OT Penetration Tester

  • ANSON MCCADE
  • 01/08/2026
Full time Information Technology Telecommunications Testing Cyber Security

Job Description

Job Role:OT Penetration Tester

Location: UK Wide (Hybrid Working & Client Travel)

Salary: Competitive + Bonus + Excellent Benefits Package

The Opportunity

Join a leading technology and innovation consultancy helping clients solve some of their most complex cyber security challenges. As an IT/OT Penetration Tester, you'll work across a diverse range of industries and technologies, delivering high-quality security assessments that help organisations strengthen their security posture and mitigate emerging threats.

This is an exciting opportunity to work alongside a highly skilled and collaborative cyber security team, with access to a wide variety of projects, continuous learning opportunities and a clearly defined technical career path.

What We Can Offer You as an OT Penetration Tester
  • Work on a broad range of security testing engagements across multiple sectors
  • Clear technical career progression without moving into management
  • Dedicated training budget and certification support
  • Opportunity to contribute to CREST-accredited ethical hacking training
  • Hybrid working model with flexibility around client and office requirements
  • Collaborative and highly regarded cyber security community
  • Private healthcare for you and your family
  • Annual performance bonus
  • Share ownership opportunities
  • Generous pension scheme
  • 25 days annual leave, plus the option to purchase additional days
  • Access to wellbeing, lifestyle and financial benefits
Key Responsibilities of an OT Penetration Tester
  • Deliver high-quality penetration testing engagements across IT and OT environments
  • Identify vulnerabilities and provide practical remediation recommendations
  • Produce detailed technical and executive-level reports
  • Support clients in understanding and mitigating cyber security risks
  • Contribute to internal tooling, methodologies and security research
  • Share knowledge and mentor colleagues across the wider security team
  • Provide technical expertise across multidisciplinary client engagements
  • Support the planning and delivery of complex security assessments
What We're Looking For in an OT Penetration Tester
  • CTM/CSTM, CTL/CSTL, OSCP, CREST, Cyber Scheme or equivalent certifications
  • Proven penetration testing experience across enterprise environments
  • Specialist expertise in areas such as Operational Technology, Cloud Security, Mobile Security or industry-specific environments
  • Strong report writing and communication skills
  • Ability to explain technical findings to both technical and non-technical stakeholders
  • Strong analytical and problem-solving abilities
  • A collaborative approach and passion for continuous learning
  • Desire to contribute to team development, training and capability growth
Apply for this OT Penetration Tester Opportunity

If you're passionate about cyber security, enjoy solving complex technical challenges and want to work with a highly respected consulting team on varied and impactful projects, we'd love to hear from you.


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