> Markdown version of [/jobs/ext/3904940-tc_cs_ngso-tem_penetration-testing_senior](https://www.wearedevelopers.com/jobs/ext/3904940-tc_cs_ngso-tem_penetration-testing_senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # TC_CS_NGSO TEM_Penetration testing_Senior - **Company:** Ernst & Young - **Location:** UK - **Experience:** Expert - **Salary:** £43,870.0 - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Active Directory, Amazon Web Services, Data Analysis, Software System Penetration Testing, Microsoft Azure, Unix, Cloud Computing, Code Review, Linux, Network Security, Open Web Application Security, Microsoft PowerPoint, Systems Development Life Cycle, Red Team (Cyber Security), TCP/IP, Web Applications, Google Cloud, GWAPT, Static Application Security Testing, Dynamic Application Security Testing - **Published:** October 25, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5295889231 ## About the Role We're looking for Security Consultant / Senior Security Consultant with expertise in penetration testing. This is a fantastic opportunity to be part of a leading firm whilst being instrumental in the growth of a new service offering., * Good understanding of enterprise security controls in Active Directory / Windows environments * Understanding of TCP/IP network protocols. * Understanding of network security and popular attacks vectors. * Ability to communicate detailed technical information to a non-technical audience clearly * Experience with Operation Technology / Internet of Things, Cloud technologies (AWS, Azure, GCP), Active Directory and 802.1x penetration testing * Strong understanding of security principles, policies, and industry best practices * Demonstrable flair for technical writing, including engagement reports, presentations and operating procedures To qualify for the role, you must have * BE/ B.Tech/ MCA or equivalent * Minimum of 6 years of work experience in penetration testing which may include at least three of the following: internet, intranet, web application penetration tests, wireless, social engineering, physical and Red Team assessments. * One of the following certifications: OSCP, OSCE, OSEP, OSWE, CREST, CRTE, eCPTX, or eWPTX * Knowledge of Windows, Linux, UNIX, any other major operating systems. * 4-9 years of work experience in Strategy and Operations projects * Strong Excel and PowerPoint skills. Ideally, you'll also have * Project management skills * Certifications: CISSP, GPEN, GWAPT. ## Description * Execute penetration testing projects using the established methodology, tools and rules of engagements. * Execute red team assessments to highlight gaps impacting organizations security postures. * Identify and exploit security vulnerabilities in a wide array of systems in a variety of situations. * Perform in-depth analysis of penetration testing results and create report that describes findings, exploitation procedures, risks and recommendations. * Convey complex technical security concepts to technical and non-technical audiences including executives. * Strong knowledge of OWASP Top 10 web and the ability to effectively communicate methodologies and techniques with development teams * Understanding and experience with Active Directory attacks. * Understanding of TCP/IP network protocols. * Develop automated solutions that mitigate risks throughout the organization. * Ability to automate DAST/SAST solutions and reporting * Support SDLC and agile environments with application security testing and source code reviews. * Provide technical leadership and advise to junior team members on attack and penetration test engagements.