Cyber Security & ICSS Commissioning Supervisor - Islandwide, SG

Roles & Responsibilities

Responsibilities

• Developed and executed Functional Safety Management Plan (FSMP) and OT Cybersecurity Management Plan (CSMP) in compliance with IEC 61511 and IEC 62443, covering all project phases from FEED to commissioning.
• Led HAZOP, LOPA, SIL determination, and SIL verification activities; coordinated Functional Safety Assessments (FSA) Stages 1-3 with third-party consultants, ensuring timely closure of findings.
• Defined and reviewed Safety Instrumented System (SIS) design deliverables, including FDS, GA / wiring diagrams, SIL achieved reports, and facility-wide Cause & Effect (C&E) charts.
• Conducted system architecture reviews of ICSS, PSD, ESD, and F&G systems, identifying SUCs and preparing zone and conduit diagrams with clear cybersecurity boundaries.
• Authored and enforced Cybersecurity Requirement Specifications (CRS), incorporating mandatory security countermeasures derived from detailed risk and threat assessments.
• Reviewed and validated vendor Cybersecurity Functional Design Specifications (FDS), including firewall rules, IP addressing schemes, access controls, and hardening measures.
• Witnessed and validated cybersecurity FATs, covering vulnerability assessments, network segmentation, firewall ACLs, remote access, patch management, and backup / restore testing.
• Supported SIS FAT / SAT and commissioning, ensuring conformance of Safety Instrumented Functions (SIFs) to SRS, datasheets, and safety lifecycle requirements.
• Managed ICSS deliverables : architecture design, shutdown hierarchy, control narratives, alarm rationalization, and ergonomic studies, ensuring robust integration of topside and marine packages.
• Provided authoritative guidance as a certified IEC 62443 Cybersecurity Expert and TÜV Rheinland Functional Safety Engineer, bridging the gap between cybersecurity and functional safety domains.
• Collaborated closely with EPCs, operators, and vendors, ensuring all functional safety and cybersecurity deliverables meet project, regulatory, and industry standards.

Requirements

Tell employers what skills you have

Instrument Control

HAZOP

oil and gas

Segmentation

EPC

Site and Factory Acceptance Testing Management

ACLS

Functional Design

Access Control

FPSO

Network Architecture

Functional Safety

IP

Team Management

Architecture Design

Cyber Security Management

Instrumentation

FEED

System Architecture

Commissioning