12 of 12 Tester Jobs in Berkshire

Penetration Tester – Cyber Security Contract until December 2025 (extension likely) Hybrid working, 50/50 split between home and site in Berkshire Active SC clearance required ABOUT THE CLIENT: Our client is a leading organisation within the cyber and defence technology sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their cyber capability … and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across web applications, networks, APIs, and mobile platforms. You’ll identify and document vulnerabilities, support red team operations, and collaborate with … exercises Producing detailed reports outlining findings, risks, and mitigation strategies Staying current with emerging attack vectors, tools, and exploits Contributing to internal security awareness and best practice initiatives PENETRATION TESTER ESSENTIAL SKILLS: Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Skilled in tools such as Burp More ❯

Penetration Tester – Cyber Security Contract until December 2025 (extension likely) Hybrid working, 50/50 split between home and site in Berkshire Active SC clearance required ABOUT THE CLIENT: Our client is a leading organisation within the cyber and defence technology sector, delivering secure digital solutions to UK government and critical national infrastructure programmes. They are expanding their cyber capability … and are seeking an experienced Penetration Tester to join the team on a long-term contract, supporting a range of high-impact security projects. THE PENETRATION TESTER ROLE: As a Penetration Tester, you will perform manual and automated testing across web applications, networks, APIs, and mobile platforms. You’ll identify and document vulnerabilities, support red team operations, and collaborate with … exercises Producing detailed reports outlining findings, risks, and mitigation strategies Staying current with emerging attack vectors, tools, and exploits Contributing to internal security awareness and best practice initiatives PENETRATION TESTER ESSENTIAL SKILLS: Proven experience in penetration testing, ethical hacking, or red teaming Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring Skilled in tools such as Burp More ❯

My client, HQ in London, is a global Cybersecurity advisory firm. They are hiring a Senior Pentester in London (hybrid, 2x day a week in London offices). Responsibilities: Lead and deliver penetration tests across various industries, including infrastructure, technology More ❯

Penetration Tester (SC Cleared) Location: Wokingham - Hybrid working (50/50 split) Contract Duration: Until 26/12/2025 initially - with a view to extend Daily Rate: £525/day Inside IR35 - Candidates will need to work through an Umbrella Company Clearance Required: Active SC Clearance We are looking for an experienced Penetration Tester to join a cybersecurity team. More ❯

Penetration Tester - Hybrid (Wokingham) - Circa 400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities Conduct manual and automated penetration … Bash, PowerShell) Knowledge of network protocols, operating systems, and cloud environments Relevant certifications (e.g., OSCP, CEH, GPEN, CRTP) are highly desirable Excellent analytical, communication, and report-writing skills" Penetration Tester - Hybrid (Wokingham) - Circa 400 per day inside ir35 - 2/3 months+ Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of More ❯

Penetration Tester - Hybrid (Wokingham) - Circa £400 per day inside ir35 - 2/3 months+ All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities Conduct manual and automated penetration … Bash, PowerShell) Knowledge of network protocols, operating systems, and cloud environments Relevant certifications (e.g., OSCP, CEH, GPEN, CRTP) are highly desirable Excellent analytical, communication, and report-writing skills" Penetration Tester - Hybrid (Wokingham) - Circa £400 per day inside ir35 - 2/3 months+ Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of More ❯

Role/Job title Pen Tester Work Location TCS-Reading Role type - Permanent/Fixed Term/Contracting Contract Mode of working Hybrid/office based Hybrid If Hybrid, how many days are required in office? 3 Number of positions 1 Duration of assignment 06 Months Any other working conditions - travel/on call/shifts To be published on More ❯

Venn Group Position : Penetration Tester Work Pattern : Hybrid (approx. 2–3 days on-site) Greater reading Contract Length :3 months (likely extension) Day Rate ( DOE): £375 – £425 via Umbrella per day Contract Type : 3-month initial term (extensions expected) IR35 Status : Inside Active Clearance : SC About the Role Our client are looking for a skilled Pen Tester to join the More ❯

Senior Manual Software Tester - Central London (2 days a week onsite) - Up to £65k (DOE) - Permanent Uneek are working with a forward-thinking organisation delivering high-impact software and AI solutions across secure and regulated sectors that are looking for a Senior Automation Tester. On Offer: Up to £65k (DOE). Permanent role. 2 days a week onsite in Central More ❯

We’re hiring: Application Tester (iOS or Android) — Join a team that ships delightful user experiences Who we are We’re a fast-growing tech company building products that people love to use every day. We blend design, engineering, and data to turn complex problems into simple, magical experiences. If you’re excited about breaking things before users do and More ❯

Senior Performance Tester - Non-functional - 3 month contract - paying £550 Inside IR35 - Hybrid (2 days a week) We’re looking for an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform that powers millions of users across video-on-demand and live services. What you’ll do: Develop and maintain a Gatling-based More ❯

My Client is a cybersecurity company who offer security services to multiple businesses across varying industries. They are now looking for a graduate Penetration Tester to join their growing team! Main Duties: Vulnerability Identification: Conduct thorough assessments to identify security vulnerabilities in networks, applications, and systems. Exploitation and Reporting: Simulate cyberattacks to exploit vulnerabilities and document findings in detailed reports. More ❯