1 to 25 of 124 Permanent Red Team Jobs in London

vulnerabilities and improve security. Stay up-to-date with the latest attack vectors, vulnerabilities, and penetration testing methodologies. Write detailed reports documenting findings, risks, and remediation recommendations. Mentor junior team members and share knowledge on advanced hacking techniques. Participate in red team/blue team exercises and incident response activities. Required Skills and Qualifications : Technical … intrusion detection/prevention systems. Knowledge of cloud security (AWS, Azure, GCP) and containerization (Docker, Kubernetes). Experience : 5+ years of experience in penetration testing, ethical hacking, or red teaming. Proven track record of identifying and exploiting critical vulnerabilities. Experience with web application security (OWASP Top 10, API security, etc.). Hands-on experience with malware analysis and More ❯

Join to apply for the Senior Red Team Operator role at Verizon 3 days ago Be among the first 25 applicants Join to apply for the Senior Red Team Operator role at Verizon Get AI-powered advice on this job and more exclusive features. When you join Verizon You want more out of a … how people live, work and play by connecting them to what brings them joy. We do what we love — driving innovation, creativity, and impact in the world. Our V Team is a community of people who anticipate, lead, and believe that listening is where learning begins. In crisis and in celebration, we come together — lifting our communities and building … trust in how we show up, everywhere & always. Want in? Join the #VTeamLife. Verizon is seeking a highly experienced and motivated Senior Red Team Operator to join our elite cybersecurity team. The ideal candidate will possess dedicated experience in planning and executing complex Threat Intel driven Red Team or even better Tiber engagements against More ❯

or processes which drive high impact risk mitigation through automation. The applicant will be a domain authority on vulnerability exploitation. This role requires working in a tight-nit technical team, with external partners, BISOs, the GSOC, and other entities. Role Responsibilities & Key Accountabilities: Plan, lead and carry out red teams/purple teams and penetration tests where … you assume the role of a threat actor to meet specified objectives Co-ordinate with external 3rd party vendors to enable vulnerability discovery Provide constructive feedback to team responsible for incident response and product development on their successes, failures and potential areas of improvement Study and replicate tactics, techniques and procedures used by modern attackers to improve the security … s Degree or equivalent experience and certifications in cyber security One or more of the following security certifications OSCP, OSCE, OSEE, OSWE, CREST, GXPEN preferred Demonstrable experience in Red Teaming and Penetration Testing Minimum 3 years of deep, hands-on, technical security experience with at least one of: multiple security technologies such as Firewalls, IDS/IPS, Web More ❯

skills (Bash, Python, PowerShell) Hands-on experience with penetration testing tools (Metasploit, Burp Suite, Nessus, Nmap) Knowledge of AI security risks, including prompt injection, adversarial attacks, and AI red teaming Experience in automating security tasks, securing DevOps workflows, and integrating security into CI/CD pipelines Cloud security expertise (AWS, Azure, Kubernetes, Terraform, CI/CD security) Relevant … Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge. Preferred Skills: Experience in AI red teaming, adversarial ML, LLM security testing Deep understanding of networking protocols, OS security, and web application security Knowledge of OWASP Top Ten, MITRE ATT&CK, and other security frameworks More ❯

Role Summary: Join our dynamic Offensive Security Team! As we expand, we are looking for a Pentester/Red Teamer who is enthusiastic about undertaking a range of security assessments, including penetration testing, red team exercises, vulnerability scanning, and physical access evaluations for our clients. Key Responsibilities: Client Engagement Management: Lead client projects, ensuring … penetration testing and vulnerability analysis. Systematically identify and document vulnerabilities across network, application, and physical layers. Prepare concise reports for both technical and non-technical stakeholders. Red Team Challenges: Participate in red team simulations, encompassing social engineering attacks and advanced penetration tactics. Post-initial access, perform internal testing to escalate privileges and gain high … Motivated, passionate, determined, and an avid learner. We value self-starters with proven experience who are driven to learn. Communication: Strong interpersonal and communication skills are essential for effective team collaboration, which is a key aspect of our work culture GCS is acting as an Employment Agency in relation to this vacancy. More ❯

and broad security testing experience across applications, networks, cloud platforms, and more. You'll be a key player in delivering high-quality penetration tests while also supporting client advisory, team development, and process improvement. What’s in it for you? Autonomy and ownership in conducting diverse penetration testing engagements. Ongoing professional development with access to industry events and training. … penetration testing. Create detailed technical reports and deliver test findings directly to clients. Provide remediation advice and post-assessment consultancy. Contribute to internal testing methodologies and Red Team/social engineering activities. Mentor junior team members and support collaborative delivery of projects. Occasionally support the creation of marketing materials such as research papers and articles. Skills … bounty platforms and vulnerability disclosure best practices. Benefits: Competitive salary with regular performance reviews Annual training and personal development plan Access to conferences and professional events Supportive and knowledgeable team culture Hybrid work flexibility after probation Salary: Competitive (dependent on experience More ❯

just answers-in all areas of business. We embrace diverse backgrounds and global perspectives, and we cultivate diversity by respecting, including, and valuing one another. As part of One team, One Kroll, you'll contribute to a supportive and collaborative work environment that empowers you to excel. Our Offensive Security professionals are on a mission to make the world … us to use cutting-edge offensive security tools, creativity, imagination, and expert knowledge to find cybersecurity risks in their networks, systems, and software. We're looking to grow our team of penetration testers in the UK. We test web and mobile applications, computer networks, cloud infrastructure, hardware devices, security awareness through social engineering, organizations through red and … purple team exercises, and more. At Kroll, your work will help deliver clarity to our clients' most complex governance, risk, and transparency challenges. Apply now to join One team, One Kroll. What you'll do As an Offensive Security Consultant, you'll be reporting to a Vice President in our Offensive Security team and deliver projects for 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 ❯

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 ❯

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 ❯

Job Purpose As a Senior Penetration Tester, you'll lead complex security engagements across infrastructure, cloud, mobile, AI systems, and more. You will design and execute red team operations, mentor junior consultants, and directly influence our technical testing capability and methodology as we progress towards CHECK and CREST STAR accreditations. This role is suited for experienced professionals … ready to push the boundaries of ethical hacking and adversary simulation. Role &Responsibilities Deliver and lead red team, purple team, and assumed breach, infrastructure, and applications assessments across multiple sectors. Emulate real-world attack scenarios using custom tooling and TTPs aligned with MITRE ATT&CK. Develop comprehensive and accurate reports and presentations for both technical and … models or LLM-based applications for adversarial attacks. Research and Development experience. Threat Intelligence and Malware Development experience. Ability to work both independently and perform as ateam memberin agroupenvironment. Redteam operations and purple team delivery, including adversary emulation. About Forvis Mazars Forvis Mazars is a leading global professional services network. The network operates under a single brand worldwide, with 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 ❯

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 ❯

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 ❯

Engineer Associate, you will develop Machine Learning (ML) solutions that will innovate and transform key engineering activities in Buro Happold. You will work closely with Buro Happold’s computational team to build reusable AI/ML datasets, develop and optimise ML models, facilitate their deployment within the company, and co-define data-driven solutions that have the potential to … scene graphs leveraging the KG for the collected use cases. Be proactive in highlighting blockers and requesting support or extra data when needed, as appropriate. Collaborate with other Computational Team’s engineers to facilitate the deployment of the models within BH’s workflows. This may include minor front-end and MLOps tasks. Write periodic reports to show progress and … participate in team planning/review activities with both BH and BCU. Co-author papers and participate in conferences and dissemination activities within and outside BH and BCU. Competencies, Skills and Experience: The Machine Learning and R&D Engineer (KTP Associate) will hold a relevant degree. The candidate should have a good first degree and post-graduate degree in 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 ❯

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 ❯

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 ❯

centric AI. With a decade of experience, we provide over 300 global customers with software, bespoke AI consultancy , and Fellows from our award winning Fellowship programme . Our expert team brings together leaders from across government, academia and global tech giants to solve the biggest challenges in applied AI. Should you join us, you'll have the chance to … understanding. You will contribute to both external publications, and Faculty's commercial ambition to build safe AI systems. This is a great opportunity to join a small, high agency team of machine learning researchers and practitioners applying data science and machine learning to business problems in the real world. What you'll be doing Your role will evolve alongside … business needs, but you can expect your key responsibilities to include: Research Leadership: Lead the AI safety team's research agenda, setting priorities and ensuring alignment with Faculty's long-term goals. Conduct and oversee the development of cutting-edge AI safety research, with a focus on large language models and other safety-critical AI systems. Publish high-impact More ❯

The Science of Evaluations Team AISI’s Science of Evaluations team will conduct applied and foundational research focused on two areas at the core of our mission: (i) measuring existing frontier AI system capabilities and (ii) predicting the capabilities of a system before running an evaluation. Measurement of Capabilities: The goal is to develop and apply rigorous scientific … research which supports one of AISI's core products: conducting tests of frontier AI systems and feeding back results, insights, and recommendations to model developers and policy makers. The team will be an independent voice on the quality of our testing reports and the limitations of our evaluations. You will collaborate closely with researchers and engineers from the workstreams … external experts, partner organizations, and policy makers. Across both focus areas, there will be significant scope to contribute to the overall vision and strategy of the science of evaluations team as an early hire. You’ll receive coaching from your manager and mentorship from the research directors at AISI (including Geoffrey Irving and Yarin Gal), and work closely with More ❯

The Science of Evaluations Team AISI's Science of Evaluations team will conduct applied and foundational research focused on two areas at the core of our mission: (i) measuring existing frontier AI system capabilities and (ii) predicting the capabilities of a system before running an evaluation. Measurement of Capabilities: The goal is to develop and apply rigorous scientific … research which supports one of AISI's core products: conducting tests of frontier AI systems and feeding back results, insights, and recommendations to model developers and policy makers. The team will be an independent voice on the quality of our testing reports and the limitations of our evaluations. You will collaborate closely with researchers and engineers from the workstreams … external experts, partner organizations, and policy makers. Across both focus areas, there will be significant scope to contribute to the overall vision and strategy of the science of evaluations team as an early hire. You'll receive coaching from your manager and mentorship from the research directors at AISI (including Geoffrey Irving and Yarin Gal), and work closely with More ❯

Race at Work Charter and 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 ASOS is recruiting for an Offensive Security Specialist within the SOC. … 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 in 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, contribute to incidents through to resolution and root cause analysis. Malware Analysis and investigation. Contribute 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 cyber security in departments. More ❯