OT Engineer

Contract: OT Engineer
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Start: ASAP (on completion of background checks)

Duration: 6 Months

Rate: £500 - £550 outside of IR35

Location: UK remote - some international travel

Reference: 20923

The OT Security Engineer provides hands-on technical evidence and verification work that underpins the

architecture decisions during discovery, conducting detailed configuration and capability reviews at the comparator plant, regional hub, and shared IT/OT services.

Key Responsibilities

• Gather evidence for each in-scope OT security capability and control, populating and maintaining the evidence register with sources.
• Conduct configuration and capability reviews at the comparator plant, the regional proximity hub, and shared IT/OT services.
• Validate regional viability per capability and control, including in-country OEM and regulatory availability and
• cross-border data transfer position.
• Provide hands-on technical verification supporting the reuse, extend, and new status calls in the capability and control map.
• Feed findings into the regional constraints register and support gap identification where evidence cannot be closed remotely.

Essential

• Must have experience with OT remote access and Micro Segmentation
• Hands-on OT/ICS security engineering experience in industrial or critical infrastructure environments.
• Strong practical knowledge of NIST SP 800-82, the Purdue Model, and IEC 62443 in real OT environments.
• Experience conducting OT security assessments, configuration reviews, and capability gap analysis.
• Familiarity with OEM vendor tooling and regional and regulatory constraints affecting OT security
• Proven ability to document findings clearly - evidence registers, gap analysis, constraint registers.
• Comfortable working independently in complex, multi-vendor environments.

Desirable

• Experience in manufacturing, pharmaceutical, or life sciences OT environments.
• Familiarity with OT asset visibility tools - Claroty, Nozomi, Dragos or equivalent.
• ISA/IEC 62443 certification or equivalent. xehkeey

Networking People (UK) is acting as an Employment Business in relation to this vacancy.