Role: OT Cyber Security Analyst REF 101656
Contract Length: Until 18/12/2026
Location: Culham, 2 days/week on site
IR35: Inside
Pay Rate to Intermediary: £50 per hour
Security Clearance: SC Requested
RESPONSIBILITIES
The OT Cyber Security Analyst is responsible for the implementation, operation, and continuous improvement of OT security controls and monitoring capabilities across client environments. The role delivers hands‑on security engineering and operational support, ensuring OT systems are protected in line with defined strategy, standards, and risk priorities. This includes implementing an OT Security Strategy, contributing to the development of policies and standards, and applying appropriate security controls across OT environments.
You will provide technical and governance compliance of OT security, ensuring alignment with industry frameworks (IEC 62443, NIST CSF, CAF, ISO 27001) and with enterprise cyber security objectives.
The role will combine hands‑on implementation and the creation of governance artefacts. You will also engage with engineering teams and managed service providers (MSPs) to ensure that OT security controls are effectively implemented and sustained. Experience with SIEM/SOC integration is valuable and considered desirable.
QUALIFICATIONS & EXPERIENCE
* Experience in the oil/gas/rail/chemical process industry
* Familiarity with SIEM/SOC integration for OT environments
* Demonstrable experience in maturing OT security within industrial control system (ICS) or critical infrastructure environments
* Proven ability to implement OT security strategies, policies, and standards
* Strong knowledge of OT security frameworks and standards (IEC 62443, NIST CSF, CAF, ISO 27001)
* Experience conducting OT security risk assessments, gap analysis, and remediation planning
* Knowledge of OT networks, segmentation, and common industrial protocols
* Experience working with operations and engineering teams in OT environments
* Ability to provide technical recommendations to MSPs or third‑party security service providers
* Strong communication and documentation skills, particularly in policy/standards creation
* Maximum notice period of 2 weeks
We welcome all applications regardless of background, in line with our commitment to diversity, equality and inclusion.
Applying to this or any other vacancy advertised by Spinwell Ltd constitutes an agreement for Spinwell Ltd to hold your details for 24 months for the purpose of assessing suitability for the advertised position and to make you aware of any other positions deemed suitable. You may request your details be removed from the company data at any time by emailing us.
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