Essential Roles & Responsibilities As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises. Key Responsibilities: Undertaking web and mobile application testing and infrastructure testing engagements Using the opportunities provided by the business to improve skills and capabilities into all areas of testing Working with key clients providing bespoke consultancy, analysis and expertise Collaborating with other Claranet Business Units on large client digital transformation projects Delivering targeted research and development in line with direction of the business If not achieved already, working towards CREST qualifications; CPSA, CRT and CCT Essential Technical: Have a good understanding of web & mobile application and infrastructure testing and methodologies Able to manually and proficiently exploit web application and network infrastructure vulnerabilities Have a logical and time-conscious approach to report writing Have a working knowledge of common programming languages such as C, C++, C#, Java Have experience of at least one scripting language such as Ruby, Python or Perl Essential Experience: Delivering chargeable web app testing engagements Providing remediation advice Producing accurate technical reports Working under pressure of deadlines and structuring workload accordingly Problem-solving, helping others to understand complex ideas Essential General: Client facing, able to confidently and professionally represent the company Must be self-motivated and able to work in an independent manner as well as part of a team Excellent written and oral communications skills In Addition, The Following Are Highly Desirable: Security clearance (or eligibility for clearance) CTM or CTL status CISSP, CISA, CEH, OSCP or equivalent reputable information security certifications Familiarity with testing cloud environments Public speaking experience Full UK driving license
Aug 07, 2026
Full time
Essential Roles & Responsibilities As a Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will be involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises. Key Responsibilities: Undertaking web and mobile application testing and infrastructure testing engagements Using the opportunities provided by the business to improve skills and capabilities into all areas of testing Working with key clients providing bespoke consultancy, analysis and expertise Collaborating with other Claranet Business Units on large client digital transformation projects Delivering targeted research and development in line with direction of the business If not achieved already, working towards CREST qualifications; CPSA, CRT and CCT Essential Technical: Have a good understanding of web & mobile application and infrastructure testing and methodologies Able to manually and proficiently exploit web application and network infrastructure vulnerabilities Have a logical and time-conscious approach to report writing Have a working knowledge of common programming languages such as C, C++, C#, Java Have experience of at least one scripting language such as Ruby, Python or Perl Essential Experience: Delivering chargeable web app testing engagements Providing remediation advice Producing accurate technical reports Working under pressure of deadlines and structuring workload accordingly Problem-solving, helping others to understand complex ideas Essential General: Client facing, able to confidently and professionally represent the company Must be self-motivated and able to work in an independent manner as well as part of a team Excellent written and oral communications skills In Addition, The Following Are Highly Desirable: Security clearance (or eligibility for clearance) CTM or CTL status CISSP, CISA, CEH, OSCP or equivalent reputable information security certifications Familiarity with testing cloud environments Public speaking experience Full UK driving license
The Role The Senior Security Engineer (Team Leader) is responsible for leading a dedicated security engineering team, combining hands-on platform engineering with technical leadership and people management. You will own security platform architecture, act as the primary escalation point for complex issues, and ensure platforms remain secure, resilient, and compliant within a regulated environment. Key Responsibilities Act as technical lead for security engineering and platform architecture Serve as primary escalation point for complex and major incidents Provide technical leadership and mentoring to engineers and analysts Line manage and develop the security engineering and analyst teams Own platform maintenance, configuration, and lifecycle management Ensure security platforms are integrated across hybrid environments Oversee patching, upgrades, and platform performance Drive platform improvements and engineering enhancements Support detection engineering, tuning, and platform optimisation Lead automation and SOAR initiatives to improve efficiency Collaborate with SOC providers on SIEM governance and data ingestion Ensure platforms meet regulatory and compliance requirements Maintain engineering documentation, standards, and governance Represent engineering in client governance and audit activities Coordinate cross-team resolution of complex technical issues Experience & Knowledge Essential: Significant experience in security engineering and platform management Strong leadership experience managing technical teams Deep knowledge of Microsoft Defender and SIEM platforms (e.g. Sentinel) Experience in hybrid cloud and on-prem environments Strong understanding of security architecture and frameworks Experience in regulated environments (e.g. financial services) Strong stakeholder and client engagement skills Experience with automation and scripting (PowerShell, Python, etc.) Desirable: Experience with vulnerability and exposure management tools Knowledge of security frameworks (NIST, ISO 27001, CIS) Relevant security certifications (e.g. CISSP, AZ-500, SC-100)
Aug 05, 2026
Full time
The Role The Senior Security Engineer (Team Leader) is responsible for leading a dedicated security engineering team, combining hands-on platform engineering with technical leadership and people management. You will own security platform architecture, act as the primary escalation point for complex issues, and ensure platforms remain secure, resilient, and compliant within a regulated environment. Key Responsibilities Act as technical lead for security engineering and platform architecture Serve as primary escalation point for complex and major incidents Provide technical leadership and mentoring to engineers and analysts Line manage and develop the security engineering and analyst teams Own platform maintenance, configuration, and lifecycle management Ensure security platforms are integrated across hybrid environments Oversee patching, upgrades, and platform performance Drive platform improvements and engineering enhancements Support detection engineering, tuning, and platform optimisation Lead automation and SOAR initiatives to improve efficiency Collaborate with SOC providers on SIEM governance and data ingestion Ensure platforms meet regulatory and compliance requirements Maintain engineering documentation, standards, and governance Represent engineering in client governance and audit activities Coordinate cross-team resolution of complex technical issues Experience & Knowledge Essential: Significant experience in security engineering and platform management Strong leadership experience managing technical teams Deep knowledge of Microsoft Defender and SIEM platforms (e.g. Sentinel) Experience in hybrid cloud and on-prem environments Strong understanding of security architecture and frameworks Experience in regulated environments (e.g. financial services) Strong stakeholder and client engagement skills Experience with automation and scripting (PowerShell, Python, etc.) Desirable: Experience with vulnerability and exposure management tools Knowledge of security frameworks (NIST, ISO 27001, CIS) Relevant security certifications (e.g. CISSP, AZ-500, SC-100)
About Us Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. At Claranet, we go the extra mile with our people because we believe in building a workplace where everyone feels valued and supported. Our flexible benefits package includes a matching pension scheme, healthcare, dental, insurance, discounted gym memberships, and app-supported access, all designed to meet your individual needs. What makes us unique is Team Claranet our internal community that supports causes close to our employees hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We re proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. The Role Claranet is seeking a Senior Database Administrator (DBA) to join our Data and AI practice. You will play a key role in supporting and optimising MSSQL, MySQL, and Postgres database platforms across key strategic customer environments. From troubleshooting and monitoring to performance tuning, security, and database migrations, you will ensure the storage, processing, and quality of customer data while delivering large-scale data migration and modernisation projects. Key Responsibilities Optimise database platforms (MSSQL, MySQL, Postgres). Automate support activities including backups and patching. Deliver cloud-based solutions and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using toolsets. Behavioural Competencies (Essential): Positive, collaborative, and customer-focused mindset. Eagerness to learn new technologies and mentor others. NPPV3, UK CRB/DBS clearance (or ability to obtain). Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support with any reasonable adjustments that are needed within the recruitment process.
Oct 03, 2025
Full time
About Us Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. At Claranet, we go the extra mile with our people because we believe in building a workplace where everyone feels valued and supported. Our flexible benefits package includes a matching pension scheme, healthcare, dental, insurance, discounted gym memberships, and app-supported access, all designed to meet your individual needs. What makes us unique is Team Claranet our internal community that supports causes close to our employees hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We re proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. The Role Claranet is seeking a Senior Database Administrator (DBA) to join our Data and AI practice. You will play a key role in supporting and optimising MSSQL, MySQL, and Postgres database platforms across key strategic customer environments. From troubleshooting and monitoring to performance tuning, security, and database migrations, you will ensure the storage, processing, and quality of customer data while delivering large-scale data migration and modernisation projects. Key Responsibilities Optimise database platforms (MSSQL, MySQL, Postgres). Automate support activities including backups and patching. Deliver cloud-based solutions and large-scale modernisation projects. Engage in technical conversations with customers and deliver workshops. Technical Competencies (Essential): Proven experience with MSSQL, MySQL, and Postgres database solutions. Strong knowledge of High Availability and Always On Availability Groups. Comprehensive understanding of indexing and optimisation techniques for database performance tuning. Experience in automating, monitoring, and managing databases and deployments using toolsets. Behavioural Competencies (Essential): Positive, collaborative, and customer-focused mindset. Eagerness to learn new technologies and mentor others. NPPV3, UK CRB/DBS clearance (or ability to obtain). Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support with any reasonable adjustments that are needed within the recruitment process.
