SC Cleared Senior Linux Engineer

We are seeking an experienced Senior Linux Engineer to join a specialist team responsible for delivering both Managed Service and Project-based activities. This is a senior technical role supporting a complex Linux estate across live production, development, and test environments.

The successful candidate will be responsible for the ongoing support, administration, and maintenance of SUSE and Red Hat Linux servers, covering both physical and virtual infrastructure. In addition to operational support, the role will involve significant involvement in migration and transformation projects, including some out-of-hours activities where required., * Provide support, administration, and maintenance for Linux server environments.

• Manage and support both SUSE Linux Enterprise Server (SLES) and Red Hat Enterprise Linux (RHEL)
• Deliver operational support across live, development, and test environments.
• Perform incident resolution, problem management, and root cause analysis.
• Implement, test, and deploy infrastructure changes in accordance with change management processes.
• Support infrastructure migration and transformation programmes.
• Develop, maintain, and enhance UNIX/Linux shell scripts to automate operational tasks.
• Work closely with project teams to deliver infrastructure improvements and technical solutions.
• Monitor system performance, availability, and security across the Linux estate.
• Produce and maintain technical documentation, procedures, and support guides.
• Participate in out-of-hours maintenance and project activities when required.

• Extensive hands-on experience administering Linux operating systems, particularly SUSE and Red Hat Enterprise Linux.
• Strong experience supporting enterprise-scale Linux server environments.
• Proven ability to develop and maintain high-quality UNIX shell scripts.
• Experience troubleshooting and supporting complex multi-platform UNIX/Linux infrastructures.
• Strong understanding of Linux server performance tuning, patching, and system maintenance.
• Experience working within managed service and operational support environments.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management abilities.

Technical Knowledge

Linux & UNIX

• SUSE Linux Enterprise Server (SLES)
• Red Hat Enterprise Linux (RHEL)
• Linux server administration
• UNIX shell scripting
• System troubleshooting and performance optimisation

Infrastructure & Networking

• Understanding of networking technologies and infrastructure components, including:

• TCP/IP
• DNS
• DHCP
• Routing and switching concepts
• Firewalls and network security principles

Cloud & Modern Infrastructure

• Understanding of cloud computing principles and architecture.
• Knowledge of infrastructure management and cloud-based service delivery models.
• Experience working within hybrid infrastructure environments.

Desirable Skills

• Experience supporting virtualised server environments.
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
• Experience delivering infrastructure migration or transformation projects.
• Knowledge of automation and configuration management tools.
• Experience working within highly regulated or enterprise-scale environments.
• ITIL awareness or experience working within ITIL-aligned service management processes.