24 of 24 Penetration Testing Jobs in Cardiff

Penetration Tester – CREST Certified Location: Remote, UK Job Type: Full-time/Permanent Reporting to: Software Engineering Manager (QA Automation) Join TLScontact – Secure the Future of Global Visa & Immigration Services! At TLScontact , we specialize in delivering seamless and secure visa and immigration solutions for governments and travelers worldwide. Security … is at the heart of our digital transformation, and we are looking for a Security Testing Engineer (Pentester) to help safeguard our platforms and applications. If you are passionate about penetration testing, vulnerability analysis, and secure development, this role is perfect for you! You will work closely … software engineering teams to identify security risks, implement best practices, and enhance the security posture of our digital services. Your Mission Perform offensive security testing (penetration testing) on web applications and services. Conduct manual and automated code analysis to detect vulnerabilities and non-trivial security issues. Support More ❯

Job Title: Penetration Tester Role: Are you a cybersecurity enthusiast with expertise in penetration testing across infrastructure, web applications, mobile, and cloud environments? Join our team near Doncaster or Manchester, where you'll play a key role in securing our clients' digital landscapes. Work on cutting-edge … projects in infrastructure penetration testing. Collaborate with a talented and dynamic cybersecurity team. Enjoy opportunities for growth and development in the cybersecurity field. Responsibilities: Conduct penetration testing on infrastructure, web applications, mobile platforms, and cloud environments to uncover vulnerabilities. Analyse testing outcomes and provide actionable recommendations … to improve security measures. Collaborate with cross-functional teams to develop and implement security strategies. Stay updated on emerging cybersecurity threats and adapt testing methodologies accordingly. Skills/Must Have: Proven experience in penetration testing for infrastructure, web applications, mobile, and cloud environments. Strong understanding of networking More ❯

salary is totally dependant on your experience, from 3 years to 30 years. The requirements are as follows: Manual Testers/QA Analysts & Automation Testing Execute test cases manually. Focus on UI/UX, functionality, user stories, and regression. Tools: Excel, TestRail, Zephyr, Jira, Quality Center. Create and execute … automated test scripts. Improve test coverage, speed up regression cycle. Tools: UFT (Unified Functional Testing) – enterprise tool for functional/regression testing (VBScript). Selenium Cypress Appium Playwright , TestComplete , Ranorex , Robot Framework . Multiple Deliverables SDET Testing (Software Development Engineer in Test) Ideally Developer-tester hybrid. Write … testing frameworks and also contribute to production code. Strong coding background (Java, Python, C#, etc.). Build integration and end-to-end automation pipelines. Performance/Load Testing Simulates real-world load and stress on systems. Ensures system performance, scalability, and reliability. Tools: JMeter , LoadRunner , Gatling , Neoload . More ❯

growing, agile cyber consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do … Lead the creation and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and … strengthen their cyber intelligence 🧠 What You Bring Expertise in advanced penetration testing (web & desktop apps), phishing, and code review Strong problem-solving, communication, and stakeholder management skills Ability to teach and adapt content for global, multicultural audiences Self-starter mindset—comfortable working solo or in a team, locally More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. We are seeking a Pre-sales Consultant to support our Sales team by providing technical expertise to customers and prospects throughout the sales process. Reporting directly to our … The primary responsibility of the role is to determine the scope of work for various Cyber Security products and services, with a focus on Penetration Testing. You will work with internal teams to create comprehensive proposals, ensuring a smooth sales experience and presenting the company in the best possible … The ideal candidate will have a background in Technical Sales Support, along with a strong interest in Cyber Security (knowledge of Cyber Security or Penetration Testing is a plus). You should excel at building professional relationships based on trust and credibility, and be comfortable in a client More ❯

Role: Offensive Security Specialist Type: Permanent Location: Remote (UK) Clearance: Eligible for SC Interested in getting away from the grind of endless similar penetration tests? Keen to stretch yourself into a more managerial role over time, building up a capability around you? We are working with a leading security … who are in the process of standing up their Offensive Security capability. The work will be focused on providing services such as Web App testing, Infrastructure testing and Code Review services to clients whilst also looking at how to develop that side of the company further. This role … Customer engagement, through the scoping process, tool selection and overall delivery •Run and take ownership of services such as Vulnerability Assessments, Code Review and Penetration Testing •Potential to work overseas to provide training services or working with clients to develop their own security posture •Engage in a cross More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. Our innovative approach to security testing merges the benefits of consultant-led penetration testing with ongoing vulnerability assurance through our advanced SecurePortal. This provides clients More ❯

email campaigns, LinkedIn outreach, and industry events. Client Qualification – Assess the security needs and challenges of potential clients to determine how the company’s penetration testing, red teaming, and cyber maturity assessments can add value. Sales Outreach – Initiate contact with prospects, educate them on cyber security services, and … position services effectively. Qualifications & Experience 2+ years of experience in business development, sales, or lead generation within the cyber security sector. Strong understanding of penetration testing, red teaming, incident response, and cyber maturity assessments. Excellent communication skills, with the ability to simplify complex technical concepts and convey their More ❯

security breaches, intrusions, and abnormal system behavior Investigate security incidents, perform root cause analysis, and provide incident response support Conduct regular vulnerability assessments and penetration testing; assist in remediation efforts Maintain and manage SIEM (Security Information and Event Management) tools and log analysis Develop and enforce security policies More ❯

If you're looking to join an established organisation expanding their penetration testing capabilities. As part of this strategic investment I'm now on the lookout for a number of experienced penetration testers to join the team. This is a genuine opportunity for a penetration tester … to deliver impactful testing work - without getting side lined with adjacent tasks or red tape! If you're looking for a role to focus on delivering high-quality assessments and reports, honing your skills across a broad range of testing disciplines with full investment for training & certifications (including … those you personally want to go for) this could be for you. What you'll be doing As a penetration tester you will deliver high-quality tests across a range of environments: Internal/External Infrastructure WebApp, API's Hardware & Embedded Software Cloud (AWS, GCP, Azure) Produce clear, concise More ❯

technical security support to the wider security team. Work with third-party network vendors to coordinate security activities. Assist with internal and external audits, penetration testing, and incident reviews. Enforce security policies, conduct vulnerability assessments, and coordinate mitigation efforts. Attend the head office in Portsmouth at least once More ❯

GIAC Certified Incident Handler (GCIH), GIAC Certified Forensic Analyst (GCFA), GIAC Reverse Engineering Malware (GREM), MCFE, EnCE or equivalent certifications ● Hands-on experience with Penetration Testing and/or Red Teaming ● Hands-on experience Security auditing and consulting ● Experience with MacOS and Linux distributions. ● Background working with Law More ❯

Excellent communication skills, with the ability to apply security concepts to a technical level Desirable skills: Knowledge of Secure by Design principles Experience with penetration testing Benefits Civil Service pension with employer contribution of 28.97% Learning and development tailored to your role with expensed accreditations and study time More ❯

Sentinel Tenable Vulnerability Management (Or similar technology) Azure Security understanding Azure update Manager/Other Patching technologies Qualifications: Microsoft Security Certifications (eg SC200) Pen Testing/Related Certifications DESIRED KNOWLEDGE, SKILLS & EXPERIENCE The ability to demonstrate knowledge in some of the below would add significant value to your application. More ❯

Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open … tools, scripts, and techniques that improve existing assessment capabilities. Essential Criteria: r+ years in a pen test role Excellent knowledge of Vulnerability and Penetrating Testing concepts and best practices, including the requirements for WhiteHat/Ethical Hacking. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and … Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this sounds like a good opportunity, apply today. Unfortunately no sponsorship is on More ❯

annum Location: UK - Remote You’ll be responsible for identifying and mitigating security vulnerabilities across software products through a combination of secure code review, penetration testing, security assessments, and the development of custom tooling. This role involves close collaboration with engineering teams to embed secure development practices throughout … Responsibilities: Conduct deep technical offensive security assessments against complex, distributed systems to uncover critical vulnerabilities across cloud, web applications, and internal services. Perform offensive testing throughout the software supply chain, including CI/CD pipelines, version control systems, and third-party integrations. Build and maintain automation and tooling to … scale offensive testing across products and teams. Operate as a subject matter expert in offensive security, supporting risk-based product design decisions and architecture reviews. Contribute to threat modelling, red teaming strategy, and secure development practices throughout the product lifecycle. Senior Offensive Security Engineer – Requirements: 5+ years of hands More ❯

advanced troubleshooting and remote support Support in delivering secure IT services Manage user accounts and permissions while supporting on-site physical security systems Support penetration testing and promptly resolve identified threats and vulnerabilities Assist with fire systems and their integration systems Processes: Document in Confluence IT processes, procedures More ❯

Check Team Leader Job | Chartered Engineer | £100,000 + | Hybrid Working | ASAP Start | Perm or Contract CBSButler are looking for a Chartered Check Team Leader to join on a permanent basis with one of the UK's most innovative Cyber More ❯

packages in the industry — including sponsored certifications and supported paths to leadership. To be successful in this role, you will have: Proven experience in penetration testing, with skills in web, mobile, cloud and internal infrastructure Exposure to professional Red Teaming projects OSCP/CRTO certification, and OSEP, CTRL More ❯

automation, and infrastructure. Senior Manager - Red Team Lead – Requirements: Proven experience leading red team or offensive security engagements. Strong technical expertise in adversary simulation, penetration testing, and exploiting enterprise environments (Active Directory, cloud platforms, EDR evasion). Expertise in scripting and tool development (e.g., C2 frameworks, automation) CREST More ❯

DAST, RASP, and securing cloud (preferably AWS). Strong grasp of container security, API security, IaC, and CI/CD. You’ve done pen testing, threat modeling, and maybe even built some of your own security tools. Big bonus if you’ve secured artifact systems or supply chains before. More ❯

best suited to someone who loves Technology and IT Security. To the right person, this is more than just a job. IT Security and Penetration Testing is a calling and a passion. If this person is you, you’ve got it all to gain with this one-of More ❯

Our client provides a disruptive SaaS platform for Attack Surface Management, and Penetration testing as a service. This vendor are new to market however have recently received an additional funding round as they have proven success in some major customers globally, backed by a proven, well known Executive More ❯

About the Company - Altura Partners Vendor practice are currently partnered with a Series A Attack Surface Management Vendor with $20m in funding, are looking to bring in their 3rd Sales Engineer in EMEA, can be based in UK, Germany or More ❯