Control Systems IT Engineer

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
Aberdeen
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£75,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Control Systems OT Security Network Security SIEM/SOAR Vulnerability Management Incident Response IEC/ISA 62443 Active Directory

FULL DESCRIPTION

Control Systems IT Engineer

Aberdeen, United Kingdom | Permanent | £75,000 Per Year

Job Details

The CS-IT is a cyber specialist responsible for protecting, monitoring, and improving cybersecurity in Operational Technology (OT) environments. Reporting to the CISO function, the CS-IT strengthens the security and resilience of OT from within the Information Security function. The role partners with Operations, Engineering, and vendors to protect industrial systems without owning or modifying control logic or instrumentation. The focus is on network security, monitoring, vulnerability management, incident response, and governance for IT assets residing on OT networks.

Key Tasks / Responsibilities

  • Design secure OT network architectures
  • Develop OT baselines and hardening standards
  • Review OT project designs for cybersecurity requirements
  • Build in segmentation
  • Implement and manage OT security controls
  • Manage OT firewalls, IDS/IPS, deploy and manage monitoring tools, MFA, Access Control, Vulnerability management
  • Embed cybersecurity into OT project delivery - controls, design, regulatory standards
  • Govern third-party/vendor OT access
  • Key participant in risk assessments
  • Maintain OT asset inventories - discover, log and maintain devices; maintain knowledge of vulnerabilities, patching & AV status, OS information
  • Support OT incident response alongside partners - application & infrastructure support, SOC
  • Support compliance with standards - IEC/ISA 62443, NIST 800-82, ISO 27001
  • Deliver OT security training - champion OT Security, build & present material to raise awareness

Skills, Experience & Attributes

  • Bachelor’s in CS, InfoSec, Engineering, or equivalent experience
  • 5+ years cybersecurity experience
  • Experience with industrial protocols and OT networking
  • Network security experience e.g. firewalls, VPN, VLANs
  • Can demonstrate OT experience in live operational environments
  • Experience integrating OT data into SIEM/SOAR
  • Risk-based decision-making
  • Strong cross-functional communication and stakeholder management
  • Incident handling in OT environments
  • Project execution and documentation
  • Willingness to work offshore c.90 days per year (not fixed rotation)
  • Microsoft Active Directory and Domain structures
  • Advantageous: Certifications GICSP, CISSP, or equivalent; existing certification for working offshore; experience with OT and major DCS/SCADA systems e.g. Honeywell, Yokogawa, Kongsberg; understanding of regulatory frameworks e.g. NIS2, Cyber Resilience Act; 2+ years OT/ICS cybersecurity experience; ICS/OT knowledge e.g. PLCs, SCADA, DCS, HMIs
Sign up free — access 45,000+ UK sponsor-licensed jobs