Security Testing Lead

Company IconIdentifi Global Resources Ltd
Location IconMilton Keynes

Cyber Security Testing LeadMilton Keynes, Hybrid (up to 2 days per week in the office)Permanent offering up to £70 000 + Bonus SchemeShape the Future of Security Testing!A...Read More>>.

Posted: September 5th, 2026
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Senior Hardware & Embedded Penetration Tester

Company IconNetSPI
Location Icon

A cybersecurity firm is seeking an experienced Senior Hardware/Embedded Penetration Tester to assess the security of hardware and embedded systems. This role requires strong skills in hardware penetration testing, reverse engineering, and collaborati...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester - Lead Security Assessments

Company IconFSP Consulting Services Limited
Location Icon

A leading cybersecurity consultancy in the UK is seeking a skilled Senior Penetration Tester to join their Cyber Security practice. The role involves leading penetration testing engagements, providing technical advice on security technologies, and co...Read More>>.

Posted: June 6th, 2026
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Penetration Tester - Grow in a Collaborative Security Team

Company IconUltima
Location IconReading

A leading technology provider in Reading is seeking a Penetration Tester to enhance its Security Testing Practice. The role involves delivering high-quality penetration testing engagements, supporting IT Health Checks, and collaborating with senior c...Read More>>.

Posted: June 6th, 2026
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Graduate Penetration Tester — Cybersecurity Analyst

Company IconPlatform Recruitment
Location IconLondon

An innovative cybersecurity firm is seeking a passionate graduate Penetration Tester to join their dynamic team. In this entry-level role, you will conduct vulnerability assessments and simulate cyberattacks to identify weaknesses in various systems....Read More>>.

Posted: June 6th, 2026
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Penetration Tester — Hybrid, UK Cyber Security Consultancy

Company Icon4Square Recruitment Ltd
Location IconManchester

A growing UK cyber security consultancy is seeking a skilled Penetration Tester to conduct security assessments across various technologies. Join a supportive team with opportunities for professional development and flexibility in a hybrid working en...Read More>>.

Posted: June 6th, 2026
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Senior Security Consultant (Hardware/Embedded Penetration Tester)

Company IconNetSPI
Location Icon

OverviewNetSPI is an award-winning pioneer of Penetration Testing as a Service (PTaaS) with its AI-powered platform supported by more than 350 in-house cybersecurity experts. Specializing in 50+ pentest types, attack surface visibility...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester (CHECK) — Flexible & Impactful

Company IconInstil
Location IconBelfast

A cybersecurity firm in Belfast is seeking a Senior Penetration Tester to deliver high-quality penetration testing across diverse client systems. The role requires at least 2 years of experience, proficiency in various testing methodologies, and curr...Read More>>.

Posted: June 6th, 2026
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Senior Security & Penetration Tester – London

Company IconCognizant
Location Icon

A leading IT services company is seeking a Security / Penetration Testing Engineer in London. The role includes gathering security requirements, conducting API and UI/Web application penetration testing, and ensuring compliance with industry standard...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester – Telecoms & Hardware Security

Company IconNational Physical Laboratory (NPL)
Location Icon

The National Physical Laboratory (NPL) is seeking a skilled Security Tester to join their team in Solihull. The role involves conducting security assessments, performing penetration testing, and investigating security findings. Ideal applicants wi...Read More>>.

Posted: June 6th, 2026
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Penetration Tester: Offensive Security Engineer

Company IconTesco
Location IconWelwyn Garden City

A leading retail company in the UK is seeking a Cyber Security Specialist to enhance its penetration testing capabilities. In this role, you will perform security assessments on applications and infrastructure, utilizing internal knowledge to address...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester — Web, Mobile & API Security

Company IconSynergy Solutions International Limited
Location IconLondon

A consultancy firm in London is looking for a Senior Penetration Tester to join their team. The role involves performing high-standard penetration tests, managing and mentoring security consultants, and producing timely reports. Ideal candidates will...Read More>>.

Posted: June 6th, 2026
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Penetration Tester (CREST/CHECK) – Shape Secure Futures

Company IconGoaco
Location Icon

A technology solutions provider in the United Kingdom seeks a skilled Penetration Tester to enhance cybersecurity for clients. You will conduct penetration tests, assess security vulnerabilities, and collaborate closely with the Global Cyber Security...Read More>>.

Posted: June 6th, 2026
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Associate Penetration Tester — Web/API Security & Reporting

Company IconRadley James
Location IconManchester

A leading cybersecurity firm in Manchester is seeking an Associate Penetration Tester to identify and remediate security vulnerabilities across applications and infrastructure. You will conduct penetration tests, document findings, and support cross-...Read More>>.

Posted: June 6th, 2026
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Junior Associate Penetration Tester

Company IconRadley James
Location IconManchester

This range is provided by Radley James. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range We’re looking for an Associate Penetration Tester to help id...Read More>>.

Posted: June 6th, 2026
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Penetration Tester (OSCP Certified)

Company IconSolutions & Innovations Company
Location IconLondon

Your talent is the key to innovation. At S&l, we're not just offering jobs - we're building careers that make an impact. Apply now and be part of a team shaping the future of cybersecurity and technology.Salary: Up to £45,000 per annum....Read More>>.

Posted: June 6th, 2026
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Penetration Tester — Hybrid London, Red Team Growth

Company IconSolutions & Innovations Company
Location IconLondon

A leading cybersecurity firm in London is seeking a passionate Penetration Tester to enhance their offensive security team. You will support cloud and infrastructure security assessments, write detailed reports for various stakeholders, and collabora...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester — Lead Security Assessments

Company IconNational Physical Laboratory (NPL)
Location Icon

The National Physical Laboratory (NPL) seeks a Senior Security Testing Specialist to lead security assessments across complex systems. You will be responsible for conducting hands-on penetration testing and mentoring junior team members, all withi...Read More>>.

Posted: June 11th, 2026
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Senior/Principal Penetration Tester / Experienced Red Team Consultant

Company IconRootshell Security
Location Icon

Senior/Principal Penetration Tester / Experienced Red Team Consultant Testing Team United Kingdom Remote working options Full Time About the role Rootshell Security is seeking an...Read More>>.

Posted: July 23rd, 2026
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IT/OT Penetration Tester | Hybrid + Learning Budget

Company IconPA Consulting
Location IconLondon

A leading consulting firm in Greater London is looking for a penetration tester to deliver high-quality security assessments and collaborate with multiple teams. The ideal candidate will have relevant certifications and a strong knowledge background...Read More>>.

Posted: July 6th, 2026
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Senior Penetration Tester — Cloud, Web & Infra Security

Company IconInstil
Location IconLondon

Instil is seeking a Senior Penetration Tester with CHECK to join our growing team in the UK. You will lead hands-on penetration testing across infrastructure, cloud, web, and mobile applications for a diverse client base, ment oring juniors and sh...Read More>>.

Posted: July 13th, 2026
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Senior Penetration Tester - FinTech Security Leader

Company IconStarling Bank Limited
Location IconLondon

Starling Bank Limited is seeking an experienced Penetration Tester to join our security team in a hybrid role. You will conduct tests across mobile, web, cloud, and infrastructure, partner with engineering to secure development, and help remediati...Read More>>.

Posted: July 22nd, 2026
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Cyber Security Consultant (Penetration Tester)

Company IconMoore Kingston Smith LLP
Location IconLondon

Cyber Security Consultant (Penetration Tester) Department: Cyber Employment Type: Permanent - Full Time Location: City, London Compensation: £45,000 - £55,000 / year Descriptio...Read More>>.

Posted: July 24th, 2026
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Lead Penetration Tester - Kubernetes & DevSecOps

Company IconBarlowe LLP
Location IconLondon

G-Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through continuous testing and remediation collaboration....Read More>>.

Posted: July 25th, 2026
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Senior Penetration Tester - Hybrid & Impactful

Company IconStarling
Location IconCardiff

Starling is seeking an experienced Penetration Tester to join our fast-moving cyber security team. You will perform mobile, web, cloud and infrastructure testing to validate controls and improve overall security posture.You will collaborate...Read More>>.

Posted: July 26th, 2026
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Senior Penetration Tester - Hybrid & Impactful Security

Company IconStarling
Location IconSouthampton

Starling Bank is seeking an experienced Penetration Tester to strengthen our cyber security team. You will conduct mobile, web, cloud and infrastructure tests, report findings, and help drive secure development across engineering functions....Read More>>.

Posted: July 27th, 2026
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Penetration Tester - Hands-On Security & Reporting Pro

Company IconGuideposts Trust Limited
Location IconCardiff

Guideposts Trust Limited is seeking a skilled Penetration Tester to join our expanding team in the United Kingdom. The role focuses on manual penetration testing across multiple disciplines, with reporting to a high standard and clear communicatio...Read More>>.

Posted: July 29th, 2026
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Graduate Cyber Security Consultant/Penetration Tester

Company IconBPM Tech
Location Icon

Penetration Tester – Bristol | Full-Time | Hybrid with Client Travel My client is a UK-based technology and cybersecurity consultancy delivering cutting‑edge solutions across sectors including telecoms, finance, defence, rail, and...Read More>>.

Posted: August 17th, 2026
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Lead Penetration Tester — FinTech Security & Automation

Company IconG-Research
Location IconLondon

G-Research is seeking a Penetration Tester to lead and conduct security assessments across internal systems. You will deliver actionable remediation insights and collaborate on remediation strategies, strengthening our security posture.The...Read More>>.

Posted: August 29th, 2026
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Senior Penetration Tester — Hybrid, Secure Systems & Innovation

Company IconStarling
Location IconLondon

Starling is recruiting an experienced Penetration Tester to join our security team in a hybrid role. You will work with cyber security professionals to ensure services are designed, developed, and operated securely, conducting testing and driving...Read More>>.

Posted: September 2nd, 2026
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Test Engineer — Automation & Security QA

Company IconHdcorp
Location IconManchester

Hamiltonian Dynamics is hiring Test Engineers to ensure quality, reliability, and security across defence and cyber platforms. You will work with software and platform engineers to shape testing approaches and embed quality throughout delivery....Read More>>.

Posted: September 8th, 2026
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Security Testing Consultant (Penetration Tester) Hybrid

Company IconBAE Systems Digital Intelligence
Location IconFrimley

Location(s): UK, Europe & Africa : UK : Frimley || UK, Europe & Africa : UK : Gloucester || UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : Leeds || UK, Europe & Africa : UK : London || UK, Europe & Africa : UK : Manchester B...Read More>>.

Posted: September 21st, 2026
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Security Testing Consultant | Penetration Tester

Company IconBAE Systems Digital Intelligence
Location IconFrimley

BAE Systems Digital Intelligence in the UK seeks a Security Testing Consultant - Penetration Tester to perform and lead security assessments across web apps, infrastructure, cloud and external surfaces. You will work with CTS teams to build threat...Read More>>.

Posted: September 22nd, 2026
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Penetration Tester

Company IconLorien
Location IconLondon

PENETRATION TESTER/OFFENSIVE SECURITY CONSULTANT | DV ELIGIBLE | LONDON | 5 days a week on-site Looking for your next penetration testing contract? We're seeking experienced Penetration Testers/Offensive Security Consult...Read More>>.

Posted: September 24th, 2026
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Penetration Tester

Company IconAnson McCade
Location IconLondon

We’re looking for an experienced IT/OT Penetration Tester to join a growing cybersecurity consulting team, working on complex security assessments across a range of industries including defence, energy, utilities, manufacturing, tra...Read More>>.

Posted: September 24th, 2026
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Penetration Tester

Company IconClaranet
Location IconLondon

As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineeri...Read More>>.

Posted: September 25th, 2026
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Senior AI-Driven Penetration Tester

Company IconEames Consulting Group
Location IconLondon

Eames Consulting Group is seeking a Senior Penetration Tester for a contract role in the UK, focused on AI-enabled vulnerability research and risk-based remediation across priority applications. You will lead end-to-end testing, combining manual t...Read More>>.

Posted: September 27th, 2026
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Penetration Tester, TVM & Security Assurance

Company IconThames Water Utilities Limited
Location IconReading

Thames Water is seeking a Security Penetration Tester to support the design, implementation and maintenance of TVM solutions across the IT estate. You will collaborate with Digital teams to mitigate vulnerabilities and ensure remediation is aligne...Read More>>.

Posted: September 27th, 2026
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Security Penetration Tester

Company IconThames Water Utilities Limited
Location IconReading

As a Security Penetration Tester, you will be responsible for supporting the design, implementation, and maintenance of TVM (Threat & Vulnerability Management) solutions, controls and processes across the organisation. You will be liaising with...Read More>>.

Posted: September 27th, 2026
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Associate Penetration Tester - Cyber Security

Company Iconsky
Location IconHounslow

Sky Cyber Security teams in the UK tackle evolving threats and deliver secure digital experiences for millions. This graduate role focuses on hands-on penetration testing, learning modern security testing methods, and collaborating with cross-func...Read More>>.

Posted: September 27th, 2026
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Automotive Cybersecurity Penetration Tester

Company IconTata Technologies Limited
Location IconLighthorne

Tata Technologies Limited, based at a customer site in Gaydon, is seeking a Cyber Security Penetration Test Engineer. You will build, run and oversee pen tests across ECUs, systems and vehicles to ensure secure product development for automotive p...Read More>>.

Posted: September 29th, 2026
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Lead Penetration Tester: Web, Network & Mobile Security

Company IconBarclays Bank Plc
Location IconManchester

Barclays Bank Plc is seeking a Penetration Tester to identify vulnerabilities across web, network, mobile, and client applications, turning findings into actionable remediation steps. The role sits within a collaborative security testing team and...Read More>>.

Posted: September 30th, 2026
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Penetration Tester - Senior Red Team Consultant - - DV Cleared - Defence

Company IconSynergize Consulting
Location Icon

Synergize Consulting is seeking an experienced Senior Red Team Consultant to support a high-profile defence programme, working within an established Red Team Delivery Cell. This is an excellent opportunity for an experienced offensive se...Read More>>.

Posted: October 1st, 2026
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Security Testing Lead

Company IconIdentifi Global
Location IconMilton Keynes

Milton Keynes, Hybrid (up to 2 days per week in the office) Permanent offering up to £70 000 + Bonus Scheme Shape the Future of Security Testing! Are you an experienced cyber security professional who enjoys the...Read More>>.

Posted: October 1st, 2026
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Security Testing Lead - Hybrid - £70k + Bonus

Company IconIdentifi Global Resources Ltd
Location IconMilton Keynes

Identifi Global Resources Ltd. in Milton Keynes is hiring a Cyber Security Testing Lead to own and evolve our security testing programme across applications, infrastructure and cloud environments.You will coordinate external penetration tes...Read More>>.

Posted: October 1st, 2026
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Examination Invigilator: Upholding Fair, Secure Tests

Company IconSRUC
Location IconBroxburn

SRUC is seeking an Invigilator to join the Timetabling and Exams Administration team on a permanent casual contract. The role focuses on creating a professional, welcoming examination environment and ensuring integrity and compliance during assess...Read More>>.

Posted: October 4th, 2026
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Network Security Testing Lead — KPI-Driven

Company IconVodafone
Location IconLondon

Vodafone is seeking an Operational & Technical Testing Lead – Networks to deliver security control testing across its telecommunications environments. This role requires expertise in network security to develop strategies, validate controls, and...Read More>>.

Posted: September 22nd, 2026
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Senior AppSec Lead: Threat Modelling & Secure Testing

Company IconGlobal Relay
Location IconLondon

Global Relay seeks a Senior Application Security Specialist to lead advanced testing, threat modelling and security strategy across its applications. You will mentor analysts, liaise with engineering, and shape standards in a high‑impact securit...Read More>>.

Posted: September 23rd, 2026
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AI-Driven Penetration Tester

Company IconEames Consulting Group
Location Icon

Eames Consulting Group seeks a senior Penetration Tester to lead AI-enabled vulnerability research across priority applications, starting with internet-facing assets. The role blends manual testing with frontier-model-assisted discovery, exploit v...Read More>>.

Posted: September 27th, 2026
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