26 to 50 of 232 Red Team Jobs in the UK

building a world-class platform to amplify our teams' most powerful ideas. Take the next step in your career. The roleThe Adversary Emulation (AE) team is G-Research's internal Red Team and a core part of the wider Security Assurance function. The team provides … Board and Executive Management Team with independent insight into the security of our most important information, directly informing security decisions at the highest levels of the business. AE operations range from a few weeks to more than a full year, with each engagement designed to emulate different internal ...

What I Do Is: Deliver engagements (Phase I, and shrinking over time) Lead network, web application, API, cloud, and full‐scope red team engagements. Own them end to end: scoping, rules of engagement, authorisation, execution, evidence, reporting, client debrief. Set the quality bar and be the escalation … target validation, blast‐radius limits, kill switches, prohibited‐action lists, full audit trail. Define where the human stays in the loop, and mentor the team in both directions. The Skills I Need Are: Strength in all three areas. Depth in offensive security and demonstrable AI agent‐building are both ...

just offering jobs - we're building careers that make an impact. Apply now and be part of a team shaping the future of cybersecurity and technology. Salary: Up to £45,000 per annum. Travel: Hybrid Location: London We're hiring a passionate Penetration Tester eager to grow in offensive … security. Join a skilled, diverse team committed to innovation and technical excellence. This is a great opportunity to sharpen your expertise and contribute to impactful cybersecurity initiatives. Support and contribute to Infrastructure and Cloud Security Assessments Be mentored and trained towards Adversarial Simulation, Red Team Operations ...

Limited is seeking an AI Red Team Engineer to lead red-teaming of monitoring systems and frontier labs. You will design campaigns, identify new attack surfaces, and build scalable automated pipelines to strengthen AI monitors. You will publish findings and translate them into concrete improvements … Watcher and related projects. You will join a small team, shape the tech, and grow into responsibility quickly, working closely with the CEO and engineers across products and monitoring #J-18808-Ljbffr ...

2026. Step into the world where science meets robust information security. Protect the technology that powers ground-breaking discoveries and be part of the team that safeguards the future of Big Science. Here, you'll collaborate with leading engineers, researchers, and technologists to tackle the most pressing security challenges … 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 Experts support the delivery of modern, secure, resilient and scalable services across a larger federated team of Digital, Data ...

Beachcroft LLP is seeking a Cyber Security Offensive Specialist to join our Technology team in Bristol. You will plan and execute authorised penetration tests, conduct red team exercises, and drive remediation strategies to strengthen our cyber resilience. You will research attacker TTPs, develop custom tooling, assess ...

looking for a Senior Offensive Security Engineer to lead the charge. In this role, you’ll plan and execute red team engagements, penetration tests, and adversary simulations against our trading infrastructure, corporate environment, and cloud platforms, acting as a trusted adversary who helps us find … communicates like a partner, and cares about making the firm measurably harder to compromise. What You'll Do Plan and execute red team engagements and adversary simulations against trading systems, corporate IT, and cloud environments, modeling realistic attacker tactics, techniques, and procedures (TTPs) mapped to frameworks such ...

technology services company is seeking an IT and cybersecurity professional to join their team in Bristol. The role involves conducting security assessments, penetration testing, and red team exercises, helping enterprise clients improve their security posture. Ideal candidates should have strong analytical skills, a background in penetration ...

looking for a Senior Offensive Security Engineer to lead the charge. In this role, you'll plan and execute red team engagements, penetration tests, and adversary simulations against our trading infrastructure, corporate environment, and cloud platforms, acting as a trusted adversary who helps us find … attacker, communicates like a partner, and cares about making the firm measurably harder to compromise. What You'll DoPlan and execute red team engagements and adversary simulations against trading systems, corporate IT, and cloud environments, modeling realistic attacker tactics, techniques, and procedures (TTPs) mapped to frameworks such ...

MastarRec is recruiting an experienced Ethical Hacker to join a client’s cybersecurity team in London. You’ll conduct offensive security testing across networks, applications and cloud environments, identify vulnerabilities, and present actionable remediation guidance. Ideal candidates have deep red team experience, exploit development, and familiarity ...

customer service through AI, helping businesses deliver fast, accurate, and reliable support at scale. Trust is foundational to that mission. Fin's Security Engineering team is unlike most security teams. We own and operate critical security services, build customer-facing security features, and partner with engineering teams to make … secure development the default. We're engineers first; designing, building, and operating systems that protect Fin and its customers. The team owns and operates tier-zero services including authentication, SAML/SSO, teammate activity logs, malicious URL scanning, and other critical trust and security capabilities. The mission ...

Mercor is assembling a red team to probe AI models with adversarial inputs. The role involves reviewing AI outputs on sensitive topics, with topics clearly communicated before exposure. You will engage in high-safety testing across projects, contributing data and reports to strengthen clients' AI safety postures. ...

building out its offensive security capability and seeks a Senior Offensive Security Engineer to lead red team engagements, pen tests, and adversary simulations across trading systems and cloud environments. You will shape methodology, tooling, and the offensive security roadmap while partnering with security, infrastructure, and trading teams ...

seeking a Senior Offensive Security Engineer to lead red team engagements, penetration tests, and adversary simulations across trading systems, IT, and cloud platforms. You will design tooling, translate findings into actionable improvements, and work closely with security, infrastructure, and trading teams to strengthen defenses. You will help ...

seeking a Senior Offensive Security Engineer to lead red team engagements and adversary simulations across trading, IT, and cloud environments. You will translate findings into concrete improvements and help shape the offensive security program. You will work with security, infra, and trading teams to mature tooling, methodology ...

Clifford Chance is seeking an experienced Information Security professional to join our London team. You will lead and execute red team engagements across on-prem and cloud environments, assessing vulnerabilities and providing actionable remediation guidance. The role requires strong communication skills to translate technical findings to executives ...

leading biometric solutions provider in the UK is seeking an experienced Red Team Engineer. This role focuses on web platforms and requires outstanding skills in ethical hacking and penetration testing. The ideal candidate will execute security assessments and collaborate with teams to enhance security measures. This position ...

Group is seeking an Executive Principal Consultant to lead high-end Red Team engagements from Cheltenham, driving adversary simulations and security testing for mature clients. You will oversee delivery across the attack lifecycle, mentor junior staff, and contribute to tooling and methodology development. You will report ...

Group is seeking an Executive Principal Consultant to lead Red Team engagements across the lifecycle, from initial access to objective completion, with a focus on safety, confidentiality, and operational integrity. You will mentor junior staff and represent NCC Group in client-facing engagements, including with C-level ...

lead client engagements across the UK. You will conduct network, web, and mobile assessments, perform social engineering, and participate in red team engagements to deliver actionable findings. The role emphasizes a strong technical foundation, a passion for security, and clear communication with clients and teams. ...

Obsidian seeks contributors to assemble a panel of nuclear domain experts to red-team frontier AI models. You will craft prompts across benign, dual-use, and adversarial levels and assess model responses against policy standards. A key deliverable is a reference answer with thorough technical reasoning. ...

Mercor is assembling a panel of energetic materials and propulsion experts to red-team frontier AI models. You will write challenging single-turn prompts in three levels and evaluate responses against a policy standard. You will also craft reference answers with the technical reasoning behind them. This ...

Cybersecurity Governance & Assurance Specialist London Permanent Job Amaris Consulting UK is looking for a talented and driven Cybersecurity Governance & Assurance Specialist to join our team and support one of our key clients in the off‐highway machinery sector. Your Missions Governance and Standards Own and maintain the product cybersecurity … suppliers Cybersecurity Testing Assurance Define cybersecurity testing expectations required for compliance evidence, covering coverage scope, methods, reporting, and remediation tracking Coordinate Red Team and testing activities to ensure outputs support programme assurance and close testing capability gaps Vulnerability Management and Post‐Production Assurance Establish and assure governance ...

Group in Manchester is seeking an Executive Principal Consultant to lead advanced Red Team engagements across the attack lifecycle, partnering with clients to simulate adversaries and test defenses. You will mentor junior consultants, shape tooling and methodologies, and communicate risk and remediation insights to technical ...

Group is seeking an Executive Principal Consultant to lead high-end Red Team engagements across the attack lifecycle in London. You will mentor junior consultants, develop capabilities, and represent the firm in client-facing engagements, including with C-level stakeholders. You’ll contribute to tooling, methodology ...