22 of 22 Remote/Hybrid Offensive Security Jobs in London

Senior Security Specialist

Hiring Organisation
Reonomy
Location
London, United Kingdom
Salary
£ 80 K
relevant factors. The range does not include additional compensation such as bonuses, equity, benefits, or other incentives.Who we needReporting to the Senior Manager, Information Security, we are hiring a Senior Security Specialist to join our Security Engineering team. As our new Senior Security Specialist, you will … play a critical role in advancing Altus Group's security maturity by strengthening our security operations, expanding our offensive security capabilities, and improving how we detect and respond to emerging threats. Working across security engineering, threat intelligence, incident response, and cloud security, you will ...

Director, ProdSecOps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
than ever before. Learn more at geniussports.com. This is a transformational role. The Director is expected to lead the organization from fragmented, task-based security handling into a mature, agile program — modernizing how security is embedded across engineering, redefining operational efficiency, and setting how the cybersecurity function operates … perceived across the business. This role leads the combined Product Security and Security Operations function at Genius Sports. It is a program leadership role responsible for embedding security into how products are designed, built, and shipped — and for owning the full threat detection and incident response pipeline ...

Director, ProdSecOps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Learn more at the company.com. Role Overview This is a transformational role. The Director is expected to lead the organization from fragmented, task-based security handling into a mature, agile program — modernizing how security is embedded across engineering, redefining operational efficiency, and setting how the cybersecurity function operates … perceived across the business. This role leads the combined Product Security and Security Operations function at Genius Sports. It is a program leadership role responsible for embedding security into how products are designed, built, and shipped — and for owning the full threat detection and incident response pipeline ...

Technical Cyber Security Advisory, Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
£ 80 K
Looking ForWe are looking for a Vice President of Cyber Security reporting to the Regional CISO, UK & Ireland. You will act as a senior cyber advisor across the bank, working with business, technology, risk, compliance, and Global Cybersecurity teams to identify practical security improvements and drive change that … strengthens cyber resilience.The successful candidate will bring strong technical credibility utilising a breadth of knowledge from offensive security, cyber risk, and security solution architecture experience. You will be comfortable reviewing complex technology and control issues, challenging proposed approaches constructively, and translating technical risk into clear, actionable decisions ...

Director, ProdSecOps

Hiring Organisation
Genius Sports
Location
London, United Kingdom
Salary
£ 120 K
ever before. Learn more at geniussports.com. Role OverviewThis is a transformational role. The Director is expected to lead the organization from fragmented, task-based security handling into a mature, agile program — modernizing how security is embedded across engineering, redefining operational efficiency, and setting how the cybersecurity function operates … perceived across the business.This role leads the combined Product Security and Security Operations function at Genius Sports. It is a program leadership role responsible for embedding security into how products are designed, built, and shipped — and for owning the full threat detection and incident response pipeline ...

AI Security & Control Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
OPPORTUNITY We are building Watcher, a coding agent security product. We are looking for a security & control expert to help us design better threat models and control protocols against AI adversaries, and improve the effectiveness and security of Watcher. A security & control expert embedded … with three functions: Research : Supporting Apollo's monitoring research with threat modeling, attack design, red‐team and trajectory analysis (~50%) Expert view : Bring a security expert’s view of what security buyers need to make Watcher a better product (~25%) Product security : Improve the security posture ...

Artificial Intelligence (AI) Offensive Security Analyst

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
## Artificial Intelligence (AI) Offensive Security AnalystApplyremote type: Hybridlocations: London United Kingdom: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26985960**Why Citi**Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi … problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.**Why This Team**The Chief Information Security Office (CISO) is home to deeply talented colleagues that work to ensure the safety of Citi's clients', our revenue, our employees ...

Senior Manager – Application Security

Hiring Organisation
Miro
Location
London, United Kingdom
Salary
£ 100 K
About the TeamThe Senior Manager of Application Security leads a global team responsible for embedding security into Miro’s Software Development Lifecycle (SDLC)—from concept to code to customer impact. This team partners closely with product and engineering to proactively mitigate risk while accelerating developer velocity and innovation.The … role focuses on enabling secure-by-default development through secure design support, automated tooling, vulnerability management, offensive testing, and developer engagement. It also plays a critical role in integrating security into Miro’s Discover, Define, Deliver product lifecycle and aligning with our AMPED Ways of Working (Analytics, Marketing ...

Artificial Intelligence (AI) Offensive Security Analyst

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
99031294608Posted: 2026-08-10Location: London, England, United KingdomCategory: Technology, Information Security, ProfessionalCompany: CitiWhy CitiCiti, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products … problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together. Why This TeamThe Chief Information Security Office (CISO) is home to deeply talented colleagues that work to ensure the safety of Citi's clients', our revenue, our employees and our proprietary ...

Senior Consultant – Offensive Cyber Security

Hiring Organisation
RSM International
Location
London, United Kingdom
Salary
£ 80 K
Senior Consultant – Offensive Cyber SecurityWe are searching for an experienced JOB0.TITLEMake an Impact at RSM UKAt RSM, our consulting team brings together diverse advisory experts to deliver our six core solutions: business transformation, forensic, deal services, restructuring, finance function support, and risk and governance. Our solutions are designed … team of expert consultants, embracing a digital-first approach, strengthening our global presence, and building strong client relationships.We are seeking an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance ...

Penetration Testing Lead

Hiring Organisation
17918
Location
London, United Kingdom
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 engagements, including emerging AI and LLM security testing. Reporting to the Managing Director, you'll combine technical leadership, people management and client engagement to ensure exceptional service delivery ...

Penetration Testing Lead

Hiring Organisation
Tribe Appointments Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 engagements, including emerging AI and LLM security testing. Reporting to the Managing Director, you'll combine technical leadership, people management and client engagement to ensure exceptional service delivery ...

Senior Account Executive, EMEA Enterprise

Hiring Organisation
HackerOne
Location
London, United Kingdom
Salary
£ 100 K
Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting … teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging ...

Web Security Engineer JavaScript

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 70 K
Security Engineer (JavaScript/TypeScript) London/Remote to 80kDo you have expertise with web security combined with strong JavaScript/TypeScript coding skills You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure … some of the world's largest enterprises against identity fraud, deepfakes and sophisticated cyber threats. As a Web Security Engineer you'll collaborate closely with the web development team to ensure security is at the centre of all web based applications. Joining a specialist security team ...

Offensive Security Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.ROLE SUMMARY:This opportunity within the Offensive Security Operations team is a crucial role for the management of vulnerability discovery, offensive testing and remediation activities across the group which … programmes in scope for the role include:Regulatory Threat Intelligence Led Pen Testing (TLTP) and Red teamingBug BountyContinuous External Attack Surface ManagementActive Directory security posture managementAny programme launched in the future aimed at driving down cyber risk at scaleThe applicant will be a domain authority on vulnerability testing, impact ...

Senior Security Researcher

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Security Researcher Salary: £90,000 - £100,000 + attractive benefits Location: UK (Remote-first/occasional London meetings) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats. … Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability. You will explore unfamiliar technologies, analyse malicious material, build proof ...

Senior Security Researcher

Hiring Organisation
Searchability
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
Senior Security Researcher Salary: £90,000 - £100,000 + attractive benefits Location: UK (Remote-first/occasional London meetings) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats. … Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability. You will explore unfamiliar technologies, analyse malicious material, build proof ...

Penetration Tester – Remote/Hybrid, Certification Support

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Hybrid Penetration Tester — Offensive Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Penetration Tester

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Director Frontier AI (Security)

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£900 - £1000/day 950
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 ...

Cyber Threat Defence Analyst

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...