Senior Penetration Tester in Slough

Senior Penetration Tester
Salary:
£60,000 – £65,000 Location:
Remote Security Clearance:
SC Cleared About the Role
We are looking for an experienced
Senior Penetration Tester
to join our growing cyber security team. This is an excellent opportunity for a technically strong security professional looking to work across a varied portfolio of complex environments and challenging penetration testing engagements. You will be involved in delivering hands-on penetration testing and security assessments for clients across public sector, Critical National Infrastructure (CNI) and large enterprise environments, with exposure to infrastructure, applications, cloud and modern containerised technologies. Key Responsibilities
Deliver manual penetration testing and security assessments across infrastructure, networks, operating systems, web applications and APIs Conduct security testing across
Azure, AWS and other cloud environments Assess Kubernetes, Docker, IAM and CI/CD environments Perform internal and external infrastructure penetration tests Identify, exploit and clearly document security vulnerabilities Produce high-quality technical reports and present findings to clients and stakeholders Work closely with clients to understand their environments and communicate technical risks effectively Contribute to security architecture and security control reviews Support junior consultants through mentoring, knowledge sharing and technical guidance Keep up to date with emerging vulnerabilities, attack techniques and industry developments Contribute to the ongoing development of penetration testing methodologies, tooling and service offerings Essential Experience
Proven commercial experience in penetration testing / offensive security Strong hands-on experience across infrastructure and/or application penetration testing Experience working with
cloud environments , particularly Azure and/or AWS Experience with modern technologies such as
Kubernetes, Docker, APIs and CI/CD Strong understanding of current attack techniques, vulnerabilities and defensive controls Excellent report writing and client-facing communication skills Current UK Security Clearance (SC) Desirable
CREST or Cyber Scheme certifications Experience working within
Public Sector, CNI or large enterprise environments Experience leading penetration testing engagements or supporting/mentoring junior testers Experience with cloud-native and hybrid environments Cyber Security Council professional registration
TPBN1_UKTJ