OT Cyber Security Engineer (Outside IR35)

  • GCS Ltd
  • Mar 09, 2025
Contractor I.T. & Communications

Job Description

Senior OT Cyber Security Engineer Outside IR35 Energy Sector

Contract: Outside IR35
Location: West Midlands (Hybrid - Mostly Remote with On-Site Visits)
Industry: Renewable Energy (Offshore Wind, SCADA, OT Cyber Security)
Duration: 6-12 months (Potential Extensions)



About the Opportunity

Are you an experienced OT Cyber Security Engineer with a passion for renewable energy projects? We are working with one of the largest global energy providers to find a talented professional who will play a key role in delivering critical cybersecurity solutions across high-profile wind farm projects.



Key Responsibilities

  • Design & Implementation: Lead the design and deployment of robust OT cybersecurity solutions for offshore wind energy projects.
  • SCADA System Security: Manage SCADA-focused cybersecurity initiatives, primarily engineering deployments based in Stafford.
  • On-Site Deployment: Provide on-site support for key commissioning phases at energy sites
  • Redundancy & Hardening:
    • Implement redundant Active Directory configurations
    • Deploy auto-backup solutions
    • Conduct system hardening and application whitelisting
  • Service Validation: Support service agreements validation and coordinate service delivery across multiple European projects.


Key Skills & Experience

  • Extensive experience in OT Cybersecurity for critical infrastructure.
  • Expertise in SCADA systems and IEC 62443 standards.
  • Strong background in network hardening, whitelisting, and redundancy planning.
  • Familiarity with key industrial communication protocols, such as commonly used IEC standards, Modbus, and DNP3.
  • Proficient with leading firewall technologies and OT-focused security platforms for threat detection and response.
  • Experience with backup and recovery solutions tailored for OT environments.
  • Skilled in network monitoring and logging tools used for real-time OT system visibility.
  • Understanding of Distributed Control Systems (DCS) and related automation software (preferred).

Submit your CV today or reach out for a confidential discussion.

GCS is acting as an Employment Business in relation to this vacancy.