Quick Summary
Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside of the UK) at the point of application.
The above information relates to a specific client requirement'
As a Penetration Tester, you will deliver hands-on security testing of client web applications, APIs and infrastructure. Working within a collaborative testing team, and supported by senior testers and CHECK Team Leaders on complex engagements, you will find and validate vulnerabilities, demonstrate their real-world impact and give clients clear, practical remediation advice. This role suits a tester who wants to broaden their technical skills and progress through recognised industry certifications, and work towards delivery of CHECK and/or Red Team assessments.
Responsibilities
~1 min read- →Perform manual and tool-assisted testing of web applications, APIs and internal and external infrastructure.
- →Identify, validate and safely exploit vulnerabilities within agreed rules of engagement, including authentication, authorisation, injection, business logic and misconfiguration issues.
- →Help identify attack paths, including privilege escalation, and explain their business impact.
- →Follow recognised methodologies, including OWASP (WSTG, API Security Top 10), PTES and CHECK/CREST standards.
- →Help prepare for engagements by confirming scope, access and prerequisites with the engagement lead.
- →Write clear, accurate reports with reproducible evidence, risk ratings and prioritised remediation advice.
- →Support client remediation and carry out retests to confirm fixes are effective.
- →Escalate critical findings promptly to the engagement lead and help explain their impact to stakeholders.
- →Share knowledge with the team through peer review, tooling improvements and technical write-ups.
Requirements
~1 min read- Typically 2-4 years' commercial penetration testing experience across web applications, APIs and infrastructure.
- Holds, or is working towards, a practitioner-level certification such as CREST CRT, Cyber Scheme CSTM, OSCP.
- Good working knowledge of common web and API vulnerabilities, including the OWASP Top 10 and API Security Top 10.
- Sound understanding of networking, common protocols, and Windows and Linux security.
- Practical experience with industry-standard tools such as Burp Suite, Nmap and Metasploit.
- Ability to validate findings, rule out false positives and capture reproducible evidence.
- Clear technical writing that explains risk and remediation in plain language.
- Awareness of cloud security and configuration review in AWS, Azure or GCP.
- Some mobile application testing experience (iOS and/or Android).
- Basic scripting (e.g. Python, Bash, PowerShell) to automate tasks or adapt tools.
- Understanding of cryptography and build/hardening standards.
- A curious mindset, shown through CTFs, home labs, bug bounty, CVEs or technical blog posts.
- Holds, or is eligible for, UK security clearance for CHECK and public sector work.
- Mentoring and technical guidance from experienced testers and CHECK Team Leaders.
- A funded certification pathway, for example from CRT or CSTM through to CCT or CSTL.
- A broad mix of engagements to build experience across testing types.
- Dedicated time for training, research and lab work.
- Opportunities to contribute to internal tooling, methodology and innovation projects.
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Visit us at www.accenture.com
We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, sexual orientation, gender identity or expression, marital status, citizenship status or any other basis as protected by applicable law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.
Location & Eligibility
About this job
- Posted
- 6 days ago
Listing Details
- Posted
- October 22, 2026
- First seen
- October 28, 2026
- Last seen
- October 28, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 32%
- Scored at
- October 28, 2026
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