5 Penetration Testing jobs in the United Kingdom

Penetration Testing Lead
Technology Banking
Hybrid (London (Moorgate) 3 days per week)
Salary & Package TBC

Opportunity for a skilled Cyber Security Professional with penetration testing and red team expertise to join a global financial services organisation. This is a hands-on role where you'll simulate advanced cyber attacks, test defences, and influence enterprise-level security strategy. This is a hands-on Lead role.

Key Responsibilities

• Lead red team operations , penetration testing, and ethical hacking engagements

• Plan and deliver cyber attack simulations, vulnerability assessments, and social engineering tests

• Work with SOC teams on purple team exercises to enhance detection and response

• Produce executive reporting on cyber threats, risks, and remediation progress

• Collaborate with security and infrastructure teams to strengthen overall cyber resilience

Skills & Experience

• 3+ years in penetration testing / ethical hacking / red teaming

• Strong understanding of cyber threats, APTs, threat actor tactics, and exploit development

• Familiar with SIEM, defensive security monitoring, incident response, and detection engineering

• Deep knowledge of network, web application, and enterprise architecture security

• Excellent communication skills to present cyber risk insights to stakeholders

Hybrid working model - 3 days in the London office. Competitive salary and benefits on offer.

Apply now to take on a high-impact role in cyber security, penetration testing, and ethical hacking at enterprise scale.

This role could suit individuals who have held the following role titles: Penetration Tester, Red Team Specialist, Ethical Hacker, Security Tester, Vulnerability Analyst, Offensive Security Specialist, Threat Intelligence Analyst.

Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate 1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn't right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.

Penetration Testing Lead
Technology Banking
Hybrid (London (Moorgate) 3 days per week)
Salary & Package TBC

Opportunity for a skilled Cyber Security Professional with penetration testing and red team expertise to join a global financial services organisation. This is a hands-on role where you'll simulate advanced cyber attacks, test defences, and influence enterprise-level security strategy. This i.

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Location: Belfast Hybrid (2 days in office / client site as required)

Type: Full-time | Flexible working hours | Hybrid

Applicants must be a UK or Irish citizen (or hold an equivalent status eligible for full UK security clearance) with 5 years of continuous UK address history.

Applicants will ideally be based in Northern Ireland (or can commute or relocate) to meet hybrid work and client site requirements. Sponsorship is not available.

Who we are:

Cyber Guarded Ltd is a long-established and independent cyber security company based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor - Cyber Essentials, we support clients across both public and private sectors.

As we continue to grow significantly, securing significant contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We are seeking skilled Penetration Testers who are either already Cyber Scheme Team Member (CSTM) or CREST Registered Penetration Tester (CRT) or have the technical ability and motivation to gain the above qualifications in the near future to achieve NCSC CHECK Penetration Testing status.

What You’ll Do:

• Perform infrastructure, web, cloud, and OT penetration testing
• Produce clear, actionable reports and remediation advice
• Engage with clients through the full testing lifecycle
• Contribute to tooling, methodology, and internal R&D

What We’re Looking For:

• Hands-on experience in professional penetration testing
• Either: Already hold CHECK Team Member or CHECK Lead status, or Have the technical depth and readiness to pursue the CSTM exam soon
• Hold a UKCSC Professional Registration Title of Practitioner, Principal or Chartered in the Security Testing Specialism.
• Strong working knowledge of networks, Linux/Windows, and web technologies
• Experience with tools such as Burp Suite, Metasploit, Kali Linux, and Nessus
• Excellent problem-solving, communication, and reporting skills

What We Offer

• Hybrid working – home-based with 2 days per week in our Belfast office or based on client site as needed for the duration of a penetration testing engagement.
• Flexible hours and a supportive, down-to-earth team culture.
• Monthly team lunches and quarterly team days out
• Comprehensive pension and sick pay
• 23 Leave days and 10 statutory public holidays each year
• Private Healthcare
• Annual Specsavers optical vouchers
• Exposure to a wide range of sectors, clients and technical environments.
• Ongoing support for professional development and certifications.
• Salary: up to £70,000 depending on experience and qualifications.

If you're looking to join a growing team delivering meaningful work across critical industries and want to make an impact without the bureaucracy, we’d love to hear from you.

Please note: only shortlisted applicants will be contacted.