Overview
An SC cleared Operational Technology (OT) Security Specialist is required for an initial 6‑month outer‑IR35 contract. The client’s site is Abingdon. This hybrid role pays £450 per day outside IR35 for 4 days working remotely and 1 day on site, or £500 per day outside IR35 for 4.5 days on site and 0.5 day remotely.
Key Responsibilities
* Lead the design and delivery of the OT Security Strategy, policies, and standards.
* Define governance processes for OT security, ensuring alignment with enterprise security frameworks.
* Conduct OT risk assessments and gap analyses against recognised standards (IEC 62443, NIST CSF, CAF).
* Identify, prioritise, and oversee the implementation of security controls across OT systems and networks.
* Provide technical oversight and assurance when engaging with MSPs and third‑party vendors.
* Collaborate with enterprise security teams to align OT security with broader cyber programmes.
* Support OT incident response activities, including escalation paths to SOC teams where relevant.
* Mentor and support junior team members in OT security concepts and practices.
* Track and report on OT security maturity progress against roadmap milestones.
Key Skills and Experience
* Demonstrable experience in maturing OT security within ICS or critical infrastructure environments.
* Proven ability to create and 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 oversight for MSPs or third‑party security service providers.
* Strong communication and documentation skills, particularly in policy/standards creation.
Desirable Experience
* Familiarity with SIEM/SOC integration for OT environments.
* Experience with OT asset discovery, monitoring, and security tool deployment.
* Exposure to regulatory compliance in critical infrastructure (e.g., NIS Directive, UK CAF).
* May be requested to represent the Group in OT security working groups, act as an SME in OT‑related projects, and contribute to the development of internal security capability through training and mentoring.
Additional Information
Due to the nature and urgency of this post, candidates holding or who have held high‑level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment, which can take up to a minimum of 10 weeks.
LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending on the precise nature of the work, for security cleared jobs or non‑clearance vacancies. LA International welcomes applications from all sections of the community and from people with diverse experience and backgrounds.
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