penetration testing jobs in London

Jobs found: 372
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Sanderson Recruitment
London

Penetration Test Lead - Hands onRate - £400 - £500 Inside IR35Duration - 3 months initialLocation - Bristol (Once a month on site)We are seeking an experienced Pen Test Lead with strong, hands-on penetration testing expertise to lead and support a small internal testing function.This role combines technical delivery with day-to-day leadership, overseeing a team of three penetration testers....

9 hours ago
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Platform Recruitment
City of London

My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate Penetration Tester to join their growing team! Main Duties: - Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. - Exploitation and Reporting: Simulate...

No Experience
3 hours ago
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TieTalent
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...

15 hours ago
NetSPI
London

Senior Security Consultant (Cloud Penetration Testing - AWS) 5 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. NetSPI pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern pentesting. Combining world-class security professionals with AI and automation, NetSPI delivers clarity, speed, and scale across 50+...

2 hours ago
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Hamilton Barnes ?
London

This is an opportunity for an experienced penetration tester to step into a senior, people‐led role while still staying close to technical delivery. You'll take ownership of a security testing service line, managing senior testers, overseeing delivery quality, and acting as a trusted point of contact for clients. Working fully remotely, you'll have the autonomy to shape how the service operates,...

3 hours ago
LSEG
London

A leading financial services firm in London is searching for a Senior Penetration Tester to enhance security through rigorous assessments. The candidate should have hands-on experience in penetration testing and familiarity with tools like Burp Suite. Responsibilities include conducting tests on various systems, documenting findings, and collaborating with teams for improvements. Ideal candidates...

3 hours ago
Pursuu
London

A leading cybersecurity firm in Greater London is seeking a Security Testing Consultant to conduct various penetration tests and mentor junior team members. This role requires expertise in testing methodologies and the ability to communicate technical details to non-technical stakeholders. Candidates should have at least 5 years of testing experience and a strong understanding of OWASP...

Hybrid
3 hours ago
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Sapphire
London

Overview Ready to break things (ethically) and make the digital world safer? We’re on the hunt for a Penetration Tester to join our top-tier cyber team! This is an offensive security role that will challenge your day to day thinking... Responsibilities Penetration testing & red teaming across on-prem, cloud & hybrid Hack into AD, Entra ID (Azure AD), AWS, GCP, and more ️ Work with remediation...

Hybrid
3 hours ago
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Clifford Chance
London

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...

Hybrid
5 days ago
Ruptura InfoSecurity
London

A cybersecurity company in the United Kingdom is looking for a Penetration Tester to conduct penetration testing and adversary simulations. The role requires 6+ months of experience in cyber security with a focus on penetration testing and recognized certifications. Successful candidates will have strong communication skills and contribute to client engagement processes. This remote role offers...

Remote
3 hours ago
London Metal Exchange Limited
London

A leading financial exchange is looking for a Cyber Threat Specialist (Penetration Tester) in London. The role involves conducting penetration testing, supporting incident response, and maintaining security tools. Ideal candidates will have a degree in a STEM field, entry-level certifications, and knowledge of ethical hacking. Applicants should be proactive, have strong analytical skills, and a...

No Experience
3 hours ago
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Addition
London

We are looking to hire two Lead Penetration Testers with CTL Certification. This is a chance to join a well-established cybersecurity team that supports organisations across both public and private sectors. You'll play a key role in delivering high-quality penetration testing that helps clients stay secure in a fast-moving threat landscape. Role Overview Location: Remote with ad-hoc travel to...

3 hours ago
London Stock Exchange
London

A leading financial markets infrastructure provider in London seeks a Senior Penetration Tester to join their internal offensive security team. The successful candidate will conduct in-depth tests across various systems, document findings with actionable recommendations, and collaborate with teams to improve security. The role requires hands-on experience in penetration testing, proficiency in...

3 hours ago
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Starling Bank
London

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:...

Hybrid
a day ago
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Ncounter Limited
London

You will play a key role in shaping the technical approach, rather than simply delivering pre‐defined tests. Work will be based primarily out of SW sites or nearby Defence related sites, with an expectation of 2 to 3 days per week onsite. Key responsibilities include: Supporting confirmation of scope sessions and contributing to detailed Red Team test plans

2 hours ago
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penetration testing, London
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Experis
London

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...

a day ago
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Platform Recruitment
London

My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate Penetration Tester to join their growing team! Main Duties: - Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. - Exploitation and Reporting: Simulate...

No Experience
3 hours ago
Hamilton Barnes ?
London

You will manage a security testing service line and lead a team of testers, ensuring quality delivery while enjoying the benefits of fully remote work. This position offers the chance to shape operational standards, engage with clients, and support your professional development through certifications.

Remote
2 hours ago
NetSPI
London

A leading security consultancy in the United Kingdom is looking for a skilled Security Consultant II specializing in mobile application penetration testing. In this role, you will conduct thorough security assessments, identify vulnerabilities, and provide expert recommendations to strengthen client security postures. The ideal candidate has a Bachelor's degree, 2-3 years of experience in...

2 hours ago
Platform Recruitment
London

My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate Penetration Tester to join their growing team! Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. Security Recommendations: Provide actionable guidance to mitigate...

No Experience
9 hours ago
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