16 of 16 Remote Permanent CHECK Team Member Jobs

Summary: CCL Solutions Group is seeking an exceptional Senior Penetration Tester with CHECK Team Leader Infrastructure (CTL-INF) qualifications to join our elite team of security professionals. Location: Home based Main Job Summary This is more than just a job, we're looking for individuals with a hacker's mindset, deep technical expertise, and a relentless drive … to secure the UK's most critical assets. You will be leading engagements across secure environments, delivering high-impact assessments, mentoring team members, and shaping the offensive security direction of the business. In return, we offer a highly supportive environment with structured mentoring, paid training days, and access to advanced tooling. Main Duties & Responsibilities (other duties may be assigned … CCL Solutions Group are more than just a leading provider of cybersecurity services, we are a team committed to making a real difference in protecting communities, businesses, and the critical infrastructure of the UK. As a Senior Penetration Tester within CCL Solutions Group, your key responsibilities will be: Lead and deliver end-to-end penetration testing engagements across infrastructure More ❯

Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to work … over 30 years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work … at home and at client sites across the UK. Required qualifications to be successful in this role - CHECK Team Leader (CTL) - CHECK Team Member (CTM) - CREST Certified Simulated Attack Specialist (CCSAS) - CREST Certified Tester (CCT). Sometimes known as CREST Certified Infrastructure Tester (CCT Inf) or CREST Certified Web Application Tester (CCT App) - Cyber Scheme More ❯

Senior Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many more. At CGI you will get the opportunity to … over 30 years. Experience of the assessment of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work at home and at … this role We would be interested to talk further if you hold any of the following qualifications: - CHECK Team Leader (CTL) - CHECK Team Member (CTM) - CREST Certified Simulated Attack Specialist (CCSAS) - CREST Certified Tester (CCT). Sometimes known as CREST Certified Infrastructure Tester (CCT Inf) or CREST Certified Web Application Tester (CCT App) - Cyber Scheme More ❯

if you also have: Python scripting skills for tooling or automation Experience or awareness of Operational Technology (OT) environments Familiarity with internal exploitation tools and techniques Certifications like CREST CTM/CTL/CSTM, Cyber Scheme Practitioner, or OSCP (lapsed certs accepted if skills are current) What to expect: A small, high-trust team (2–3 testers) operating with More ❯

if you also have: Python scripting skills for tooling or automation Experience or awareness of Operational Technology (OT) environments Familiarity with internal exploitation tools and techniques Certifications like CREST CTM/CTL/CSTM, Cyber Scheme Practitioner, or OSCP (lapsed certs accepted if skills are current) 🧠 What to expect: A small, high-trust team (2–3 testers) operating with More ❯

with legacy systems and navigate environments with tech debt Desirable skills & qualifications: • Python scripting or coding skills (advantageous) • Exposure to OT networks and internal infrastructure tooling • Relevant certifications - CREST (CTM, CTL, CSTM), Cyber Scheme Practitioner, OSCP Work Environment & Expectations: • Join a tight-knit, high-performing team • Hybrid model: ~2 days per week in client or office locations, majority remote More ❯

meet this requirement will not be considered. Cyber Guarded Ltd is a long-established and independent cyber security firm based in Belfast. As the premier NCSC-approved supplier for CHECK Penetration Testing in Northern Ireland, including Cyber Incident Exercising being conducted at the highest levels, along with Cyber Advisor – Cyber Essentials, we support clients across both public and private … sectors. As we continue to grow significantly, securing contracts across Northern Ireland, we’re strengthening our technical team to meet demand. We’re looking for experienced Penetration Testers who are passionate about cyber security, thrive on technical challenges, and want to be part of a trusted and growing consultancy. What you’ll do: Conduct infrastructure, app, cloud & OT penetration … Work hands-on with clients from scoping through debrief Contribute to tooling, methodology and internal R&D What we’re looking for: 2+ years’ paid employment in penetration testing CHECK Team Lead or CHECK Team Member status (or equivalent) CTL must hold UK CSC Professional Title at Principal level or above Strong knowledge of networks More ❯

London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … environments with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. More ❯

London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … environments with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. More ❯

London (2 days per week on-site) Note: To be eligible for this role, you must be eligible for UK Security Clearance (SC). A high-performing digital security team is looking for an experienced Infrastructure Penetration Tester to join them in delivering critical assessments across complex and sensitive client environments. This is a hands-on internal testing role … environments Produce clear, concise reports tailored to both technical and non-technical audiences Build trusted relationships with clients in a consultancy-facing capacity Work within a small, high-trust team on sensitive engagements Contribute to the evolution of internal tooling and testing methodologies Operate effectively in environments with limited documentation or predefined processes Essential Experience and Skills At least … environments with technical debt Desirable Skills Python scripting or automation experience Understanding of Operational Technology (OT) networks Familiarity with internal infrastructure exploitation tools Certifications (preferred but not essential): CREST CTM, CTL, CSTM or Cyber Scheme Practitioner OSCP (current or lapsed) If you’re an experienced infrastructure penetration tester looking for meaningful work, we want to hear from you. More ❯

model | High-trust culture | Mission-critical work 🧭 The Opportunity Join a high-impact consultancy at the forefront of innovation and digital transformation. You’ll be part of a specialist team delivering critical infrastructure penetration tests across some of the most sensitive environments in the UK — from defence and national security to critical infrastructure and operational technology. This is not … through clear written reports and debriefs to a range of stakeholders Support sensitive clients operating in production environments — where mistakes matter Contribute to tooling, methodologies, and continuous improvement of team capability Engage with a technical and non-technical audience, acting as a trusted security advisor 🧠 What You Bring Core Skills: 4+ years of penetration testing experience (infrastructure/internal … line environments Desirable: Python scripting or automation experience Familiarity with OT (Operational Technology) networks Experience with tools like CrackMapExec, BloodHound, PowerView, etc. Certifications (a bonus, not a barrier): CREST CTM, CTL, CSTM, Cyber Scheme Practitioner OSCP Lapsed certifications are fine if practical skills are strong 👥 Team & Work Environment Tight-knit, high-performing team (2–3 people) with deep More ❯

model | High-trust culture | Mission-critical work 🧭 The Opportunity Join a high-impact consultancy at the forefront of innovation and digital transformation. You’ll be part of a specialist team delivering critical infrastructure penetration tests across some of the most sensitive environments in the UK — from defence and national security to critical infrastructure and operational technology. This is not … through clear written reports and debriefs to a range of stakeholders Support sensitive clients operating in production environments — where mistakes matter Contribute to tooling, methodologies, and continuous improvement of team capability Engage with a technical and non-technical audience, acting as a trusted security advisor 🧠 What You Bring Core Skills: 4+ years of penetration testing experience (infrastructure/internal … line environments Desirable: Python scripting or automation experience Familiarity with OT (Operational Technology) networks Experience with tools like CrackMapExec, BloodHound, PowerView, etc. Certifications (a bonus, not a barrier): CREST CTM, CTL, CSTM, Cyber Scheme Practitioner OSCP Lapsed certifications are fine if practical skills are strong 👥 Team & Work Environment Tight-knit, high-performing team (2–3 people) with deep More ❯

figure it out, and adapt when things inevitably go sideways. Coding skills - Not essential, but if you can sling some Python around, it’ll help. Certs - OSCE, OSCE, CTL, CTM would be nice. But if you don’t have it and you know your stuff, that’s fine too. Consultancy experience - Again, preferred. If you’ve worked client-side before … you’ll get the vibe. Location: The team’s largely remote as it stands. Occasionally, you’ll need to rock up to a client site - so don’t apply if you plan on never leaving the house. Level: They’re open to solid testers up to Principal level. But don’t expect a slow ramp-up - they need someone More ❯

figure it out, and adapt when things inevitably go sideways. Coding skills - Not essential, but if you can sling some Python around, it’ll help. Certs - OSCE, OSCE, CTL, CTM would be nice. But if you don’t have it and you know your stuff, that’s fine too. Consultancy experience - Again, preferred. If you’ve worked client-side before … you’ll get the vibe. Location: The team’s largely remote as it stands. Occasionally, you’ll need to rock up to a client site - so don’t apply if you plan on never leaving the house. Level: They’re open to solid testers up to Principal level. But don’t expect a slow ramp-up - they need someone More ❯

ReRoot Cyber is seeking highly skilled and forward-thinking CHECK Team Members to join one of the UK’s most respected testing teams. This is an independent, privately owned testing consultancy led by industry-recognised names who are hackers at heart. This team is led by an active penetration tester who understands the niggles of day penetration … s not where they phish. If you thrive on bringing ideas to life, creating bespoke tools and adding true value to your clients, then this is the penetration testing team for you. This is a home based position with very very very limited travel & public sector work. Full right to work in the UK is required Ideally you will … Hold active CHECK Team Member Status Have experience with creating bespoke tools & scripts Possess strong Infrastructure/Networking Knowledge Have a desire to continually learn about the security of new technologies Hold a genuine enthusiasm for solving problems & thinking outside the box Despite being a CHECK penetration testing provider, the business is increasingly focused on commercial More ❯

Penetration Tester Fully Remote - UK Wide Up to £60,000 We are looking for a Mid-Level Penetration Tester/CHECK Team Member to join our client working on both private and government sector clients. This role offers fully remote working and candidates must be UK based. Working with a talented and collaborative team you will … eye for future promotion into CTL or similar. Due to the nature of the clients, current Security Clearance is desired or the ability to obtain this. Other required skills: CTM/CSTM Strong diagnostic skills Strong communicator Comfortable working in a fast paced environment Commercial and open-source industry tools If you are interested in this remote first Penetration Tester More ❯