51 to 75 of 122 Offensive Security Jobs in the UK

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 ...

This is a hands-on role combining penetration testing expertise with the coordination and oversight of testing engagements, third-party suppliers, vulnerability remediation and security findings. You will be responsible for ensuring tests are appropriately scoped, executed to a high standard, and that resulting vulnerabilities are clearly documented, prioritised … stakeholders and third parties, escalating blockers and ensuring residual risks are appropriately recorded and accepted. Ensure penetration testing and remediation activities align with relevant security standards, regulatory requirements and industry best practice, including OWASP, NIST, ISO 27001, PCI-DSS, GDPR and CAF. Ensure appropriate governance, documentation and evidence ...

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 ...

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 ...

UKRI, located in Swindon with hybrid working options between Polaris House, Swindon and Harwell, seeks an Information Security specialist to lead offensive security and penetration testing initiatives. The role offers exposure to cutting-edge security challenges within a leading scientific research environment. You will perform targeted … tests, develop offensive tooling, analyse threat intelligence, and produce actionable reports to strengthen security across UKRI assets and facilities. #J-18808-Ljbffr ...

tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations: Austin (US), London (UK) Role Summary As a Product Security Engineer, you will support security assessments and vulnerability operations for Cloudflare’s core software products. In this role, you will analyze system architecture … threat model new features, and ensure that product-related security findings are accurately triaged, routed to the correct engineering owners, and mitigated within our SLAs. On any given day, you might conduct a deep-dive security review on a new feature design, triage a complex bug bounty submission ...

products and infrastructure. Your primary responsibility will be to deal with privacy vulnerabilities by designing and guiding Software Engineers through remediations, learning from security/privacy incidents, and identifying vulnerabilities across our codebase at scale. Your skills will be the foundation of security initiatives that protect the security … connected by identifying and neutralizing threats that aim to collect sensitive information or disrupt our systems. 2+ years work experience in technical privacy, security, or security software engineering domains, including incident response, application privacy/security, and/or offensive security Experience identifying, analyzing ...

Atari is seeking a Senior Offensive Security Engineer to evaluate and strengthen the security posture of IT infrastructure, applications, and networks. You will lead vulnerability assessments and hands‐on penetration testing, collaborating with cross‐functional teams to improve security controls and incident response readiness. The role … requires 3+ years in VAPT or related security fields, with familiarity in IoT/OT security and relevant certifications preferred. #J-18808-Ljbffr ...

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, and other advanced offensive security techniques Write detailed, clear, and professional reports for technical and non-technical stakeholders Collaborate with a team of skilled professionals ...

which involves spending at least two days per week, or 40% of our time, at one of our office sitesAbout this opportunityWithin the Chief Security Office (CSO) our role is to protect the Group and our customers from security threats, and to enable the Group's businesses … scale and speed.As a Senior DevOps/Platform Engineer, you will build and operate the infrastructure that the harness runs on. Autonomous agents executing offensive security workloads demand an unusually high bar: strong isolation, tightly controlled egress, hardened runtimes, and complete evidential traceability. You will design that platform ...

which involves spending at least two days per week, or 40% of our time, at one of our office sitesAbout this opportunityWithin the Chief Security Office (CSO) our role is to protect the Group and our customers from security threats, and to enable the Group's businesses … scale and speed.As a Senior DevOps/Platform Engineer, you will build and operate the infrastructure that the harness runs on. Autonomous agents executing offensive security workloads demand an unusually high bar: strong isolation, tightly controlled egress, hardened runtimes, and complete evidential traceability. You will design that platform ...

which involves spending at least two days per week, or 40% of our time, at one of our office sitesAbout this opportunityWithin the Chief Security Office (CSO) our role is to protect the Group and our customers from security threats, and to enable the Group's businesses … scale and speed.As a Senior DevOps/Platform Engineer, you will build and operate the infrastructure that the harness runs on. Autonomous agents executing offensive security workloads demand an unusually high bar: strong isolation, tightly controlled egress, hardened runtimes, and complete evidential traceability. You will design that platform ...

United States Digital Space LLC is seeking a Senior Offensive Security Engineer to assess and strengthen security across IT infrastructure, applications, and networks. You will identify vulnerabilities, perform hands-on penetration testing, and collaborate with cross-functional teams to implement robust security controls. The role requires ...

Quorum Cyber in Edinburgh is seeking a Senior Offensive Security Engineer (Autonomous testing) to lead and scale offensive engagements, including networks, web apps, and cloud, while developing agentic AI for autonomous testing stages. You will drive the evolution from human-led security testing to AI-assisted ...

looking for a Cyber Threat & Vulnerability Analyst to join our Cyber Security team, helping protect the systems that deliver essential water services to millions of customers every day. You'll play a key role in identifying, assessing, and reducing cyber risk across a large and complex technology estate, making … identify, assess, and manage cyber vulnerabilities across the organisation. You’ll help shape how we reduce cyber risk and strengthen our overall security posture. Support end-to-end vulnerability management across IT and operational technology environments Help shape and improve threat and vulnerability management processes, frameworks, and ways ...

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 Software Engineer, you'll work across the stack to build the product security teams use every day — from polished, intuitive interfaces through to the APIs, data models and systems behind them. This isn't a role where ...

help shape Pen Test delivery and QA strategy, challenge approaches, and improve consistency of outcomes across vendors and stakeholder groups. An applicant from a security consulting firm or a financial services background will have a distinct advantage. Job Responsibilities The role’s responsibilities include Own vendor management for penetration … style risk/issue tracking) with the ability to produce crisp, executive-ready status reporting. Strong understanding of penetration testing delivery models and the offensive security space (not hands-on execution, but able to challenge, translate, and steer), including the ability to identify gaps in methodology, inconsistent severity ...

help shape Pen Test delivery and QA strategy, challenge approaches, and improve consistency of outcomes across vendors and stakeholder groups. An applicant from a security consulting firm or a financial services background will have a distinct advantage. Job Responsibilities The role's responsibilities include Own vendor management for penetration … style risk/issue tracking) with the ability to produce crisp, executive-ready status reporting. Strong understanding of penetration testing delivery models and the offensive security space (not hands-on execution, but able to challenge, translate, and steer), including the ability to identify gaps in methodology, inconsistent severity ...

with clients to scope objectives and threat scenarios, then plan and execute realistic operations within agreed rules of engagement. The role combines hands-on offensive security with research, problem solving and operational tradecraft. You'll build and manage red team infrastructure, develop custom tooling, research emerging TTPs … colleagues remotely but must be commutable to London every 2-3 weeks. About you: You have strong experience in a similar Red Team/Offensive Security role and keep up to date with emerging adversary tradecraft, tooling and TTPs relevant to red team operations You have advanced problem ...

WatchTowr Pte. Ltd. is looking for a candidate who thrives at the intersection of offensive security, AI, and experimentation. In this role, you will build innovative tooling that enhances security workflows while integrating directly into the watchTowr Platform, helping protect major enterprises from vulnerabilities. Your curiosity … high-energy mindset will be key in exploring advanced AI applications for security, working autonomously in a fast-paced, dynamic environment. Join a growing company and make significant contributions. #J-18808-Ljbffr ...