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Posted 02 August, 2026

OT Penetration Tester

Anson Mccade
Northampton, ENG, GB Full Time

Job Description

Job Role:OT Penetration Tester

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Location: UK Wide (Hybrid Working & Client Travel)

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Salary: Competitive + Bonus + Excellent Benefits Package

The Opportunity\n

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.

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

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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