OT Cyber Security Analyst
| Job Type | Contract |
| Location | Oxfordshire/ Hybrid |
| Area | South East, UK |
| Sector | Defence & Nuclear |
| Salary | £50 Per Hour |
| Start Date | May 11th, 2026 |
| Advertiser | Priyanka Dubey |
| Job Ref | 7458-PSR1JP00101656 |
| IR35 | Inside |
| Security Clearance | SC |
- Description
- The Client:
A government department client is looking for an OT Cyber Security Analyst to join them on a 7 month contract. This position will be based in Oxfordshire/ Hybrid.
Job Summary:
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 apply 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.
Essential:
- Oil/gas/rail/chemical process industry.
- Familiarity with SIEM/SOC integration for OT environments.
- Demonstrable experience in maturing OT security within ICS or critical infrastructure environments.
- Proven ability 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 for MSPs or third-party security service providers.
- Strong communication and documentation skills, particularly in policy/standards creation.
- Maximum notice period of 2 weeks.
Desirable:
- Experience with OT asset discovery, monitoring, and security tool deployment.
- Exposure to regulatory compliance in critical infrastructure (e.g., NIS Directive, UK CAF).
- Knowledge of project and service delivery lifecycles and ITSM controls.
An active SC clearance is required for this role. At a minimum, candidates must be eligible and willing to undergo security clearance. Due to the short-term nature of the contract and the urgency of the requirement, the client may prioritise applicants who already hold active SC clearance and meet all essential criteria.
Our Company:
Malikshaw Interim & Executive is a specialist provider of talent management solutions helping our clients transform the delivery of our public services. As an Equal Opportunities Employer, we combine providing the best talent with delivering diverse, inclusive workforces and particularly encourage applications from candidates who are likely to be underrepresented. These include people from Black, Asian and minority ethnic backgrounds, disabled people, LGBTQI+ people, and women.
How to Apply:
Please apply through the link provided to send your application directly to the Recruiter managing this assignment.
If you qualify for any of the above, please notify us on your covering letter and your recruiter will confirm if the client is a member. We will then be in touch to discuss your suitability and arrange your Guaranteed Interview.
Should you require reasonable adjustments at any point during the recruitment process or if there is a more accessible way for us to communicate, please do let me know.
- Oil/gas/rail/chemical process industry.
