1 to 25 of 76 Red Team Jobs in the UK

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 … 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 ...

Red Team Operator/Penetration Tester Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline … focus of these engagements is true adversary simulation. Working from standard user credentials, you will help define and execute realistic Red Team activity, assessing how an attacker could infiltrate, move laterally, escalate privileges, and exfiltrate data within sensitive environments. You will play a key role in shaping ...

Red Team Operator/Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood … focus of these engagements is true adversary simulation. Working from standard user credentials, you will help define and execute realistic Red Team activity, assessing how an attacker could infiltrate, move laterally, escalate privileges, and exfiltrate data within sensitive environments. You will play a key role in shaping ...

client applications, wireless, social engineering, and physical security. Execute penetration testing projects using established methodologies, tools, and rules of engagement. Conduct red team assessments to identify gaps and weaknesses impacting organisational security posture. Identify, validate, and exploit security vulnerabilities across a wide range of systems and environments. … findings to industry standards. Essential Skills & Experience Strong hands-on experience delivering professional penetration testing engagements. Proficiency with penetration testing and red team tooling including Cobalt Strike, Caldera, Atomic Red Team, Pentera, Nessus, Burp Suite, Nmap, Kali Linux, and OSINT tools. Solid understanding ...

Role We're looking for a 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 … Wireless, Social Engineering and Physical Penetration Testing. Execute penetration testing projects using the established methodology, tools and rules of engagement. 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. ...

excellent platform to develop technical depth while contributing to high-impact security engagements. The Role You will deliver penetration testing and red team engagements across client systems and applications, helping organisations identify vulnerabilities, strengthen their security posture and improve resilience against cyber threats. You’ll work closely … deliver clear, actionable security insight. Key Responsibilities Conduct penetration testing and offensive security engagements across networks, applications and platforms Support red team activities and adversary simulation exercises Identify, validate and communicate security vulnerabilities and associated business risk Contribute to vulnerability management and remediation support Stay ...

Red Team Operator/Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood ...

Microsoft Defender/Sentinel, EDR platforms, timeline analysis, and cloud environments (Azure, AWS, or GCP). Exposure to penetration testing, including red team or purple team exercises, is advantageous. Ability to script or automate using Bash, Perl, Python, or PowerShell. Strong analytical mindset and familiarity with ...

penetration testing tools (Burp Suite, Metasploit, custom scripts) Excellent communication and report writing skills Desirable: OSCP, CREST certifications Bug bounty participation Red team experience Cloud security testing (AWS, Azure, GCP) Active involvement in security community (CTFs, conferences, research) Company Culture: Technical excellence and deep fundamentals valued over ...

investment appraisal Required experience Strong Business Analysis background Some defence and cyber exposure High-level understanding of cyber & infrastructure concepts (e.g. red team/blue team, cyber ranges) Procurement/tendering experience highly desirable Target start: early January (post-BPSS) SC Cleared Business Analyst - Defence Location ...

most critical and challenging projects in the UK and beyond. The Role They’re looking for an experienced Penetration Tester to join their expert team in Bristol. You’ll be responsible for conducting advanced penetration tests, red team exercises, and vulnerability assessments, helping clients strengthen their … mobile app testing, reverse engineering, or malware analysis Audit experience (ISO27001, CTAS, CAS(T)) Mentoring or leadership capability Why Apply? Join a highly skilled team tackling complex cybersecurity challenges. This role offers real technical variety, professional growth, and the chance to make a tangible impact in the cyber sector.Interested ...

networking, operating systems (Windows/Linux), and cloud security fundamentals. Experience auditing, testing, and verifying security posture across enterprise environments. Offensive security mindset (red teaming or pentesting knowledge) to inform defensive strategies. Comfortable operating as a senior, client-facing technical consultant. 3+ years’ relevant experience (Senior Consultant ...

current risks and threats to Cloud infrastructure and/or IT infrastructures at technical and managerial levels. Ability to conduct Red Team security testing tasks in GCP to continuously assess security posture in GCP platform Drive Identity and Access Management (IAM), configuration management, and monitoring strategy ...

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 … 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 ...

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 … 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 ...

Perform vulnerability assessments and risk-based testing using industry best practices. Validate findings, reproduce issues, and advise on realistic remediation. Support red team/adversarial simulation exercises where appropriate. Cyber Essentials and Cyber Essentials Plus: Conduct Cyber Essentials readiness reviews , gap assessments, and remediation guidance. Lead Cyber … security testing (esp. Cyber Essentials/CE+). Full UK Driving Licence. Desirable Skills and Certifications: CREST CRT/CCRT/CCT or CHECK Team Member . OSCP/OSWE/OSEP/GPEN/eCPPT/similar. Experience with secure code review, SAST/DAST pipelines, or DevSecOps. ...

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 … 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 ...

PAYE £550 - £610 per day on RUPAYE £650 - £725 per day INSIDE IR35 Umbrella What You'll Do Red-Teaming: Lead adversarial campaigns to identify system gaps using automated frameworks and LLM-as-a-judge. System Alignment: Use Preference Tuning, automatic prompt optimization, and context engineering to align ...

such as biases, ensuring fairness and transparency. Creating test patterns, frameworks and testing processes for testing of AI systems. Developing test harnesses for red teaming, adversarial testing, and evaluation of multi-modal AI systems Spearheading Responsible AI related technology thought leadership and PoV, staying abreast of emerging technologies. ...

deep technical capability, research driven approach, and highly complex offensive security engagements. With increasing demand across the UK, they are building a specialist team of top tier testers who want to work on meaningful, challenging, and genuinely exciting projects. If you’re a CHECK certified tester who thrives … environments (infrastructure, cloud, applications, mobile, and more) Leading and contributing to CHECK engagements for high‐profile clients Supporting and participating in red team and threat led operations Producing high quality, actionable reporting and technical debriefs Working closely with clients to understand objectives and deliver meaningful security outcomes ...

rules, AV baselines, and KQL analytics. Desirable Skills Experience with Microsoft Sentinel. Understanding of MITRE ATT and CK. Exposure to red team activities. Familiarity with automation using PowerShell. Professional Attributes Analytical thinker. Resilient and proactive. Strong communicator. Collaborative mindset. Qualifications Microsoft security certifications such ...

aligned to regulatory requirements. You will lead threat modelling, risk assessments, and security testing for AI components, including adversarial testing and red team exercises. You will embed security into the AI software development lifecycle and support continuous monitoring and incident response. What We're Looking For - Security ...

vulnerability management strategy aligned to enterprise risk objectives. Establish governance, metrics, and reporting for security testing and remediation activities. Oversee penetration testing, red teaming, and application security testing programmes. Manage vulnerability scanning, prioritisation, and remediation processes across on-prem, cloud, and application environments. Partner with IT, engineering ...

critical systems, supported by experienced security testers and established delivery processes. The role offers clear progression into senior security testing and red team roles, strong technical mentoring, and experience that carries weight in the UK cyber market. It suits someone who wants to build long-term credibility ...

Familiarity with knowledge base evaluation methods and tools for assessing LLM performance (precision, recall, consistency). Ability to design and execute adversarial testing, red-teaming, and stress-testing for LLMs. Knowledge of LLM security vulnerabilities, ethical AI principles, and AI compliance frameworks. Experience in prompt engineering, and analyzing ...