1 to 25 of 120 Permanent Offensive Security Jobs in the UK

talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Department: Data & Technology Solutions (DTS) Reports To: SVP Security and Compliance Location: [London/Hybrid 2 days a week in office] Position Type: Full-Time Role Overview The Product, Application and Offensive Security Engineer is responsible for embedding security directly into the design, development, testing, and operation of DTS products and platforms. This is a hands-on security engineering role. The role requires someone who can work directly with product and engineering teams, review designs, assess APIs ...

Description Your impact Leonardo is seeking an experienced Red Team Consultant to join our growing Offensive Security capability. This role is open to both Senior and Principal level Consultants. Working within a defence-focused environment, you will deliver threat-led security assessments, adversary emulation activities and advanced … security testing for customers operating within complex and high-assurance environments. You will emulate realistic cyber threats, assess the effectiveness of security controls and provide actionable recommendations to help customers strengthen their resilience against sophisticated adversaries. This role offers the opportunity to be more than a delivery consultant. ...

client is a global aerospace, defence and security company. Job Description: Your impact Our client is seeking an experienced Red Team Consultant to join our growing Offensive Security capability. This role is open to both Senior and Principal level Consultants. Working within a defence-focused environment … will deliver threat-led security assessments, adversary emulation activities and advanced security testing for customers operating within complex and high-assurance environments. You will emulate realistic cyber threats, assess the effectiveness of security controls and provide actionable recommendations to help customers strengthen their resilience against sophisticated adversaries. ...

over 300 employees globally, announced funding of more than £150 million and been voted a Best place to work on multiple occasions! Senior Cyber Security Engineer - Red Team Immersive is hiring! Could you be our next Senior Cyber Security Engineer? Due to customer demand and increasing maturity within … platform we have an exciting and challenging opportunity for an experienced cyber professional within the offensive security sector - with expertise in conducting red team engagements - to join our Product team as Senior Cyber Security Engineer - Red Team. If successful you will join our Cyber team working closely ...

what’s the role? We’re looking for someone who sits at the intersection of offensive security, AI, and relentless experimentation. You’ll build production-quality tooling and push the boundaries of how LLMs can accelerate offensive security workflows - from vulnerability discovery and analysis through … directly into the watchTowr Platform, powering the systems that identify, reproduce, and mitigate vulnerabilities across our client base before attackers weaponise them. You understand offensive security and vulnerability research, but you don't need to be a career vulnerability researcher. What matters is that you're fascinated ...

Security Engineer (Product Security) Salary: £80,000 - £90,000 + Excellent Benefits Location: London (Remote-first with occasional travel to the office) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company where security isn't simply a support … organisations worldwide, the business develops market-leading technology that protects organisations from advanced file-based cyber threats. We're looking for a hands-on Security Engineer who enjoys getting into the detail of vulnerabilities, understanding how applications behave and working directly with developers to make software more secure. This ...

customers, with a strong focus on digital transformation and data-driven decision-making. We are looking for a talented and motivated Cyber Security Engineer to join our growing Information Security team. This is an exciting opportunity to play a key role in protecting our business, customers, systems … data while supporting our ongoing digital transformation journey. As a Cyber Security Engineer, you will design, implement, and enhance security solutions across cloud platforms, infrastructure, applications, networks, and endpoints. Working closely with Infrastructure, Platform, Engineering, Development, and Operations teams, you will help embed security into everything ...

Department: Business Services - Technology Location: Bristol Join DAC Beachcroft's Cyber Security Team At DAC Beachcroft, technology plays a critical role in helping our people, business, and clients reach their full potential. As we continue to enhance our cyber security capability, we're looking for an experienced Cyber … Security Offensive Specialist to join our growing Technology team in Bristol. Reporting to the Head of Cyber Security, you will play a key role in identifying and assessing security risks before they can be exploited, helping to strengthen the firm's cyber resilience and security ...

Looking For We are looking for a Vice President of Cyber Security reporting to the Regional CISO, UK & Ireland. You will act as a senior cyber advisor embedded in the region, partnering closely with business, technology, risk, and compliance teams to ensure cyber security priorities are shaped around … regional business needs, regulatory obligations, and client commitments, while still drawing on strong technical expertise to identify practical security improvements and drive change that strengthens cyber resilience. The successful candidate will bring strong business acumen and stakeholder judgement, underpinned by solid technical credibility across offensive security, cyber ...

looking for an experienced and highly capable Penetration Testing Lead to lead and evolve our penetration testing capability. Reporting to the Offensive Security Lead, you'll be accountable for the strategic direction, operational delivery and technical excellence of the team. This role combines deep technical expertise with inspirational … leadership, leading a team of highly skilled penetration testers while shaping the roadmap for both human-led and autonomous security testing across the Group. Spanning traditional end-to-end penetration testing services and continuous assurance capabilities, you'll work closely with engineering, security and business stakeholders, as well ...

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 in a fast-paced, innovative environment. Every day offers you the chance to defend vital data and systems, ensuring that the pursuit of scientific … excellence continues securely and seamlessly. Discover the difference you can make when you bring your expertise in information security to an organisation at the forefront of global research - working alongside some of the brightest minds and most advanced facilities in the world. Security As a minimum ...

mission, values, and purpose align with your own, we would love to hear from you! Your opportunity This is a hands-on security engineering role for people who are deep in cybersecurity and serious about AI. You will secure the AI systems we are building — AI-enabled applications, models … agents, and the platforms beneath them, across their full lifecycle — acting as a trusted advisor who helps define and evolve the firm’s AI security standards, patterns, and guardrails. The objective is not to create additional process, but to ensure our existing security capabilities evolve alongside AI adoption ...

Mission At CovertSwarm, we're redefining offensive security through constant, relentless attack. As a Senior Hive Member, you'll lead sophisticated operations that push beyond traditional boundaries, mentoring fellow operators while discovering new attack vectors that others miss. The Opportunity This isn't just another testing role. … breach sophisticated defences and can find previously unknown vulnerabilities. You'll lead complex operations, mentor rising talent, and help shape the future of offensive security. The Arsenal (Core Responsibilities) Perform specialized security assessments across multiple domains Guide clients through complex security challenges, from technical teams ...

currently working on an exciting opportunity for an experienced Red Team/Offensive Security professional to join a growing capability within a major UK Defence organisation. This is not just a traditional penetration testing role . You’ll be involved in Red Team operations, adversary simulation and threat … security assessments , helping to replicate realistic attacks against complex, high-assurance environments. What you’ll be doing: Red Team & adversary simulation Threat-led security assessments Offensive security tooling & automation Helping shape Red Team methodologies and capability Working directly with customers across Defence & Government environments What ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Security Testing Consultant Penetration Tester Location: UK Wide (Occasional office work, with 25% International Travel) Who we are Join our client and youll be part … help pioneer progress and protect what matters most. Youll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space theres ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Security Testing Consultant Penetration Tester Location: UK Wide (Occasional office work, with 25% International Travel) Who we are Join our client … pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space there ...

Engineering Lead for our Cyber Engineering Squad to join us as a "player‐coach" with the technical expertise to dive deep into complex security and engineering challenges while coaching and leading a growing team. This is an exciting opportunity to architect, build and scale our offensive security … line manager for the engineers, including performance reviews, career development, and day‐to‐day coaching. You will design, develop, and maintain the offensive security infrastructure that powers the watchTowr Platform, ensuring it can process vast amounts of data and identify vulnerabilities in enterprise systems at scale. You will ...

publishing, and community experiences worldwide. Atari operates internationally with offices in the US, UK, in France, Germany, Sweden, and India. Overview As a Senior Offensive Security Engineer, you will play a crucial role in evaluating and strengthening the security posture of the organization's IT infrastructure, applications … networks. Your primary responsibilities will include identifying and addressing security vulnerabilities through detailed assessments and hands-on penetration testing. You will work closely with cross-functional teams to enhance security measures and safeguard systems against potential threats. What You'll Do Conduct Vulnerability Assessments Perform detailed vulnerability assessments ...

which ones matter, why, and what else might be affected by the same root cause. That's this position. You'll sit on the Offensive Security team, running your own penetration tests against Klarna's internal and public-facing systems while also triaging what comes in from … perform variant analysis on issues surfaced through any channel, tracing where else the same class of bug might exist. You research and assess the security of Klarna's third-party solutions and integrations. You build tooling for reconnaissance, automation, and metrics collection. You guide developers, product security teams ...

Application Security Specialist Shape the Future of Secure Software Development Across a Leading Enterprise Organisation Competitive Salary + Bonus + Car Allowance + Benefits | London | Hybrid Working Join a growing Cyber, Risk & Security team and play a pivotal role in strengthening the security of products, platforms … services delivered across a complex European technology environment. As an Application Security Specialist, you'll be a key member of the Secure Development Centre of Excellence (CoE), partnering with engineering teams to embed security throughout the software development lifecycle. You'll drive a security-first culture, influence ...

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 … engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile ...

Cyber, we're on a mission to help good people win. Founded in Edinburgh in 2016, we're one of the fastest growing cyber security companies in the UK and North America, serving over 400 customers on four continents. We protect organisations against the rising threat of cyber-attacks … enabling them to thrive in an increasingly unpredictable and inhospitable digital landscape. As a Microsoft-only security house, a Microsoft Solutions Partner for Security, a member of the Microsoft Intelligent Security Association (MISA), and winner of the Microsoft Security MSSP of the Year 2025 award ...

Opportunity Our client is looking to appoint an experienced ICT Cyber & Information Security Manager to take responsibility for a broad range of cyber security, information security, risk and compliance activities across the organisation. This is a key role within the Information Security function, providing the opportunity … take ownership of security activities ranging from the ICT Annual Delivery Plan through to major business growth initiatives, including site transitions and acquisitions across the UK and internationally. You'll work closely with internal teams, senior stakeholders and external partners to strengthen the organisation's cyber and information security ...

fundamental bet is working. We have paying enterprise customers, real revenue and strong early demand for what we're building. We're building autonomous offensive-security agents that find and prove vulnerabilities in real customer environments. They're already uncovering critical vulnerabilities in systems built and operated … turns it into a world-class product and platform. As a Founding Senior Engineer, you'll have an unusually broad mandate: building the product security teams work in, evolving the distributed platform our agents run on, and helping establish how engineering at CodeWall works. There is plenty already here ...

Security Platform Engineer, Red Team, UK Security Operations X Must be a British citizen to meet compliance and security clearance requirements. Office location can either be a satellite site in Wiltshire, or London. This is an on-site position, requiring a standard five day per week schedule … office Bachelor's degree in Computer Science, Information Security, a related field, or equivalent practical experience. 5 years of experience in security engineering, offensive security (Red Team/Purple Team), or platform engineering roles. Experience with infrastructure-as-code and GitOps (e.g., Terraform, Helm, ArgoCD ...