{"id":1859265,"url":"https://alion.io/job/worknest-penetration-tester","title":"Penetration Tester","company":{"id":2028830,"name":"WorkNest","domain":"worknest.com","url":"https://alion.io/company/worknest","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Stevenage, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":136000,"period":"year","method":"role_country_seniority_unknown","sample_n":159},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Linux","optional":false},{"name":"OWASP","optional":false},{"name":"Windows","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-07-24T09:08:56Z","employer_posted_date":"2026-07-24","last_verified_at":"2026-11-08T07:55:48Z","board_verified":true,"closed_at":null,"days_open":106,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":106},"description":"At WorkNest Secure, we help organisations strengthen their cyber security posture through industry-leading security services and solutions. As we continue to grow, we're looking for talented CHECK Team Members to join our Offensive Security team as Offensive Security Consultants (Penetration Testers).\nThis is an exciting opportunity to join a fast-growing cyber security business, where you'll play a key role in helping our clients identify and mitigate security risks. You'll deliver CHECK-accredited penetration tests across a range of technologies and environments, providing clear, actionable insights that help organisations remain secure and resilient. Working alongside a highly skilled team, you'll have the opportunity to contribute to challenging engagements, develop your expertise, and make a meaningful impact for our clients.\nResponsibilities:\nPerform formal and comprehensive application, infrastructure and other penetration testing assessments where appropriate and required\n\nProvide well-written, concise, technical and non-technical reports in English\n\nPerform vulnerability assessments and provide findings with remediation actions\n\nSupport with various client pre-engagement interactions, including scoping activities and proposal drafting to ensure that client needs are met\n\nManage and deliver penetration testing project activities within strict deadlines\n\nSupport the QA process to ensure high quality client reports are delivered in accordance with applicable Service Level Agreement (SLA)\n\nAny other appropriate job duties in line with the associated skill and experience of the post holder\n\nSkills and experience 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assessing mobile applications (iOS/Android)\n\nKnowledge of assessing hardware and embedded IoT devices\n\nPersonal Attributes:\nExcellent spoken and written communication skills with strong attention-to-detail and accuracy\n\nA passion for security and networks\n\nAnalytical and problem-solving skills with a can-do attitude and the ability to think laterally\n\nSelf-motivation with a commitment to continued development\n\nAbility to work independently and as part of a team\n\nInfluencing and negotiation skills with the ability to build relationships at all levels\n\nWillingness to learn\n\nBenefits:\n25 days annual leave plus birthday leave\n\nCompany pension\n\nSubsidised gym membership\n\nEmployee benefits platform\n\nRegular team events\n\nPrivate healthcare (individual cover)\n\nLearning allowance for personal development\n\nFlexible working policy\n\nIf you're passionate about offensive security and committed to technical excellence, we'd love for you to join our 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