IT Systems Engineer - Linux

Core Tech 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 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.

• End user device troubleshooting skills.

• 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 ISO
  27001 & Cyber Essentials.

• Experience working on Linux platforms within a commercial environment, most of our machines run on Ubuntu or Red Hat.
• 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.

• Promotions are based on technical excellence and reviewed regularly.
• 25 days holiday per year (with bank holidays on top), option to buy up to 5 days per year.
• Level up with an extra day of holiday per year, up to an extra 5 days, starting from 2 years' service.
• 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 a 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.

• A company bonus scheme so that everybody is rewarded for company success. This is an annual award that is based on the company hitting its targeted forecast.
• 8% company contribution to pension with no minimum requirement for employee contribution.
• Death in Service cover of 4× base salary.

• 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 behavioural therapists.
• Annual health assessment.

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.

We are based in the centre of Cheltenham in a stunning newbuild contemporary office 5 minutes walk from the local shops and cafes. This role is an onsite role in order to best provide support to colleagues.

Successful applicants must be British citizens and willing to undergo background checks to obtain a security clearance.