Senior Penetration Tester

FSP; Glasgow; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

FSP is seeking a capable penetration tester in the United Kingdom to support high-impact security projects for diverse customers. You will assess security across web, network, and infrastructure layers, triage findings, and contribute to vulnerability research and tooling development.

The role requires at least 2 years in pentesting or vulnerability research, strong coding skills (C/C++, C#, Java, Python), and the ability to script and build custom tools.

Qualifications

• At least 2 years direct experience in penetration testing or vulnerability research.
• Skilled in programming languages (C/C++, C#, Java, Python).
• Experienced in scripting to develop custom scripts, exploits, and tools.
• Strong knowledge of both web application and infrastructure testing.

Responsibilities

• Support your team to deliver high impact technical projects to customers.
• Provide technical advice on security technologies including network, platform, and application security.
• Analyse, triage, report and prioritise findings to internal teams, customers, vendors and security teams.
• Design, develop and maintain tools and techniques for adversarial simulation, vulnerability research, and exploit development.
• Contribute to the development of internal and external cybersecurity strategy, policy, standards, and frameworks.

Skills

C/C++

C#

Java

Python

Job description

Responsibilities

• Support your team to deliver high impact technical projects to customers
• Provide technical advice on all areas of security technology /technologies including:
• Network security
• Platform security
• Application security
• Security architecture
• Analyse, triage, report and prioritise findings to internal teams, customers, vendors and security teams.
• Design, develop and maintain tools and techniques for adversarial simulation, vulnerability research, and exploit development.
• Contribute to the development of internal and external cybersecurity strategy, policy, standards, and frameworks.

About you

• Possess at least 2 years direct experience in penetration testing or vulnerability research
• Skilled in relevant programming languages (C/C++, C#, Java, Python)
• Experienced in scripting with the ability to develop custom scripts, exploits, and tools.
• Strong knowledge of both web application and infrastructure testing

What we look for in our people

• Strong alignment with FSP values and ethos
• Commitment to teamwork, quality and mutual success
• Proactivity with an ability to operate with pace and energy
• Strong communication and interpersonal skills
• Dedication to excellence and quality

Who are FSP?

FSP is a leading consultancy specialising in Digital, Security and AI solutions. Our success is enabled by our unwavering commitment to excellence, our people centric culture alongside best-in-class operations, ensuring impactful and sustainable outcomes for our clients.

As a long standing and highly accredited Microsoft Partner, with extensive solution designations, we partner with clients across a range of commercial sectors, enabling digital transformation, innovation and robust cyber security.

We navigate the complexities of data sensitivity, confidentiality, governance and compliance. We blend strategic insight, depth of technical expertise, delivery and operational excellence to meet the specific requirements outlined.

We take a collaborative, one team approach with our clients to drive sustainable change, providing outstanding client experience and delivering exceptional results that are aligned with business priorities.

Our commitment to security and quality is reinforced by our ISO27001 and ISO9001 certifications (UKAS), as well as our CREST approved penetration testing and SOC capabilities. Additionally, we are an IASME Cyber Essentials Certification Body and Cyber Essentials Plus certified.

Find out more about our accolades here: https://fsp.co/about-fsp/

Why work for FSP?

At FSP, we are committed to providing:

• A collaborative and supportive environment in which you can grow and develop your career
• The tools and opportunity to do work you can be proud of
• A chance to work alongside some of the best people in the industry, who always seek to share their knowledge and experience
• Hybrid working - we empower you to make smart choices about when and where to work to achieve great results
• Industry leading coaching and mentoring
• Competitive salary and an excellent benefits package

Equal and Fair Opportunity

FSP is an equal opportunity employer and welcomes applications from all suitably qualified candidates. We assess applicants based on their skills, experience, and potential, without regard to age, disability, sexual orientation, gender identity, family or parental status, race, colour, nationality, ethnic or national origin, religion or belief, or any other protected characteristic.

Please note that visa sponsorship is available for some roles, subject to eligibility and business requirements.

Research indicates that individuals from underrepresented groups may be less likely to apply where they feel they do not meet every requirement, or where there is uncertainty about who a role is intended for. If you are interested in a role with us but are concerned that you may not meet all the criteria, we encourage you to apply. You may be a strong candidate for this role or for other opportunities within FSP.

We are committed to providing a fair and inclusive recruitment process. If you require any reasonable adjustments to participate fully in an interview or meeting (whether virtual or in person), please let us know.