Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months click apply for full job details
Jan 16, 2026
Contractor
Red Team Operator / Penetration Tester (SC or DV Cleared) £550-600 p/d Ncounter is supporting a specialist Defence consultancy on two upcoming Red Team engagements within a major Defence programme. These are initial 3-month contracts, with a strong likelihood of extension, forming the first wave of a wider pipeline of similar work expected over the next 12 months click apply for full job details
CHECK Team Leader (CTL) or CHECK Team Member (CTM) Infrastructure PenTest, Penetration Testers - Cyber Security Testing required by our Public sector, government client. FULLY REMOTE with occasional client visits to Manchester, North West, or Newcastle upon-Tyne, North East. Outside of IR35- 650 pd - 12mths Contract Working in an SC Security Cleared environment, You will hold current SC Clearance or DV (Developed Vetting) or be eligible to undertake Security clearance Working within the Cyber Security Team, you will be responsible for Pen Testing as well as mentoring, knowledge transfer to team members. Skills/experience required:CSTL or CSTM-essential (NCSC) Previous experience of penetration testing public sector or critical national infrastructure (CNI) systems and networks. Azure,AWS On-prem Infrastructure Containers,Kubernetes Excellent communication skills, with previous coaching and training skills
Jan 15, 2026
Contractor
CHECK Team Leader (CTL) or CHECK Team Member (CTM) Infrastructure PenTest, Penetration Testers - Cyber Security Testing required by our Public sector, government client. FULLY REMOTE with occasional client visits to Manchester, North West, or Newcastle upon-Tyne, North East. Outside of IR35- 650 pd - 12mths Contract Working in an SC Security Cleared environment, You will hold current SC Clearance or DV (Developed Vetting) or be eligible to undertake Security clearance Working within the Cyber Security Team, you will be responsible for Pen Testing as well as mentoring, knowledge transfer to team members. Skills/experience required:CSTL or CSTM-essential (NCSC) Previous experience of penetration testing public sector or critical national infrastructure (CNI) systems and networks. Azure,AWS On-prem Infrastructure Containers,Kubernetes Excellent communication skills, with previous coaching and training skills
JUNIOR PCI PENETRATION TESTERS - LONDON (REMOTE) 35,000 - 45,000 Fully Remote (UK-based) Cybersecurity Scale-Up A rapidly growing cybersecurity company is seeking Junior PCI Penetration Testers to join their expanding offensive security team. The Role: Conduct PCI-DSS v4.0 compliance testing including manual penetration testing, quarterly vulnerability scanning, and network segmentation assessments Manage client engagements from scoping through to delivery Perform security assessments using industry-standard tools (Nessus, nmap, Burp Suite, Metasploit) Report findings to technical and non-technical stakeholders Support clients in maintaining PCI-DSS compliance Essential Requirements: UK Bachelor's degree in Computer Science, Cybersecurity or related subject 1+ years commercial penetration testing experience Strong understanding of operating systems, networking fundamentals, and security concepts Exposure to or interest in PCI-DSS compliance testing Programming/scripting experience Genuine passion for security (CTFs, bug bounty, TryHackMe, personal projects) Desirable: Progress towards OSCP, CPENT, CEH, or CompTIA Security+ Experience with vulnerability scanning tools Understanding of PCI-DSS framework Company Culture: Graduate-focused team valuing technical depth and continuous learning Strong computer science fundamentals required Looking for mouldable candidates who demonstrate passion for technology beyond work hours Location: Fully remote within UK, optional hybrid working from London office
Jan 09, 2026
Full time
JUNIOR PCI PENETRATION TESTERS - LONDON (REMOTE) 35,000 - 45,000 Fully Remote (UK-based) Cybersecurity Scale-Up A rapidly growing cybersecurity company is seeking Junior PCI Penetration Testers to join their expanding offensive security team. The Role: Conduct PCI-DSS v4.0 compliance testing including manual penetration testing, quarterly vulnerability scanning, and network segmentation assessments Manage client engagements from scoping through to delivery Perform security assessments using industry-standard tools (Nessus, nmap, Burp Suite, Metasploit) Report findings to technical and non-technical stakeholders Support clients in maintaining PCI-DSS compliance Essential Requirements: UK Bachelor's degree in Computer Science, Cybersecurity or related subject 1+ years commercial penetration testing experience Strong understanding of operating systems, networking fundamentals, and security concepts Exposure to or interest in PCI-DSS compliance testing Programming/scripting experience Genuine passion for security (CTFs, bug bounty, TryHackMe, personal projects) Desirable: Progress towards OSCP, CPENT, CEH, or CompTIA Security+ Experience with vulnerability scanning tools Understanding of PCI-DSS framework Company Culture: Graduate-focused team valuing technical depth and continuous learning Strong computer science fundamentals required Looking for mouldable candidates who demonstrate passion for technology beyond work hours Location: Fully remote within UK, optional hybrid working from London office
