26 to 50 of 104 Offensive Security Jobs in England

client is a global technology company. As a part of the UK Security Operations (SecOps) team in our Public Sector, you will deliver, operate and secure private cloud services. Your aim is to provide the flexibility, reliability, and scalability of public cloud for customers with exceptionally high security … client product teams to continually improve our technology. In this engineering-centric role, you will require deep technical expertise in cloud environments, Kubernetes security, and platform automation. You will work closely with Incident Response, Platform Engineering and Security Architects to ensure that security validation and defensive hardening ...

Meta's Security Engineering team is seeking a Security Engineer to help protect billions of users and Meta's global infrastructure from evolving threats. In this role, you will conduct security assessments, vulnerability research, and threat modeling across Meta's products and systems — spanning mobile applications … platforms, backend services, and internal infrastructure. You will identify systemic security gaps, drive mitigations at scale, and partner with engineering teams to embed security best practices into the software development lifecycle. Your work will directly reduce risk for Meta and its users by turning one-off security ...

where everyone can thrive. Through teamwork and collaboration, we’re building a stronger, more resilient Stantec every day.Your OpportunityThe Senior Ethical Hacker will conduct security assessments on web applications and cloud services by emulating real-world attacks using the Mitre Attack Framework. Their goal is to identify security weaknesses, help prevent data breaches and enhance the security posture by uncovering vulnerabilities, misconfigurations, and risks proactively before they are discovered by threat actors.Your Key ResponsibilitiesCommunicationCollaborate with cross-functional teams (security, engineering, cloud and network operations).Create reports and communicate findings to various technical teams, architects ...

heard, your development is supported, and your work feels meaningful, you will feel at home at Ricoh. We're looking for an Application Security Consultant to join our Cyber, Risk & Security team and play a key role in strengthening application security across Ricoh Europe. This … opportunity to work at the intersection of software engineering, cybersecurity and risk , helping our teams adopt a genuine shift-left approach and making security part of the development lifecycle from design through to deployment. You'll work across both our internal IT environment and customer-facing products and services ...

Role As our first Sales Engineer in the UK, you'll be the technical force behind enterprise security sales. You'll partner with Account Executives to win complex deals, lead deep technical discovery, and demonstrate how Artemis solves real security problems for SOC analysts, security engineers … CISOs. You'll architect proofs-of-value, navigate procurement and security reviews, and serve as the trusted technical advisor from first call through close. This is also an opportunity to shape how we build our technical go-to-market practice in the UK market—you'll help establish playbooks ...

Beachcroft in Bristol is seeking an experienced Cyber Security Offensive Specialist to join the Technology team. You will identify and assess security risks before exploitation, perform penetration testing, and lead adversary simulations to strengthen the firm's cyber resilience. Reporting to the Head of Cyber Security, you will develop offensive security capabilities, create scripts and tooling, and work with IT and business units to prioritise remediation and improve security controls #J-18808-Ljbffr ...

WatchTowr Pte. Ltd. is seeking an Engineering Lead for its Cyber Engineering Squad. This role involves leading a team in tackling complex security challenges while providing mentorship and guidance. You will architect and enhance our offensive security capabilities, working closely with teams across the UK and Singapore. … Ideal candidates will have a proven track record in leading engineering teams, building offensive security solutions, and a strong expertise in programming languages like Python and Go. This is a dynamic opportunity to contribute actively to a fast-growing cybersecurity organization. #J-18808-Ljbffr ...

Klarna is seeking an experienced Offensive Security Engineer to perform penetration testing across internal and public-facing systems. You will triage Bug Bounty submissions, analyze variants, and assess third-party integrations within Klarna's AWS microservice stack. You will build tooling and provide hands-on guidance to developers … teams. You will bring strong coding insight for Java and Node.js, and you’ll participate in training and workshops to spread offensive security practices #J-18808-Ljbffr ...

Description - Threat Research Engineer Security Lab, HP Labs, Bristol, UK We have an exciting opportunity to join the HP security team, to study current and emerging endpoint device attack trends, educate internal and external stakeholders on cyber threats, and help influence HP's security research and innovation … strategy. Our HP Security Lab is recruiting an experienced Threat Research Engineer to focus on researching, analysing, explaining, and reporting emerging threats affecting modern endpoints, from OS-level malware, to hardware and firmware attacks. The role combines hands-on technical analysis of malware with the ability to communicate complex ...

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 ...

experiences to advance social technology. Instagram и Facebook принадлежат компании Meta Platforms Inc., деятельность которой признана экстремистской и запрещена на территории РФ Задачи: Conduct security assessments, penetration testing, and vulnerability research across web, mobile, and backend systems to identify and remediate risks Perform threat modeling and security architecture … reviews for products and infrastructure Identify systemic security gaps and drive scalable, cross-functional mitigations Develop and improve security tooling, automation, and detection capabilities Collaborate with product and infrastructure engineering teams to define security requirements and integrate security controls into the software development lifecycle Lead complex ...

Title: Opportunities in Cyber Security - eDV Required Location: Malvern, England, United Kingdom Role Type: Permanent Full Time Package: Competitive Salary + Benefits At QinetiQ, we’re not just imagining tomorrow; we are creating it. Our mission is to empower and protect lives. The Role: As a Cyber Specialist … solutions to complex problems, including planning and executing advanced red team engagements, simulating real‐world attack scenarios to assess and enhance the organisation’s security posture. Your responsibilities will include: Identifying and exploiting vulnerabilities in infrastructure, applications, and operational processes Developing realistic attack scenarios, leveraging tactics, techniques, and procedures ...

sandboxing, permission models, anti-tampering - and someone has to attack them before someone else does. That's you. You’ll work as an offensive security specialist focused entirely on Klarna's mobile surface. You’ll run penetration tests and red-team exercises against the apps, reverse-engineer builds … find what static review misses, and use the OWASP Mobile Application Security Verification Standard (MASVS) and Testing Guide (MASTG) as your working framework rather than a checklist you fill in after the fact. You’ll work closely with the engineering teams who build and harden the apps, turning what ...

seeking a Product, Application and Offensive Security Engineer to embed security into the design, development, testing, and operation of DTS products and platforms. You will work with product and engineering teams to review designs, assess APIs, run threat models, test systems, and remediate issues. You will lead … secure SDLC efforts, perform threat modelling, and conduct offensive security testing across APIs, data products, and integrations, including AI-enabled capabilities. #J-18808-Ljbffr ...

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 ...

Description: We are looking for a hands‐on Hardware Security Engineer to support the security of SoC hardware platforms. This role is part of the Arm Product Security team and focuses on identifying problems in silicon level security features, understanding their impact, and working in partnership … with architecture and silicon teams to help improve the overall security of our platforms. In this role, you will chip in through detailed technical analysis, proof‐of‐concept demonstrations, and tooling that supports the assessment and improvement of hardware security features across sophisticated SoC platforms. You will work ...

Cyber Security Consultant (Penetration Tester) Department: Cyber Employment Type: Permanent - Full Time Location: City, London Compensation: £45,000 - £55,000/year Description Moore Kingston Smith is seeking an experienced Cyber Security Consultant specialising in penetration testing to join our client-facing advisory team. You will join … NCSC-recognised cyber security team within our Risk Advisory practice, supporting a diverse portfolio of clients across multiple sectors. This is a hands‐on role focused on delivering penetration tests across web applications, APIs, and internal and external network infrastructure. You will also support Cyber Essentials Plus assessments ...

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 ...

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. ...

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 ...

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 ...

digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology. Reports to: CISO Americas At Bullish, security is not a checkpoint, it is the foundation of trust that lets people move billions across our markets with confidence. The Bullish Security … cutting-edge engineering and high-stakes finance, shaping how secure software is built across web, API, mobile, and FIX platforms, and pushing our security bar beyond industry-leading. This is a senior technical leadership role, a hands-on application and cloud security architect who leads through influence, deep ...

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 ...

protects governments, critical infrastructure and large enterprises from identity fraud, deepfakes and sophisticated cyber threats. Задачи Collaborate with the web development team to keep security central to web-based applications Focus on offensive web security as a bridge between Security and Engineering Perform penetration testing, reverse … engineering and vulnerability assessments Identify security risks and work with developers to build secure, resilient web applications Provide expert guidance on secure coding practices Influence architecture and design decisions Embed security throughout the software development lifecycle Write and review production code. Требования Strong experience in web application security ...

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 ...