Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetrationtesting across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetrationtesting (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetrationtesting across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetrationtesting (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetrationtesting across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetrationtesting (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetrationtesting across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetrationtesting (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Manual Penetration Tester Fully Remote We're proud to be working with a renowned MSP in support of their search for an experienced Manual Penetration Tester. Key Responsibilities Carry out hands-on penetrationtesting across applications, infrastructure, and networks, with a particular focus on web apps and security products Deliver highly technical and effective security engagements … through hands on systematic and innovative testing Lead teams on client engagements as well as working alone Deliver detailed and actionable penetration test reports efficiently Explain complex security issues in a clear, business-focused way to different audiences, from technical development teams to senior non-technical management teams. Required experience Proven history in the delivery of manual penetrationtesting (Application and Infrastructure) A solid understanding of TCP/IP and networking concepts Extensive knowledge in the testing of Web-based applications Knowledge or experience of security build reviews for all common operating systems Comfortable with programming in one or more languages Deep knowledge of databases, including security considerations and database hardening techniques Solid technical understanding More ❯
CHECK Registered Penetration Tester - UK remote - £50k - £70k Location: Fully Remote (UK-based) Salary: £50,000 – £70,000 + Excellent Benefits About the Role We’re working with a well-established and fast-growing cybersecurity consultancy that is looking to expand its team of expert penetration testers. This is an exciting opportunity for a CHECK Registered Pen Tester … CTM level or above) to join a collaborative, forward-thinking environment where your skills will be valued and developed. Key Responsibilities Conduct penetrationtesting engagements across a variety of sectors including healthcare, telecoms, and financial services Deliver high-quality technical assessments in line with CHECK standards Produce clear, concise, and actionable reports for both technical and non-technical … stakeholders Collaborate with senior consultants and principals to ensure best practices and knowledge sharing Stay current with emerging threats, tools, and techniques to continuously improve testing methodologies What We’re Looking For CHECK Team Member (CTM) or CHECK Team Leader (CTL) status Strong knowledge of penetrationtesting tools, techniques, and methodologies Excellent communication and report-writing skills More ❯
SP800 series, CSF). Conduct risk assessments and vulnerability management activities. Maintain robust security controls across enterprise assets, software, networks, and applications. Support incident response and recovery processes, including penetrationtesting and audit log management. Deliver training and awareness programs to enhance the organizations security posture. Collaborate with internal and external stakeholders to maintain compliance and manage third … analytical mindset with strong problem-solving skills. Technical Skills: Comprehensive knowledge of security controls, including: Data Protection, Account Management, and Access Control Management. Continuous Vulnerability Management and Incident Response. PenetrationTesting and Security Awareness Training. Secure Configuration and Network Monitoring. More ❯
SP800 series, CSF). Conduct risk assessments and vulnerability management activities. Maintain robust security controls across enterprise assets, software, networks, and applications. Support incident response and recovery processes, including penetrationtesting and audit log management. Deliver training and awareness programs to enhance the organizations security posture. Collaborate with internal and external stakeholders to maintain compliance and manage third … analytical mindset with strong problem-solving skills. Technical Skills: Comprehensive knowledge of security controls, including: Data Protection, Account Management, and Access Control Management. Continuous Vulnerability Management and Incident Response. PenetrationTesting and Security Awareness Training. Secure Configuration and Network Monitoring. More ❯
Location: Fully Remote Day Rate: 700-1100/day (OUTSIDE IR35) Contract Length: 3 Months (with the view to extend) Principal Solutions Architect/Consultant - Role & Responsibilities Requirements gathering Penetrationtesting & exploitation Consulting with customers Communicating and advising customers on vulnerabilities across systems & assets Security Architecture Principal Solutions Architect/Consultant - Required Experience 8+ years in customer-facing … Architecture/Consulting roles, presenting to Senior Stakeholders Experience in the telecommunications sector (ideally on a global scale), working to GSMA standards Advanced Security Architecture & Threat Modeling Vulnerability management Penetrationtesting & exploitation Cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes) Network security (firewalls, SIEM, IDS/IPS, packet analysis) Secure software development & code review Incident response More ❯
Location: Fully Remote Day Rate: £700-1100/day (OUTSIDE IR35) Contract Length: 3 Months (with the view to extend) Principal Solutions Architect/Consultant - Role & Responsibilities Requirements gathering Penetrationtesting & exploitation Consulting with customers Communicating and advising customers on vulnerabilities across systems & assets Security Architecture Principal Solutions Architect/Consultant - Required Experience 8+ years in customer-facing … Architecture/Consulting roles, presenting to Senior Stakeholders Experience in the telecommunications sector (ideally on a global scale), working to GSMA standards Advanced Security Architecture & Threat Modeling Vulnerability management Penetrationtesting & exploitation Cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes) Network security (firewalls, SIEM, IDS/IPS, packet analysis) Secure software development & code review Incident response More ❯
Stone, Staffordshire, England, United Kingdom Hybrid / WFH Options
Meritus Talent
impact security projects within complex OT environments. As a Senior ICS OT Cyber Security Engineer, you will take a lead role in securing operational technology networks, delivering threat modelling, penetrationtesting, and cyber risk mitigation strategies for industrial environments. You will work closely with key stakeholders to design secure architectures, provide technical leadership on live security projects, and … candidates to be eligible for SC Level Security Clearance. Main Responsibilities: Lead the design and implementation of secure OT network architectures across critical infrastructure environments. Conduct attack path analysis, penetrationtesting and adversary simulations within ICS/OT environments. Perform cybersecurity risk assessments and technical security audits aligned to recognised industry frameworks. Develop technical design specifications and security More ❯
with product teams to design and review features with security built in from the start. Identify and mitigate vulnerabilities using white-box (code review, architecture analysis) and black-box (penetrationtesting, fuzzing) techniques. Proactively find security flaws in applications, APIs, and infrastructure, and help teams remediate them quickly. Introduce pragmatic security tooling and automation to strengthen defences without … including collaborating on incident response when needed. What you need to be successful: Track record of finding and remediating application security vulnerabilities, ideally demonstrated through in-depth security research, penetrationtesting, or red teaming. Hands-on experience with white-box and black-box testing techniques and tools. Familiarity with secure software development in modern web applications (React More ❯
Solihull, England, United Kingdom Hybrid / WFH Options
InfoSec People Ltd
Penetration Tester Solihull (Hybrid) £50,000 – £80,000 + Benefits + Generous pension! National cyber & telecoms testing environment We’re working with a major national telecoms and cyber security programme building a world-class research and testing facility to help secure the UK’s communications networks and accelerate innovation in next-generation connectivity. As part of this … initiative, we’re hiring Penetration Testers who will identify vulnerabilities across the hardware, software, and platforms that power the UK’s critical digital infrastructure. You’ll test everything from 5G and core network components to virtualised environments and bespoke tooling, with the work you are doing directly strengthening national resilience. This is not your typical pen-testing role. … D, working alongside engineers and researchers to uncover complex vulnerabilities and improve the security of the UK’s network ecosystem. What You’ll Be Doing Conduct hands-on security testing of modern IT and telecoms network components. Perform protocol fuzzing, positive/negative testing, and exploit development across complex network functions. Develop or script custom tooling for automated More ❯
birmingham, midlands, united kingdom Hybrid / WFH Options
InfoSec People Ltd
Penetration Tester Solihull (Hybrid) £50,000 – £80,000 + Benefits + Generous pension! National cyber & telecoms testing environment We’re working with a major national telecoms and cyber security programme building a world-class research and testing facility to help secure the UK’s communications networks and accelerate innovation in next-generation connectivity. As part of this … initiative, we’re hiring Penetration Testers who will identify vulnerabilities across the hardware, software, and platforms that power the UK’s critical digital infrastructure. You’ll test everything from 5G and core network components to virtualised environments and bespoke tooling, with the work you are doing directly strengthening national resilience. This is not your typical pen-testing role. … D, working alongside engineers and researchers to uncover complex vulnerabilities and improve the security of the UK’s network ecosystem. What You’ll Be Doing Conduct hands-on security testing of modern IT and telecoms network components. Perform protocol fuzzing, positive/negative testing, and exploit development across complex network functions. Develop or script custom tooling for automated More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Mac Recruit Group
of the most lucrative commission structures in the industry, uncapped & paid monthly designed to truly recognise top performance. A complete cybersecurity portfolio: Offer clients end-to-end solutions spanning penetrationtesting, offensive security, managed SOC, cloud security, and compliance, empowering you to sell with confidence and deliver real value. What Were Looking For Proven success in cyber security … sales, ideally within penetrationtesting, managed SOC, threat intelligence or Cyber Essentials Strong experience in new business B2B sales The ability to engage senior stakeholders at UK SMEs and mid-market organisations A collaborative, driven mindset with exceptional organisational and communication skills Whats In It For You: The role offers a base salary of £40,000 to More ❯
Crewe, Cheshire, England, United Kingdom Hybrid / WFH Options
Adecco
the role: As a Cyber Security Test Engineer, you will report to the Functional Manager - Product Security Test & Incident Management. Your primary responsibility will be preparing and executing cybersecurity testing for automotive products in compliance with UNECE R.155 and China GB 44495 regulations. Your contributions will be vital in ensuring our vehicle systems meet regulatory requirements across global markets. … Key Responsibilities: Manage Test Properties : Ensure readiness for cybersecurity testing, including flashing, coding, debugging, analysis, and issue resolution on test benches and vehicles. Develop Test Cases : Create cybersecurity test cases that align with regulatory requirements (e.g., UNECE R155, GB 44495). Execute Tests : Carry out cybersecurity test cases and generate comprehensive reports. Support Compliance Testing : Assist in cybersecurity … homologation and compliance testing activities for global regions. Coordinate Testing : Plan and oversee various levels of product security testing throughout the development lifecycle. About You: We're looking for a delivery-focused and results-driven individual with a passion for cybersecurity in the automotive sector. The ideal candidate will have hands-on experience in product security testingMore ❯
Senior Infrastructure Penetration Tester Location: London flexible hybrid Salary: £70,000 – £80,000 We’re hiring on behalf of our client, a growing PenetrationTesting Consultancy, for a Senior Infrastructure Penetration Tester to join their elite Testing team. This role is ideal for someone who thrives on deep technical challenges, values autonomy, and enjoys working … in a fast paced and growing environment. What You’ll Be Doing Leading infrastructure penetration tests across complex environments (on prem, cloud, hybrid). Identifying and exploiting vulnerabilities in networks, systems, and configurations. Developing custom tooling and scripts to support testing and reporting. Conducting technical research and publishing internal findings or blogs. Supporting threat modelling and contributing to … detection engineering efforts. Working closely with clients to provide solutions and deliver elite technical assessments. What You Bring Strong hands on experience in infrastructure penetration testing. Ability to work independently and think creatively. Strong consultative experience, ability to work closely with various clients and discuss on both technical and non technical levels. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Senior Infrastructure Penetration Tester Location: London flexible hybrid Salary: £70,000 – £80,000 We’re hiring on behalf of our client, a growing PenetrationTesting Consultancy, for a Senior Infrastructure Penetration Tester to join their elite Testing team. This role is ideal for someone who thrives on deep technical challenges, values autonomy, and enjoys working … in a fast paced and growing environment. What You’ll Be Doing Leading infrastructure penetration tests across complex environments (on prem, cloud, hybrid). Identifying and exploiting vulnerabilities in networks, systems, and configurations. Developing custom tooling and scripts to support testing and reporting. Conducting technical research and publishing internal findings or blogs. Supporting threat modelling and contributing to … detection engineering efforts. Working closely with clients to provide solutions and deliver elite technical assessments. What You Bring Strong hands on experience in infrastructure penetration testing. Ability to work independently and think creatively. Strong consultative experience, ability to work closely with various clients and discuss on both technical and non technical levels. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Digital Waffle
Job Title: Senior Penetration Tester (Infrastructure Focus) Location: London (Hybrid/Flexible) Salary: Up to £80,000 + Bonus + Benefits Employment Type: Permanent Overview We are seeking an experienced Senior Penetration Tester with a strong background in infrastructure security testing to join a growing offensive security team. The ideal candidate will have deep technical expertise, the … role in strengthening the organisation's security posture by conducting infrastructure-focused assessments, mentoring junior testers, and influencing remediation strategies. Key Responsibilities Deliver internal and external network and infrastructure penetration tests , including on-premises and cloud-hosted environments Perform testing of Windows & Linux infrastructure, Active Directory, network services, and security appliances Conduct vulnerability exploitation , privilege escalation, and lateral … debriefs Contribute to tooling, methodology enhancement, and internal research initiatives Stay up-to-date with emerging vulnerabilities, exploits, and attacker techniques Required Skills & Experience 3-5+ years' professional penetrationtesting/offensive security experience Strong understanding of enterprise infrastructure, AD security, networking, and protocols Proficiency with tools such as Nmap, Nessus, Metasploit, BloodHound, Burp Suite, Kali/ More ❯
lifecycle complex projects across a wide selection of technologies and platforms for our client's digital solutions. You will secure enterprise information by determining security requirements; planning, implementing, and testing security systems; preparing security standards, policies, and procedures; mentoring team members. You will belong to an internationally connected team of specialists helping clients with their most complex cybersecurity needs … approaches such as cyber kill chain, STRIDE, exposure analysis etc An in-depth awareness and understanding of the cyber and business risks associated with the threat and vulnerability and penetrationtesting domain Requirement to stay up-to-date on current security threats, trends and control solutions Experience in preparing system security reports by collecting, analysing, and summarizing data … with business as well as technology stakeholders. Experience and attributes for success: Experience : 7 years' experience working in cyber security technical roles advising on security controls design, implementation and testing on across various sectors Experience with audits of compliance frameworks such as PCI, ISO, or HIPAA. Experience in 'Big 4' or similar consultancy experience in the Irish market Track More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
well as carrying out manual reviews to discover any issues with customer infrastructure and web applications. You'll be pro-active and will have the opportunity within Red Team testing to try anything and everything to outmanoeuvre the defenders and gain access to customer networks. WFH Policy: There's a remote interview/onboarding process and the ability to … top tier world university - Computer Science, Engineering, Physics or Mathematics; MSc or PhD advantageous You're OSCP or CRT certified You have commercial experience with Offensive Security, Red Team testing or Penetrationtesting You have a keen interest in Cyber Security and understanding of key concepts and protocols You can code with any OO programming language (e.g. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
well as carrying out manual reviews to discover any issues with customer infrastructure and web applications. You'll be pro-active and will have the opportunity within Red Team testing to try anything and everything to outmanoeuvre the defenders and gain access to customer networks. WFH Policy: There's a remote interview/onboarding process and the ability to … top tier world university - Computer Science, Engineering, Physics or Mathematics; MSc or PhD advantageous You're OSCP or CRT certified You have commercial experience with Offensive Security, Red Team testing or Penetrationtesting You have a keen interest in Cyber Security and understanding of key concepts and protocols You can code with any OO programming language (e.g. More ❯
Liverpool, Merseyside, England, United Kingdom Hybrid / WFH Options
Kingsgate Recruitment Ltd
concepts Strong analytical and problem-solving skills Good communication skills and the ability to explain technical concepts clearly Nice to Have (But Not Required): Personal or academic experience with penetrationtesting, malware analysis, or security tools Knowledge of scripting (e.g. Python, Bash, PowerShell) Internship, placement, or lab-based university project in security Familiarity with security frameworks or certifications … real users and systems Mentoring : One-on-one support to help you grow professionally and personally Career Pathways : Clear progression into specialised roles such as SOC Analyst, Security Engineer, Penetration Tester, or Risk Analyst Collaborative Culture : Join a team that values innovation, integrity, and inclusion Excellent Company Benefits We believe in supporting our people from day one. Here’s More ❯
Cardiff, South Glamorgan, Wales, United Kingdom Hybrid / WFH Options
Kingsgate Recruitment Ltd
concepts Strong analytical and problem-solving skills Good communication skills and the ability to explain technical concepts clearly Nice to Have (But Not Required): Personal or academic experience with penetrationtesting, malware analysis, or security tools Knowledge of scripting (e.g. Python, Bash, PowerShell) Internship, placement, or lab-based university project in security Familiarity with security frameworks or certifications … real users and systems Mentoring : One-on-one support to help you grow professionally and personally Career Pathways : Clear progression into specialised roles such as SOC Analyst, Security Engineer, Penetration Tester, or Risk Analyst Collaborative Culture : Join a team that values innovation, integrity, and inclusion Excellent Company Benefits We believe in supporting our people from day one. Here’s More ❯
Birmingham, West Midlands, England, United Kingdom Hybrid / WFH Options
Kingsgate Recruitment Ltd
concepts Strong analytical and problem-solving skills Good communication skills and the ability to explain technical concepts clearly Nice to Have (But Not Required): Personal or academic experience with penetrationtesting, malware analysis, or security tools Knowledge of scripting (e.g. Python, Bash, PowerShell) Internship, placement, or lab-based university project in security Familiarity with security frameworks or certifications … real users and systems Mentoring : One-on-one support to help you grow professionally and personally Career Pathways : Clear progression into specialised roles such as SOC Analyst, Security Engineer, Penetration Tester, or Risk Analyst Collaborative Culture : Join a team that values innovation, integrity, and inclusion Excellent Company Benefits We believe in supporting our people from day one. Here’s More ❯