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Posted 25 July, 2026

Penetration Tester | Check Team Member | Ctm | Web App | Infra

Optimal IT Recruitment Ltd
London, ENG, GB Full Time

Job Description

Penetration Tester | CHECK Team Member | CTM | Web App | Infra | SC Clearance Eligible | REMOTESalary: £45,000 £55,000Working model: Fully Remote (UK-based)Required: Commercial penetration testing experience, CHECK Team Member (current or previous), web app & infrastructure testing, SC Eligibility (Non-Negotiable)?? Non-Negotiables - Please only apply if you have ALL of the following ??Eligibility & Clearance:British passport holder or Indefinite Leave to Remain (ILR) - no sponsorship availableSC Eligible (must be able to obtain Security Clearance)No right to work restrictionsCertifications & Status:Current or previous CHECK Team Member (CTM / CSTM) statusRelevant industry certifications (OSCP, CRTO, PenTest+, or equivalent)Experience:Hands-on commercial penetration testing experience (web application and/or infrastructure)Proven ability to scope, conduct, and report on engagements independentlyStrong written English - you must be able to produce clear, client-ready reportsComfortable working remotely and managing your own time and workloadRole OverviewWe're working with a well-regarded, specialist cyber security consultancy with a strong reputation in the UK market. This isn't a box-ticking operation - these are real practitioners, led by technical people, doing high-quality work for serious clients.They're growing their pentesting team and need a strong mid-level tester who can hit the ground running. If you're currently CTM-certified (or previously held the status), comfortable across web app and infrastructure engagements, and want to work somewhere that actually invests in your development - this is worth a conversation.At the top of the band, they're looking for someone currently active in CHECK work with a strong track record. If that's you, this will move fast.What You'll Be DoingConducting web application and infrastructure penetration tests across a varied client baseProducing high-quality, client-facing reports that clearly communicate risk and remediationSupporting CHECK-scope engagements where appropriateContributing to methodology, tooling, and internal knowledge sharingWorking collaboratively with a team of technically sharp, certified consultantsNice to HaveExperience with red team operations or adversarial simulationAdditional certs: CRTP, CRTO, CSTL, or similar advanced qualificationsExposure to cloud environments (AWS, Azure, GCP)Experience across a range of sectors (finance, public sector, healthcare, etc.)?? Important NotesUK-based candidates only - fully remote but must be able to work UK hoursBritish passport or ILR required - no sponsorship under any circumstancesMust be SC Eligible - ability to obtain Security Clearance is a hard requirementSalary is experience and certification dependent - £55k is reserved for strong, currently-active CTMsIf you tick all of the above and want to work somewhere where the craft actually matters, get in touch now.TPBN1_UKTJ