26 to 50 of 313 Red Team Jobs in the UK

FTSE 100 companies to critical infrastructure and government entities — they provide high-quality security testing and advisory services across various industries. This is an excellent opportunity to join a team that values your expertise, supports your growth, and offers the flexibility of remote working with the stimulation of varied engagements. Key Responsibilities: Conduct thorough penetration tests on infrastructure, networks … results presentations. Keep current with emerging threats, vulnerabilities, and tools in the offensive security landscape. Contribute to internal development of testing methodologies, tooling, and knowledge sharing. Experience with red teaming, threat simulation, or assumed breach testing. Scripting/automation with Python, Bash, or PowerShell. Previous consultancy or client-facing experience. Eligibility for or possession of UK Security Clearance More ❯

with hybrid working available post-probation) Salary: 45,000 - 60,000 + benefits Are you a skilled Penetration Tester looking to join a collaborative and mission-driven cyber security team? This Security Testing Consultant position offers the chance to deliver high-impact security assessments across web applications, infrastructure, cloud platforms, APIs, mobile, and wireless systems. You'll be part … of a close-knit team delivering trusted security testing and advisory services for clients across various industries. If you're passionate about offensive security and want to contribute to Red Team activities while supporting junior team members, this role is for you. What You'll Be Doing: Conduct web and mobile application assessments, plus API … high-quality technical reports and confidently present findings to clients. Support remediation efforts and provide client-facing consultancy. Help develop internal testing methodologies and contribute to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing experience. Strong understanding of OWASP, SSL/ More ❯

with hybrid working available post-probation) Salary: £45,000 - £60,000 + benefits Are you a skilled Penetration Tester looking to join a collaborative and mission-driven cyber security team? This Security Testing Consultant position offers the chance to deliver high-impact security assessments across web applications, infrastructure, cloud platforms, APIs, mobile, and wireless systems. You'll be part … of a close-knit team delivering trusted security testing and advisory services for clients across various industries. If you're passionate about offensive security and want to contribute to Red Team activities while supporting junior team members, this role is for you. What You'll Be Doing: Conduct web and mobile application assessments, plus API … high-quality technical reports and confidently present findings to clients. Support remediation efforts and provide client-facing consultancy. Help develop internal testing methodologies and contribute to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing experience. Strong understanding of OWASP, SSL/ More ❯

time/Permanent Remarkable Jobs are recruiting on behalf of a dynamic and growing cybersecurity organisation. We are seeking a Security Testing Consultant (Pen Tester) to join their expert team in London SE1. This is a fantastic opportunity for an experienced professional to take on a varied, high-impact role conducting in-depth security assessments across multiple platforms. Security … will play a vital role in identifying and mitigating vulnerabilities in client systems including applications, infrastructure, cloud platforms, APIs, and mobile technologies. You'll be part of a collaborative team, providing expert guidance and helping to ensure the highest standards of cybersecurity. Security Testing Consultant (Pen Tester) Key Responsibilities: Deliver penetration testing across web, cloud, mobile, and infrastructure Conduct … black box, grey box, and white box testing Produce detailed reports and deliver findings to clients Advise clients on remediation strategies and provide post-test support Support team knowledge sharing and mentor junior consultants Participate in Red Team activities and social engineering assessments Contribute to evolving internal processes and methodologies What They Are Looking For: Essential More ❯

security solutions across network, endpoint, cloud, and offensive security testing. Our mission: empower clients to expose and eliminate critical vulnerabilities before attackers do. We're expanding our offensive security team and need an experienced Penetration Tester to deliver high-impact, real-world security assessments that drive tangible improvements. The Role - What You'll Own You will simulate sophisticated cyberattacks … Your findings will guide clients to stronger, more resilient security postures. Lead internal and external penetration tests , including infrastructure, web, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Identify and safely exploit vulnerabilities to demonstrate real business impact . Deliver clear, actionable reports tailored … standards. Exceptional communicator who can translate complex technical issues for diverse audiences. Proven certifications like OSCP, eCPPT, CRTO, Crest CPSA/CRT , or equivalent. Bonus Points Red team, purple team, or adversary emulation experience. Programming/Scripting skills (Python, PowerShell, Bash). Cloud pentesting experience (AWS, Azure, GCP). Familiarity with threat modelling or risk-based More ❯

issues within customer infrastructure and web applications. Perform various types of security testing, including network penetration, web application, mobile security assessments, and social engineering. Participate in red team engagements, employing creative strategies to outsmart defenders. Explore various approaches to gain unauthorized access to customer networks during red team exercises. Perform security assessments in accordance More ❯

Summary: CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary This is more than just a job, we're looking for individuals with a hacker's mindset, deep technical expertise, and a relentless drive to … secure the UK's most critical assets. You will be leading engagements across secure environments, delivering high-impact assessments, mentoring team members, and shaping the offensive security direction of the business. In return, we offer a highly supportive environment with structured mentoring, paid training days, and access to advanced tooling. Main Duties & Responsibilities (other duties may be assigned): CCL … Solutions Group are more than just a leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK. As a Senior Penetration Tester within CCL Solutions Group, your key responsibilities will be: Lead and deliver end-to-end penetration testing engagements across infrastructure and More ❯

Senior Consultant - Cyber Security - Opus Recruitment Solutions Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll … play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of … offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous More ❯

months of hands-on penetration testing experience and a strong interest in developing advanced technical skills. This is a rare opportunity to join a highly skilled and diverse security team committed to continuous growth and excellence in the field of offensive security. Key Responsibilities: Conduct hands-on Web Application Penetration Testing Support and contribute to Infrastructure and Cloud Security … Assessments Be mentored and trained towards Adversarial Simulation , Red Team Operations , and other advanced offensive security techniques Write detailed, clear, and professional reports for technical and non-technical stakeholders Collaborate with a team of skilled professionals and contribute to knowledge sharing Requirements: Minimum 6 months of practical penetration testing experience (freelance, consultancy, or internal testing roles … AWS, Azure) from an offensive perspective Familiarity with tools such as Burp Suite, Nmap, Cobalt Strike, or custom scripts Understanding of MITRE ATT&CK framework or red team methodologies What You'll Gain: Intensive training across all areas of technical penetration testing Opportunity to work with and learn from a diverse, highly skilled security team Clear More ❯

months of hands-on penetration testing experience and a strong interest in developing advanced technical skills. This is a rare opportunity to join a highly skilled and diverse security team committed to continuous growth and excellence in the field of offensive security. Key Responsibilities: Conduct hands-on Web Application Penetration Testing Support and contribute to Infrastructure and Cloud Security … Assessments Be mentored and trained towards Adversarial Simulation , Red Team Operations , and other advanced offensive security techniques Write detailed, clear, and professional reports for technical and non-technical stakeholders Collaborate with a team of skilled professionals and contribute to knowledge sharing Requirements: Minimum 6 months of practical penetration testing experience (freelance, consultancy, or internal testing roles … AWS, Azure) from an offensive perspective Familiarity with tools such as Burp Suite, Nmap, Cobalt Strike, or custom scripts Understanding of MITRE ATT&CK framework or red team methodologies What You'll Gain: Intensive training across all areas of technical penetration testing Opportunity to work with and learn from a diverse, highly skilled security team Clear More ❯

and results-oriented Penetration Tester with at least 5 years of hands-on penetration testing experience. This is a rare opportunity to join a highly skilled and diverse security team committed to continuous growth and excellence in the field of offensive security. This role is office-based with occasional travel to client site. Key Responsibilities Lead internal and external … penetration tests, including web, mobile, infrastructure, wireless, cloud, and social engineering. Execute red team, purple team, and breach simulation exercises tailored to client maturity and objectives. Deliver detailed and actionable penetration testing reports Collaborate with clients to understand their specific security needs and present findings in a clear manner. Develop and maintain security testing methodologies and … eg, OWASP, NIST). Proficiency with industry-standard tools (eg, Burp Suite, Nmap, Metasploit, Kali Linux). Excellent written and verbal communication skills. OSCP is essential. Experience with red teaming or threat simulation exercises. Experience conducting code reviews. Scripting experience (eg, Python, Bash, PowerShell). Experience in cloud penetration testing (AWS, Azure, GCP). If you believe you More ❯

ASOS. Working closely with cyber teams, you'll identify security weaknesses, validate detection mechanisms, and provide actionable recommendations to enhance our security posture. You will contribute to the SOC team's continuous validation and improvement of security controls and detection capabilities. The role will involve the following Threat Hunting - Proactively searching for signs of malicious activity within the network … proactively identify and mitigate security risks. Endpoint Monitoring - Contributing to incident resolution and root cause analysis. Malware Analysis and Investigation Process and SOP Development Mentoring - Developing and mentoring junior team members, sharing knowledge across security and non-security teams to foster a cybersecurity culture. Threat Awareness - Maintaining awareness of real-world cyber threats and innovating new analytic methods for … Committed, and have signed the Business in the Community Race at Work Charter. We also ranked 8th in the Inclusive Top 50 Companies Employer list. Please let our Talent team know if you need adjustments during the application process. About You Practical experience in ethical hacking, penetration testing, and red team methodologies. Familiar with industry-recognized More ❯

re looking for an experienced Senior Penetration Tester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight-knit team of passionate ethical hackers tackling high-impact, real-world cyber threats across both government and commercial landscapes. What You’ll Be Doing: Lead and deliver hands-on penetration tests … outputs Collaborate with clients and provide expert guidance Feed into proposals and help shape strategic direction Continuously grow your technical and consulting skills What You’ll Need: ✔ NCSC CHECK Team Member status ✔ Solid UK penetration testing experience (ideally across varied environments) ✔ Technical depth in networks, systems, and application testing ✔ Strong communication and reporting skills ✔ A hacker mindset and the … -teaming including NCSC and CREST accredited schemes Why This Role? Tackle engagements you won’t find elsewhere — including national defence and critical infrastructure Join a collaborative, friendly team that supports your development Flexibility to work remotely or from offices in Leeds, London or Bristol Grow into leadership and shape how testing is delivered to top-tier clients More ❯

re looking for an experienced Senior Penetration Tester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight-knit team of passionate ethical hackers tackling high-impact, real-world cyber threats across both government and commercial landscapes. What You’ll Be Doing: Lead and deliver hands-on penetration tests … outputs Collaborate with clients and provide expert guidance Feed into proposals and help shape strategic direction Continuously grow your technical and consulting skills What You’ll Need: ✔ NCSC CHECK Team Member status ✔ Solid UK penetration testing experience (ideally across varied environments) ✔ Technical depth in networks, systems, and application testing ✔ Strong communication and reporting skills ✔ A hacker mindset and the … -teaming including NCSC and CREST accredited schemes Why This Role? 🔥 Tackle engagements you won’t find elsewhere — including national defence and critical infrastructure 🤝 Join a collaborative, friendly team that supports your development 🌐 Flexibility to work remotely or from offices in Leeds, London or Bristol 📈 Grow into leadership and shape how testing is delivered to top-tier clients More ❯

expectations when needed. Requirements: Minimum 4 years of penetration testing experience CREST CRT and CPSA certified (preferred) Other Security certifications: OSCP, OSWP, HTB, CBBH, CISSP (Bonus) Red Team experience (Bonus) Strong knowledge of OWASP Top 10, MITRE ATT&CK, CVSS, and secure coding practices Strong scripting and automation skills using Python, PowerShell, or Bash Experience with both … a fast-paced consulting environment Recommended Qualifications: Experience with cloud security testing (AWS, Azure, GCP) Knowledge of DevSecOps or CI/CD integration with security tools Familiarity with red teaming, adversary emulation, or purple teaming Involvement in bug bounty programs or CTFs #J-18808-Ljbffr More ❯

Community Race at Work Charter. We placed 8th in the Inclusive Top 50 Companies Employer list. Everyone needs some help showing up as their best self. Let our Talent team know if you need any adjustments throughout the process in whatever way works best for you. Job Description The Details ASOS is recruiting for an Offensive Security Specialist within … Working closely with the cyber teams, you'll identify security weaknesses, validate detection mechanisms, and provide actionable recommendations to enhance our security posture. You'll contribute to the SOC team's continuous validation and improvement of security controls and detection capabilities. The role will involve the following: Threat Hunting - Proactively searching for signs of malicious activity within the network … and mitigate security risks. Endpoint monitoring, contributing to incidents through to resolution and root cause analysis. Malware Analysis and investigation. Contributing to processes and SOPs. Developing and mentoring junior team members to improve their skills and capabilities, along with wider knowledge transfer to other security and non-security teams to help build a culture of cybersecurity in departments. Maintaining More ❯

In return, we will provide some of the UK's most unique government and commercial engagements for you to develop your skills, along with a friendly, passionate team. The Team The KPMG's Cyber Defence (CDS) Team conducts client-facing technical assurance and penetration testing. Our clients are diverse, with specialisms in Financial Services, Defence, and Telecommunications. We … work closely with the NCSC and are members of current testing schemes, conducting challenging work not available elsewhere. Our team is located in Leeds, Bristol, and London, offering flexibility and remote working options. Responsibilities This senior role requires your business acumen and technical hacking skills. You should have ideas for business growth and be skilled in security testing delivery. … experience Threat intelligence experience Application testing experience Qualifications and Skills Qualifications are helpful but not mandatory. We value diverse backgrounds and the hacker mindset. Formal requirements include: NCSC CHECK Team Member UK Government Security Clearance (SC required, DV advantageous) We seek passionate individuals eager to help clients with cybersecurity challenges and committed to your career development within KPMG. #J More ❯

financial services company in multiple countries, and we serve hundreds of financial institutions globally such as broker-dealers, investment advisors, hedge funds, and crypto exchanges. Alpaca's globally distributed team members bring in diverse experiences such as engineers, traders, and brokerage professionals to achieve our Mission of opening financial services to everyone on the planet. We are also deeply … committed to open-source contributions and fostering a vibrant community. We will continue to enhance and improve our award-winning developer-friendly API and the infrastructure behind it. Our Team Members: We're a team of 150+ globally distributed members who love working from our favorite places worldwide. Our team spans the USA, Canada, Japan, Hungary, Nigeria … understanding of Cybersecurity principles, incident response, cloud security, offensive security, and proactive threat detection with a proven track record of managing security risks and cross functional collaboration. The Security Team is 100% distributed and remote. This role will be reporting directly to the CISO. Things You Get To Do: Lead and triage security events including potential security incidents, insider More ❯

you’ll simulate cyberattacks on client environments—testing networks, apps, cloud platforms, and more—to expose weaknesses and recommend fixes. You’ll work on red/purple team engagements, social engineering tests, and cloud security assessments, delivering high-impact reports that drive real security improvements. What You’ll Do: Perform infrastructure, web app, wireless, and cloud penetration … tests Execute red team simulations and assumed breach scenarios Craft clear, actionable reports for both technical and executive audiences Stay ahead of emerging threats, exploits, and attack techniques Collaborate with cyber, managed services, and compliance teams Skills You’ll Need: 2–5+ years in penetration testing (network, web, cloud, etc.) Mastery of tools like Burp Suite, Metasploit … communication skills (you’ll explain risks to both tech & non-tech stakeholders) Certifications like OSCP, eCPPT, CREST CPSA/CRT, or similar Bonus if you have: Red team/purple team experience Scripting skills (Python, PowerShell, Bash) Cloud pentesting (AWS/Azure/GCP) Advanced certs (OSCE, OSWE, CREST CRT, etc. More ❯

complex research challenges Strong communication and collaboration skills to effectively work with cross-functional teams and translate research requirements into technical solutions Experience in recruiting, mentoring, and guiding junior team members is preferred Based in London, with the ability to travel periodically to our offices in NYC and Zug, Switzerland Are you keen to work in a well-resourced … job alerts for “Research Engineer” roles. Quantum Algorithms Scientist - Optimization London, England, United Kingdom 1 week ago London, England, United Kingdom 1 week ago Research Scientist - Generative AI Red Teaming (London or Paris) London, England, United Kingdom 2 weeks ago Fundamental AI Research, Dubbing - Research Scientist London, England, United Kingdom 2 weeks ago Research Scientist, Quantum Chemistry and More ❯

Cyber Security Consultancy, is looking for an experienced Mobile Application Penetration Tester to join their Offensive Security function. Our client offers a range of penetration testing services, including red teaming engagements, providing opportunities to work on diverse client projects and lead engagements from the forefront. Key Responsibilities: Conduct mobile application penetration testing across Android and iOS platforms, assessing … security vulnerabilities. Engage in red teaming exercises to simulate real-world attack scenarios against enterprise applications. Evaluate API security, network communications, cryptographic implementations, and mobile backend security. Perform manual and automated exploitation, including tampering, code injection, authentication bypass, and malware analysis. Utilize industry-leading tools such as Burp Suite, MobSF, Frida, Objection, IDA Pro, and other mobile security More ❯

and Purple teams, and you're always looking for ways to innovate and improve processes. You're hands-on, adaptable, and ready to make a real impact. About The Team: Our cybersecurity team is responsible for protecting the organisation's digital environment through a blend of defensive operations (Blue Team), offensive simulations (Red Team), and strategic development (Purple Team). We collaborate across disciplines to maintain a high security posture while also building a culture of continuous improvement. As part of the team, you'll gain exposure to a wide range of disciplines while working on practical solutions that support our operations. We value initiative, teamwork, and a desire to grow … outcomes Participate in internal security projects with guidance from senior staff Engage with platform and infrastructure teams to align technical improvements Provide mentoring support to placement students or junior team members when required Functional internal tools/scripts that support security workflows Documented improvements to existing security processes Contribution to research and development for new capabilities Clear project documentation More ❯

and Purple teams, and you’re always looking for ways to innovate and improve processes. You’re hands-on, adaptable, and ready to make a real impact. About The Team: Our cybersecurity team is responsible for protecting the organisation’s digital environment through a blend of defensive operations (Blue Team), offensive simulations (Red Team), and strategic development (Purple Team). We collaborate across disciplines to maintain a high security posture while also building a culture of continuous improvement. As part of the team, you’ll gain exposure to a wide range of disciplines while working on practical solutions that support our operations. We value initiative, teamwork, and a desire to grow … outcomes Participate in internal security projects with guidance from senior staff Engage with platform and infrastructure teams to align technical improvements Provide mentoring support to placement students or junior team members when required Functional internal tools/scripts that support security workflows Documented improvements to existing security processes Contribution to research and development for new capabilities Clear project documentation More ❯

Overview Bulletproof is growing our Information Security consultancy team and is looking for an ISO27001 subject matter expert with experience of delivering consultancy around all the topic, including gap analysis, audits, implementations projects and ad hoc Information Security queries, to a wide variety of customers. You should have an excellent understanding of ISO27001 with knowledge on other Information Security … to be part of an exciting and fast-growing security company who has engineered its own innovative products from the ground up. We want to bring someone into the team to help find new ways to globally share our vision to use technology and most importantly talented people to solve businesses most difficult security challenges. Responsibilities Being a subject … guidance. Reviewing and writing client Information Security documentation Keeping careful logs of client interactions Delivery of Information Security awareness training and incident response tabletops to customers Supporting the Sales Team on scoping calls Support marketing activities where required e.g., writing content. Contribute to the development and improvement of the Bulletproof Information Security documentation set. Recognise and manage upsell opportunities More ❯

to this rapidly growing problem. We've raised $4M from an excellent group of investors, released our first product offering: Mindgard AI Security Labs, and continue to build a team of engineers to join us on our journey. We're seeking a Research Scientist to join our R&D team, who is passionate about working on practical security … adversarial ML attacks and detection techniques. Work and collaborate with the R&D and engineering teams to push/translate adversarial ML techniques into production software for AI red teaming. Uncover ML security threats, analyze data and discover feature commonality. Engage in research collaboration, publications, and conference attendance. Keep the company updated on state-of-the-art research … encourage you to apply as you might just be the candidate we hire. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal More ❯