Penetration Tester jobs

Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months. The focus of these...

Overview Join to apply for the Senior Penetration Tester role at TieTalent Life on the team Computacenter is growing our penetration testing capability and we are looking for an experienced penetration tester to support the delivery of vulnerability assessment and penetration testing services to Computacenter and our customers delivered services. As a highly skilled and motivated Penetration...

You should have strong penetration testing certifications and experience in offensive security, demonstrating technical depth and risk understanding.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives.

Penetration Test Lead - Hands onRate - £400 - £500 Inside IR35Duration - 3 months initialLocation - Bristol (Once a month on site)We are seeking an experienced Pen Test Lead with strong, hands-on penetration testing expertise to lead and support a small internal testing function.This role combines technical delivery with day-to-day leadership, overseeing a team of three penetration testers....

You will have earned your stripes doing CHECK work in data centres and be ready to, or already skilled in leading teams of talented testers.

You will have ideas of how to drive the business forward, and be skilled in the commercial aspects of security testing, above all you will know what clients are looking for when they buy security testing and how to deliver it.

Role Would you like to put your skills to the test as a Penetration Tester? You’ll have the opportunity to join a leading MSSP as a Penetration Tester, responsible for conducting web application and infrastructure penetration testing for our valued customers. As a Penetration Tester, you’ll have the chance to perform web application and infrastructure testing, ensuring the safety and security...

You will play a key role in strengthening the organisation's security posture by conducting infrastructure-focused assessments, mentoring junior testers, and influencing remediation strategies. Key Responsibilities

A respected security consultancy is looking for a Penetration Tester to enhance their technical delivery team. This remote role focuses on hands-on security testing, collaborating closely with internal teams and clients to identify vulnerabilities and offer actionable recommendations. Ideal candidates should have 2-4 years of Pen Testing experience, strong communication skills, and will require...

Starling is the UK's first and leading digital bank on a mission to fix banking We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here. We're a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We're a bank, but better:...

Position Description CGI 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 of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work across a number of domains and work in all...

We are seeking an experienced DV-cleared Penetration Tester to support security assurance and offensive testing activities within a high-assurance defence and aerospace environment . This role involves conducting controlled penetration testing against sensitive systems, directly supporting security posture, accreditation, and assurance objectives. Role Overview Define and manage penetration...

Our client, a major, fast‐growing cybersecurity consultancy is significantly expanding its UK CHECK capability this year. With a global footprint and a reputation for delivering high‐assurance security testing to government and critical national infrastructure, our client is investing heavily in its UK offensive security function. As part of this growth, they are seeking DV‐cleared CHECK Team...

A leading security firm in the United Kingdom is seeking a skilled Lead Penetration Tester. In this hands-on role, you will lead penetration testing engagements across various applications and mentor junior testers. Strong experience in cloud security, web and mobile testing methodologies, and excellent communication skills are essential. Enjoy a dynamic team environment with competitive...

You will hold current SC Clearance or DV (Developed Vetting) or be eligible to undertake Security clearanceWorking within the Cyber Security Team, you will be responsible for Pen Testing as well as mentoring, knowledge transfer to team members.

Role Ready to dive into cybersecurity challenges? You’ll: Conduct in-depth application penetration tests. Provide concise, technical and non-technical reports. Identify new vulnerabilities and support clients. Why choose this role? Join a top cybersecurity firm. Focus on penetration testing for diverse clients. Earn between £60,000 and £70,000. Join the cybersecurity forefront – apply...

Penetration Test Lead - Hands onRate - £400 - £500 Inside IR35Duration - 3 months initialLocation - Bristol (Once a month on site)We are seeking an experienced Pen Test Lead with strong, hands-on penetration testing expertise to lead and support a small internal testing function.This role combines technical delivery with day-to-day leadership, overseeing a team of three penetration testers....

Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months. The focus of these engagements...

You will play a key role in shaping the technical approach, rather than simply delivering pre-defined tests. Work will be based primarily out of SW sites or nearby Defence related sites, with an expectation of 2 to 3 days per week onsite. Key responsibilities include: Supporting confirmation of scope sessions and contributing to detailed Red Team test plans

Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months. The focus of these...