Rail Systems Integration Engineer / Vendor & Technical Project Coordination

Recruit Express Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Recruit Express Pte Ltd is seeking a Subcontractor & Vendor Work Supervisor for rail technology projects in Singapore. The role oversees the SI's design, configuration, and integration workflows, reviews engineering deliverables, and ensures hardware deployments meet safety clearances and standards.

You will supervise Edge PCs, 5G industrial routers, firewalls, VPNs, and data diodes, while coordinating with LTA/SBST and design teams.

Qualifications

• Experience supervising system integrators on complex rail IT/OT projects.
• Familiarity with standards such as EN 50155 and EN 45545-2 HL3.
• Ability to review technical deliverables and ensure compliance.

Responsibilities

• Act as technical owner overseeing SI design, configuration, and integration workflows.
• Review and approve SI engineering deliverables including network architecture and CAD layouts.
• Supervise hardware deployments to meet guidelines and safety clearances.
• Audit onboard hardware compliance with rolling stock standards and regulatory rules.
• Oversee deployment of Edge PCs, Diodes, Firewalls/VPN, Switches, and 5G routers.
• Lead and witness Acceptance Test Procedures and develop test plans.
• Coordinate with Design Engineers, Project Manager, and external stakeholders.

Skills

Technical ownership

Project supervision

Stakeholder management

Network & security governance

Testing & commissioning

Vendor coordination

Tools

CAD layouts

Firewalls/VPN

Edge PCs

5G routers

Job description

Mon - Fri, office hour. 830am to 530pm. No oncall, no shift.

Subcontractor & Vendor Work Supervision

• Act as MHI's primary technical owner overseeing the System Integrator's (SI) turnkey design, configuration, and integration workflows.
• Review and approve all SI engineering deliverables, including logical/physical network architecture, capacity calculations, and CAD layouts.
• Supervise physical installations to ensure wiring schematics and mounting designs match approved guidelines without encroaching on train safety clearances (physical) and EMF interferences.

Hardware & Infrastructure Compliance Assurance

• Audit and enforce onboard hardware compliance with rolling stock standards (EN 50155, EN 45545-2 HL3, EN 50121-3-2) and IMDA/Telco 5G SA rules.
• Oversee deployment of Edge PCs, Data Diodes, Firewalls/ VPN, Managed Switches, and 5G Industrial Routers (Dual SIM, Private APN etc).
• Supervise OCC backend setup, validating the High-Availability Centralised Storage Server (CSS) and Firewall/VPN gateways.

Data Acquisition & Network Integration

• Manage configuration and stability of onboard wireless links (BLE/Zigbee/LoRaWAN/Wi-Fi) governed by the SI's RF Coexistence Study.
• Direct the integration of raw MVCS PLC telemetry and wired/wireless sensors.
• Verify edge processing behaviors, specifically Edge FFT filtering and automated Train ID/Timestamp data directory sorting.

Cybersecurity & Network Resilience Governance

• Strictly enforce the Zero-Inbound Policy by auditing the physical and logical configuration of the Unidirectional Hardware Data Diode.
• Witness and drive the 4-step Threat, Vulnerability & Risk Assessment (TVRA) to compliance with IEC 62443 and LTA guidelines.
• Validate store-and-forward mechanics and local buffering (min. 3-day on diode; 7-day on IoT) to secure Zero Data Loss during 5G link restoration.

Testing, Commissioning, & Acceptance Validation

• Lead and witness the formal Acceptance Test Procedure (ATP)
• Develop and implement Test Plans and ensure vendor reports against strict KPIs
• Verify manual USB data transfer capabilities, ensuring encrypted standalone logs merge cleanly into the CSS with a complete audit trail.

Communication & Stakeholder Management

Internal Coordination

• Maintain proactive communication with the Design Engineers and Project Manager, and Project Team to provide real-time updates on allocated works.

External Liaison

• Act as a technical point of contact for external stakeholders, including LTA (Land Transport Authority) and SBST (SBS Transit), to facilitate joint inspections and system handovers.

Ad-hoc Project Support

Provide flexible support for miscellaneous technical tasks as directed by the Project or Commissioning Manager.

Interested candidates, please send in your resume to @recruitexpress.com.sg