penetration testing jobs in London

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 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

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:...

You will have an opportunityto continue to develop market leading skills across our different capabilitiesand advance your professional development.

You will make an impact by: Supporting technical scoping activities as part of client assignments. Responsible for delivering fieldwork and assignment reporting.

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...

Job Description The role This role reports to the Head of Information Security and requires a fast-learning and self-motivated individual to add capability and capacity to our small but highly effective team. Information Security is evolving to dynamic business needs, a rapidly changing threat environment, and the firm's own ambitious IT Strategy. This role will help play a key part in...

Looking for an innovative, high-growth, multi-award-winning company in one of the hottest segments of the security market? Look no further than Veracode! Veracode is a global leader in Application Risk Management for the AI era. Powered by trillions of lines of code scans and a proprietary AI-generated remediation engine, the Veracode platform is trusted by organizations worldwide to build and...

JUNIOR PCI PENETRATION TESTERS - LONDON (REMOTE)£35,000 - £45,000 | Fully Remote (UK-based) | Cybersecurity Scale-UpA rapidly growing cybersecurity company is seeking Junior PCI Penetration Testers to join their expanding offensive security team.The Role: * Conduct PCI-DSS v4.0 compliance testing including manual penetration testing, quarterly vulnerability scanning, and network segmentation...

Location: London Salary: GBP - GBP per annum Start Date: 20/11/ Contract Type: Permanent Are you an aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems,...

Job Description Job Description We are looking for a certified Penetration Tester to join our client’s cybersecurity team and help safeguard critical systems through simulated attacks and red team assessments. You’ll be responsible for identifying vulnerabilities across networks, applications, and cloud infrastructure and providing actionable insights to reduce risk exposure. Ideal candidates...

Location: London Job Type: Contract Industry: Cyber Security Job reference: LAS/PT4305/TER_1763993000 Posted: about 3 hours ago Role: Penetration Tester Duration: 12 month Contract Pay: Up to £500 per day (Outside IR35) Location: Fully Remote Excellent long term contract for an experienced Penetration Tester to support a large-scale international security programme, delivering high-quality...

You will work with application developers to not only understand root cause and mitigate vulnerabilities, but also to identify where vulnerabilities can be identified earlier in the SDLC. Successful candidates are expected to demonstrate an eagerness to learn, the drive to excel, excellent technical knowledge of security concepts and proven expertise in penetration testing.

SENIOR OFFENSIVE SECURITY ENGINEERS - LONDON (REMOTE) Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application. £60k-£80k| Fully Remote (UK-based) | Cybersecurity Scale-Up A fast-growing cybersecurity company is seekingSenior Offensive Security Engineers to strengthen their offensive security capabilities. The Role: - Conduct...

Job Description We are assisting a well-established business within the Lift & Elevator industry with the recruitment of an experienced Technical Sales Support individual to join the business ASAP. No sales experience is required for this position, and the role would be ideal for a seasoned Lift Engineer or Lift Technician (or similar), who is looking to move into an office-based role, but...

You will act as the bridge between technical innovation and robust security, ensuring that groundbreaking enterprise IT and custom Operational Technology (OT) systems are secure by design.

You will work alongside Information Assurance and Penetration Testing teams to validate control effectiveness and define new security solutions in an agile, team-centric environment.

You will be required to obtain security clearance and undergo vigorous onboarding checks - UK Only. Sponsorship NOT available.

You will be part of the IT committee and work closely with the risk and compliance team. Ideally, having a background in IT / Network security, progressing into information security and cybersecurity.

You will identify and secure authorized licensing opportunities for "White-Space Categories"—high-precision lifestyle products such as Designer Small Appliances, Home Essentials, and Tech Accessories. By combining Yibi’s certified manufacturing prowess with our sophisticated China distribution network, you will empower British brands to expand their lifestyle footprint without capital risk.

You will be someone that shares our values and ambitions and can bring security best practices and specific cloud security expertise to the party.

You will additionally be the kind of person that is energised by complex challenges, teamwork and problem solving. In return, we can offer a great tech culture, highly competitive compensation packages and employment benefits.

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

SENIOR OFFENSIVE SECURITY ENGINEERS - LONDON (REMOTE) £60k-£80k| Fully Remote (UK-based) | Cybersecurity Scale-Up A fast-growing cybersecurity company is seekingSenior Offensive Security Engineers to strengthen their offensive security capabilities. The Role: - Conduct comprehensive penetration testing across web applications, infrastructure, APIs, and cloud environments - Perform manual...