20 of 20 Lead Tester Jobs

Senior/Lead Penetration Tester & Cyber Security Consultant Remote, United Kingdom We are currently recruiting for an experienced Senior/Lead Penetration Tester & Cyber Security Consultant to support security testing engagements across complex cloud, infrastructure and modern application environments. This is an exciting opportunity … technology stacks and providing practical recommendations to strengthen security. The role will also involve working closely with technical teams and stakeholders, with opportunities to lead engagements, share technical expertise and contribute to wider security assurance activities. What we’re looking for: Extensive experience delivering penetration testing engagements across complex ...

Ruptura InfoSecurity is seeking an experienced Senior Penetration Tester to lead complex testing engagements across infrastructure, web apps, cloud and internal environments. You will identify attack paths, craft remediation guidance and present findings to technical and executive stakeholders. Join a high-performing offensive security practice, mentor junior consultants ...

Senior Penetration Tester - CHECK Team Lead (DV clearance required) DV Taunton - Hybrid but Heavy on Site Full-time permanent The opportunity An opportunity for a Senior Penetration Tester with CHECK Team Lead expertise to support a two-year contract requiring DV clearance for approximately 110 onsite … progressing to DV clearance on the job. Professional development and training support are offered alongside a comprehensive benefits package. What you could work on Lead and deliver offensive security assessments including web applications, APIs, and infrastructure Produce detailed technical and executive reports tailored to diverse audiences Support pre-sales ...

Leveraging QA experience,you’llproactivelyidentifyand resolve issues, provide guidance to QA teammembersand recommend and implement improvements. Depending on project needs,youmay also assume Assistant Lead or Team Lead responsibilities for specific phases or entire projects. WHAT YOU’LL BE DOING Write, run andmaintainmedium-to-high risk test specifications ...

Accountants & Business Advisors Ltd is seeking a Lead Penetration Tester with 5+ years of experience to lead client engagements and advance our Cyber Security practice. You will oversee penetration testing across infrastructure, web apps and cloud, deliver assessments and high-quality reports, and mentor junior consultants. ...

Hamilton Barnes is seeking a Senior Penetration Tester to perform hands-on testing across infrastructure, networks, web applications and APIs for varied client environments. The role emphasizes contributing to an offensive security function rather than sole test delivery. You will deliver tests, identify vulnerabilities, and produce detailed client reports ...

Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through continuous testing and remediation collaboration. You will perform tests across Kubernetes, Jenkins and Windows Domain Services, deliver remediation guidance, mentor ...

Dragos is seeking an Associate Principal OT Penetration Tester to lead vulnerability assessments, penetration testing, and adversary emulation for critical infrastructure clients. You will shape engagement strategy, uncover attack paths across IT/OT boundaries, and mentor teams while guiding R&D on tools and detection content. ...

Dragos is seeking an Associate Principal OT Penetration Tester to lead complex vulnerability assessments and penetration testing across critical infrastructure clients. You will shape engagement strategy, perform hands‐on exploitation, and translate findings into remediation guidance that informs detection and platform development. You will mentor teams, engage with ...

Secure Consult is seeking a Senior Penetration Tester with CHECK Team Lead expertise for a two-year contract based in Taunton. The role is hybrid but heavy on site, requiring approx. 110 days on client premises annually. You will lead offensive security assessments across infrastructure ...

Technology, we're asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed and operated securely. … multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable in-depth testing. You’ll also support remediation processes, seeing ...

Technology, we're asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed and operated securely. … multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable in-depth testing. You’ll also support remediation processes, seeing ...

Technology, we're asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed and operated securely. … multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable in-depth testing. You’ll also support remediation processes, seeing ...

Technology, we're asking that you attend the office a minimum of 1 day per week. About the Role As an experienced Penetration Tester at Starling, you’ll be joining an established team, working with talented cyber security professionals to ensure our services are designed, developed and operated securely. … multiple areas of the business to understand requirements, conduct research, perform security testing, and report issues aligned to our risk framework. Being an internal tester, you’ll gain a strong understanding of how technology works at Starling to enable in-depth testing. You’ll also support remediation processes, seeing ...

cybersecurity services provider is seeking a Penetration Tester to conduct security assessments across various clients. The role offers flexibility to work remotely or from the Sheffield office, and the ideal candidate will have 2-4 years of experience, a CREST certification, and strong communication skills. You'll help build ...

TestYantra Software Solutions in Leeds seeks a Senior Automation Tester with strong WebdriverIO, JavaScript and TypeScript to lead the design, development and execution of robust web automation frameworks. You will collaborate with cross-functional teams in an Agile environment, build end-to-end, regression and integration tests ...

ThreatSpike Ltd. is seeking a Senior Penetration Tester to lead web, internal and external assessments, using OWASP and MITRE ATT&CK frameworks. The role emphasizes mentorship, client communication, and hands-on testing across platforms. Remote-first role across the United Kingdom, United States, Singapore and United Arab Emirates ...

leading digital forensics company in Horsham is seeking a Staff Software Tester to take ownership of testing activities, ensuring software quality through both manual and automated testing. This role involves mentoring junior staff, leading testing efforts, and collaborating with cross-functional teams. Candidates should have 3-8 years ...

Barclay Simpson is seeking an experienced penetration tester to join an internal team within a leading financial services firm. The role covers WebApp, Cloud and Infrastructure pentesting, with involvement in purple and red team engagements. You will lead, scope and plan engagements, define methodologies and coordinate with third ...

London Stock Exchange Group (LSEG) seeks a Senior Penetration Tester to join our internal offensive security team. This hands-on, highly technical role plans and executes penetration tests across systems and applications, uncovering vulnerabilities and raising security standards. You will own engagements end-to-end, write technical reports ...