12 of 12 Contract Red Team Jobs in the UK

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 click apply for full job details ...

Wide - 2 days a week on site. Financial Services Lorien's leading banking client is looking for an additional AI Engineer join the existing team on a expanding project. This role will be shipping production-grade GenAI features (e.g., retrieval-augmented generation, assistants, summarisation) that are safe, reliable … integration patterns (prompt engineering, RAG, tool-use/agents, function calling). Evaluation & safety: automated prompt/response evals, LLM-as-a-judge, red-teaming, content filters, guardrails. LLMOps practices: experiment tracking, prompt/version control, offline/online evals. Desirable: Doc processing (OCR, chunking), vector DBs (OpenSearch ...

frameworks. Advise the CIO on emerging cyber threats, regulatory changes and strategic security enhancements to maintain project integrity. Oversee compliance audits, security clearances for team members, and reporting on security metrics to senior stakeholders. Manage third-party vendor security risks and ensure all protocols meet classified information handling requirements. … record of delivering under pressure. Professional certifications: CISSP, CISM, or equivalent; NCSC/CLAS consultancy experience highly desirable. Desirable Skills: Offensive cyber/red teaming knowledge (CHECK/CREST/Tiger Scheme). Experience with SOC operations, threat intelligence, or DevSecOps in secure-by-design pipelines. Familiarity with ...