1 to 25 of 157 Red Team Jobs in the UK excluding London

Bash, Python, PowerShell). Experience with web security (HTTP, API security, web scraping, DOM manipulation). Knowledge of AI security risks, including prompt injection, adversarial attacks, and AI red teaming. Deep understanding of networking protocols, OS security, and web application security. Cloud security expertise (AWS, Azure, Kubernetes, Terraform, CI/CD security) Proficiency in English: advanced (C1) or … connection, time available and enthusiasm to take on a challenge. Preferred Skills: Hands-on experience with penetration testing tools (Metasploit, Burp Suite, Nessus, Nmap). Experience in AI red teaming, adversarial ML, LLM security testing. Knowledge of OWASP Top Ten, MITRE ATT&CK, and other security frameworks. Relevant security certifications (OSCP, CEH, CISSP, OSWE, API Security Architect). More ❯

Bash, Python, PowerShell). Experience with web security (HTTP, API security, web scraping, DOM manipulation). Knowledge of AI security risks, including prompt injection, adversarial attacks, and AI red teaming. Deep understanding of networking protocols, OS security, and web application security. Cloud security expertise (AWS, Azure, Kubernetes, Terraform, CI/CD security). Proficiency in English: advanced (C1 … connection, time available and enthusiasm to take on a challenge. Preferred Skills: Hands-on experience with penetration testing tools (Metasploit, Burp Suite, Nessus, Nmap). Experience in AI red teaming, adversarial ML, LLM security testing. Knowledge of OWASP Top Ten, MITRE ATT&CK, and other security frameworks. Relevant security certifications (OSCP, CEH, CISSP, OSWE, API Security Architect). More ❯

Bash, Python, PowerShell). Experience with web security (HTTP, API security, web scraping, DOM manipulation). Knowledge of AI security risks, including prompt injection, adversarial attacks, and AI red teaming. Deep understanding of networking protocols, OS security, and web application security. Cloud security expertise (AWS, Azure, Kubernetes, Terraform, CI/CD security) Proficiency in English: advanced (C1) or … connection, time available and enthusiasm to take on a challenge. Preferred Skills: Hands-on experience with penetration testing tools (Metasploit, Burp Suite, Nessus, Nmap). Experience in AI red teaming, adversarial ML, LLM security testing. Knowledge of OWASP Top Ten, MITRE ATT&CK, and other security frameworks. Relevant security certifications (OSCP, CEH, CISSP, OSWE, API Security Architect). More ❯

at SITA 2 days ago Be among the first 25 applicants Join to apply for the Lead Penetration Tester role at SITA Overview WELCOME TO SITA We're the team that keeps airports moving, airlines flying smoothly, and borders open. Our tech and communication innovations are the secret behind the success of the world's air travel industry. You … Security Assessment Exploitation Techniques Vulnerability Analysis Security pen-testing tool mastery Threat Modeling Network & Active Directory Security Testing Application Security Testing Privilege Escalation Post-Exploitation Techniques Red Team Operations Security Standards & Compliance Incident Simulation & Reporting Scripting & Automation Risk-Based Assessment Security Advisory Research & Innovation Technical Writing & Documentation CORE COMPETENCIES Collaboration & Teamwork Ethics & Professional Integrity Analytical & Critical Thinking … Our offices are comfortable and fun places to work, and we make sure you get to work from home too. Find out what it's like to join our team and take a step closer to your best life ever. Flex Week: Work from home up to 2 days/week (depending on your team's needs) Flex More ❯

talented testers. In return we will provide some of the UK's most unique government and commercial engagements for you to cut your teeth on and a friendly, passionate team to develop and grow. The Team The KPMG's Cyber Defence (CDS) Team conducts client facing technical assurance and penetration testing and has a long and successful … stage-2 ) and are members of all current NCSC and CREST testing schemes - as a result we conduct interesting and challenging work that isn't on offer elsewhere. Our team is made up of skilled individuals at different stages in their careers, centred around three locations in Leeds, Bristol and London, therefore we are able to offer flexibility in … Development experience • Threat Intelligence experience • Application testing experience Qualifications and Skills Qualifications are a good way to demonstrate knowledge but are not the be all and end all, our team is made up of a large number of individuals with diverse backgrounds who all share the "hacker mindset". If you have the experience then we want you to More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

ready to make an impact in the fast-paced world of cybersecurity? Cognisys is growing rapidly, and we’re looking for a Penetration Tester (Principal Consultant) to join our team during this exciting period of innovation and expansion. Cognisys is a leading cybersecurity company specialising in Penetration Testing, GRC Consulting, and Managed Security services. We pride ourselves on our … customer service, forward-thinking approach, and commitment to excellence. Our small but mighty team works with some of the best-known companies in the world and covers over 30 countries worldwide! About the Role As a Penetration Tester (Principal Consultant), you will be key in driving commercial success, managing high-performing teams, and delivering cutting-edge offensive security projects. … teaming and cloud security, coupled with a passion for business growth and client engagement. If you are a seasoned cybersecurity professional with a passion for offensive security, team leadership, and business growth, we want to hear from you! Key Responsibilities: Commercial & Client Engagement: Act as a primary technical contact for key accounts, ensuring strong client relationships and More ❯

Work across the full spectrum of penetration testing and red teaming Contribute to client relationships and leading high-level engagements Scoping and delivering advanced red team assessments Mentoring more junior team members Supporting innovation through offensive security research Required Skills/Qualifications: Minimum 7 years of penetration testing experience, with at least 4 years … in red teaming Strong hands-on background across a range of testing disciplines, including networks, infrastructure, applications, and cloud Comfortable in client-facing roles with strong communication skills Deep understanding of adversary simulation, lateral movement, and offensive tooling Capable of producing clear, actionable reports for both technical and executive stakeholders Desirable skills: Certifications such as OSCP, CREST, CHECK More ❯

Consultant, you'll be at the forefront of our efforts to identify and remediate vulnerabilities across diverse environments. Your core responsibilities will include: Conducting advanced penetration testing and red teaming exercises across on-premises infrastructures, cloud platforms (AWS, Azure, GCP), and intricate hybrid environments. You'll simulate real-world attacks to uncover critical weaknesses. Exploiting vulnerabilities in key … our security tools and testing methodologies . You'll help shape the future of our offensive security capabilities. Fostering a culture of collaboration and knowledge sharing within a supportive team environment, where continuous learning and professional growth are highly encouraged. What We're Looking For: We're searching for individuals who possess a strong foundation in offensive security and … a proactive mindset. Ideal candidates will demonstrate: Proven hands-on experience in offensive security , including a track record of successful penetration tests and red team engagements. In-depth knowledge of Active Directory and major cloud platforms (AWS, Azure, GCP), encompassing their security configurations, common vulnerabilities, and exploitation techniques. A strong sense of curiosity and a commitment to More ❯