Quick overview
Job description
CTL/CTM Penetration Tester
Remote - With occasional travel to Manchester and Newcastle-Upon-Tyne
Rate - £785 per day Outside IR35
Must have Valid SC
About the Role
We are seeking an experienced CTL/CTM Penetration Tester to join a large Public Sector client delivering high-assurance security testing.
This role offers the opportunity to work on complex infrastructure, cloud, containerised, and enterprise environments, helping clients identify vulnerabilities and strengthen their security posture. You will be responsible for leading and delivering penetration testing engagements while providing expert guidance, coaching, and technical leadership to colleagues and clients.
Essential Requirements/Certifications
- Cyber Scheme Team Leader (CSTL) or Crest Certified Tester (CCT)
- Principal UK Cyber Security Council Professional (PriCSP)
- Security Cleared
Experience
- Demonstrable experience conducting penetration testing and security assessments within:
- Public Sector organisations
- Critical National Infrastructure (CNI)
- Large enterprise environments
- Experience delivering advanced penetration testing engagements and leading teams of testers assessing complex environments, including public cloud, infrastructure, Kubernetes, web applications and APIs.
- Strong understanding of current attack techniques, threat actors, and defensive controls
Technical Skills
- Manual penetration testing across:
- Internal and external infrastructure
- Web applications
- Networks and operating systems
- Cloud security testing:
- Microsoft Azure
- Amazon Web Services (AWS)
- Oracle Clound Infrastructure (OCI)
- On-premises infrastructure security assessments
- Container and orchestration platform security:
- Docker
- Kubernetes
- Identity and Access Management (IAM) security
- CI/CD pipeline security assessments
- Cloud-native and hybrid environment testing
- Security architecture and security control reviews
- Security Code Review
- Firewall Configuration Reviews
- Server and Workstation Build Reviews
Key Responsibilities
- Lead and perform penetration testing engagements across infrastructure, applications, cloud services, and containerised environments.
- Deliver detailed technical reports and executive-level findings.
- Conduct security assessments of Azure, AWS, Kubernetes, IAM, and CI/CD environments.
- Work directly with stakeholders to communicate complex technical risks clearly and effectively.
- Provide mentorship, coaching, and skills development to junior penetration testers.
- Support the continuous improvement of testing methodologies, tooling, and service offeringse
- Contribute to client workshops, security awareness sessions, and technical training activities.
Similar jobs
- KM
Senior Software Engineer – Hybrid, APIs & BackendRecently posted
Kensington Mortgages · london · Hybrid · Posted 14 Nov 2026 🇬🇧
TechnologySalary not listed - RL

Senior SecOps Engineer: Cloud Security & Incident ResponseRecently posted
Risk Ledger · london · Hybrid · Posted 14 Nov 2026 🇬🇧
GCPAWSTechnologySalary not listed - LO
Oracle Primavera UnifierRecently posted
Laing O'Rourke · United Kingdom · Remote · Posted 14 Nov 2026 🇬🇧
Stakeholder ManagementOraclePower BITechnologySalary not listed - AU
Senior Full Stack EngineerRecently posted
AtkinsRéalis UK Limited · epsom · Hybrid · Posted 14 Nov 2026 🇬🇧
GitRoboticsCapacitor+12TechnologySalary not listed - CH
Data Scientist, Fintech Payments (ML/Analytics, Hybrid)Recently posted
Checkout Ltd · london · Hybrid · Posted 14 Nov 2026 🇬🇧
SQLPythonData AnalysisTechnologySalary not listed - SE
Senior Backend Engineer - Ad Tech & AI (Hybrid)Recently posted
SeeViews · london · Remote · Posted 14 Nov 2026 🇬🇧
Node.jsTechnologySalary not listed - EC

Remote PHP Developer – Contract, CI/CD & DockerRecently posted
Exalto Consulting · United Kingdom · Remote · Posted 14 Nov 2026 🇬🇧
DockerMariaDBMySQL+4TechnologySalary not listed - HE

Senior Real-Time Embedded Software Engineer – HybridRecently posted
Holt Executive Ltd · devon and torbay · Hybrid · Posted 14 Nov 2026 🇬🇧
C++TechnologySalary not listed - AR

Senior AI Compiler Engineer for ML GraphsRecently posted
Arm Limited · cambridge · Hybrid · Posted 14 Nov 2026 🇬🇧
Machine LearningTechnologySalary not listed - LJ
Senior AWS Cloud & Dev Ops EngineerRecently posted
Lloyd James Media · wolverhampton · Hybrid · Posted 14 Nov 2026 🇬🇧
AWSBashCDK+7TechnologySalary not listed - GR
Senior Machine Learning EngineerRecently posted
Government Recruitment Service · tees valley · Hybrid · Posted 14 Nov 2026 🇬🇧
MLOpsMachine LearningCI/CDTechnology£68.7k - £88.4k/yr - TI
AI Data Ops Specialist for Live Moderation (Spanish/Italian)Recently posted
TikTok Inc. · london · Hybrid · Posted 14 Nov 2026 🇬🇧
TechnologySalary not listed