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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Nomios
information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach by Nomios holds impressive certifications, including CREST, CHECK, PCI QSA, and ISO 27001. With our focus on enhancing customers' security and fostering team development, you'll be joining a company that prioritizes both your growth and … attaining industry recognised certifications. • Be available for occasional on-call duties and on-site client engagements, as needed. What We're Looking For • Certifications: Relevant certifications such as CREST CRT, CREST CCT, OSCP, OSWE, OSCE, or equivalent level. • Experience: At least two years in penetration testing, covering network, web, and internal tests and customer engagements. • Tools More ❯
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by More ❯
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by $29M funding, recognised More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Xact Placements Limited
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Xact Placements Limited
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by 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 ❯
Job Title: CREST Accredited Security Tester 6 Month Contract Hybrid (Central London based) £670 Per Day Inside IR35 Overview: Seeking a CREST-accredited Security Tester with strong penetration testing and vulnerability management expertise. Skilled in Tenable Nessus and experienced in managing third-party testing engagements , you'll deliver high-impact security assurance across complex environments. Key … Responsibilities: Conduct internal penetration testing and security assessments across cloud and on-premise systems. Scope, execute, and report on tests using CREST standards and Nessus . Produce clear, high-quality scopes, proposals, and technical reports . Provide SME guidance on threats, risks, and testing methodologies. Manage and coordinate third-party CHECK/CREST testers . Lead … vulnerability management activities, validating remediation. Contribute to testing frameworks, playbooks, and secure-by-design practices . Research and assess emerging threats to enhance testing capability. Skills & Experience: CRESTcertification (CRT or equivalent). Proven penetration testing and security assurance expertise. Strong hands-on experience with Tenable Nessus . Track record of managing third-party pen testing engagements . More ❯
Senior Network Architect (Construction) Surrey £80,000 to £90,000 + 8:30 am 5:00 pm + Company Events + Company Bonus + Paid Training Courses Are you a Network Architect or similar looking to join a tight-knit More ❯