Penetration Tester (CHECK Team Member)

Company IconOscar Associates (UK) Limited
Location Icon

Role: Penetration Tester (CHECK Team Member)Location: United Kingdom - Remote Salary: £40,000 - £50,000Type: Permanent, Full-TimeSummary:...Read More>>.

Posted: June 25th, 2026
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CREST Penetration Tester

Company IconOscar
Location IconLondon

Penetration Tester (CREST, OSCP) | Hybrid, London | £55-60k We are working with a well-established cyber security and AI consultancy that is looking for a mid-level Security Testing Consultant to join their growing testin...Read More>>.

Posted: June 27th, 2026
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Senior Penetration Tester

Company IconTieTalent
Location IconLondon

OverviewJoin to apply for the Senior Penetration Tester role at TieTalentLife on the teamComputacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to...Read More>>.

Posted: June 6th, 2026
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Senior Cybersecurity Penetration Tester for Impact & Flexibility

Company IconTieTalent
Location IconLondon

A cybersecurity firm is seeking a Senior Penetration Tester to identify vulnerabilities in systems and networks. You will support the delivery of vulnerability assessment and penetration testing services and collaborate with a dynamic Cybersecurity t...Read More>>.

Posted: June 6th, 2026
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Graduate Cyber Security Consultant/Penetration Tester

Company IconTrades Workforce Solutions
Location IconBristol

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: June 6th, 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 - Offensive Security Lead

Company IconHack The Box
Location IconLondon

Hack The Box is looking for a Senior Penetration Tester to join their offensive security team in Greater London. This role involves conducting penetration tests on applications, infrastructure, and cloud environments. Key responsibilities include doc...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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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 - CTM

Company IconInstil
Location IconBelfast

We are looking for a Senior Penetration Tester with CHECK to join our growing team. You will play a critical role in delivering high‑quality penetration testing engagements across infrastructure, cloud, web, and mobile applications for...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester, Resilience & Threat Defense

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking an Assessments & Exercises Vice President in Penetration Test. In this key role, you will enhance the firm's cybersecurity through hands-on penetration testing and risk assessment methodologies. Collaborating with d...Read More>>.

Posted: June 6th, 2026
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Penetration Tester (Contract) - Hybrid East Midlands

Company Icondevelop
Location IconEast Midlands

develop is seeking a Security Penetration Tester for a contract role in the East Midlands. This hybrid position involves working three days a week, with an immediate start, to enhance the company's internal penetration testing capabilities....Read More>>.

Posted: June 6th, 2026
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Penetration Tester (Web App)

Company IconBulletproof incorporated
Location Icon

OVERVIEWAs a Penetration Tester, you will perform formal and comprehensive penetration testing assessments, including producing full written reports to appropriate standards and within agreed deadlines. In addition, you will support with cl...Read More>>.

Posted: June 6th, 2026
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Lead Penetration Tester - CTL App

Company IconInstil
Location IconBelfast

We’re looking for a highly skilled Lead Penetration Tester with CHECK Team Lead (Web App) to join our dynamic security team. This is a senior, hands‑on role where you’ll lead and deliver complex web application and API penet...Read More>>.

Posted: June 6th, 2026
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Penetration Tester - Systems Integrator

Company IconHamilton Barnes Associates Limited
Location IconSouth Yorkshire

Ready to identify vulnerabilities before attackers do?Join a cybersecurity services provider recognised for delivering penetration testing, advisory, and compliance solutions to enterprises. With a reputation for technical expertise and...Read More>>.

Posted: June 6th, 2026
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Security Penetration Tester

Company IconWipro
Location IconLondon

Security Testing Coordinators Security testing professionals, including penetration testers and security analysts, are responsible for identifying, analyzing, and mitigating vulnerabilities in software, systems, and networks. Key respo...Read More>>.

Posted: June 6th, 2026
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Lead Penetration Tester - Cloud & App Security

Company IconManchester Digital
Location IconManchester

A leading financial technology company in Manchester is seeking an experienced Penetration Tester to conduct assessments on its core banking platform. The role focuses on Cloud and Application Security, requiring strong skills in penetration testing...Read More>>.

Posted: June 6th, 2026
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Cybersecurity - Penetration Tester

Company Iconbluedog cyber security
Location IconLondon

We are on the hunt for an expert in Penetration Testing. This is a terrific opportunity to be a part of an accredited entity while also contributing to the creation of an existing offering. Responsibilities Plan and conduc...Read More>>.

Posted: June 6th, 2026
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IT/OT Penetration Tester

Company IconAstro Studios, Inc.
Location IconLondon

We believe in the power of ingenuity to build a positive human future.As strategies, technologies, and innovation collide, we create opportunity from complexity.Our teams of interdisciplinary experts combine innovative thinking an...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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IT/OT Security Penetration Tester (Hybrid)

Company IconAstro Studios, Inc.
Location IconLondon

A leading cybersecurity firm in Greater London is seeking a skilled individual for a penetration testing role. The successful candidate will deliver high-quality security assessments, produce client reports, and collaborate across teams. This positio...Read More>>.

Posted: June 6th, 2026
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Penetration tester - CHECK TEAM MEMBER

Company IconInfoSec People Ltd
Location Icon

OverviewOur client, a leading UK-based MSSP, is looking for a Senior Penetration Testing Consultant to join their Red Team. This is a remote-first role with occasional on-site work, ideal for an experienced tester who wants to take on...Read More>>.

Posted: June 6th, 2026
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SC or NATO Cleared Penetration Tester

Company IconiO Associates
Location Icon

Lead Principal Consultant – Penetration Tester iO Associates is seeking SC or NATO Cleared Penetration Testers for a 12 month contract (outside IR35) starting in January, with a likely extension. This is a 100% remote r...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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Senior Penetration Tester, Vulnerability Management

Company IconBank of England
Location IconLeeds

Bank of England is looking for a Lead Penetration Tester to strengthen the security of its systems and services. You will lead penetration testing, assess vulnerabilities, and work across teams to drive effective remediation. The role allows for h...Read More>>.

Posted: June 6th, 2026
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Penetration Tester - Engine by Starling

Company IconManchester Digital
Location IconManchester

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, th...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 - Remote, Flexible & Impactful

Company IconDarkshield
Location Icon

Darkshield is seeking an experienced Penetration Tester in York, UK, to conduct security assessments and ethical hacking. The successful candidate will identify vulnerabilities, simulate cyberattacks, and provide actionable security recommendation...Read More>>.

Posted: June 6th, 2026
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Senior Penetration Tester - CTL

Company IconUBDS Group
Location IconLondon

3B Data Security (part of UBDS Group) are looking for a skilled and experienced Senior Penetration Tester who can provide exceptional service delivery and contribute to the continued expansion of the organisation. You will have a CHECK Team Lea...Read More>>.

Posted: June 7th, 2026
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Penetration Tester - Hybrid Role with Training & Growth

Company IconRed Moon recruitment
Location IconGloucester

Red Moon recruitment is seeking a Penetration Tester for a hybrid role in Gloucester. You will conduct security assessments, identify vulnerabilities, and provide actionable recommendations. This position involves working with a range of clients a...Read More>>.

Posted: June 8th, 2026
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Senior Penetration Tester

Company IconNational Physical Laboratory (NPL)
Location Icon

About the Role You’re driven by curiosity and a desire to understand how things really work — and how they can be made more secure. Whether dissecting telecoms protocols, exploring enterprise systems, or analysing hardware, you tak...Read More>>.

Posted: June 11th, 2026
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Digital Safety Penetration Tester

Company IconeasyJet Airline Company PLC
Location IconLuton

Job Description Digital Safety Penetration Tester (16997) We are easyJet – a FTSE listed, £multi‑billion low‑cost airline that serves tens of millions of customers every single year. If you’re reading this, you have proba...Read More>>.

Posted: June 12th, 2026
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Hands-on Cyber Penetration Tester – Cloud & Apps

Company IconeasyJet Airline Company PLC
Location IconLondon

easyJet Airline Company PLC is seeking a Digital Safety Penetration Tester in Luton. You will engage in ethical hacking across diverse applications and infrastructures, identifying vulnerabilities and enhancing security measures.The ideal c...Read More>>.

Posted: June 12th, 2026
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Penetration Tester - Quant trading firm - London

Company IconLa Fosse
Location IconLondon

A leading quantitative investment management firm is looking to hire a Penetration Tester to join its established Security Assurance function. The business operates at the intersection of technology and financial markets, running complex, high-...Read More>>.

Posted: June 13th, 2026
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Senior Penetration Tester — Infra & Web Assessments

Company IconBridewell
Location Icon

Bridewell is seeking an experienced Senior Penetration Tester to deliver high-quality security assessments and work on exciting projects.The position offers a hybrid working policy, dedicated training budget, and opportunities for personal...Read More>>.

Posted: June 14th, 2026
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Digital Safety Penetration Tester

Company IconeasyJet
Location IconLuton

About easyJet easyJet is a FTSE-listed, multi‑billion‑pound low‑cost airline that serves tens of millions of customers each year and operates a network of over 1,200 routes across 38 European countries. Role Overview...Read More>>.

Posted: June 15th, 2026
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Senior Penetration Tester — In‑Lab Security & Telecoms

Company IconNational Physical Laboratory
Location Icon

The National Physical Laboratory in Birmingham seeks skilled professionals for security assessments and penetration testing roles. Applicants should have a background in infrastructure, networking, or software development, along with hands-on pene...Read More>>.

Posted: June 15th, 2026
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Remote AI Security Penetration Tester

Company IconAlignerr
Location IconLondon

Alignerr is seeking an experienced AI Penetration Tester to conduct thorough security assessments. This fully remote role allows you to utilize your offensive security skills to help secure AI systems.You will work independently on engaging...Read More>>.

Posted: June 20th, 2026
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Penetration Tester United Kingdom

Company IconBugcrowd Inc.
Location Icon

Bugcrowd is a security platform that empowers organizations to protect themselves against threat actors by uniting the collective expertise of elite hackers, supported by data and AI‑powered technology. Position Summary Bugcro...Read More>>.

Posted: June 20th, 2026
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Remote Associate Penetration Tester (UK hours)

Company IconBugcrowd Inc.
Location Icon

Bugcrowd Inc. is looking for a motivated Associate Penetration Tester to join their security team. This role focuses on developing offensive security skills while conducting penetration tests and engaging actively in maintaining security knowledge...Read More>>.

Posted: June 20th, 2026
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Enterprise Security Penetration Tester

Company IconSivara GmbH
Location IconNormanton on Trent

Sivara GmbH is seeking a Security Penetration Tester to join our hybrid team in Normanton on Trent, England. The successful candidate will conduct network and application penetration testing, support vulnerability management, and collaborate with...Read More>>.

Posted: June 21st, 2026
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SC-Cleared Penetration Tester (Hybrid/Lab)

Company IconUK Telecoms Lab (UKTL)
Location Icon

UK Telecoms Lab (UKTL) is seeking skilled individuals to conduct security assessments and penetration tests in a controlled environment. The ideal candidate will possess hands-on experience in testing various technologies, produce technical report...Read More>>.

Posted: June 23rd, 2026
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Hybrid IT & OT Security Penetration Tester

Company IconPA Consulting
Location IconCity of Westminster

PA Consulting in City of Westminster is seeking a penetration testing expert to work in a hybrid environment, collaborating with teams on diverse projects to enhance security practices.The ideal candidate will hold industry-recognized certi...Read More>>.

Posted: June 26th, 2026
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Cyber Security Consultant (Penetration Tester)

Company IconRSM UK Group LLP.
Location IconCity of Westminster

Cyber Security Consultant (Penetration Tester)RSM UK is seeking an experienced Cyber Security Consultant to deliver offensive security services including digital footprint reconnaissance, social engineering, penetration testing, vulner...Read More>>.

Posted: June 27th, 2026
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Remote Infrastructure Penetration Tester

Company IconPunk Security Ltd.
Location IconNorth East

Punk Security Ltd. in North East England is seeking junior and mid-level penetration testers to support our infrastructure team. You will engage in diverse technologies, conducting penetration tests and contributing to professional reports....Read More>>.

Posted: June 28th, 2026
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Infrastructure Penetration Tester

Company IconPunk Security Ltd.
Location IconNorth East

Salary: £40,000 - 50,000 per year Requirements We require a minimum of 2 years of hands‑on industry experience in a penetration testing role. We need a strong technical understanding of network and cloud...Read More>>.

Posted: June 28th, 2026
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Penetration Tester | Upto $2150 Part-time

Company IconMercor
Location IconLondon

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst...Read More>>.

Posted: June 3rd, 2026
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