering and automated data organisation by Train ID and timestamp.
- Monitor network connectivity, system integration and data transmission reliability.
Cybersecurity & Network Resilience
- Verify network security configurations, including unidirectional hardware data diodes and zero-inbound security policies.
- Coordinate and review Threat, Vulnerability and Risk Assessment (TVRA) activities to support compliance with IEC 62443 and applicable LTA requirements.
- Verify data buffering, store-and-forward mechanisms and recovery procedures to minimise data loss during network interruptions.
- Review firewall, VPN and network security configurations to ensure system integrity and resilience.
Testing, Commissioning & System Acceptance
- Lead and witness Acceptance Test Procedures (ATP) to verify system functionality and compliance with project requirements.
- Develop test plans, review vendor test reports and validate system performance against defined technical specifications and key performance indicators.
- Coordinate troubleshooting, defect resolution and retesting activities.
- Verify manual USB data transfer procedures, encrypted log handling and data integration into centralised storage systems.
- Support system acceptance, documentation and handover to customers.
Communication & Stakeholder Management
- Coordinate with design engineers, project managers and project team members to provide updates on assigned work and resolve technical issues.
- Liaise with external stakeholders, including LTA, SBST, System Integrators and subcontractors.
- Coordinate joint inspections, technical discussions, project reviews and system handover activities.
- Provide technical updates and documentation to support project progress and decision-making.
Ad-hoc Project Support
- Provide technical and operational support for other project-related activities as assigned by the Project Manager or Commissioning Manager.
Job requirements
- 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 Threat, Vulnerability and Risk Assessment (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.
- Strong commitment to work and responsibilities.
- Ability to adapt flexibly to changing requirements and challenges, remain calm under pressure, and exercise sound judgment.
- Effective verbal and written communication skills to engage with multiple stakeholders, including superiors, colleagues, contracted staff and internal and external parties.
- Strong analytical, troubleshooting and problem-solving skills.
- Proficiency in Microsoft Office applications and Windows-based computer systems.
