51 to 59 of 59 Offensive Security Jobs in London

Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This is an opportunity … lead a talented team, shape the future of our Offensive Security services and remain hands-on with complex testing enga click apply for full job details ...

communicate emerging threats, including adversary behaviours, malware, and infrastructure, while ensuring intelligence outputs are operationally relevant, technically robust, and aligned to business and security priorities.Operating across the full intelligence lifecycle, the role transforms complex technical findings into meaningful insights for both technical and non‐technical stakeholders, enabling the organisation … anticipate adversary activity, enhance detection engineering, support incident response, and advance intelligence‐led security operations. The role also contributes to continuous improvement through research, tooling development, collaboration with wider security teams, and active participation in the broader threat intelligence community.Key ResponsibilitiesThreat Intelligence Analysis and Research:Identify, track ...

team in London. You will identify vulnerabilities across networks, applications, and cloud environments, delivering actionable insights to reduce risk exposure. Ideal candidates have deep offensive security experience, knowledge of exploits and security protocols, and a drive to evolve with today’s threat landscape. Hybrid or fully remote ...

Darktrace in London is seeking a hands-on Penetration Tester to identify security risks across the organisation's digital landscape. You will conduct tests on web applications, networks, APIs, mobile apps and cloud environments, and deliver actionable insights to security and development teams. You will produce detailed reports ...

responsible for identifying vulnerabilities across networks,applications, and cloud infrastructure and providing actionable insights toreduce risk exposure. Ideal candidates have deep experience in offensive security.Testing, a strong understanding of exploits and security protocols, and a driveto continuously evolve with today’s fast-moving threat landscape. Job Responsibilities Plan … execute, and report on penetration tests across networks, webapplications, APIs, mobile, and cloud environments Conduct red team engagements , including simulated phishing, socialengineering, and physical security assessments Identify,document, and prioritise vulnerabilities and misconfigurations Useboth manual techniques and automated tools (e.g., Burp Suite, Metasploit,Nmap) Collaboratewith blue team and remediation ...

. IaC Expert: Professional mastery of Terraform or similar. CI/CD Veteran: Proven track record of building deployment pipelines that don't break. Security First: Deep understanding of IAM, cloud networking, and security best practices. Preferred & Nice-to-Haves: Experience with ECS, container orchestration, and distributed task … queues (Celery/SQS). Strong Python skills. Familiarity with the Datadog/Grafana observability stack. A background in offensive security, CTFs, or AI/ML infrastructure. What We Offer Competitive Salary + Significant Equity: We want you to have true ownership in the success of the company. ...

Working with a global financial services organisation who are looking for a highly specialised Frontier AI Security contractor to help deliver a high-profile project. Details Location - LondonHybrid - 3 days/week in officeDuration - Initially 6 monthsRate - £900-£1000/day Inside IR35 via Umbrella Skills and Experience Required … Very senior, hands-on technical specialist Deep security engineering; hands-on frontier LLM work (evals, agentic loops, failure modes); shipped production systems; product instinct; senior leadership. Core Competencies: Strong AI, cybersecurity , and software engineering experience. Experience with LLM s and frontier AI models rather than traditional machine learning alone. ...

Working with a global financial services organisation who are looking for a highly specialised Frontier AI Security contractor to help deliver a high-profile project. Details Location - London Hybrid - 3 days/week in office Duration - Initially 6 months Rate - £900-£1000/day Inside IR35 via Umbrella Skills … Experience Required Very senior, hands-on technical specialist Deep security engineering; hands-on frontier LLM work (evals, agentic loops, failure modes); shipped production systems; product instinct; senior leadership. Core Competencies: Strong AI, cybersecurity , and software engineering experience. Experience with LLM s and frontier AI models rather than traditional machine ...

necessary. Qualifications Experience in aggregate log analysis (Splunk or others). Knowledge and operational experience with an Endpoint Detection and Response (EDR) platform. Offensive security/adversarial mindset and knowledge of threat actor TTPs. The ability to perform malware analysis (manual, static, and dynamic). Minimum … years of related security or technology experience in large enterprise environments. What we offer Wellbeing leave day per year and a minimum of 25 days of annual leave. 26 weeks’ paid parental leave for primary caregivers along with 12 days of paid transition leave upon return to work ...