Operational Technology (OT) Cyber Security Engineer Jobs

Risktec Solutions

Location:
United Kingdom, Stockton-on-Tees

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

The OT Cyber Security Engineer will contribute to the delivery of high-quality technical consultancy services within high-hazard industries, including oil and gas, power, water, chemical, and pharmaceutical sectors. Reporting to the OT Cyber Security Team Lead, this role focuses on supporting risk assessments, asset inventories, physical and standards-based site audits, and the creation or review of network diagrams under the guidance of senior team members. The Engineer will also assist in developing and reviewing OT Cyber Security Management Systems (CSMS) and producing accurate, professional technical reports. This position provides an excellent opportunity to build foundational knowledge and technical capabilities in OT cybersecurity, including frameworks such as IEC 62443, CAF, OG86, and NIS.

Job Responsibility:

Support risk assessments and create asset inventories for OT systems across client sites under supervision
Perform physical and standards-compliant site audits as directed by senior consultants or team leads
Assist in the creation, documentation, review, and validation of network diagrams and OT systems architecture
Support the review, development, and implementation of OT Cyber Security Management Systems (CSMS) in alignment with established frameworks and international standards
Collaborate with the OT Cyber Security team and other departments to deliver projects successfully, ensuring high-quality outputs
Prepare and deliver accurate and professional technical reports and documentation that meet client expectations and regulatory compliance
Stay informed of industry trends and emerging OT cybersecurity challenges, applying foundational knowledge to support team-directed initiatives
Interaction with customers to ensure TUV deliver a solution on time and to high quality

Requirements:

A relevant technical degree or equivalent industry experience in OT cybersecurity is desirable
Good working understanding of industrial control systems (DCS, SCADA, PLCs, etc.)
Prior experience in technical delivery roles, including hands-on involvement in a project delivery or client-facing setting, is desirable but not essential
Evidence of delivering high-quality technical work under supervision
Foundational knowledge of OT cybersecurity practices, frameworks, and regulations, such as IEC 62443, CAF, OG86, and NIS
Awareness of OT cybersecurity techniques and tools for compliance with national/international standards, contributing to effective technical solutions
Developing competency in performing assignments in areas such as: Supporting risk assessments and vulnerability analysis of OT environments
Assisting in asset inventory preparation and management for industrial control systems (ICS)
Conducting physical and standards-based site audits, aligned with international standards
Contributing to network diagram creation to improve system visibility and security
Supporting the development and implementation of OT Cyber Security Management Systems (CSMS)
Understanding incident response plans and frameworks for OT cybersecurity
Proficiency in Microsoft Office Suite and other relevant software tools for technical documentation, reporting
Bachelor’s or Master’s degree a relevant technical subject
OT cyber security certifications (e.g. IEC 62443 Fundamentals, TUV 263)

What we offer:

comprehensive training
flexible working
a great pay and benefits package

Additional Information:

Job Posted:
December 11, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Operational Technology (OT) Cyber Security Engineer