Security Testing Consultant

3 Days Old

Security Testing Consultant
£Up to £65,000 GBP
Hybrid WORKING
Location: Gloucester; Manchester; Guildford; London; Chelmsford, Bristol, South West - United Kingdom Type: Permanent

Security Testing Consultant (SC)
Location: Remote-first (UK-wide) with occasional office visits
Offices: London, Gloucester, Guildford, Manchester, Leeds, Frimley
Travel: Up to 25% international travel
Security Clearance: Must be eligible for SC clearance

Join an award-winning organisation recognised for excellence in cyber security delivery, employee wellbeing, and inclusive workplace culture. Our client is widely respected for operating at the forefront of National Security, Defence, and Critical Infrastructure programmes - delivering trusted cyber services in the most demanding and sensitive environments.

With a strong reputation for technical depth, ethical security testing, and investment in people, our client offers an outstanding opportunity for an experienced Security Testing Consultant (SC) to work on complex, high-impact engagements while continuing to grow as part of a highly regarded cyber community.

The Role - Security Testing Consultant (SC)
As a Security Testing Consultant (SC) , you will deliver end-to-end security testing engagements for a wide range of secure clients. The Security Testing Consultant (SC) will conduct hands-on testing across applications, infrastructure, and emerging technologies, while producing high-quality reporting for both technical and non-technical stakeholders.

You will be part of a global Cyber Technical Services team, collaborating closely with Threat Intelligence and Incident Response specialists across National Security and Defence programmes.

What You'll Be Doing as a Security Testing Consultant (SC) Deliver end-to-end security testing engagements, including scoping and client wash-up sessions
Perform web, mobile, application, infrastructure, objective-based, and intelligence-led testing
Produce clear, detailed reports and presentations for technical and non-technical audiences
Use security testing tools safely and responsibly, ensuring risk controls are always in place
Develop and improve scripts, tools, and techniques to enhance testing capability
Share knowledge and collaborate with colleagues across cyber, threat intelligence, and incident response teams
Support testing across National Security, Defence, and Critical Infrastructure environments
Essential Skills & Experience Proven experience working as a Security Testing Consultant (SC) or penetration tester
Strong practical knowledge of security testing tools, techniques, and methodologies
Ability to understand client risk, testing objectives, and stakeholder needs
Self-starter with the ability to identify issues early and drive solutions independently
Experience working to tight deadlines and managing multiple priorities
Technical interest or experience in areas such as adversary emulation, vulnerability research, reverse engineering, or emerging technologies
Willingness to travel within the UK and internationally
Current CHECK Team Member or equivalent certification (e.g. OSCP ), or able to reach this level within 3 months
Desirable Skills Scripting or development experience (Python, C/C++, ASM, or similar)
Background in application, OS, database, or security operations
Experience delivering testing within Government, Telecommunications, Energy, or Financial Services sectors
Exploit development or advanced vulnerability research experience
Security Clearance SC clearance is required for this role
Candidates must be eligible to obtain SC, including meeting UK residency and nationality requirements
Some roles may be restricted to sole UK nationals
Why Join as a Security Testing Consultant (SC)? Work on high-impact National Security and Defence engagements
Join a recognised, award-winning cyber security organisation
Remote-first role with flexible working and international exposure
Be part of a respected global cyber community
Access ongoing training, certification support, and career progression
Competitive benefits package including pension, wellbeing, and lifestyle benefits
Reference: AON/BsecuritytestingconsultAntE

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Location:
Chelmsford
Salary:
£65,000
Job Type:
FullTime
Category:
Security;IT;Security;IT

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