Senior Linux System Admin

Senior Linux System Administrator Location: Hybrid (50/50) | Employment Type: Full-Time MCS Group is seeking a Senior Linux System Administrator to join an infrastructure team supporting both on-premise and cloud environments. This role is ideal for a technically strong professional who can maintain, secure, and enhance Linux systems while driving improvements through automation and best practices. Key Responsibilities: Administer and optimise Debian-based Linux servers in production. Develop automation scripts (Bash, Python) to streamline tasks. Manage networking components (DNS, routing, firewalls, VPNs). Support database technologies including PostgreSQL, MySQL/MariaDB, and AWS RDS. Monitor system performance and respond to incidents. Implement security best practices and infrastructure hardening. Participate in on-call rotations and maintain technical documentation. Collaborate across teams to ensure resilient and efficient systems. Candidate Profile: Strong experience supporting Linux (Debian preferred) in production. Proficient in scripting (Bash, Python) and automation. Solid networking knowledge (TCP/IP, DNS, routing, firewalls). Experience managing databases and cloud-hosted services. Analytical problem-solving skills with excellent communication. Desirable Experience: AWS cloud environments (VPC, EC2, Route 53). Monitoring/observability tools (Prometheus). VoIP/SIP technologies. Infrastructure as Code, CI/CD, or configuration management. Supporting high-availability or large-scale infrastructures. Package & Benefits: Competitive salary 8% combined pension Professional development support Flexible hybrid working Access to modern infrastructure & cloud technologies Employee discounts on tech and equipment To speak in absolute confidence about this opportunity please send an up-to-date CV via the link provided or contact Senior Recruitment Consultant Stuart Kennedy at MCS Group on or . Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current jobs. Skills: System Admin Linux Admin Linux Administrator Linux Sys Admin Sys Admin Benefits: Work From Home Hybrid Pension Progression…