51 to 59 of 59 Tester Jobs in London

Senior Infrastructure Penetration Tester Location: London flexible hybrid Salary: £70,000 – £80,000 We’re hiring on behalf of our client, a growing Penetration Testing Consultancy, for a Senior Infrastructure Penetration Tester to join their elite Testing team. This role is ideal for someone who thrives on deep technical challenges, values autonomy, and enjoys working in a fast paced and More ❯

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work for clients across the UK, US, and Europe. With a strong learning culture … and a track record of delivering cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security assessments, red team operations, and threat-led More ❯

System Tester - Contract - £450 outside IR35 - Hybrid (London 2 days per week) Kindly note that this is a contract position, and applicants are required to have the legal right to work in the UK. La Fosse has partnered with a leading entertainment business to support the recruitment of a skilled System Tester . The successful candidate will work with enterprise More ❯

System Tester - Contract - £450 outside IR35 - Hybrid (London 2 days per week) Kindly note that this is a contract position, and applicants are required to have the legal right to work in the UK. La Fosse has partnered with a leading entertainment business to support the recruitment of a skilled System Tester . The successful candidate will work with enterprise More ❯

This is a fantastic opportunity to work as a contract Automation Tester, for a major pharmaceutical company, on a remote basis, outside IR35, from mid January, for an initial 3 months. The key skills required for this Automation Tester role are: Python and Pytest UI and Playwright AI (desirable) Pharma (desirable) AWS (desirable) If you do have the relevant skills … for this long term Automation Tester contract role, please do apply. More ❯

Senior LV/Authorised Person (AP) Tester Salary: £60,000 £68,000 + package Reports to: Testing Manager/Senior T&C Manager Role Overview The Senior LV/AP Tester is a site-based electrical tester responsible for carrying out LV testing, inspection, isolations, and energisations in line with PME ESSW, BS7671, and company procedures. They may oversee small More ❯

London based Financial Services Organisation is looking for a number of Penetration Testers that have experience working within technology infrastructure environments! These Penetration Tester positions will include working on external, internal, webapp, WiFi, Cloud and redteam Pentest engagements, OSINT, Phishing Campaigns, Cyber Essentials Audits, and some Governance projects. These positions will pay a starting basic salary up to … experience of Networking, Active Directory, Windows/Linux, Pentesting (specifically Webapp and Infrastructure) and knowledge of the OWASP Vulnerabilities. If you’d like to learn more about these Penetration Tester opportunities please click the APPLY BUTTON and a Spencer Scott Representative will make contact to discuss in detail. Spencer Scott Ltd is an equal opportunity Recruitment Agency, which means we More ❯

London based Financial Services Organisation is looking for a number of Penetration Testers that have experience working within technology infrastructure environments! These Penetration Tester positions will include working on external, internal, webapp, WiFi, Cloud and redteam Pentest engagements, OSINT, Phishing Campaigns, Cyber Essentials Audits, and some Governance projects. These positions will pay a starting basic salary up to … experience of Networking, Active Directory, Windows/Linux, Pentesting (specifically Webapp and Infrastructure) and knowledge of the OWASP Vulnerabilities. If you’d like to learn more about these Penetration Tester opportunities please click the APPLY BUTTON and a Spencer Scott Representative will make contact to discuss in detail. Spencer Scott Ltd is an equal opportunity Recruitment Agency, which means we More ❯

x3 D365 CE Testers needed! Ideally worked in housing.I'm looking for experienced D365 Customer Engagement (CE) Testers to join this project and play a key role in User Acceptance Testing (UAT) for a major housing occupancy solution. You’ll More ❯