Senior Penetration Tester

FSP Consulting Services Limited; England; On-site; GBP 60,000 - 85,000; Full time

Benefits offered by this job

Hybrid working

Industry-leading coaching and mentoring

Competitive salary and excellent benefits package

Job summary

A leading cybersecurity consultancy in the UK is seeking a skilled Senior Penetration Tester to join their Cyber Security practice. The role involves leading penetration testing engagements, providing technical advice on security technologies, and contributing to innovative cybersecurity solutions. Candidates should have at least 2 years of experience in penetration testing, strong programming skills, and a commitment to quality and teamwork. The company offers a hybrid working model and excellent benefits.

Qualifications

• At least 2 years direct experience in penetration testing or vulnerability research.
• Strong knowledge of programming languages like C/C++, C#, Java, and Python.
• Ability to develop custom scripts, exploits, and tools.

Responsibilities

• Lead penetration testing engagements.
• Support your team to deliver high impact technical projects.
• Provide technical advice on security technology including network and application security.

Skills

Penetration testing

Vulnerability research

C/C++

C#

Java

Python

Scripting

Web application testing

Infrastructure testing

Job description

Role Overview

We have an exciting opportunity for a Senior Penetration Tester to join our thriving Cyber Security practice. We are seeking a skilled individual, with expertise in penetration testing or vulnerability research, who can contribute to the development of innovative solutions and security outcomes to safeguard both our clients and our own organisation.

Responsibilities

• Support your team to deliver high impact technical projects to customers
• Lead penetration testing engagements
• Provide technical advice on all areas of security technology / technologies including:
• Network security
• Platform security
• Authentication systems
• 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?

• 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 we welcome applications from all suitable candidates. We consider all applicants for employment regardless of age, disability, sexual orientation, gender identity, family or parental status, race, colour, nationality, ethnic or national origin, religion or belief.

Research suggests that applicants from under‑represented groups are less likely to apply for roles if they do not precisely meet requirements, or if they felt there were clear barriers as to who should apply. If you are excited about a potential role with us but are concerned that you may not be a perfect fit, please do apply, as you may be the ideal candidate for this role or for a different vacancy within FSP.

We endeavour to always provide fair opportunity for applicants to showcase themselves in the best way possible during any interviews or meetings. If you require any adjustments for a call or in‑person meeting, please let us know.