Latest Penetration Testing Jobs

Penetration Tester

Penetration Tester (CHECK) - UK remote - £50,000 - £90,000 + Benefits + Bonus Opus has partnered with a rapidly expanding UK cyber security consultancy to recruit experienced CHECK Penetration Testers. This organisation delivers high impact security testing across government, defence, and critical national infrastructure, and is looking to grow...

Opus Recruitment Solutions

Sheffield

Penetration Tester

Tesco UK • Welwyn Garden City • Full-Time • Working hours 36 • Apply by 27-Mar-2026 We are passionate about step changing our cyber security capability to better protect customers and colleagues across our global business, and we're building an internal penetration testing function to complement and help further mature...

55 Redefined Ltd

Welwyn Garden City

Penetration Tester

About Darkshield Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient...

Darkshield Technologies Ltd.

York

Penetration Tester

About the role We are passionate about step changing our cyber security capability to better protect customers and colleagues across our global business, and we’re building an internal penetration testing function to complement and help further mature our defensive security capabilities. This new role challenges you to use your offensive...

Tesco

Welwyn Garden City

Penetration Tester

Global Talent Acquisition Manager at Ultima Business Solutions - Driving Digital Transformation with the use of Artificial Intelligence and Automation Are you an ambitious cybersecurity professional with a passion for uncovering vulnerabilities and strengthening digital defences? Join Ultima’s Security Testing Practice as a Penetration Tester and play a key role...

Ultima

Reading

Penetration Tester

Cyber Guarded Ltd is expanding! We’re a long-established, independent cyber security company and the leading NCSC CHECK provider in Northern Ireland now growing across the UK. We’re looking for an experienced Penetration Tester (not entry level) to deliver high-assurance testing across infrastructure, web, cloud and OT environments. This is a...

Cyber Guarded Ltd

Belfast

Penetration Tester

About the roleCapital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position works closely with team members to plan, coordinate, execute and report on sophisticated ethical hacking exercises, to identify cyber vulnerabilities and...

Capital One (Europe) plc

Nottingham

Penetration Tester (CHECK)

Location: Cheltenham/Remote Job Type: Permanent Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused...

CND

Cheltenham

Penetration Tester

Penetration Tester required for a fully remote permanent role. Salary approx. £40-70k DOE We are seeking a Penetration Tester to join a growing cyber security team within a global managed security services provider. This role offers the opportunity to work across public and private sector environments, helping organisations identify vulnerabilities...

4Square Recruitment Ltd

London

Penetration Tester

Penetr Tester – Cyber Security Consultancy About the Role We’re looking for a skilled Penetration Tester to join a growing, highly regarded UK cyber security practice. You’ll be part of an established, CREST-accredited team, working with both public and private sector clients to assess and improve their security posture across...

4Square Recruitment Ltd

Manchester

Penetration Tester

Overview Penetration Tester – UK Remote Linux / Windows Python, PowerShell, Bash Are you passionate about ethical hacking and ready to take your skills to the next level? We're hiring a Penetration Tester to join a growing cyber team delivering CREST-aligned security services. You’ll simulate real-world attacks, uncover vulnerabilities, and...

Colossus Recruitment

West Midlands

Penetration Tester

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Computer Network Defence Ltd (CND)Cyber Security Recruitment Manager at Computer Network Defence Ltd (CND) | BTL1 | Net+ Type: Permanent Clearance: SC/DV Are you an offensive security specialist who is excited about delivering the...

Computer Network Defence Ltd (CND)

Cheltenham

Penetration Tester

Join to apply for the Penetration Tester role at Royal London Join to apply for the Penetration Tester role at Royal London Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Royal London Working style: Hybrid 50% home/office based Closing date: 1st June...

Royal London

Edinburgh

Penetration Tester

We are seeking a Penetration Tester to join a leading technology company based in Bristol, UK. The company specialises in cybersecurity consultancy, software development, and bespoke research & development, operating across industries such as telecommunications, finance, defence, rail, and aerospace. Our team plays a key role in safeguarding critical infrastructure...

iO Associates

Bristol

Penetration Tester

Join to apply for the Penetration Tester role at CGI Join to apply for the Penetration Tester role at CGI Position DescriptionCGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety...

CGI

Newcastle upon Tyne