1 to 25 of 42 Red Team Jobs in the UK excluding London

Offensive Security Tester (Red Team) London/WFH to £70k Opportunity to progress your career as an Offensive Security Tester at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; you'll be working on Greenfield projects, collaborating with and learning from a hugely talented team. Your role: As … as carrying out manual reviews to discover any issues with customer infrastructure and web applications. You'll be pro-active and will have the opportunity within Red Team testing to try anything and everything to outmanoeuvre the defenders and gain access to customer networks. WFH Policy: There's a remote interview/onboarding process and the ability … tier world university - Computer Science, Engineering, Physics or Mathematics; MSc or PhD advantageous You're OSCP or CRT certified You have commercial experience with Offensive Security, Red Team testing or Penetration testing You have a keen interest in Cyber Security and understanding of key concepts and protocols You can code with any OO programming language (e.g. Python More ❯

sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their cyber capability and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across … web applications, networks, APIs, and mobile platforms. You’ll identify and document vulnerabilities, support red team operations, and collaborate with development and infrastructure teams to ensure effective remediation and security improvements. Key responsibilities include: Conducting penetration tests and vulnerability assessments across multiple environments Performing red team and threat simulation exercises Producing detailed reports outlining … us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Penetration Tester, Ethical Hacker, Red Team, Cyber Security, OWASP, MITRE ATT&CK, Vulnerability Assessment, OSCP, GPEN, CEH, CRTP, SC Cleared, NSD More ❯

sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their cyber capability and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across … web applications, networks, APIs, and mobile platforms. You’ll identify and document vulnerabilities, support red team operations, and collaborate with development and infrastructure teams to ensure effective remediation and security improvements. Key responsibilities include: Conducting penetration tests and vulnerability assessments across multiple environments Performing red team and threat simulation exercises Producing detailed reports outlining … us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: Penetration Tester, Ethical Hacker, Red Team, Cyber Security, OWASP, MITRE ATT&CK, Vulnerability Assessment, OSCP, GPEN, CEH, CRTP, SC Cleared, NSD More ❯

Role: Red Team Operator Rate: TBC Location: London, City. Contract length: 5 months -> Perm Conversion Requirements: 3+ years of experience in offensive security, including red teaming and penetration testing Strong understanding of the MITRE ATT&CK framework and threat emulation methodologies Proficiency in offensive tools (Cobalt Strike, Sliver, Metasploit, etc.) and custom payload development Experience More ❯

Overview: The UKRI CIO Group plays a pivotal role in managing and optimising the organisationscritical enterprise technical services that underpin and enable UKRIs business capabilities. Within the group a team of Information Security Professionals support the delivery of modern, secure, resilient and scalable services across a larger federated team of Digital, Data and Technology professionals to deliver impact … intelligence in a dynamic, fast-paced security operational and strategic role in an organisation at the heart of research and innovation in the UK. Leading the Red Team of penetration testers your broad remit is toidentify real-world risks to diverse technical landscapes, uncovering security vulnerabilities, actively exploiting findings, assessing additional impacts through post-exploitation, and providing … submission. Candidates not meeting this level of clearance will not be considered. The level of clearance required issecurity check Key Responsibilities: Execute targeted penetration tests and red team exercises to identify exploitable vulnerabilities. Develop and maintain offensive tooling to simulate adversary tactics and techniques. Monitor and analyse threat intelligence feeds to identify emerging threats and relevant TTPs. More ❯

UKRI CIO Group plays a pivotal role in managing and optimising the organisations critical enterprise technical services that underpin and enable UKRI's business capabilities. Within the group a team of Information Security Professionals support the delivery of modern, secure, resilient and scalable services across a larger federated team of Digital, Data and Technology professionals to deliver impact … intelligence in a dynamic, fast-paced security operational and strategic role in an organisation at the heart of research and innovation in the UK. Leading the Red Team of penetration testers your broad remit is to identify real-world risks to diverse technical landscapes, uncovering security vulnerabilities, actively exploiting findings, assessing additional impacts through post-exploitation, and … Candidates not meeting this level of clearance will not be considered. The level of clearance required is security check Key Responsibilities: Execute targeted penetration tests and red team exercises to identify exploitable vulnerabilities. Develop and maintain offensive tooling to simulate adversary tactics and techniques. Monitor and analyse threat intelligence feeds to identify emerging threats and relevant TTPs. More ❯

What We Are Looking For As a Red Team Specialist focused on GenAI models, you will play a critical role in safeguarding the security and integrity of commercial cutting-edge AI technologies. Your primary responsibility will be to analyze and test commercial GenAI systems including, but not limited to, language models, image generation models, and related infrastructure. … to design and implement effective risk mitigation strategies that enhance model resilience. Apply innovative testing methodologies to ensure state-of-the-art security practices. Document all red team activities, findings, and recommendations with precision and clarity. Must-Have Proven track record in AI vulnerability analysis. Strong understanding of AI technologies and underlying architectures, especially generative models and More ❯

published on job boards from below onwards The Role Were looking for Security Consultant/Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results … APIs Cloud Security, Thick Client application, wireless, social engineering, physical penetration testing. Execute penetration testing projects using the established methodology, tools and rules of engagements. Execute red team assessments to highlight gaps impacting organizations security postures. Identify and exploit security vulnerabilities in a wide array of systems in a variety of situations. Perform in-depth analysis of … vulnerability assessment and penetration testing. Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition) Proficient Pen Testing Tools - Cobalt Strike, Caldera, Atomic Red team, Pentera, Nessus, Burp, OSINT etc. Good understanding of software testing methodologies and techniques Experience with manual and automated testing tools Good problem-solving and debugging skills Ability to write More ❯

application, APIs, cloud security, thick client applications, wireless, social engineering, and physical security. * Execute penetration testing projects using established methodology, tools, and rules of engagement. * Conduct red team assessments to identify gaps affecting organisational security posture. * Identify and exploit security vulnerabilities across a variety of systems. * Analyse penetration testing results and produce comprehensive reports with findings, risks … Utilise tools such as BurpSuite, Nessus, Nmap, Kali Linux, and other vulnerability assessment platforms. Essential Skills & Experience * Proficiency with penetration testing tools: Cobalt Strike, Caldera, Atomic Red Team, Pentera, Nessus, Burp, OSINT, etc. * Strong understanding of software testing methodologies and techniques. * Experience with manual and automated testing tools. * Excellent problem-solving and debugging skills. * Ability to write More ❯

within agreed scope and deadlines. Perform comprehensive penetration testing across networks, web applications, APIs, cloud security, thick client applications, wireless, social engineering, and physical environments. Execute red team assessments to highlight gaps impacting organizational security postures. Identify and exploit security vulnerabilities in a wide array of systems and scenarios. Conduct in-depth analysis of penetration testing results … Top 25 vulnerabilities and communicate methodologies with development teams. Skills, Experience, and Abilities Required: Essential: Proficient with pen testing tools such as Cobalt Strike, Caldera, Atomic Red Team, Pentera, Nessus, Burp, OSINT . Solid understanding of software testing methodologies and techniques . Experience with both manual and automated testing tools . Excellent problem-solving and debugging skills More ❯

Threat Intelligence Analyst for a leading global banking organisation with an advanced cyber defence function in London. This is a fantastic opportunity to shape threat intelligence, work alongside Red/Blue Teams, and operationalise intelligence using the latest cybersecurity … penetration testing, and Breach & Attack Simulation (BAS) platforms. Key Responsibilities: Monitor and analyse global cyber threat landscapes, identifying threats, adversary tactics, and emerging risks Collaborate with Red Team, Blue Team, and Penetration Testing specialists to integrate intelligence into Breach & Attack Simulation (BAS) scenarios Act as a point of contact between threat intelligence, Red/… incident response, providing context, attributions, and support as required Required Skills & Experience: Extensive experience in threat intelligence, cybersecurity operations, or penetration testing Proven ability to work collaboratively with Red/Blue teams and Security Operations Centres (SOC) Hands-on experience with TIPs (Threat Intelligence Platforms), SIEM tools, and threat data enrichment solutions Practical exposure to Breach & Attack Simulation More ❯

Oversee end-to-end testing, from scoping and planning to full-scale execution. Operate independently and collaboratively with other senior and junior operators. Participate in advanced Red Team exercises, remaining undetected by XDR/IDS/IPS/EDR systems. Conduct physical security assessments, including covert access operations. Qualifications & Skills: 5 - 10 years of experience in hands … on penetration testing/red teaming/Offensive Security operations with consulting/client-facing experience. Experience as a CHECK Team Lead. Proficiency in scripting and programming languages such as Python, Ruby, C#, etc. in source code review or automation experience. Desirable: Relevant certifications like OSCP, OSWE, GCPN and others are a great plus. Experience running end More ❯

Oversee end-to-end testing, from scoping and planning to full-scale execution. Operate independently and collaboratively with other senior and junior operators. Participate in advanced Red Team exercises, remaining undetected by XDR/IDS/IPS/EDR systems. Conduct physical security assessments, including covert access operations. Qualifications & Skills: 5 - 10 years of experience in hands … on penetration testing/red teaming/Offensive Security operations with consulting/client-facing experience. Experience as a CHECK Team Lead. Proficiency in scripting and programming languages such as Python, Ruby, C#, etc. in source code review or automation experience. Desirable: Relevant certifications like OSCP, OSWE, GCPN and others are a great plus. Experience running end More ❯

Full-Time My client is a dynamic and growing cybersecurity consultancy dedicated to providing top-tier security services to a diverse range of clients. They believe in empowering the team with the flexibility of remote work while tackling challenging and engaging projects that make a real difference to their clients' security posture. The Role We are seeking a highly … and provide pragmatic remediation advice to clients. Key Responsibilities Plan, lead, and execute sophisticated penetration tests across infrastructure, web applications, APIs, and internal networks. Conduct advanced Red Team exercises to simulate real-world adversary attacks and test organisational defences. Produce high-quality, clear, and concise reports for both technical and executive audiences, detailing findings, risks, and actionable … remediation strategies. Mentor and provide guidance to junior members of the team, promoting best practices and knowledge sharing. Collaborate with clients to scope engagements, present findings, and provide expert advice on mitigating identified vulnerabilities. Stay abreast of the latest security vulnerabilities, attack vectors, tools, and methodologies. Contribute to the continuous improvement of our testing methodologies and service offerings. Essential More ❯

Responsibilities of the Senior ICS OT Cyber Security Engineer: Design and secure OT/ICS networks and cross-domain communications. Conduct threat modelling, vulnerability assessments, and red team exercises. Implement cybersecurity solutions, audit systems, and ensure compliance with relevant frameworks. Mentor junior team members and support project delivery. Maintain strong client and stakeholder relationships. Key Requirements More ❯

offensive experts to invent new TTPs and attack modern infrastructure Researching cutting-edge attack vectors across cloud, SaaS, web stacks, and internet-exposed infrastructure Partnering with Red Team Engineers to scale and automate your discoveries so nothing gets wasted (Optional but encouraged) Presenting your research at industry conferences — with full company support to make it happen What … they’re looking for: 5+ years of real-world offensive security or red teaming experience Deep understanding of how to compromise organisations without relying on public CVEs Ability to think like an attacker, working without fixed scopes or playbooks Scripting skills (Python, Go, etc.) to automate exploits, discovery, or tooling Industry certifications (CCSAS, CCT, CRT, OSCP, etc.) or … tools & tech – you’ll be enabled to do your best work Huge growth – this scale-up is in hypergrowth mode, with internal promotion baked into the culture World-class team – collaborate with some of the sharpest offensive minds in the industry This isn’t just another pentesting job. It’s your chance to push boundaries, break things, and redefine More ❯

offensive experts to invent new TTPs and attack modern infrastructure Researching cutting-edge attack vectors across cloud, SaaS, web stacks, and internet-exposed infrastructure Partnering with Red Team Engineers to scale and automate your discoveries so nothing gets wasted (Optional but encouraged) Presenting your research at industry conferences — with full company support to make it happen What … they’re looking for: 5+ years of real-world offensive security or red teaming experience Deep understanding of how to compromise organisations without relying on public CVEs Ability to think like an attacker, working without fixed scopes or playbooks Scripting skills (Python, Go, etc.) to automate exploits, discovery, or tooling Industry certifications (CCSAS, CCT, CRT, OSCP, etc.) or … tools & tech – you’ll be enabled to do your best work Huge growth – this scale-up is in hypergrowth mode, with internal promotion baked into the culture World-class team – collaborate with some of the sharpest offensive minds in the industry This isn’t just another pentesting job. It’s your chance to push boundaries, break things, and redefine More ❯

Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document vulnerabilities, delivering detailed risk assessments Design and execute red team exercises and threat simulations Work closely with development and infrastructure teams to remediate findings Produce comprehensive reports highlighting risks, impacts, and mitigation strategies Stay up to date on emerging … Support internal security awareness training and initiatives Contribute to the development of security policies and best practices Required Skills & Experience: Strong background in penetration testing, ethical hacking, or red teaming Deep knowledge of OWASP Top 10, MITRE ATT&CK, and CVSS scoring systems Proficiency with tools such as Burp Suite, Metasploit, Nmap, Wireshark, and Kali Linux Scripting experience More ❯

manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document security vulnerabilities with detailed risk assessment Develop and execute red team exercises and threat simulations Collaborate with development and infrastructure teams to remediate findings Prepare comprehensive reports outlining findings, impact, and mitigation strategies Stay current with latest attack vectors, tools … Assist in security awareness training and internal education efforts Contribute to security policies and best practices development Required Skills & Qualifications Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux Familiarity with scripting languages (Python More ❯

manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document security vulnerabilities with detailed risk assessment Develop and execute red team exercises and threat simulations Collaborate with development and infrastructure teams to remediate findings Prepare comprehensive reports outlining findings, impact, and mitigation strategies Stay current with latest attack vectors, tools … Assist in security awareness training and internal education efforts Contribute to security policies and best practices development Required Skills & Qualifications Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux Familiarity with scripting languages (Python More ❯

out penetration tests (both automated and manual) on applications, networks, APIs, and mobile systems. Detect and exploit weaknesses, providing clear risk-based assessments Design and run red team scenarios and adversary simulations Collaborate with engineering and infrastructure teams to remediate vulnerabilities Write thorough technical and executive-level reports detailing risks, business impact, and remediation options Keep pace … internal awareness sessions and training around cyber threats Feed into the development of security standards, guidance, and processes Skillset & requirements Solid background in penetration testing, ethical hacking, or red teaming engagements Strong knowledge of frameworks such as OWASP Top 10 , MITRE ATT&CK , and risk-scoring methods like CVSS Practical use of tools such as Burp Suite, Nmap More ❯

contribute to safeguarding my client's network systems, operational technology, and customer data from emerging and sophisticated cyber risks. Key Responsibilities As a senior member of the Security Operations team, you will: Lead the response to escalated and high-severity cyber incidents, ensuring rapid containment and recovery. Conduct advanced threat hunting across IT and OT environments to identify and … initiatives to enhance resilience. Contribute to security audits and compliance efforts (e.g. ISO 27001, NCSC CAF, GDPR). Mentor Level 1 and Level 2 SOC Analysts, helping to build team capability and knowledge. About You You'll bring a combination of technical expertise, analytical acumen, and a collaborative approach to problem-solving. Essential Qualifications & Experience Proven experience in a … IEC 27001/27002. Hands-on experience with tools such as FortiSIEM, Q-Radar, Microsoft Defender, Darktrace, Microsoft Sentinel, or similar platforms. Experience in forensic analysis, red-team exercises, and crisis simulation activities. Desirable Experience managing or supporting both IT and OT environments. In-depth understanding of adversarial TTPs and complex threat landscapes. More ❯

contribute to safeguarding my client's network systems, operational technology, and customer data from emerging and sophisticated cyber risks. Key Responsibilities As a senior member of the Security Operations team, you will: Lead the response to escalated and high-severity cyber incidents, ensuring rapid containment and recovery. Conduct advanced threat hunting across IT and OT environments to identify and … initiatives to enhance resilience. Contribute to security audits and compliance efforts (e.g. ISO 27001, NCSC CAF, GDPR). Mentor Level 1 and Level 2 SOC Analysts, helping to build team capability and knowledge. About You You'll bring a combination of technical expertise, analytical acumen, and a collaborative approach to problem-solving. Essential Qualifications & Experience Proven experience in a … IEC 27001/27002. Hands-on experience with tools such as FortiSIEM, Q-Radar, Microsoft Defender, Darktrace, Microsoft Sentinel, or similar platforms. Experience in forensic analysis, red-team exercises, and crisis simulation activities. Desirable Experience managing or supporting both IT and OT environments. In-depth understanding of adversarial TTPs and complex threat landscapes. More ❯

engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of generative … Responsible for high quality software implementations according to best practices, including automated test suites and documentation. Participate in code reviews, continuously improving personal standards as well as the wider team and product. Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products. …/protected veteran status or any other federal, state or local protected class. If you need any adjustments in the recruitment process, please get in touch with our Recruitment team (EMEA-GSKLink@allegisglobalsolutions.com) to further discuss this today. Important notice to employment businesses/agencies GSK does not accept referrals from employment businesses and/or employment agencies in More ❯

largest community of security researchers to find and fix security, privacy, and AI vulnerabilities across the software development lifecycle. The platform offers bug bounty, vulnerability disclosure, pentesting, AI red teaming, and code security. We are trusted by industry leaders like Amazon, Anthropic, , General Motors, GitHub, Goldman Sachs, Uber, and the U.S. Department of Defense. HackerOne was named a … is looking for a highly motivated, self-starter with excellent communication and interpersonal skills to join our sales team. The Enterprise Account Executive will be part of a growing team responsible for the EMEA region. You will focus on New Business bookings through the creation of sales leads, establishing ongoing rapport and closing business. The ideal candidate will have … leave and leave under CO's Healthy Families and Workplaces Act) Employee Assistance Program Flexible Work Stipend Eligibility may differ by country We're committed to building a global team For certain roles outside the United States, India, the U.K., and the Netherlands, we partner with as our Employer of Record (EOR). Visa/work permit sponsorship is More ❯