Penetration Tester Location: Cheltenham (Hybrid Working Available) An established cyber security consultancy is seeking a Penetration Tester to join its growing technical team based in Cheltenham. Working with clients across a variety of sectors, you will deliver offensive security assessments, identify vulnerabilities, and provide practical recommendations to improve security posture. This role offers exposure to a broad range of technologies, ongoing professional development, and the opportunity to work alongside experienced cyber security specialists. Key Responsibilities Conduct infrastructure, web application, and vulnerability assessments. Perform penetration testing activities across client environments. Deliver clear, accurate, and professional technical reports. Support client engagements from initial scoping through to delivery. Identify and communicate security risks and remediation recommendations. Stay up to date with emerging cyber threats, attack techniques, and industry developments. Work closely with clients and internal teams to deliver high-quality security services. Requirements Previous experience in penetration testing or offensive security. Experience testing infrastructure and web applications. Familiarity with common penetration testing tools such as Kali Linux, Burp Suite, Nessus, and similar platforms. Strong understanding of cyber security principles, vulnerabilities, and attack methodologies. Ability to communicate technical findings clearly to both technical and non-technical stakeholders. Relevant industry certifications such as CREST, CHECK, CompTIA PenTest+, OSCP, or equivalent are desirable. What's on Offer Competitive salary. Ongoing training and certification support. Career progression opportunities within a growing cyber security business. Exposure to a wide range of client projects and technologies. Company pension and additional employee benefits.
Jun 11, 2026
Full time
Penetration Tester Location: Cheltenham (Hybrid Working Available) An established cyber security consultancy is seeking a Penetration Tester to join its growing technical team based in Cheltenham. Working with clients across a variety of sectors, you will deliver offensive security assessments, identify vulnerabilities, and provide practical recommendations to improve security posture. This role offers exposure to a broad range of technologies, ongoing professional development, and the opportunity to work alongside experienced cyber security specialists. Key Responsibilities Conduct infrastructure, web application, and vulnerability assessments. Perform penetration testing activities across client environments. Deliver clear, accurate, and professional technical reports. Support client engagements from initial scoping through to delivery. Identify and communicate security risks and remediation recommendations. Stay up to date with emerging cyber threats, attack techniques, and industry developments. Work closely with clients and internal teams to deliver high-quality security services. Requirements Previous experience in penetration testing or offensive security. Experience testing infrastructure and web applications. Familiarity with common penetration testing tools such as Kali Linux, Burp Suite, Nessus, and similar platforms. Strong understanding of cyber security principles, vulnerabilities, and attack methodologies. Ability to communicate technical findings clearly to both technical and non-technical stakeholders. Relevant industry certifications such as CREST, CHECK, CompTIA PenTest+, OSCP, or equivalent are desirable. What's on Offer Competitive salary. Ongoing training and certification support. Career progression opportunities within a growing cyber security business. Exposure to a wide range of client projects and technologies. Company pension and additional employee benefits.
Penetration Tester - Leading Managed Services Provider Remote based. Salary: Up to 60k, depending on experience. A leading Managed Services Provider are seeking to recruit a technically skilled Cyber Security / Penetration Tester. This is a fantastic opportunity to join a well-established organisation delivering high-quality security services to enterprise clients across the UK. As a Penetration Tester, you will be responsible for conducting manual penetration testing across both application and infrastructure layers. You will contribute to secure build reviews, advise on secure design practices, and provide technical insight to both internal teams and clients. Key Responsibilities Perform manual penetration testing of web applications and infrastructure Conduct security build reviews across common operating systems (Windows, Redhat, Solaris) Analyse and harden database environments in line with security best practices Review and advise on web server design and implementation Produce clear and concise technical reports for a range of stakeholders Collaborate with internal teams and clients to support remediation and secure development Required Skills and Experience Proven experience in manual penetration testing (application and infrastructure) Strong understanding of TCP/IP and core networking principles Extensive experience testing web-based applications Familiarity with secure configuration and build reviews across major operating systems Comfortable programming in one or more languages (e.g. Python, Java, C#, Bash) Deep knowledge of database security and hardening techniques Solid technical understanding of web application architecture and server implementation Ideally you'll be working towards CREST Certified Web Application Tester or CREST Certified Infrastructure Tester or equivalent. If you are a technically driven Penetration Tester seeking a new challenge within a respected Managed Services Provider, we would be pleased to hear from you. Remote based. Paying up to 60k, depending on experience. Must be eligible for SC Clearance.
Oct 08, 2025
Full time
Penetration Tester - Leading Managed Services Provider Remote based. Salary: Up to 60k, depending on experience. A leading Managed Services Provider are seeking to recruit a technically skilled Cyber Security / Penetration Tester. This is a fantastic opportunity to join a well-established organisation delivering high-quality security services to enterprise clients across the UK. As a Penetration Tester, you will be responsible for conducting manual penetration testing across both application and infrastructure layers. You will contribute to secure build reviews, advise on secure design practices, and provide technical insight to both internal teams and clients. Key Responsibilities Perform manual penetration testing of web applications and infrastructure Conduct security build reviews across common operating systems (Windows, Redhat, Solaris) Analyse and harden database environments in line with security best practices Review and advise on web server design and implementation Produce clear and concise technical reports for a range of stakeholders Collaborate with internal teams and clients to support remediation and secure development Required Skills and Experience Proven experience in manual penetration testing (application and infrastructure) Strong understanding of TCP/IP and core networking principles Extensive experience testing web-based applications Familiarity with secure configuration and build reviews across major operating systems Comfortable programming in one or more languages (e.g. Python, Java, C#, Bash) Deep knowledge of database security and hardening techniques Solid technical understanding of web application architecture and server implementation Ideally you'll be working towards CREST Certified Web Application Tester or CREST Certified Infrastructure Tester or equivalent. If you are a technically driven Penetration Tester seeking a new challenge within a respected Managed Services Provider, we would be pleased to hear from you. Remote based. Paying up to 60k, depending on experience. Must be eligible for SC Clearance.
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-c.£650 to £700 a day 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 Please apply on line SmartSourcing are a Disability Confident Employer and we promote, celebrate and value diversity, we are committed to promoting equality and inclusion for all.
Oct 03, 2025
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-c.£650 to £700 a day 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 Please apply on line SmartSourcing are a Disability Confident Employer and we promote, celebrate and value diversity, we are committed to promoting equality and inclusion for all.
Penetration Tester (SC Cleared) Location: Wokingham - Hybrid working (50/50 split) Contract Duration: Until 26/12/2025 initially - with a view to extend Daily Rate: £525/day Inside IR35 - Candidates will need to work through an Umbrella Company Clearance Required: Active SC Clearance We are looking for an experienced Penetration Tester to join a cybersecurity team. This role offers the opportunity to work on a hybrid basis, engaging in high-impact security assessments across various platforms and environments. Key Responsibilities: Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document vulnerabilities, delivering detailed risk assessments Design and execute red team exercises and threat simulations Work closely with development and infrastructure teams to remediate findings Produce comprehensive reports highlighting risks, impacts, and mitigation strategies Stay up to date on emerging threats, tools, and techniques Support internal security awareness training and initiatives Contribute to the development of security policies and best practices Required Skills & Experience: Strong background in penetration testing, ethical hacking, or red teaming Deep knowledge of OWASP Top 10, MITRE ATT&CK, and CVSS scoring systems Proficiency with tools such as Burp Suite, Metasploit, Nmap, Wireshark, and Kali Linux Scripting experience with Python, Bash, or PowerShell Understanding of network protocols, operating systems, and cloud platforms Certifications such as OSCP , CEH , GPEN , or CRTP (highly desirable) Excellent analytical, communication, and reporting skills If you are interested and looking for your next role, please apply with a copy of your CV
Oct 01, 2025
Contractor
Penetration Tester (SC Cleared) Location: Wokingham - Hybrid working (50/50 split) Contract Duration: Until 26/12/2025 initially - with a view to extend Daily Rate: £525/day Inside IR35 - Candidates will need to work through an Umbrella Company Clearance Required: Active SC Clearance We are looking for an experienced Penetration Tester to join a cybersecurity team. This role offers the opportunity to work on a hybrid basis, engaging in high-impact security assessments across various platforms and environments. Key Responsibilities: Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms Identify, exploit, and document vulnerabilities, delivering detailed risk assessments Design and execute red team exercises and threat simulations Work closely with development and infrastructure teams to remediate findings Produce comprehensive reports highlighting risks, impacts, and mitigation strategies Stay up to date on emerging threats, tools, and techniques Support internal security awareness training and initiatives Contribute to the development of security policies and best practices Required Skills & Experience: Strong background in penetration testing, ethical hacking, or red teaming Deep knowledge of OWASP Top 10, MITRE ATT&CK, and CVSS scoring systems Proficiency with tools such as Burp Suite, Metasploit, Nmap, Wireshark, and Kali Linux Scripting experience with Python, Bash, or PowerShell Understanding of network protocols, operating systems, and cloud platforms Certifications such as OSCP , CEH , GPEN , or CRTP (highly desirable) Excellent analytical, communication, and reporting skills If you are interested and looking for your next role, please apply with a copy of your CV
Penetration Tester - HIRING ASAP Start date: ASAP Duration: Till end of December 2025 with an extension thereafter Location: 2-3 days in Wokingham, 2-3 days remote working. Rate: £459 per day inside ir35 Responsibilities Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms. Identify, exploit, and document security vulnerabilities with detailed risk assessments. Develop and execute red team exercises and threat simulations. Collaborate with development and infrastructure teams to remediate findings. Prepare comprehensive reports outlining findings, impact, and mitigation strategies. Stay current with latest attack vectors, tools, and security trends. Assist in security awareness training and internal education efforts. Contribute to security policies and best practices development. Key Skills Proven experience in penetration testing, ethical hacking, or red teaming. Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring. Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux. Familiarity with Scripting languages (Python, Bash, PowerShell). Knowledge of network protocols, operating systems, and cloud environments. Relevant certifications (eg, OSCP, CEH, GPEN, CRTP) are highly desirable. Excellent analytical, communication, and report-writing skills
Oct 01, 2025
Contractor
Penetration Tester - HIRING ASAP Start date: ASAP Duration: Till end of December 2025 with an extension thereafter Location: 2-3 days in Wokingham, 2-3 days remote working. Rate: £459 per day inside ir35 Responsibilities Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms. Identify, exploit, and document security vulnerabilities with detailed risk assessments. Develop and execute red team exercises and threat simulations. Collaborate with development and infrastructure teams to remediate findings. Prepare comprehensive reports outlining findings, impact, and mitigation strategies. Stay current with latest attack vectors, tools, and security trends. Assist in security awareness training and internal education efforts. Contribute to security policies and best practices development. Key Skills Proven experience in penetration testing, ethical hacking, or red teaming. Strong understanding of OWASP Top 10, MITRE ATT&CK, and CVSS scoring. Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux. Familiarity with Scripting languages (Python, Bash, PowerShell). Knowledge of network protocols, operating systems, and cloud environments. Relevant certifications (eg, OSCP, CEH, GPEN, CRTP) are highly desirable. Excellent analytical, communication, and report-writing skills
