> Markdown version of [/jobs/ext/25739-it-systems-engineer-linux](https://www.wearedevelopers.com/jobs/ext/25739-it-systems-engineer-linux). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Systems Engineer - Linux - **Company:** CoreTech Security - **Location:** Cheltenham, UK - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Microsoft Azure, Ubuntu (Operating System), Cyber Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Red Hat Enterprise Linux, SC Clearance, Information Technology - **Published:** May 24, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=aef969e31b4a60d8 ## About the Role Do you have experience in Ubuntu?, * Experience working on Linux platforms within a commercial environment, we're not particularly fussed on flavour but most of our machines run on Ubuntu or RedHat. * Fundamental knowledge of networking. * Excellent communication and time management skills. * End user device troubleshooting skills. * Administration of AWS/Azure platforms. * Experience of Windows products such as Windows 11, Server, Active Directory, DNS, DHCP would be beneficial. * Must be eligible and willing to undergo SC clearance This role may suit someone that has worked for a small organisation to provide technical support and is looking to get more involved with Infrastructure projects to continue to build on a foundation of technical knowledge. ## Description CoreTech is a specialist cyber security company, proud of our world-class technical capability. We use our knowledge to solve our clients' hardest problems to help make UK cyberspace safer. We're on the lookout for an IT Systems Engineer with a specialisation in Linux to join our small, friendly, and hands-on team. You'll be the first point of call for technical queries, helping us maintain high standards while improving how we support the wider business. We're a small IT-focused team that wears many hats, so while we all have our defined roles, there can be the need to get involved with other actions on a day-to-day basis. You will be a need to be adaptable and organised as priorities change. This role will provide you with the opportunity to work with a highly technical company and grow your career into an Infrastructure Engineer, with the opportunity to get involved in long term projects. What you'll do: * Provide First and Second level technical support on incidents and problems. * Create, Maintain and Utilise technical documentation. * Initial point of contact and triage for incidents and problems. * Keep up with daily checks on critical systems such as backups, update services and alerts * Handle all new device builds such as laptops, desktops, and mobile devices. Also get hands on with builds of Infrastructure with team members. * Involvement with documentation and procedures for IT Certification, such as ISO27001 & Cyber Essentials., * We offer financial support to cover HMRC allowable costs of relocating if you're moving to the area. * Training and development opportunities to support your career aspirations. * O'Reilly books subscription which provides access to huge range of technical books. * Regular events including internal technical conferences, company socials and pizza-fuelled lunchtime seminars. * Free seasonal fruit, tea, coffee, milk, squash and hot chocolate., * Private online GP, and a helpline to speak with various healthcare professionals. * Physiotherapists, osteopaths or chiropractors for muscle, bone, and joint pain. * Mental health - counselling, and specialist consultations and treatment with psychologists and cognitive behavioral therapists. * Annual Health assessment. Salary We reward staff based on technical excellence and not years of experience, during your first stage interview your interviewer will talk about the competencies and how you map across and the kind of salary you could expect. The technical interview will provide a deeper assessment of your skills against your mapped grade which ultimately determines whether you receive an offer and the exact salary. Location We are based in the centre of Cheltenham in a stunning newbuild contemporary office 5min walk from the local shops and cafes. This role is an onsite role in order to best provide support to colleagues. Additional Details Our interview process is quick and to the point: if you look like a good fit for the role, we'll schedule a call to discuss it in more detail and answer any questions you may have. If that goes well, we'll invite you to our office for a more in-depth competency-based interview. Please note, due to sensitivity of the role, successful applicants must be British Citizens and willing to undergo background checks to obtain a security clearance. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)