1 to 25 of 35 Permanent Senior Tester Jobs in England

Summary: CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary This is more than just a job, we're looking for individuals with a hacker's mindset, deep technical expertise, and a relentless drive to … a leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK. As a Senior Penetration Tester within CCL Solutions Group, your key responsibilities will be: Lead and deliver end-to-end penetration testing engagements across infrastructure and cloud environments. Manage and mentor … reviews, and adversary emulation where required. Contribute to internal R&D, tooling improvements, and the development of our offensive security services. Required Skill Set & Experience: This role requires a senior and mature person who can demonstrate leadership, honesty and integrity and who expects high standards. Please understand this is not an entry level role it is essential that you More ❯

Senior Software Tester Norfolk (Hybrid, 2 days a week on site) £(phone number removed) REED Technology are working with a fast-growing technology that's powering the next generation of sweepstakes and social casino platforms. As they continue to scale, they're looking for a hands-on Senior Software Tester to lead quality assurance across their … platforms - with a focus on manual testing, test strategy, automation implementation, and performance testing. This role suits a senior-level QA professional who's comfortable being the driving force behind testing in a fast-paced, regulated, high-traffic environment. You'll shape the test approach, take ownership of test execution and tooling, and help define and embed automation frameworks … Confident working with API testing tools (Postman, RestAssured, etc.) Exposure to CI/CD pipelines and DevOps environments Familiarity with iGaming regulatory frameworks and compliance testing Proactive, self-sufficient tester who can own QA end-to-end - not just follow test scripts Excellent communication and collaboration skills in cross-functional teams Desirable (But Not Essential): Experience testing real-time More ❯

Digital Delivery Senior Automation Tester - Newport Salary not available. View on company website. Location: United Kingdom Security Vetting, East Cliff, Bournemouth Job Ref: 99dd0752dbf340cd87a196084a9cd5b2 You will need the appetite to learn new technologies and methodologies for delivering high quality IT services. In this role, you will work within a multi-disciplined squad using several technologies to build enterprise … proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis, and fix of any system issues, mainly related to data processing. A Senior Test Engineer is expected to contribute to the technical strategy for the department. As a multi-skilled individual with strong skills in data testing, you will have the opportunities More ❯

CHECK Senior Infrastructure Penetration Tester PGI is a global consultancy that helps organisations build digital resilience. We deploy our people to implement solutions on behalf of clients or to support them in developing their capabilities. Our Penetration Testers work with organisations of all sizes and types to detect and remediate vulnerabilities. They help identify areas lacking sufficient protection. More ❯

EU work permit required: Yes col-narrow-right Job Reference: f8df16944905 Job Views: 9 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide Job Description: Job description Assistant Manager Job title: Senior Penetration Tester - Assistant Manager Location: UK Line of Business: Advisory - Risk Consulting Service Area: Cyber Security Roles and Responsibilities The Role At KPMG, we are looking for an … are members of current testing schemes, conducting challenging work not available elsewhere. Our team is located in Leeds, Bristol, and London, offering flexibility and remote working options. Responsibilities This senior role requires your business acumen and technical hacking skills. You should have ideas for business growth and be skilled in security testing delivery. Responsibilities include: Delivery of testing and More ❯

Senior Penetration Tester -240,000+ Total Package Entasis Partners are proud to be exclusively supporting a global organisation at the forefront of innovation in financial systems and high-performance computing. Our partner operates in a deeply technical, high-trust environment where the scale of data, the pace of experimentation, and the calibre of internal talent make for an … exceptionally challenging and rewarding opportunity. With a newly developed central London site focused on next-generation research, this firm is seeking a Senior Penetration Tester to strengthen its already world-class internal security capability. You ll be trusted to scope, execute, and deliver sophisticated penetration tests and control assessments across a range of technologies including Kubernetes, Jenkins, and More ❯

Senior Penetration Tester -240,000+ Total Package Entasis Partners are proud to be exclusively supporting a global organisation at the forefront of innovation in financial systems and high-performance computing. This is not your average security role. Our partner operates in a deeply technical, high-trust environment where the scale of data, the pace of experimentation, and the … calibre of internal talent make for an exceptionally challenging and rewarding opportunity. With a newly developed central London site focused on next-generation research, this firm is seeking a Senior Penetration Tester to strengthen its already world-class internal security capability. The Opportunity This is a hands-on, highly autonomous role embedded within a specialist cyber function. You More ❯

Senior Penetration Tester -240,000+ Total Package Entasis Partners are proud to be exclusively supporting a global organisation at the forefront of innovation in financial systems and high-performance computing. This is not your average security role. Our partner operates in a deeply technical, high-trust environment where the scale of data, the pace of experimentation, and the … calibre of internal talent make for an exceptionally challenging and rewarding opportunity. With a newly developed central London site focused on next-generation research, this firm is seeking a Senior Penetration Tester to strengthen its already world-class internal security capability. The Opportunity This is a hands-on, highly autonomous role embedded within a specialist cyber function. You More ❯

Senior Penetration Tester -240,000+ Total Package Entasis Partners are proud to be exclusively supporting a global organisation at the forefront of innovation in financial systems and high-performance computing. This is not your average security role. Our partner operates in a deeply technical, high-trust environment where the scale of data, the pace of experimentation, and the … calibre of internal talent make for an exceptionally challenging and rewarding opportunity. With a newly developed central London site focused on next-generation research, this firm is seeking a Senior Penetration Tester to strengthen its already world-class internal security capability. The Opportunity This is a hands-on, highly autonomous role embedded within a specialist cyber function. You More ❯

Do you want to tackle the biggest questions in finance with near infinite compute power at your fingertips? G-Research is a leading quantitative research and technology firm, with offices in London and Dallas. We are proud to employ some More ❯

At VML, we are a beacon of innovation and growth in an ever-evolving world. Our heritage is built upon a century of combined expertise, where creativity meets technology, and diverse perspectives ignite inspiration. With the merger of VMLY&R More ❯

actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Opus Recruitment Solutions Senior Consultant - Cyber Security - Opus Recruitment Solutions Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red … teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a … and NIST Experience with C2 frameworks (e.g., Cobalt Strike, PoshC2, Sliver) Certifications such as OSCP, CRTO, OSEP, or CREST CRT preferred (but not required) Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Industries Technology, Information and Media Referrals increase your chances of interviewing at Opus Recruitment Solutions by 2x Get notified about More ❯

Senior Penetration Tester – (UK only - Must be eligible for Security Clearance) Location: UK (Leeds, Bristol, London or Remote) Salary - £45k - £60k Step up your game in cybersecurity. We’re looking for an experienced Senior Penetration Tester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight More ❯

Senior Penetration Tester – (UK only - Must be eligible for Security Clearance) Location: UK (Leeds, Bristol, London or Remote) Salary - £45k - £60k Step up your game in cybersecurity. We’re looking for an experienced Senior Penetration Tester who thrives on pushing boundaries, thinks like an attacker, and delivers like a pro. You’ll be joining a tight More ❯

Senior Penetration Tester/Ethical Hacker (C++, C#, PowerShell) 1 day ago Be among the first 25 applicants Key Responsibilities : Conduct advanced penetration testing on web applications, networks, and systems to identify vulnerabilities. Simulate sophisticated cyberattacks using tools and custom scripts to exploit weaknesses. Develop and deploy custom tools, scripts, and exploits to test system resilience. Collaborate with … experience with malware analysis and forensic tools is a plus. Certifications (Preferred) : OSCP (Offensive Security Certified Professional) OSCE (Offensive Security Certified Expert) CEH (Certified Ethical Hacker) GPEN (GIAC Penetration Tester) CISSP (Certified Information Systems Security Professional) Soft Skills : Strong problem-solving and analytical skills. Excellent communication skills, with the ability to explain technical findings to non-technical stakeholders. A … Android). Knowledge of blockchain and smart contract security. Familiarity with AI/ML security challenges. Contributions to open-source security projects or bug bounty programs. Seniority level Mid-Senior level Employment type Contract Industries: Software Development #J-18808-Ljbffr More ❯

Senior Penetration Tester – UK remote - £60,000 - £80,000 Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester More ❯

Social network you want to login/join with: Senior Tester| Full Time - Hybrid working with regular attendance at the Brighton Head Office | 37.5 hours per week, Monday to Friday, worked flexibly in line with company, customer and project needs | £45,000 - £55,000 per annum Our client is a UK technology company with team members based across … sectors, supporting their teams to work strategically, collaboratively and effectively to maintain and streamline the delivery of military and industrial capability. They are currently looking for a highly experienced Senior Tester to join their team. The Senior Tester will be responsible for ensuring that the software developed by our client is of high quality and fit … and validating critical path scenarios to support product readiness for general release. This is a hands-on role requiring collaboration with Analysts, Developers, Product Owners, and Delivery teams. The Senior Tester will help coordinate the overall test strategy, identify opportunities for automation, and provide artefacts suitable for customer scrutiny. The successful candidate will be expected to operate with More ❯

Senior Tester Full Time - Hybrid working with regular attendance at the Brighton Head Office 37.5 hours per week, Monday to Friday, worked flexibly in line with company, customer and project needs £45,000 - £55,000 per annum Our client is a UK technology company with team members based across the country. They solve through-life acquisition and support … sectors, supporting their teams to work strategically, collaboratively and effectively to maintain and streamline the delivery of military and industrial capability. They are currently looking for a highly experienced Senior Tester to join their team. The Senior Tester will be responsible for ensuring that the software developed by our client is of high quality and fit … and validating critical path scenarios to support product readiness for general release. This is a hands-on role requiring collaboration with Analysts, Developers, Product Owners, and Delivery teams. The Senior Tester will help coordinate the overall test strategy, identify opportunities for automation, and provide artefacts suitable for customer scrutiny. The successful candidate will be expected to operate with More ❯

Join to apply for the Senior Penetration Tester/Check scheme CTL/CSTL Consultant role at Resillion Get AI-powered advice on this job and more exclusive features. Company Description Resillion is a global company with end-to-end capabilities: no matter your industry, your geographical location, or stage in your digital journey. With offices in North … development, cyber security, or data-protection, the experts at Resillion do whatever it takes. We work as long and hard as necessary to get you to market. Job Title: Senior Penetration Tester/Check scheme CTL/CSTL Consultant - Permanent role Location: UK Wide - Remote Working, Exciting long-term projects This is an exciting opportunity to join one … should have the ability to take initiative, learn quickly on the job, and deal with issues as they arise in a high-pressure environment. You will be an enthusiastic tester with a few years of experience, passionate about working in the security industry, and constantly researching the latest vulnerabilities to stay at the industry’s leading edge. You must More ❯

Pay up to £45,081 , plus 28.9% employer pension contributions, hybrid working with 60% home working, flexible hours, and great work life balance. As a Senior QA Tester, you'll have the chance to influence the tools we use, driving quality across teams and shaping how we test. It's a hands-on role where you'll build … We help people into work, and make payments worth over £195bn a year to support some of the most vulnerable people in our society. We are looking for a Senior QA Tester to join our community of tech experts in DWP Digital. We're driving a once-in-a-generation transformation of government services. We're using fresh … performance testing tools to build and run different types of tests, like load, stress, or endurance, to see how systems hold up under pressure. Delivery. Work. Projects. As a Senior QA Tester, you'll make sure our products are reliable, stable, and built to last. You'll take a thoughtful, risk-based approach to testing - deciding what needs More ❯

Pay up to £45,081 , plus 28.9% employer pension contributions, hybrid working with 60% home working, flexible hours, and great work life balance. As a Senior QA Tester, you'll have the chance to influence the tools we use, driving quality across teams and shaping how we test. It's a hands-on role where you'll build … We help people into work, and make payments worth over £195bn a year to support some of the most vulnerable people in our society. We are looking for a Senior QA Tester to join our community of tech experts in DWP Digital. We're driving a once-in-a-generation transformation of government services. We're using fresh … performance testing tools to build and run different types of tests, like load, stress, or endurance, to see how systems hold up under pressure. Delivery. Work. Projects. As a Senior QA Tester, you'll make sure our products are reliable, stable, and built to last. You'll take a thoughtful, risk-based approach to testing - deciding what needs More ❯

Pay up to £45,081 , plus 28.9% employer pension contributions, hybrid working with 60% home working, flexible hours, and great work life balance. As a Senior QA Tester, you'll have the chance to influence the tools we use, driving quality across teams and shaping how we test. It's a hands-on role where you'll build … We help people into work, and make payments worth over £195bn a year to support some of the most vulnerable people in our society. We are looking for a Senior QA Tester to join our community of tech experts in DWP Digital. We're driving a once-in-a-generation transformation of government services. We're using fresh … performance testing tools to build and run different types of tests, like load, stress, or endurance, to see how systems hold up under pressure. Delivery. Work. Projects. As a Senior QA Tester, you'll make sure our products are reliable, stable, and built to last. You'll take a thoughtful, risk-based approach to testing - deciding what needs More ❯

Senior Penetration Tester (Inside IR35) Are you an SC cleared Penetration Tester looking for a new long term contract role? We are working with a government client looking for a Senior Penetration Tester to act as a benchmark on the quality of the penetration testing team. This role is based 4 days a week working … reports to ensure ongoing technical capability for the organisation Coaching team leaders to provide ongoing technical and leadership support Provide technical advice to project teams If you are a senior SC cleared Penetration Tester looking for a new role, please apply now! Carbon60, Lorien & SRG – The Impellam Group STEM Portfolio are acting as an Employment Business in relation More ❯

Senior Penetration Tester (Inside IR35) Are you an SC cleared Penetration Tester looking for a new long term contract role? We are working with a government client looking for a Senior Penetration Tester to act as a benchmark on the quality of the penetration testing team. This role is based 4 days a week working … reports to ensure ongoing technical capability for the organisation Coaching team leaders to provide ongoing technical and leadership support Provide technical advice to project teams If you are a senior SC cleared Penetration Tester looking for a new role, please apply now! Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation More ❯

Senior Cybersecurity Consultant (Penetration Tester) Senior Cybersecurity Consultant (Penetration Tester) Direct message the job poster from Anson McCade Senior Technology Recruitment Consultant A premier UK consultancy is seeking a skilled and passionate Penetration Tester to join its growing team of cybersecurity experts. This is a dynamic opportunity for individuals with strong technical skills and … proactive mindset, eager to make a tangible impact across a wide range of client environments. Working on mission critical projects across National Security, Critical National Infrastructure and Defence the Senior Penetration Tester will liaise with highly-skilled teams acting as a trusted advisor. Key Responsibilities: Conduct hands-on internal penetration tests in infrastructure/Active Directory environments Produce … excellent analytical skills and a curiosity-driven mindset. Enjoys working collaboratively with diverse stakeholders, bringing adaptability and energy to a fast-paced consulting environment. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology and Consulting Industries IT Services and IT Consulting and Business Consulting and Services Referrals increase your More ❯