Penetration Tester - OT

Akkodis; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A technology consulting firm is seeking a Penetration Tester based in London. In this role, you will conduct penetration tests, primarily focusing on OT/ICS systems. You will collaborate with clients, perform threat modeling, and document your findings to improve their security posture. The position is contract-based for 6-12 months with possible extensions.

Qualifications

• Experience with OT/ICS systems.
• Strong communication skills for client collaboration.

Responsibilities

• Conduct thorough penetration tests on client systems, applications, and networks.
• Perform threat modelling and adversarial simulations.
• Document and present findings in clear reports.

Job description

Position: Penetration Tester

Location: London (with potential travel to client sites)

Contract Role – [6–12 months, extendable]

A deliverables–focused role, working on defined OT penetration testing engagements.

What You'll Do:

• Conduct thorough penetration tests on client systems, applications, and networks – specifically OT/ICS systems – to identify security weaknesses.
• Perform threat modelling and adversarial simulations.
• Collaborate with clients to understand their security needs and provide tailored recommendations.
• Develop and execute test plans, ensuring all testing is carried out ethically and professionally.
• Document and present findings in clear, concise reports, highlighting vulnerabilities and their potential impacts.
• Advise on remediation steps aligned with OT security best practices and relevant standards (eg IEC 62443, NIS2, NERC CIP).

Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.