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 02896935520 or s.kennedy@mcsgroup.jobs.

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.