1 to 25 of 56 Remote/Hybrid Offensive Security Jobs in the UK

Penetration Tester

Location
Greater London, England, United Kingdom
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 ...

Red Team Consultant

Location
West of England, England, United Kingdom
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. ...

Red Team Consultant

Hiring Organisation
Hackajob Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
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. ...

Cyber Security Engineer - Red Team - Remote within UK

Location
West of England, England, United Kingdom
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 ...

Security Engineer (Product Security)

Hiring Organisation
Searchability
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
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 ...

Cyber Security Engineer Information Technology · Head Office ·

Location
Greater Manchester, England, United Kingdom
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 ...

Regional Cyber Security Advisor, Vice President

Location
Greater London, England, United Kingdom
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 ...

Offensive Security and Threat Intelligence Specialist

Location
Swindon, England, United Kingdom
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 ...

AI Security Engineer

Location
Greater London, England, United Kingdom
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 ...

Security Testing Consultant (Penetration Tester) Hybrid

Hiring Organisation
Hackajob Ltd
Location
Camberley, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Security Testing Consultant (Penetration Tester) Hybrid

Location
United Kingdom
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 ...

Application Security Specialist

Location
Greater London, England, United Kingdom
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 ...

Senior Consultant – Offensive Cyber Security

Location
Greater London, England, United Kingdom
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 ...

ICT Cyber and Information Security Manager

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Stockton-on-Tees, County Durham, United Kingdom
Employment Type
Permanent
Salary
£70000 - £85000/annum (plus company benefits & bonuses)
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 ...

Purple/Blue Team Lead

Hiring Organisation
Talent Smart Limited
Location
Home Based, United Kingdom
Employment Type
Contract
Contract Rate
GBP 800 Daily
considered, you must have AI & Advanced Threat Defence experience (purple or blue team) Job Title Security Purple Team Lead - Blue Team, AI & Advanced Threat Defence - Contract Contract Length 2 months initial Overview We are seeking an experienced Security Purple Team Lead to join a major cybersecurity programme within … this is a Purple Team role, the current requirement has a stronger emphasis on Blue Team activity. The successful candidate will bring strong defensive security experience across threat detection, detection engineering, threat hunting and security operations, while having sufficient understanding of offensive security and Red Team ...

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 ...

AI Software Engineer

Hiring Organisation
Infosec
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
join its permanent, fully remote team in the UK. This senior-level role focuses on building intelligent AI agents that can plan, reason, operate security tooling and identify exploitable vulnerabilities within controlled environments. Key Responsibilities: Design, build and deploy AI agents that automate penetration testing, including planning, tool … reasoning over security findings Develop sandboxed cyber-lab and range infrastructure using containers and Kubernetes Deliver AI features from initial design through to production, including evaluations, guardrails and monitoring Improve agent performance through prompt engineering, tool orchestration, evaluation and token and cost optimisation Integrate security tools and enable ...

Managing Security Architect

Hiring Organisation
Sopra Steria
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
Shape the future of cyber security. Protect what matters most. This is more than an architecture role. It's an opportunity to shape security strategy for major organisations, influence critical business decisions, and work at the forefront of cyber security innovation. If you're passionate about reducing risk … improving resilience, and delivering secure digital transformation at scale, we'd love to hear from you. Are you a seasoned Security Architect ready to influence enterprise-scale transformation? This is your chance to lead from the front, helping clients tackle complex cyber challenges while embedding security into ...

Staff / Senior Staff Security Engineer, Vinted Pay

Location
Greater London, England, United Kingdom
Staff/Senior Staff Security Engineer, Vinted Pay London, United Kingdom Vinted Marketplace Brief info about Vinted Our mission is to make second-hand the first choice, and we're looking for people who want to help us get there. Every day, we work together to help our members … grown with offices across Europe, supported by a team of over 2,000 people. Information about the position As Staff/Senior Staff Security Engineer in Vinted Pay, you will be the staff‐level security engineer inside our regulated payments business - and the person who makes Vinted ...

Remote Web Security Engineer — Offensive Security & JS

Location
Greater London, England, United Kingdom
Client Server is seeking a Web Security Engineer to collaborate with the web development team and dominate offensive security across web-based applications. You will perform penetration testing, reverse engineering and vulnerability assessments, identifying risks and guiding developers to build secure, resilient software from the ground up. ...

Security Testing Consultant (Penetration Tester) Hybrid

Hiring Organisation
BAE SYSTEMS
Location
Camberley, Surrey, United Kingdom
Salary
£ 70 K
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 TesterLocation: UK WideWho we areJoin BAE Systems and you’ll be part of something bigger. As a valued member of our global … 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 ...

Web Security Engineer JavaScript

Location
Greater London, England, United Kingdom
technology protects governments, critical infrastructure and 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 … specialist security team, you'll focus on offensive web security, acting as the bridge between Security and Engineering. You'll perform penetration testing, reverse engineering and vulnerability assessments, identifying security risks and working closely with developers to build secure, resilient web applications from the ground ...

Senior Offensive Security Analyst London, England, United Kingdom

Location
Greater London, England, United Kingdom
specialise in cloud migration and development, digital transformation including agile software development, DevOps, automation, data and machine learning... We’re hiring a Senior Offensive Security Analyst with deep expertise in API Security, OAuth, and web application penetration testing. The role will exclusively focus on identifying weaknesses … authentication and authorisation implementations across multiple teams, ensuring consistency and strong security practices within APIs and services. Please note: This role is fully remote and open to candidates located anywhere within the UK. Required Experience: Strong background in web application penetration testing Deep, hands‐on expertise in API Security ...

Lead Security Engineer

Location
Swansea, Wales, United Kingdom
Made Tech helps UK government and public sector organisations build better digital services - and security is central to that mission. As a Lead Security Engineer in our Cyber practice, you'll be the most senior security engineering voice on client engagements, setting technical direction for how organisations … This isn't a role where you sit at the edge of delivery reviewing outputs. You'll be embedded in multidisciplinary teams, shaping how security is engineered into everyday work - from threat modelling and architecture at design time to hardened, monitored systems in production. You'll build trusted relationships ...

Lead Security Engineer

Location
West of England, England, United Kingdom
Made Tech helps UK government and public sector organisations build better digital services - and security is central to that mission. As a Lead Security Engineer in our Cyber practice, you'll be the most senior security engineering voice on client engagements, setting technical direction for how organisations … This isn't a role where you sit at the edge of delivery reviewing outputs. You'll be embedded in multidisciplinary teams, shaping how security is engineered into everyday work - from threat modelling and architecture at design time to hardened, monitored systems in production. You'll build trusted relationships ...