Senior Linux Systems Administrator
6 hours ago
Location: Cambridge
Salary: 65-75K
Employment Type: Full time
About the Role
We are seeking an experienced Linux Systems Administrator with a strong networking background to join our technical team. The ideal candidate will have in-depth experience managing Ubuntu and Debian-based Linux systems, along with a solid understanding of IPv4 and IPv6 networking in production environments.
You will be responsible for maintaining reliable, secure, and scalable Linux infrastructure while working closely with network and cloud teams to support business-critical services.
Key Responsibilities
Administer, maintain, and troubleshoot Ubuntu and Debian Linux systems
Configure and manage network services using IPv4 and IPv6
Diagnose and resolve system and network performance issues
Implement and maintain security best practices (firewalls, access controls, patching)
Monitor system health, availability, and capacity
Automate routine tasks using scripting (e.g. Bash, Python)
Document system configurations, procedures, and changes
Collaborate with internal teams to support infrastructure projects and upgradesRequired Skills & Experience
Proven experience as a Linux Systems Administrator
Strong hands-on experience with Ubuntu and Debian
Solid understanding of TCP/IP networking, including IPv4 and IPv6
Experience with DNS, DHCP, routing, and firewall configuration
Strong troubleshooting skills across system and network layers
Familiarity with monitoring and logging tools
Ability to work independently and as part of a teamDesirable Skills
Experience with virtualization or container technologies (e.g. KVM, Docker)
Knowledge of configuration management tools (Ansible, Puppet, or similar)
Exposure to cloud platforms (AWS, Azure, GCP)
Basic Scripting
Familiarity with Cisco Meraki and Catalyst networking equipment
Understanding of high-availability and disaster recovery concepts
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