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 Security Testing Consultant

Company IconAnson McCade
Location Icon

Deliver hands‑on security testing that protects critical systems. About the Role As a Senior Security Testing Consultant, you’ll deliver end‑to‑end security testing engagements across applications, web, mobile, and infra...Read More>>.

Posted: June 6th, 2026
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Security Testing & Compliance Auditor

Company IconWipro
Location IconLondon

Wipro is seeking a Security Testing Coordinator in Greater London, specializing in information security governance, risk, and compliance. The ideal candidate will have a strong understanding of ISO 27001 and be experienced in security testing and aud...Read More>>.

Posted: June 6th, 2026
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Head of Security Engineering – Application Security & Security Testing

Company IconTesco Technology
Location IconWelwyn Garden City

Head of Security Engineering – Application Security & Security Testing Tesco Technology’s Security Engineering function is responsible for proactively identifying and mitigating risks across our technology estate. As Head of Securi...Read More>>.

Posted: June 6th, 2026
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Head of Security Engineering: App Security & Testing

Company IconTesco Technology
Location IconWelwyn Garden City

A leading retail organization in Welwyn Garden City seeks a Head of Security Engineering with broad responsibilities for leading security teams and managing vulnerability across applications. The role encompasses oversight of application security, te...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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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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Hybrid Cyber Security Testing Lead Pen Tests

Company IconMotor Insurers' Bureau (MIB)
Location IconMilton Keynes

Motor Insurers' Bureau (MIB) is seeking a Cyber Security Test Lead based in Milton Keynes. The role involves leading security testing activities, developing strategies for vulnerability assessments, and mentoring team members. The ideal candidate has...Read More>>.

Posted: June 6th, 2026
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Exposure Management & Security Testing Specialist

Company IconVodafone
Location IconNewbury

A leading telecommunications company based in Newbury is seeking a skilled candidate for a role focused on offensive security. The position involves validating disclosures, testing, and prioritizing remediation actions. Ideal candidates will possess...Read More>>.

Posted: June 6th, 2026
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Hybrid Security Testing Consultant – Penetration Testing

Company IconPursuu
Location IconLondon

A leading cybersecurity firm in Greater London is seeking a Security Testing Consultant to conduct various penetration tests and mentor junior team members. This role requires expertise in testing methodologies and the ability to communicate technica...Read More>>.

Posted: June 23rd, 2026
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Security Testing Consultant

Company IconPursuu
Location IconLondon

About the job Security Testing Consultant Why Be A Testing Consultant Here? £50-65k per annum (negotiable increase) 22 Days Holiday Bank Holidays 3 Days Company Holiday In Between Christm...Read More>>.

Posted: June 23rd, 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 Consultant - Red Team & Penetration Testing Lead

Company IconHamilton Barnes Associates Limited
Location Icon

Hamilton Barnes Associates Limited is seeking a security testing expert to lead client engagements across the UK. You will conduct network, web, and mobile assessments, perform social engineering, and participate in red team engagements to deliver...Read More>>.

Posted: September 9th, 2026
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Penetration Tester - Security Consultant (Hybrid UK)

Company IconCitation Cyber
Location IconWatford

Citation Cyber is seeking a Security Consultant to join our penetration testing team on a hybrid UK basis. You will deliver a range of technical security assessments across client environments, identifying vulnerabilities and strengthening cyber r...Read More>>.

Posted: September 16th, 2026
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Hybrid Penetration Tester & Security Consultant

Company IconCitation Cyber
Location IconBasingstoke

Citation Cyber is seeking a Security Consultant (Penetration Testing) to join our growing team. You will deliver a wide range of technical security assessments across client environments, identifying vulnerabilities and advising on remediation....Read More>>.

Posted: September 16th, 2026
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Penetration Tester - Hybrid UK, CHECK-Ready

Company IconCitation Cyber
Location IconSouthampton

Citation Cyber is a leading UK cyber security consultancy delivering penetration testing, training and managed security services. We are growing our penetration testing team and seeking a Security Consultant to join our CHECK/CREST-aligned practic...Read More>>.

Posted: September 16th, 2026
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Senior Penetration Tester - Elite Security Engineer

Company IconFSP
Location IconLondon

FSP is a leading consultancy specialising in Digital, Security and AI solutions. We are seeking a Senior Penetration Tester to join our Cyber Security practice in the United Kingdom.You will support teams on high-impact security projects, a...Read More>>.

Posted: September 20th, 2026
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Senior Penetration Tester - Flexible, High-Impact Security

Company IconBridewell
Location IconLondon

Bridewell is seeking an experienced Senior Penetration Tester to deliver high-quality security assessments across web apps, APIs and infrastructure. You will work with a talented team and contribute to ongoing service development while maintaining...Read More>>.

Posted: September 21st, 2026
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Senior Penetration Tester - Hybrid, High-Impact Security

Company IconFSP
Location Icon

FSP is seeking a Senior Penetration Tester to join our Cyber Security practice. You will contribute to high-impact technical projects, providing expert guidance on network, platform, and application security while developing tools for adversarial...Read More>>.

Posted: September 21st, 2026
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Penetration Tester (Associate) – AI & Infra Security

Company IconSky Ireland Limited
Location IconLondon

Sky Ireland Limited is seeking a Cyber Security specialist to conduct penetration tests on applications and infrastructure, while leveraging AI-assisted tools to enhance research and reporting. You will document findings, scope engagements, and co...Read More>>.

Posted: September 24th, 2026
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SC-Cleared Security Researcher & Penetration Tester

Company IconUK Telecoms Lab (UKTL)
Location Icon

UK Telecoms Lab (UKTL) is seeking an experienced security tester to conduct comprehensive assessments in our dedicated lab, performing penetration testing across hardware, software and telecoms systems. You will develop scripts to automate testing...Read More>>.

Posted: September 24th, 2026
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IT/OT Penetration Tester — Hybrid & Client-Facing Security

Company IconAnson McCade
Location IconLondon

Anson McCade is seeking an experienced IT/OT Penetration Tester to join a growing cybersecurity consulting team. You will perform high-quality penetration tests and security assessments across defence, energy, utilities, manufacturing, transport a...Read More>>.

Posted: September 25th, 2026
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Principal Penetration Tester — Hybrid, AWS & Purple Team

Company IconAddition
Location IconWatford

Addition is working with a large, highly regulated organisation on digital transformation and seeks a Principal Penetration Tester in Watford. Hybrid working, competitive salary with bonus and benefits.You will lead testing across web apps,...Read More>>.

Posted: September 25th, 2026
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Penetration Tester & Offensive Security Consultant | DV Eligible

Company IconLorien
Location IconLondon

Lorien in London is seeking an experienced Penetration Tester/Offensive Security Consultant for a long-term on-site contract. You will conduct penetration testing across infrastructure, cloud and web applications, simulating real-world attacks to...Read More>>.

Posted: September 25th, 2026
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Senior Penetration Tester - £700 to £800 (Inside IR35) - 6-12 months

Company IconEames Consulting Group
Location IconLondon

Senior Penetration Tester - £700 to £800 per day (Inside IR35)Hybrid working - 1 to 2 days per week in the office (Ideally London)Contract Senior Penetration Tester responsible for leading AI-enabled vulnerability researc...Read More>>.

Posted: September 27th, 2026
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Security Testing Lead

Company IconIdentifi Global Resources Ltd
Location IconMilton Keynes

Salary: £70,000 - 70,000 per year Requirements: Strong cyber security experience within testing, security engineering, application security or vulnerability management. Experience managing or coordinating...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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Remote Principal Penetration Tester | Lead Security Testing

Company IconMorson Group
Location Icon

Morson Group is seeking an experienced Principal Penetration Tester to lead and deliver complex penetration testing engagements for clients. The role covers hands-on testing across infrastructure, cloud, Kubernetes, and hybrid environments, while...Read More>>.

Posted: October 9th, 2026
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Penetration Tester - Offensive Security Consultant

Company IconWorkNest Secure
Location Icon

WorkNest Secure is seeking Offensive Security Consultants (Penetration Testers) to join our growing Cyber Security team in the United Kingdom. You will perform CHECK-accredited penetration tests across multiple environments and deliver actionable...Read More>>.

Posted: September 21st, 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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Contract Penetration Tester - Web Apps & API Security

Company IconAnthony James Consulting
Location IconFalmer

Anthony James Consulting is seeking an experienced penetration tester or security testing firm to conduct an independent assessment of a Laravel/PHP web application with a substantial API component, based in the Brighton area.The engagement...Read More>>.

Posted: September 22nd, 2026
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Penetration Tester & Red Team Specialist

Company IconDAC Beachcroft LLP
Location Icon

DAC Beachcroft LLP is seeking a Cyber Security Offensive Specialist to join our Technology team in Bristol. You will plan and execute authorised penetration tests, conduct red team exercises, and drive remediation strategies to strengthen our cybe...Read More>>.

Posted: September 22nd, 2026
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Senior Security Specialist – Penetration Testing

Company IconLondon Stock Exchange Group
Location IconLondon

LSEG is seeking aSenior Penetration Tester to join our internal offensive security team. This role is hands‑on and deeply technical, responsible for planning and executing penetration tests across a wide range of systems and applications. The su...Read More>>.

Posted: October 3rd, 2026
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