13 of 13 Penetration Testing Jobs in Hounslow

architects, a software pen tester and a hardware assessor. We work with development teams across Group Product to improve their security posture. What You'll Do Perform software security testing and code analysis using static source code analysers Analyse attack chains and recommend efficient methods for mitigation Help advance the goal of building-in security to all Comcast products … Conduct routine changes to stateful firewalls What You'll Bring Fluency with pen-testing techniques and tools, including identifying attack surfaces of interest, loop-back proxies, fuzzers, disassemblers, and reverse-engineering Broad range of assessment experience against web apps, APIs, system/network platforms, mobile applications, etc. Deep knowledge of common errors in programming, cryptographic implementations, network/service More ❯

architects, a software pen tester and a hardware assessor. We work with development teams across Group Product to improve their security posture. What You'll Do Perform software security testing and code analysis using static source code analysers Analyse attack chains and recommend efficient methods for mitigation Help advance the goal of building-in security to all Comcast products … Conduct routine changes to stateful firewalls What You'll Bring Fluency with pen-testing techniques and tools, including identifying attack surfaces of interest, loop-back proxies, fuzzers, disassemblers, and reverse-engineering Broad range of assessment experience against web apps, APIs, system/network platforms, mobile applications, etc. Deep knowledge of common errors in programming, cryptographic implementations, network/service More ❯

controlled, and reusable across environments. Infrastructure Security & Governance: Establish and enforce infrastructure security best practices , including secure networking, encryption, and logging. Work with security teams to conduct threat modeling, penetration testing, and audit logging. Identity and Access Management (IAM): Implement and manage IAM policies and permissions for cloud-native applications and GitHub repositories. Define least-privilege access roles More ❯

and behavioral malware analysis methods and tools (e.g., sandbox environments) Background and experience in at least two of the following is an advantage: Endpoint security, malware analysis, threat hunting, penetration testing, incident response, reverse engineering, or digital forensics Familiarity with common operating system concepts (e.g., processes, threads, DLLs, parent-child process relationships, scheduled tasks) Solid foundation in networking More ❯

in the cybersecurity and risk consulting space. Working with a wide range of organizations — from FTSE 100 companies to critical infrastructure and government entities — they provide high-quality security testing and advisory services across various industries. This is an excellent opportunity to join a team that values your expertise, supports your growth, and offers the flexibility of remote working … with the stimulation of varied engagements. Key Responsibilities: Conduct thorough penetration tests on infrastructure, networks, cloud environments, and web applications. Deliver high-quality, client-ready reports detailing findings, impact, and practical remediation advice. Collaborate directly with client stakeholders during scoping, testing, and results presentations. Keep current with emerging threats, vulnerabilities, and tools in the offensive security landscape. Contribute … to internal development of testing methodologies, tooling, and knowledge sharing. Experience with red teaming, threat simulation, or assumed breach testing. Scripting/automation with Python, Bash, or PowerShell. Previous consultancy or client-facing experience. Eligibility for or possession of UK Security Clearance (preferred but not required). Solid understanding of common attack techniques and vulnerability classes (e.g., OWASP Top More ❯

You’re walking into a mature environment : The company already has Secure SDLC and DevSecOps practices in place. This isn’t a ground-up build – it’s about stress-testing and strengthening what’s already built. You’ll have impact and visibility : Reporting to the CIO , with close collaboration with the Head of Information Security (compliance), you’ll shape … You’ll Be Doing: Actively identifying vulnerabilities in applications, especially around authentication flows, payments, and sensitive data handling Thinking creatively and adversarially – “breaking the app” to protect it Performing penetration testing, threat modelling, and secure code reviews Working directly with developers to integrate security best practices into an already-operational DevSecOps pipeline Advising on product and architectural design … culture that prioritises customer trust and system integrity What We’re Looking For: Deep hands-on experience in application security – not just theory, but experience in secure coding, manual testing, and fixing complex vulnerabilities A proven background in credit cards, payments, or financial transaction systems Understanding of modern application architectures (APIs, microservices, cloud platforms – likely Azure) Familiarity with OWASP More ❯

Penetration Tester (OSCP or similar certified), south west london Client: Harrington Starr Location: south west london, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Harrington Starr has partnered with a global multi-billion pound business in Belfast to seek a Vulnerability and Penetration Testing Engineer … firm's assets. Continuously evaluate relevant products, tools, scripts, and techniques to enhance assessment capabilities. Minimum of r+ years in a pen test role. Excellent knowledge of Vulnerability and Penetration Testing concepts and best practices, including WhiteHat/Ethical Hacking requirements. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Understanding of the difference … between vulnerability assessment and penetration testing regarding scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this opportunity interests you, please apply today. Note: No sponsorship is available for this role at this stage. #J-18808-Ljbffr More ❯

Contract and Permanent resources. The rate/salary depends on your experience, ranging from 3 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 and speed up regression cycles. Tools: UFT (Unified Functional Testing) – enterprise tool for functional/regression testing (VBScript). Selenium Cypress Appium Playwright , TestComplete , Ranorex , Robot Framework . SDET Testing (Software Development Engineer in Test) Ideally a developer-tester hybrid. Write testing frameworks and contribute to production code. Build integration and end-to-end automation … pipelines. Performance/Load Testing Simulate real-world load and stress on systems. Ensure system performance, scalability, and reliability. Tools: JMeter , LoadRunner , Gatling , Neoload . Functional Testing Verify software functions as per business requirements. Integration Testing Ensure different modules/components interact correctly. Test APIs, databases, and service flows. Security Testing & Penetration Testing (Ethical More ❯

Social network you want to login/join with: Lead Penetration Tester, South West London Client: Addition+ Location: South West London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: We are currently recruiting for a highly awarded Managed Security Service Provider for the role of Lead Penetration … Clearance due to the nature of clients. Full UK Driving License & Access to a vehicle are essential. Experience working in the public sector would be desirable. Strong experience in Penetration Testing. Cyber Scheme, CREST or CHECK Certifications are required. Strong background and understanding of cybersecurity, with a knowledge of penetration testing frameworks and methodologies. Strong client-facing More ❯

scale-up previously) You'll be skilled in building and working with security tools and automation solutions. You'll have a solid foundation in threat modelling, risk assessment, and penetration testing. Amazing if you've came from a software engineering background, but at the very least you'll be able to read code and have some level of scripting More ❯

Social network you want to login/join with: Pen Testing Simulation Subject Matter Expert, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: The Industry Assurance team in Cyber Growth runs … the Assured Penetration Testing Scheme on behalf of a public sector client which mandates or strongly recommends such testing in all departments and across the Infrastructure. The team assesses the methodology and work of all members of the scheme from first application through the entirety of their time upon the Scheme. Where appropriate, members are supported to … improve or, in extremis, are removed from the scheme altogether. We require someone with experience as a senior penetration tester in a role which required them to quality assure the output of other penetration testers. This should be in an operational environment, you may also have experience as an assessor for a penetration testing exam body More ❯

Social network you want to login/join with: Senior Penetration Tester, south west london col-narrow-left Client: Opus Recruitment Solutions Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 24.06.2025 Expiry Date: 08.08.2025 col-wide Job Description: Opus is seeking an experienced Penetration Tester … to join our client, a cyber consultancy specializing exclusively in penetration testing and red teaming. The role involves delivering high-impact, adversary-simulated engagements across infrastructure, web, cloud, and bespoke environments, including leading goal-based assessments and full-scale red team operations. This client-facing, hands-on position is ideal for someone who thrives in technically demanding scenarios … and prefers working with a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits as needed Create detailed technical and executive reports for clients Mentor junior testers and contribute to internal More ❯

this role, you will help drive the MSSP partner base across the UK and beyond, connecting with cybersecurity firms that offer advanced services such as SOC/MDR, Pen Testing, Threat Intelligence, and Incident Response. What you’ll be doing Identify and research MSSPs delivering SOC/MDR, Red Teaming, Pen Testing, or Incident Response services Outbound prospecting … months+ experience in a BDR, SDR, or inside sales role in Cyber Security, MSSP, or SaaS Knowledge of MSSP services such as SOC/MDR, Threat Intel, Pen Testing, or Cyber Risk Audits is a strong plus Proven success in achieving key metrics (e.g. meetings booked) Ambitious and driven to fast-track your career and have an impact on More ❯