26 to 50 of 52 Security Testing Jobs in the UK

Senior Product Security Engineer London (Hybrid) Salary: £80,000 - £100,000 This is an opportunity to join a forward-thinking technology-driven business where security is embedded from day one. You will play a key role in shaping how products are built securely, working closely with engineering teams … strong emphasis on collaboration and continuous improvement, they have built a culture where teams are empowered to challenge conventions and deliver meaningful change. Security is treated as a core pillar of product development, not an afterthought. As part of a growing InfoSec function, you will join a team that ...

Senior Cyber Security Consultant As a Senior Cyber Security Consultant at Actica, you will have the opportunity to provide support to a wide range of high‐profile UK public sector, critical national infrastructure and defence organisations. Your help will enable them to protect their ICT investments … play a key role in nationally critical projects which make a real difference to people’s everyday lives. We are a National Cyber Security Centre Assured Cyber Security Consultancy. Locations: London, Guildford, Bristol, M4 corridor Roles and Responsibilities Working either individually or as part of a larger Actica ...

quality, reliability, and performance of high-volume transaction platforms. You will work closely with developers, business analysts, and stakeholders to design and execute robust testing strategies across both manual and automated environments. This is an excellent opportunity for someone who is passionate about quality engineering, continuous improvement, and modern … test automation practices, including AI-driven testing techniques. Key Responsibilities Design, prepare, and maintain test plans, test cases, regression packs, and automated test suites. Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. Perform RESTful API testing and validation. ...

quality, reliability, and performance of high-volume transaction platforms. You will work closely with developers, business analysts, and stakeholders to design and execute robust testing strategies across both manual and automated environments. This is an excellent opportunity for someone who is passionate about quality engineering, continuous improvement, and modern … test automation practices, including AI-driven testing techniques. Key Responsibilities Design, prepare, and maintain test plans, test cases, regression packs, and automated test suites. Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. Perform RESTful API testing and validation. ...

quality, reliability, and performance of high-volume transaction platforms. You will work closely with developers, business analysts, and stakeholders to design and execute robust testing strategies across both manual and automated environments. This is an excellent opportunity for someone who is passionate about quality engineering, continuous improvement, and modern … test automation practices, including AI-driven testing techniques. Key Responsibilities Design, prepare, and maintain test plans, test cases, regression packs, and automated test suites. Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. Perform RESTful API testing and validation. ...

Retail Hybrid: either London or Welwyn Garden City (whichever is closest) 3 days per week 6 months £850 per day In short: Our Application Security team require a strong Python generalist to run, deploy and maintain purpose-built applications. You'll need solid experience across Python development, DevOps, Cloud … awareness of security protocols. About The Role We are committed to align with the digital advancements of the business and secure new technologies that enable our business to have a superior focus on serving our customers, communities, and planet. As part of our Security Engineering Platforms team ...

Retail Hybrid: either London or Welwyn Garden City (whichever is closest) 3 days per week 6 months £850 per day In short: Our Application Security team require a strong Python generalist to run, deploy and maintain purpose-built applications. You'll need solid experience across Python development, DevOps, Cloud … awareness of security protocols. About The Role We are committed to align with the digital advancements of the business and secure new technologies that enable our business to have a superior focus on serving our customers, communities, and planet. As part of our Security Engineering Platforms team ...

From day one, you'll be embedded within Agile delivery teams and play a key role in shaping and executing performance and non-functional testing strategies. This is a highly hands-on role, with a strong focus on load, stress, and endurance testing, identifying bottlenecks, and working closely … with development teams to optimise system behaviour under real-world conditions. While automation forms a key part of the testing approach, this role goes beyond functional automation, requiring a clear understanding of how systems behave under pressure and how to continuously improve performance outcomes. Manual testing will still ...

days in the office and three days working from home each week. The Test Engineer is responsible for multidisciplinary test of software systems, integration testing, regression testing, load testing and security testing. Ensuring that the highest quality of work is achieved prior to release. There will … opportunity to work on a variety of projects and assist with the day to day running and maintenance of the testing function. Gathering technical requirements from the team and devise a test plan through using XRay in Jira. Collaborating and communicating regularly with Developers and clarifying requirements with stakeholders. ...

Penetration Tester | CHECK Team Member | £50-55k We're working with a growing UK cyber security consultancy delivering penetration testing services to government and public sector organisations. They're looking for a CHECK Team Member to join the team, delivering high-quality security assessments across … days annual leave Location: Remote/Hybrid (WFH + client visits) Clearance: Active SC essential What You'll be Doing: Delivering CHECK penetration testing engagements across client environments Conducting infrastructure, web application, cloud, and Active Directory security assessments Identifying vulnerabilities and providing practical remediation advice Producing clear, high ...

Security Test Engineer Location: 4 days per wk in Glasgow/1 day from home Salary: Circa 75k-80k + Benefits Security Test Engineer required by a Global Engineering Company! You'll be responsible for ensuring the security robustness of software and firmware components for their product … portfolio. The role also involves conducting threat compliance modelling, security testing, and vulnerable assessments Essential: Minimum 5 years of experience in software and/or firmware testing Engineering degree in Software, Computer Science, Cybersecurity or demonstrated knowledge. Proficiency with tools: Burp Suite, OWASP ZAP, Nessus, Nmap Fortify ...

hybrid IT environment. Using a risk-based, threat-informed approach, you will prioritise remediation efforts and work closely with stakeholders to enhance the security posture of our systems and services. Vulnerability Management (Primary Focus) Lead and improve the organisation's vulnerability management programme across a hybrid IT environment, including … infrastructure and applications. Oversee penetration testing activities, including scoping, prioritisation, stakeholder engagement, and remediation tracking. Assess and prioritise vulnerabilities using a risk-based, threat-informed approach aligned with business, regulatory, and audit requirements. Manage the full vulnerability lifecycle, including triage, mitigation planning, remediation guidance, and coordination with relevant teams. ...

Test Infrastructure Engineer - Tauton, Onsite - Outside IR35 - Highest Security Clearance As a QA Test Infrastructure Engineer, you'll help design, build, and deliver secure digital solutions in highly secure environments. You'll work alongside engineers, architects, and delivery specialists to develop technology that enables faster, safer decision-making … monitoring, and pipelines align to readiness standards. Design and execute tests across physical infrastructure and IaC, including functional, integration, regression, resilience, non-functional, and security-related scenarios. Apply Secure-by-Design principles; support security testing; contribute to accreditation, assurance, and compliance documentation. Key Responsibilites Required Infrastructure, Networking ...

keen eye for detail in both functionality and design. The Role You’ll be supporting the final stages of delivery by conducting manual testing of a native mobile application (iOS & Android). Working alongside an internal QA team, your focus will be to validate that the app: Functions … external quality checkpoint , providing valuable, unbiased insight ahead of a scheduled penetration test in early July . Key Responsibilities Perform end-to-end manual testing across Android and iOS devices Review the app against design specifications to ensure visual accuracy and consistency Identify and document bugs, UX issues ...

do. As a key member of the team, you will be responsible for ensuring that all software releases meet the highest standards through comprehensive testing practices. You will work closely with Developers, Product Owners and Business Analysts to understand requirements, identify test scenarios, and deliver robust testing outcomes. … Responsibilities Perform system, integration and regression testing to ensure product quality Develop and execute detailed test plans and test cases using Jira (X-Ray) Review business and technical requirements, identifying test conditions and gaps Manage defects and work closely with development teams to resolve issues quickly Support load ...

exciting expansion phase, they're looking for a Penetration Tester to play a key role in their growth. The Role You'll lead penetration testing across web applications, networks, APIs, cloud environments, and mobile applications, as well as red team assessments and social engineering engagements. Working directly with clients … assess risks, deliver tailored security solutions, produce clear and actionable reports, and mentor junior team members. Experience Proven hands-on experience in penetration testing, ethical hacking, and red teaming Proficiency with tools such as Burp Suite, Metasploit, Nmap, Kali Linux, BloodHound, Cobalt Strike, and Wireshark Strong understanding ...

Security Test Engineer Location: 4 days per wk in Glasgow/1 day from home Salary: Circa 75k-80k + Benefits Security Test Engineer required by a Global Engineering Company! You'll be responsible for ensuring the security robustness of software and firmware components for their product … portfolio. The role also involves conducting threat compliance modelling, security testing, and vulnerable assessment... CRWG1_UKTJ ...

Practices: Perform root-cause analysis of production incidents and mature our observability, logging, and metrics-gathering tools to improve system reliability. DevSecOps: Ensure security by design, governance, and compliance across our systems, proactively monitoring vulnerabilities and embedding automated security testing directly into development workflows. CI/… Release Engineering: Drive continuous improvement and continuous delivery, ensuring we deploy confidently and quickly by optimizing testing and deployment processes within our CI/CD pipelines. Essential Skills We expect a strong candidate to show experience and expertise in: Advanced Infrastructure as Code using industry-standard tools (e.g., Terraform ...

Manchester office. We are seeking a Director to lead our Vulnerability Management (VM) team. This role is ideal for an experienced security leader with a risk mindset who can oversee all aspects of vulnerability management, including identification, risk prioritization, and remediation of vulnerabilities discovered. The ideal candidate for this … through automation, leveraging AI where appropriate. Success will look like: Application of a risk mindset with consideration for the company’s set of standing security controls Ideas on opportunities to strengthen protection of our critical assets Strong collaboration across the vulnerability management teams and stakeholders Delivering real-time metrics ...

Penetration Tester Clerkenwell, Greater London Contract Outside IR35 Job Description Infrastructure Penetration Tester An organisation is delivering a significant multi-phase testing programme and is looking for an experienced Infrastructure Penetration Tester to join the team. This role will focus on hands-on penetration testing across external … infrastructure penetration tests, starting with perimeter systems and moving into internal networks. Perform configuration reviews across servers, firewalls, routers, and network devices. Execute API security testing to assess authentication, data access, and integration risks. Deliver CHECK-style network and infrastructure testing in line with industry standards. Collaborate ...

About Semgrep Semgrep, the leader in code security for builders, empowers invention without friction. Teams catch, flag, and fix real issues before they ship, powered by security that learns as they build. Semgrep secures code as it’s written and provides guardrails that pave the road for developers … move fast and stay secure. Built for builders and trusted by security, Semgrep lives where developers work, delivering fixes without breaking flow, and giving security teams visibility, control, and confidence. Semgrep gets smarter as you build, with AI that learns your context to cut false positives and prioritize ...

automation * Build Infrastructure as Code using Terraform or AWS CDK * Improve engineering workflows, release processes, and platform reliability * Implement best practices across monitoring, logging, security, testing, and resilience * Ensure systems remain secure, scalable, and compliant with GDPR and healthcare regulationsEngineering Leadership * Mentor and support engineers across the organisation … Conduct code reviews and promote engineering best practices * Help establish coding standards, testing frameworks, and operational excellence * Foster a collaborative, high-performing engineering cultureTechnology StackCloud & Infrastructure AWS (Lambda, API Gateway, EventBridge, SQS, Step Functions, S3, CloudWatch, RDS)Backend Node.js, TypeScriptFrontend React, Next.js, Tailwind CSSData & Architecture PostgreSQL, Serverless, Event-Driven ...

automation Build Infrastructure as Code using Terraform or AWS CDK Improve engineering workflows, release processes, and platform reliability Implement best practices across monitoring, logging, security, testing, and resilience Ensure systems remain secure, scalable, and compliant with GDPR and healthcare regulations Engineering Leadership Mentor and support engineers across … organisation Conduct code reviews and promote engineering best practices Help establish coding standards, testing frameworks, and operational excellence Foster a collaborative, high-performing engineering culture Technology Stack Cloud & Infrastructure AWS (Lambda, API Gateway, EventBridge, SQS, Step Functions, S3, CloudWatch, RDS) Backend Node.js, TypeScript Frontend React, Next.js, Tailwind CSS Data ...

About PortSwigger PortSwigger is the company behind Burp Suite — the world’s most widely adopted web security testing platform. Used by over 90,000 organisations worldwide, Burp Suite is the tool of choice for penetration testers, security teams, and developers who need to find … partners, built organically over the last decade. We have a strong global network of resellers and distributors supporting a diverse customer base — from individual security practitioners through to some of the world’s most recognisable enterprise organisations. But this is just the starting point. This is an individual contributor ...

architecture decisions, platform design and engineering best practices Evaluate emerging AI technologies and determine where they can create competitive advantage Help establish standards around security, testing, observability and deployment of AI systems Your Experience Strong software engineering foundations Experience building and deploying AI products into production environments Python ...