21 of 21 Security Testing Jobs in the South East

Senior Application Security Engineer Location: Hybrid working or homeworking with view to attend office occasionally Salary: £60,000 – £70,000 per annum Bonus: Discretionary bonus of up to 10% Are you passionate about securing modern applications and cloud environments? We’re looking for a Senior Application Security Engineer to join my client's growing team and play a … key role in shaping the security posture of our organisation. About the Role As a Senior Application Security Engineer, you’ll bring deep expertise in application security testing, cloud security, and secure development practices. You’ll work closely with IT, development, and project teams to embed security into every stage of the software development … lifecycle and drive a risk-based approach to vulnerability management. Key Responsibilities Lead application security initiatives across cloud-native and enterprise environments. Promote secure design principles, threat modelling, and best practices across teams. Own and evolve the technical vulnerability management programme. Implement and support security controls, particularly within Azure cloud environments. Evaluate and deploy best-in-class application More ❯

My global service provider client is expanding their solutions team and is hiring a DevSecOps Director to lead secure software development, DevSecOps, and security testing. Drive high-impact initiatives, embed security across the organisation, shape secure solutions, mentor teams, and ensure resilience against evolving threats. About the job: Lead the secure software development lifecycle, security testing, and DevSecOps practices across strategic and operational levels. You will ensure security is embedded from design through deployment, oversee secure coding and testing, and drive operational maturity and resilience against evolving threats What you'll do: Define and govern secure architecture standards, aligned with NIST, OWASP, ISO 27001, and enterprise policies Lead DevSecOps integration, embedding automated security testing (SAST, DAST, SCA, container security) into CI/CD pipelines Oversee large-scale secure development programs, ensuring SLA/KPI compliance and high-quality service delivery Support pre-sales & business development, articulating security value propositions, contributing to SOWs, and advising clients on secure solutions Manage budgets, resource planning, and profitability, while identifying operational efficiencies Mentor More ❯

We're seeking a Quality Engineer with hands-on experience in C#, Visual Studio, and the Microsoft tech stack. If you have experience testing both frontend and backend systems and enjoy driving automation and quality in a fast-paced, collaborative environment, wed love to hear from you! We are Preservica, and our active digital preservation solutions are at the … Gherkin syntax and ReqNRoll. Participate in Agile ceremonies, story reviews, and provide early feedback on testability and quality. Expand test coverage across regression and feature test suites. Perform exploratory testing during feature development. Conduct code reviews for test scripts and contribute to internal tooling. Support performance testing using Azure Load Testing, JMeter, or Locust.. Contribute to backend …/API testing and support security testing initiatives. What We Offer We are an open progressive employer that values our staff as the heart of our business. As well as a competitive salary and benefits package, we offer tangible career development opportunities and dedicated training time to support professional growth. Our benefits package includes Life Insurance, Private More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments … contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings … clearly. Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments … contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings … clearly. Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … or Selenium Write clear, maintainable test scripts Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … or Selenium Write clear, maintainable test scripts Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … test scripts using Gherkin syntax and ReqNRoll Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

Job Title: Senior Application Security EngineerSalary: £70,000Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers its people to shape the future of secure digital transformation across a wide range … part of a business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly technical and collaborative cyber team - supported by a …/7 external SOC - you'll research, test, and implement next-generation security solutions to safeguard data and systems. This role offers the chance to lead on application and cloud security initiatives, influence secure design standards, and mentor colleagues in best practices. Key Responsibilities Lead application and cloud security initiatives, ensuring systems and software are secure by More ❯

The Ellison Institute of Technology (EIT) tackles humanity's greatest challenges by turning science and technology into impactful global solutions. Focused on areas like health, food security, sustainable agriculture, climate change, clean energy, and robotics in an era of artificial intelligence. EIT blends groundbreaking research with practical applications to deliver lasting results. A cornerstone of EIT mission is its … pipelines and platform features, and support bioinformaticians in building and deploying their workflows. You'll be responsible for maintaining infrastructure, designing secure automation pipelines, managing cloud environments, and ensuring security and compliance. You'll collaborate with cross-functional teams, data engineers, backend, and full-stack developers, to build robust, automated deployment pipelines across our environments. Key Responsibilities Design, implement … Infrastructure (OCI). Develop and manage Infrastructure as Code (IaC) with tools like Terraform to enable secure, repeatable deployments. Implement and manage CI/CD pipelines, focusing on automated security testing, deployment, and monitoring. Ensure all aspects of the data platform OCI infrastructure, data ingest pipelines, tool deployments, access controls, and monitoring are developed, tested, and deployed using More ❯

/Flexible) Salary: Up to £80,000 + Bonus + Benefits Employment Type: Permanent Overview We are seeking an experienced Senior Penetration Tester with a strong background in infrastructure security testing to join a growing offensive security team. The ideal candidate will have deep technical expertise, the ability to lead and independently deliver complex engagements, and a … passion for uncovering and exploiting vulnerabilities across enterprise environments. You will play a key role in strengthening the organisation's security posture by conducting infrastructure-focused assessments, mentoring junior testers, and influencing remediation strategies. Key Responsibilities Deliver internal and external network and infrastructure penetration tests , including on-premises and cloud-hosted environments Perform testing of Windows & Linux infrastructure … Active Directory, network services, and security appliances Conduct vulnerability exploitation , privilege escalation, and lateral movement to demonstrate full attack paths Lead small engagement teams and oversee delivery quality, documentation, and client communication Produce high-quality, concise, and risk-aligned reports with actionable remediation guidance Support scoping calls, stakeholder workshops, and post-engagement debriefs Contribute to tooling, methodology enhancement, and More ❯

DevSecOps Engineer Permanent | UK (Hybrid - a few times per month) | Up to £84k We're partnering with a respected, forward-thinking professional services firm that's serious about embedding security into every corner of its digital transformation journey. This is a pivotal hire within their growing tech function - they're after a DevSecOps Engineer (or Lead Software Security … that genuinely backs its people. They've built a collaborative, agile culture where innovation is encouraged and development is a priority. If you're someone who thrives on moving security left, guiding engineering teams with clarity, and making a real impact - this is your kind of role. What you'll be doing: You'll lead the charge in shifting … the culture towards DevSecOps across multiple product teams, embedding security from the ground up. That means defining and rolling out a product security strategy that aligns with business goals, working closely with developers to automate and streamline security testing, and supporting pen test activity with smart, secure remediation. You'll be the go-to expert on More ❯

Quality Assurance Manager – Software Development & Testing Location: Bracknell, Berkshire Type: Permanent | Full-time Salary: Competitive + Benefits About the Role We’re seeking an accomplished Quality Assurance Manager with a strong background in software development and testing. In this role, you’ll oversee a dedicated QA team and play a strategic part in ensuring every product release meets the … heart of our software delivery process. Key Responsibilities Planning & Process Oversee and continuously improve QA strategy, standards, and processes across projects. Review functional and technical requirements to ensure comprehensive testing coverage. Develop structured test plans, test cases, and estimations for project delivery. Champion automation frameworks that enhance speed, scalability, and accuracy. Collaborate with developers, product owners, and delivery teams … to ensure full alignment between testing and business requirements. Testing & Quality Assurance Manage and prioritise testing activities across projects and releases. Lead the identification, documentation, and resolution of defects. Oversee regression testing and quality validation prior to deployment. Ensure all software releases meet internal and client quality standards through both manual and automated testing. Continuous Improvement More ❯

Engineer in Test to help them strengthen how they build, test, and prove reliability at scale. Why This Role Matters Until now, their developers have owned most of the testing themselves. It’s worked, but now they’re looking to take the next step forward. They need someone who can bring structure, strategy, and technical depth. Someone who knows … the person who turns “it’s working fine” into “we know it’s solid.” This isn’t a role with a pre-written playbook. You’ll be shaping the testing function from the ground up, designing frameworks, setting standards, and showing the rest of us what good really looks like. What You’ll Be Doing Own the testing … virtual and physical. Work with real hardware — Raspberry Pis, embedded devices, and networked test rigs. Troubleshoot networks and systems, verify connectivity, and validate new features. Develop performance, scalability, and security testing as we scale. Collaborate closely with developers, integrating testing into the development flow. Document test standards and help free up developer time for core coding work. More ❯

Role-Based Access Control (RBAC) Specialist to join our high profile public sector Client on a short term contract. The ideal candidate will be responsible for reviewing and redesigning security roles within existing Oracle Fusion Human Capital Management (HCM) production environment, while also defining and implementing security roles for upcoming Oracle Fusion ERP Financials and Oracle Fusion ERP … Procurement solutions that are currently undergoing testing under Finance Modernisation Programme. This role is critical to ensuring systems have a robust, secure, and compliant access framework before and after go-live. Responsibilities: Review and Redesign: Conduct a comprehensive review of existing Oracle Fusion HCM security roles in the production environment. Identify and redesign roles to align with business … processes, segregation of duties principles (including in enhanced privileged access needed for business and tech support teams), and security best practices. Ensure these are aligned with Bank security policies and existing IDAM tools. Design and Implementation: Design and implement new security roles and data access for the Oracle Fusion ERP Financials and Fusion ERP Procurement modules, which More ❯

Role-Based Access Control (RBAC) Specialist to join our high profile public sector Client on a short term contract. The ideal candidate will be responsible for reviewing and redesigning security roles within existing Oracle Fusion Human Capital Management (HCM) production environment, while also defining and implementing security roles for upcoming Oracle Fusion ERP Financials and Oracle Fusion ERP … Procurement solutions that are currently undergoing testing under Finance Modernisation Programme. This role is critical to ensuring systems have a robust, secure, and compliant access framework before and after go-live. Responsibilities: Review and Redesign: Conduct a comprehensive review of existing Oracle Fusion HCM security roles in the production environment. Identify and redesign roles to align with business … processes, segregation of duties principles (including in enhanced privileged access needed for business and tech support teams), and security best practices. Ensure these are aligned with Bank security policies and existing IDAM tools. Design and Implementation: Design and implement new security roles and data access for the Oracle Fusion ERP Financials and Fusion ERP Procurement modules, which More ❯

Role-Based Access Control (RBAC) Specialist to join our high profile public sector Client on a short term contract. The ideal candidate will be responsible for reviewing and redesigning security roles within existing Oracle Fusion Human Capital Management (HCM) production environment, while also defining and implementing security roles for upcoming Oracle Fusion ERP Financials and Oracle Fusion ERP … Procurement solutions that are currently undergoing testing under Finance Modernisation Programme. This role is critical to ensuring systems have a robust, secure, and compliant access framework before and after go-live. Responsibilities: Review and Redesign: Conduct a comprehensive review of existing Oracle Fusion HCM security roles in the production environment. Identify and redesign roles to align with business … processes, segregation of duties principles (including in enhanced privileged access needed for business and tech support teams), and security best practices. Ensure these are aligned with Bank security policies and existing IDAM tools. Design and Implementation: Design and implement new security roles and data access for the Oracle Fusion ERP Financials and Fusion ERP Procurement modules, which More ❯

Affinity Water has a exciting opportunity available to work in our Cyber Security Team as a Operational Technology Information Security Analyst. The Role: As a Operational Technology Information Security Analyst will be responsible for safeguarding the organisation's Operational Technology (OT) environments from cyber threats. This role involves implementing OT security measures, monitoring the OT network … for threats, leading incident response efforts, validating security controls, and ensuring the resilience of OT systems. What you'll be doing: Implement and manage OT security controls, measures, and technologies to protect critical assets and systems. Conduct risk assessments, vulnerability management, and security testing. Develop and implement incident response plans and ensure compliance with regulations. Conduct proactive … threat hunting and reactive incident response. Provide regular reports on security status, including incidents, vulnerabilities, and overall health of OT systems. Collaborate with cross-functional teams, including network engineers, system administrators, and external cybersecurity teams. What you'll need: At least 3 years of experience in OT security engineering, incident response, or a related field. Ability to manage More ❯

/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing excellence … across the team. Essential Skills and Experience: Proven experience in test automation using Cypress or Playwright. Strong knowledge of API testing (REST, WebSocket). Proficiency in JavaScript/TypeScript. Experience integrating tests within CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins). Manual and exploratory testing experience. Background in Agile/Scrum delivery environments. Previous experience … in financial services, fintech, or trading systems. Desirable Skills: Working knowledge of SQL, Docker, or cloud platforms (Azure preferred). Familiarity with performance and security testing. Experience leading or shaping test automation strategies. Package: £70,000 - £80,000 Discretionary bonus Full corporate benefits On-site (5x week in London More ❯

Oxford or London (hybrid: 3 office/2 WFH) Join a world-class research and technology organisation using data and AI to tackle global challenges - from health and food security to climate and clean energy. They're now hiring a Senior DevSecOps Engineer to help build and secure this cloud-first data platform. You'll drive automation, embed security … Design and maintain secure cloud infrastructure (Oracle Cloud Infrastructure). Build IaC with Terraform for consistent, automated deployments. Develop CI/CD pipelines (e.g., GitHub Actions) with built-in security testing. Support data scientists and engineers in deploying secure, automated workflows. Implement monitoring and compliance (ISO 27001, SOC 2, GDPR). Mentor engineers on DevSecOps best practices. What you … ll bring Strong cloud experience (ideally OCI ). Industry experience in the pharma space Hands-on with Terraform , Docker , Kubernetes , and Git . Solid CI/CD and security automation skills. Knowledge of cloud security (IAM, encryption, network controls). Bonus: Cloud certifications, experience with OWASP ZAP or Burp Suite. You'll be part of a forward-thinking More ❯