Senior Penetration Tester

Computacenter (UK) Ltd • Cardiff, Edinburgh, London, Milton Keynes, Nottingham, Reading, Salford

Cardiff, Edinburgh, London, Milton Keynes, Nottingham, Reading, Salford

214652-en_GB

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 Tester, you will join our dynamic Cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in systems, applications, and networks through a variety of penetration testing methodologies. Your expertise will play a critical role in strengthening our security posture and safeguarding our valuable assets from cyber threats.

We are keen to develop our own people and will look at individuals, you will be involved in so many business projects whilst working with passionate Cyber Security Professionals.

If you are looking for a team that offers development and flexibility look no further and apply today

What you'll do

A highly skilled and motivated Penetration Tester to join our dynamic cybersecurity team. In this role, you will be responsible for identifying vulnerabilities in our systems, applications, and networks through various penetration testing methodologies. You will play a critical role in strengthening our security posture and protecting our valuable assets from cyber threats. You will:

  • Conduct comprehensive penetration tests: Execute internal and external network penetration tests, web application penetration tests, mobile application penetration tests, API penetration tests, cloud security assessments, and social engineering simulations.
  • Vulnerability identification and analysis: Research, identify, and exploit security vulnerabilities in a variety of systems and applications.
  • Red/Purple/Blue Teaming: participate in exercises with the goal of increasing cyber resilience for both offensive and defensive.
  • Reporting and documentation: Prepare detailed and professional penetration test reports, including executive summaries, technical findings, risk ratings, and actionable recommendations for remediation.
  • Collaboration and communication: Work closely with development, operations, and security teams to communicate findings, explain risks, and provide guidance on remediation strategies.
  • Tooling and methodology enhancement: Continuously research and evaluate new penetration testing tools, techniques, and methodologies to improve testing efficiency and effectiveness.
  • Security awareness: Contribute to the development and delivery of security awareness training for internal staff.
  • Stay current: Keep abreast of the latest security threats, vulnerabilities, exploits, and industry best practices.
  • Threat modelling: Participate in threat modelling exercises to identify potential attack vectors and design flaws.
  • Ad-hoc security testing: Perform ad-hoc security assessments and provide expert advice on security-related matters as needed.

What you'll need

  • OSCP, PNPT or equivalent certification
  • At least three years’ experience working full-time as a penetration tester on the following areas as a minimum:
    • Infrastructure
    • Active Directory networks
    • Web Application penetration testing
    • Cloud security (Entra ID/Azure)
    • IoT
    • mobile
    • physical security / social engineering
  • Ability to develop custom tools, or adapt existing tooling for the task at hand
  • Demonstrable experience contributing to open-source tools
  • Bachelor’s degree in Cybersecurity, Information Technology, or a related field.

Why you should choose us

Open communication

Despite our size, we’re an open organisation that doesn’t hide behind hierarchy. We communicate regularly, openly and directly. For us, it’s about being straightforward, delivering and doing the right thing. Essentially, we’re people dealing with people.

Showing appreciation & having fun

Great performance is recognised, so too is the willingness to help others. Our Bravo! awards and Long Service Awards Scheme are just a taste of how we say thank you for a job well done. And when it comes to recognising success, we love to celebrate. Our company and team events are legendary!

Health & wellbeing

Our people are our greatest asset and we’re passionate about supporting you in feeling good and staying healthy. We offer a comprehensive Employee Assistance Programme, Wellbeing Champions, Mental Health First Aiders, Access to Work scheme, and more.

Inclusive workplace

People work best when they bring their whole selves to work, that’s why we see and value you as the amazing individual you truly are. We take a genuine interest you that extends beyond skills, knowledge, and experience. Our Employee Impact Groups champion best practice, celebrate diversity and promote inclusion within our industry.

Pension and financial security

Thinking ahead, planning for life’s uncertainties, or simply saving for a rainy day? We offer auto-enrolment onto our pension scheme, a Sharesave/SAYE scheme and more besides.

Flexible benefits

Do you fancy a new bicycle? Want to work-out at the gym? Or do you prefer to get-away from it all? With our voluntary flexible benefits platform, ‘My Benefits’, you can. Achieve savings with our Cycle2Work, GymFlex, Travel Insurance benefits and loads more.

You belong

You belong

At Computacenter, we celebrate difference and it’s important to us that we have a working culture where you can be free to be yourself; in an environment where you feel valued, respected, and supported to reach your full potential and experience a sense of belonging. Because we know when you thrive, we thrive.

As a proud equal opportunities employer, we’re committed to ensuring that there is fair and equal access to opportunities for everyone. Your application is considered on its merits regardless of your age, disability, ethnicity, gender identity, marital status, pregnancy, parenthood, religion or belief, sex or sexual orientation, veteran status, or any other characteristics protected by law. All that matters to us is that you share our vision and values, and you bring the experience and skills we need.

We are proud to be a Disability Confident Employer, a government scheme that helps employers attract, recruit, and retain disabled staff. We welcome applications from disabled people and accept applications in alternative formats – and guarantee to interview applicants who have a disability.

Winning Together

At Computacenter, we have been writing success stories for more than 40 years! Today, we’re driving digital transformation with over 20,000 employees worldwide. We develop IT strategies, implement new technologies and manage complex infrastructures.

As a proud, independent partner to some of the world’s leading technology providers, our portfolio covers workplace, applications & data, cloud & data center, security, and networking. What’s the secret of our success? Quite simply, it’s our people.

The people who bring their unique skills and perspectives to a diverse and inclusive environment that enables them to reach their full potential.

Winning Together

We are an award-winning employer!

Your working environment
Meet your recruiter
Annette Marshall

Annette Marshall