South East London, London, United Kingdom Hybrid / WFH Options
4SQUARE RECRUITMENT LTD
latest security vulnerabilities, attack vectors, tools, and methodologies. Contribute to the continuous improvement of our testing methodologies and service offerings. Essential Skills & Qualifications Must hold active CRESTCertified Tester (CRT) certification. (Non-negotiable) Proven commercial experience in a penetration testing role. Deep technical knowledge of networking protocols, operating systems (Windows, Linux), and common infrastructure vulnerabilities. Strong experience … fully remote environment. Desirable Skills & Qualifications Experience with or knowledge of implementing Cyber Essentials and Cyber Essentials Plus schemes is highly desirable. Additional certifications such as: CRESTCertified Simulated Attack Specialist (CCSAS)/Certified Simulated Attack Manager (CCSAM) Offensive Security Certified Professional (OSCP) Certified Information Systems Security Professional (CISSP) SANS GIAC Penetration Tester (GPEN More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
4Square Recruitment Ltd
latest security vulnerabilities, attack vectors, tools, and methodologies. Contribute to the continuous improvement of our testing methodologies and service offerings. Essential Skills & Qualifications Must hold active CRESTCertified Tester (CRT) certification. (Non-negotiable) Proven commercial experience in a penetration testing role. Deep technical knowledge of networking protocols, operating systems (Windows, Linux), and common infrastructure vulnerabilities. Strong experience … fully remote environment. Desirable Skills & Qualifications Experience with or knowledge of implementing Cyber Essentials and Cyber Essentials Plus schemes is highly desirable. Additional certifications such as: CRESTCertified Simulated Attack Specialist (CCSAS)/Certified Simulated Attack Manager (CCSAM) Offensive Security Certified Professional (OSCP) Certified Information Systems Security Professional (CISSP) SANS GIAC Penetration Tester (GPEN More ❯
lead role Be a subject matter expert in at least 2 of the following domains: Web, API, Mobile, Infra and Cloud testing Relevant security testing certifications such as CREST (CRT, CCT), OSCP, OSCE, GPEN, GXPN Demonstrable knowledge of the common vulnerabilities (OWASP) and attacker TTPs (MITRE ATT&CK) Strong analytical thinking, effective communication skills, and the ability to More ❯
understanding of cyber threats, attack vectors, and mitigation strategies. Familiarity with forensic and security tools. Excellent communication and stakeholder engagement skills. Desirable Qualifications Certifications such as CrestCertified Incident Manager (CCIM), GIAC Certified Incident Handler (GCIH), or equivalent. Degree or MSc in Information Security, IT, or a relevant STEM discipline. Eligibility for UK government security clearance More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
Cyber Guarded Ltd
across Northern Ireland, we’re strengthening our technical team to meet demand. We are seeking skilled Penetration Testers who are either already Cyber Scheme Team Member (CSTM) or CREST Registered Penetration Tester (CRT) or have the technical ability and motivation to gain the above qualifications in the near future to achieve NCSC CHECK Penetration Testing status. What You More ❯
in a similar role, in both responsibility and scale Proficiency with one of the following: Python, Jenkins, Powershell, Bash, GitHub Actions Relevant professional certifications for example: CISSP SANS Crest/CHECK Strong understanding of shift left Proven experience with of working with development teams on security related topics Either hands on secure software development or applications security testing More ❯
in a similar role, in both responsibility and scale Proficiency with one of the following: Python, Jenkins, Powershell, Bash, GitHub Actions Relevant professional certifications for example: CISSP SANS Crest/CHECK Strong understanding of shift left Proven experience with of working with development teams on security related topics Either hands on secure software development or applications security testing More ❯
management and authentication/authorisation products and patterns. End-to-end security involvement (governance, risk, compliance, operational security, supply chain, user management). Penetration testing qualifications (e.g. OSCP, CREST, TIGER, or equivalent). Active knowledge sharing, internally or externally. If you are a proven security leader with strong architecture and consulting experience, apply today. More ❯
and delivery dynamics Desirable Experience Identity management and authentication/authorization patterns Involvement in governance, risk, compliance, operational security, and secure user management Penetration testing certifications (e.g. OSCP, CREST, TIGER or equivalent) Active participation in knowledge sharing and community engagement Benefits Competitive salary and comprehensive benefits package Flexible working arrangements Opportunities to work on meaningful, large-scale digital More ❯
mentoring, or coaching technical professionals Desirable Experience: Identity management and authentication/authorisation technologies Broader involvement in governance, risk, compliance, and operational security Penetration testing qualifications (e.g. OSCP, CREST, TIGER or equivalent) Experience leading teams of security engineers or junior architects You’ll Enjoy: Highly competitive salary up to £100,000 Annual bonus scheme Flexible homeworking with UK More ❯
industry. The role: Access to elite engagements across red teaming, infrastructure, and bespoke threat led assessments Career pathways from Senior Consultant to Principal and beyond Support for further CREST certifications and CHECK status Flexible working, generous benefits, and a culture that backs technical excellence What we’re looking for: Valid CCT INF certification - ESSENTIAL Strong hands on experience More ❯
of regulatory and legal frameworks around incident response. Preferred Qualifications ChCSP – Incident Response certification (or working towards). Industry certifications such as GIAC (GCFA, GEIR, GCFE, GREM, GNFA), CREST CRTIR, CISM, CISSP. Sector exposure across government, financial services, healthcare, or critical national infrastructure (CNI). Skills in malware reverse engineering and deep knowledge of adversary tradecraft. Experience working More ❯
of regulatory and legal frameworks around incident response. Preferred Qualifications ChCSP – Incident Response certification (or working towards). Industry certifications such as GIAC (GCFA, GEIR, GCFE, GREM, GNFA), CREST CRTIR, CISM, CISSP. Sector exposure across government, financial services, healthcare, or critical national infrastructure (CNI). Skills in malware reverse engineering and deep knowledge of adversary tradecraft. Experience working More ❯
Excellent communication skills and confidence engaging with both technical and executive audiences. ✅ Preferred Qualifications ChCSP – Incident Response (or willingness to attain). GIAC (GCFA, GCFE, GEIR, GREM, GNFA), CREST CRTIR, CISM, or CISSP certifications. Experience liaising with legal, regulatory, and insurance stakeholders during high-pressure incidents. Background in reverse engineering, threat intelligence, or TTP attribution. Public contributions to More ❯
information please visit the UK ENIC website. Working hours: Monday to Friday, 9am - 5pm Benefits: Mentorship: Direct support from senior security consultants Funded training and certifications (e.g., CompTIA, CREST, Cyber Essentials assessor status) Exposure to varied projects, from compliance audits to penetration testing Paid industry events and conferences to build knowledge and network Training & development opportunities Regular, companywide More ❯
Overview CHECK Team Leader - Up to £80,000 (Remote with occasional travel to client sites) We're seeking a certified CHECK Team Leader to lead high-impact security testing across enterprise and cloud environments. This is a key role for an experienced professional ready to take ownership of critical engagements and mentor junior testers. Key Responsibilities Lead infrastructure and … reports. Support red teaming, adversary emulation, and R&D activities. Contribute to tooling and service development. Required Skills & Experience CHECK Team Leader certification (CTL-INF - Cyber Scheme or CREST). 2+ years as a CTL and 3+ years of penetration testing experience. Strong knowledge of Active Directory, infrastructure, and cloud security. Proficiency with tools like Burp Suite, Nmap More ❯
EDR tooling and methodologies Exposure to TIBER, CBEST, CSTAR , or other regulatory red teaming standards Involvement in DORA readiness or related compliance work Holder (or previous holder) of CREST CCSAS, CCRTS, or CCSAM Experience developing novel initial access techniques or custom tooling Why Join? You'll be part of a seasoned, high-performing red team delivering engagements that More ❯
team management and mentoring. Familiarity with the consulting sales lifecycle, including opportunity identification and bid support. Excellent analytical, presentation, and organisational skills. Preferred Qualifications Professional certifications such as CREST or equivalent. Experience in risk advisory or Big Four consultancy environment. Exposure to emerging technologies in risk and controls, such as automation, data analytics, AI etc. Reports to: RSC More ❯
contextualize vulnerabilities by evaluating exploit difficulty, existing controls, and potential impact Produce clear, actionable management-level reports that translate technical findings into business risk language Collaborate with external CREST-accredited assessors and deliver customer-facing vulnerability summaries Coordinate secure changes and maintenance windows with engineering teams Respond to security incidents and support root cause analysis and reporting Participate More ❯
to support a wide range of client needs What we’re looking for: 2+ years’ experience in penetration testing CREST Practitioner, CRT, or Cyber Scheme Team Member certified Ability to maintain UK security clearances as required by the business Hands-on experience with tools like BurpSuite, Metasploit, Nmap, Nessus Strong understanding of TCP/IP, OSI model More ❯
enforce security measures, including working with service teams excellent written and verbal communication skills as well as business acumen and a commercial outlook Relevant industry qualifications and accreditations e.g. Certified Cyber Professional (CCP), CREST Registered Technical Security Architect, BCS Practitioner Certificate in Information Assurance Architecture, ISC(2) Information Systems Security Architecture Professional, CISSP, CISM, or other relevant More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Mac Recruit Group
Are you an experienced C yber Security sales professional with a passion for new business r eady to take your career to the next level? A U K Government-certified and CREST-accredited consultancy is seeking a Sales/Business Development Manager (BDM) to help expand its client base across a range of sectors. With a trusted More ❯
SOC lead required for innovative MSP. You will lead the strategic direction, performance, and day-to-day operations of their Security Operations Centre (SOC). As a central figure in security services, you'll ensure the efficient detection, analysis, and More ❯
SOC lead required for innovative MSP. You will lead the strategic direction, performance, and day-to-day operations of their Security Operations Centre (SOC). As a central figure in security services, you'll ensure the efficient detection, analysis, and More ❯
SOC lead required for innovative MSP. You will lead the strategic direction, performance, and day-to-day operations of their Security Operations Centre (SOC). As a central figure in security services, you'll ensure the efficient detection, analysis, and More ❯