19 of 19 Penetration Tester Jobs in the UK

Senior Penetration Tester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging … and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly skilled and motivated Senior Penetration Tester to join our remote team. You will be responsible for leading and executing complex penetration tests against a variety of systems, networks, and applications. The ideal candidate is not just a … proficient tester but a critical thinker who can articulate risks clearly and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for More ❯

Senior Penetration Tester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £85,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging … and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly skilled and motivated Senior Penetration Tester to join our remote team. You will be responsible for leading and executing complex penetration tests against a variety of systems, networks, and applications. The ideal candidate is not just a … proficient tester but a critical thinker who can articulate risks clearly and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for More ❯

Penetration Tester (Remote – UK) | Up to £50,000 We’re looking for a talented Penetration Tester to join our growing team and help strengthen the security posture of our clients. This is a fully remote role (UK-based) offering up to £50,000 depending on experience. What you’ll do: Deliver high-quality penetration testing … clients. Collaborate with colleagues and clients to identify vulnerabilities and improve overall security. Stay current with emerging threats, exploits, and tools. What we’re looking for: Proven experience in penetration testing. Strong understanding of security testing methodologies, tools, and frameworks. Excellent communication and report writing skills. Certifications such as OSCP, CRT, or CPSA (required). Why join us? Competitive More ❯

special to the table, including you! Even if you feel you're close but not an exact match, we encourage you to apply. Overview We're seeking a dynamic Penetration Tester to join our growing team within a large organization. This is a client-facing, fully remote role with exciting travel opportunities for internal engagements, wireless assessments, and … red teaming. This opportunity is within our Cyber Risk Management Division and will be part of a team of Penetration Testing experts. How you'll make an impact Conduct external, internal, web application, WiFi, cloud, and red team penetration tests. Engage in OSINT, phishing campaigns, Cyber Essentials audits, and governance projects. Provide cyber awareness training and network hardening … consultations for clients. About You Experience as a Penetration Tester with proven expertise in web application testing, internal blackbox testing, cloud, and WiFi assessments. Previous experience in IT (Helpdesk/IT Support) with a solid understanding of networking, Windows Active Directory, and Windows/Linux systems. Knowledge of OWASP vulnerabilities and experience in web application and infrastructure pentesting. More ❯

End Date Friday 26 September 2025 Salary Range £70,929 - £78,810 Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior Penetration Tester SALARY: £70,929 - £78,810 LOCATION(S): Leeds, Bristol, Manchester or Edinburgh HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two … the heart of everything we do, helping Britain prosper, and protecting the Group and its customers and suppliers from security threats. Key Responsibilities Plan, execute and report on complex penetration testing engagements against Web, API, Mobile, infrastructure and cloud assets Design and implement repeatable and efficient testing mechanisms to identify weaknesses at scale Review and QA findings from testing … on the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone. Including you. What you'll need Extensive experience as a penetration tester including experience in a lead role Be a subject matter expert in at least 2 of the following domains: Web, API, Mobile, Infra and Cloud testing Relevant More ❯

Penetration Tester 6 months Wokingham - 50% on site £450 Summary A dynamic and detail-oriented PMO to oversee and coordinate a Penetration Testing (PEN Testing) program. This role is pivotal in ensuring that testing activities are well-managed, results are clearly communicated, and remediation efforts are tracked across the organisation. While deep technical expertise in cybersecurity is More ❯

Penetration Tester - Remoteup to 65K Basic SalaryDiverse Challenges: Work on a variety of applications including Web, Infrastructure (Internal/External), Cloud, Code Reviews, and Mobile.Remote Flexibility: Enjoy the freedom and convenience of a fully remote position. Attributes: A passion for cybersecurity, a drive for excellence, and a commitment to continuous learning. Modis International Ltd acts as an employment More ❯

Role: Penetration Tester Type: Permanent Location: Cheltenham/Remote 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 on the … Penetration Testing market. What makes them stand out? They are not interested in flashy marketing and would never be caught trying to pass off a Nessus scan as a Penetration Test. The business has been built on delivering excellent testing and reports as well as ensuring that clients see the real benefits of their testing outputs. The company … have an office in Cheltenham however you are welcome to work where is best for you. Key Responsibilities: · Work to deliver CHECK penetration testing services · Lean into non-CHECK work where necessary · Work with the sales team to flesh out technical input as needed · Deliver quality reports to customers, · Stay up to date with industry trends and new attack More ❯

Senior Penetration Tester Location: Fully Remote (UK-Based) Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients click apply for full job details More ❯

Senior Penetration Tester Location: Fully Remote (UK-Based) For a complete understanding of this opportunity, and what will be required to be a successful applicant, read on. Salary Range: £50,000 - £75,000 (dependent on experience) Position: Permanent, Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a More ❯

UK's leading Technology Solutions providers who have specialised in delivering innovative IT services to both public and private sector clients for nearly 40 years! They’re hiring a Penetration Tester to join a growing Security Testing Practice. If you're passionate about cybersecurity and love solving complex problems, this could be your next move. What you’ll … be doing : Deliver high-quality penetration tests and IT Health Checks alongside senior team members Keep your certifications sharp and up to date Expand your skill set to support a wide range of client needs What we’re looking for: 2+ years’ experience in penetration testing CREST Practitioner, CRT, or Cyber Scheme Team Member certified Ability to maintain More ❯

I'm currently hiring for a Penetration Tester role with a forward-thinking organisation in the West Midlands.An exciting in-house opportunity that blends hands-on technical challenge with real impact in CNI. This is a hybrid working-2 days a week in the office and be eligible for SC clearance.Key Tasks:* Build and script your own tools More ❯

My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate Penetration Tester to join their growing team! Main Duties: Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. Exploitation and Reporting: Simulate cyberattacks to exploit vulnerabilities and document findings in More ❯

Contract Pen Tester – SC Cleared 🚨 I'm on the search for a INF/APP or CSTM certified consultants to deliver ITHCs and penetration testing. 🔹 £700 p/d (Outside IR35) 🔹 6 months (with extension) 🔹 Manchester & Newcastle (mix of on-site + remote) 🔹 SC clearance required If you’re a seasoned tester with these certifications and strong More ❯

We're looking for a CHECK Team Member(CCT INF/APP or CSTM equivalent) to deliver ITHCs and penetration testing for government. The Role Run and deliver IT Health Checks and penetration tests (on-site & remote). Scope, plan, and run multi-phase security assessments. Produce clear, high-quality reports and peer reviews. Mentor and upskill team … coaching, workshops, and bootcamps. Open, transparent and collaborative approach What You'll Need Current or previous CHECK Team Member (Infrastructure or Application) status. 3+ years' hands-on penetration testing including ITHCs. Experience with AWS and Kubernetes. Strong comms skills - technical detail, excellent technical skills. SC clearance More ❯

We're looking for a CHECK Team Leader (CCT INF/APP or CSTL equivalent) to deliver ITHCs and penetration testing for government. The Role Lead and deliver IT Health Checks and penetration tests (on-site & remote). Scope, plan, and run multi-phase security assessments. Produce clear, high-quality reports and peer reviews. Mentor and upskill team … coaching, workshops, and bootcamps. Open, transparent and collaborative approach What You'll Need Current or previous CHECK Team Leader (Infrastructure or Application) status. 3+ years' hands-on penetration testing including ITHCs. Experience with AWS and Kubernetes. Strong comms skills - technical detail, excellent technical skills. SC clearance More ❯

Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps workflows. This role is ideal for someone who More ❯

Role/Job Title: DevSecOps Pentester Work Location: London (2 - 3days) The Role Conducts security assessments and penetration tests across CI/CD pipelines, cloud infrastructure, and application environments. Integrates automated security tools and practices within DevOps workflows to ensure continuous security validation. Identifies and exploits vulnerabilities in code, containers, APIs, and infrastructure-as-code before they reach production. More ❯

client, a leading global organization, is looking for a skilled Internal Pentester to join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks, and deliver actionable remediation advice. Youll work in a compliance-driven, high-security … environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP). Identify and exploit security flaws: insecure authentication, authorization bypass, input validation issues, cloud misconfigurations, AD misuse, etc. Perform internal/external network testing, AD enumeration, privilege … technical findings. Collaborate with development, cloud, and infrastructure teams on remediation. Keep up to date with latest vulnerabilities, exploit techniques, and pentesting tools. Essential Skills & Experience 37+ years in penetration testing, red teaming, or offensive security. Strong application security knowledge (OWASP Top 10, API security). Proven end-to-end pentest experience: internal, external, cloud, AD, web apps, APIs. More ❯