Location: Central London, Greater London - United Kingdom Type: Permanent
IT/OT Penetration Tester
UK-wide | Hybrid working | Salary up to £105,000
A leading global innovation and technology consultancy is looking for an experienced IT/OT Penetration Tester with expertise gained across energy, wind, nuclear, critical national infrastructure (CNI) or manufacturing environments.
This is an opportunity to assess complex IT and operational technology estates where safety, availability and operational resilience are critical. You'll help major organisations identify vulnerabilities, understand their exposure and secure essential systems.
The role
You will:
Plan and deliver penetration-testing engagements across IT and OT environments
Assess industrial control systems, operational networks and connected infrastructure
Conduct security testing across cloud, mobile, network, web application and API environments
Identify, validate and clearly communicate technical vulnerabilities
Produce high-quality technical and executive-level reports
Present findings and practical remediation recommendations directly to clients
Work across energy, wind, nuclear, CNI and manufacturing programmes
Support the development of internal tools, infrastructure and testing methodologies
Share knowledge through mentoring, training and collaborative problem-solving
Contribute to CREST-accredited ethical-hacking training
Help scope and deliver complex client engagements
What we're looking for
You will ideally have:
Penetration-testing experience within energy, renewable energy, wind, nuclear, CNI, utilities, industrial or manufacturing environments
A strong understanding of operational technology, industrial control systems and the risks associated with interconnected IT/OT estates
Experience working with industrial technologies and environments such as ICS, SCADA, DCS or PLC systems
CTM/CSTM or CTL/CSTL status, or an equivalent recognised qualification
Certifications such as OSCP, CREST or Cyber Scheme credentials
Strong practical penetration-testing and ethical-hacking experience
Specialist knowledge in one or more of the following:
OT and industrial control system security
Network and infrastructure security
Cloud security
Mobile application security
Web applications and APIs
Experience producing clear and professional security-assessment reports
The ability to explain technical risks to both engineering and business stakeholders
Strong analytical, problem-solving and client-facing skills
Working arrangements
This is a UK-wide opportunity offering hybrid working. You'll typically work from an office or client site for at least two days per week, although some assignments may require additional on-site attendance.
Salary and benefits
Salary up to £105,000, depending on experience
Annual performance-related bonus
Share-ownership opportunities
Private healthcare for you and your family
Generous company pension
25 days' annual leave, plus an additional half-day on Christmas Eve
Option to purchase five additional days of leave
Dedicated training and certification budget
Technical and leadership career-progression opportunities
Cycle-to-work and charitable-giving schemes
If you have IT/OT penetration-testing experience within energy, wind, nuclear, CNI or manufacturing, apply today or contact me directly for a confidential discussion.