OT Penetration Tester

Salary: £100,000 - 100,000 per year

Requirements

• We hold CTM/CSTM, CTL/CSTL, OSCP, CREST, Cyber Scheme or equivalent certifications.
• We have proven penetration testing experience across enterprise environments.
• We have specialist expertise in Operational Technology, Cloud Security, Mobile Security, or industry-specific environments.
• We have strong report writing and communication skills.
• We can explain technical findings to both technical and non-technical stakeholders.
• We have strong analytical and problem-solving abilities.
• We take a collaborative approach and value continuous learning.
• We want to contribute to team development, training, and capability growth.

Responsibilities

• We deliver high-quality penetration testing engagements across IT and OT environments.
• We identify vulnerabilities and provide practical remediation recommendations.
• We produce detailed technical and executive-level reports.
• We support clients in understanding and mitigating cyber security risks.
• We contribute to internal tooling, methodologies, and security research.
• We share knowledge and mentor colleagues across the wider security team.
• We provide technical expertise across multidisciplinary client engagements.
• We support the planning and delivery of complex security assessments.

Technologies

• Cloud
• Support
• Mobile
• Security

More

We are a leading technology and innovation consultancy helping clients solve complex cyber security challenges across a diverse range of industries and technologies. This is a hybrid role based UK-wide with client travel, offering a broad range of security testing engagements, a clearly defined technical career path, dedicated training budget and certification support, and the opportunity to contribute to CREST-accredited ethical hacking training. We also offer a collaborative cyber security community, private healthcare for you and your family, annual performance bonus, share ownership opportunities, a generous pension scheme, 25 days annual leave with the option to buy more, and access to wellbeing, lifestyle, and financial benefits.

last updated 31 week of 2026