Senior Linux Systems Administrator

• 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 upgrades

Technologies:

• AWS
• Ansible
• Azure
• Bash
• Cloud
• Cisco
• Debian
• Docker
• Firewall
• GCP
• Support
• KVM
• Linux
• Network
• Puppet
• Python
• Security
• TCP/IP
• Ubuntu

More:

We are a dynamic company based in Cambridge, offering a competitive salary range of 65-75K for a full-time position. Our technical team is dedicated to maintaining reliable, secure, and scalable Linux infrastructure. We provide opportunities for professional growth and collaboration across various internal teams to support critical business services.

• 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 team
• Experience with virtualization or container technologies (e.g. KVM, Docker) (desirable)
• Knowledge of configuration management tools (Ansible, Puppet, or similar) (desirable)
• Exposure to cloud platforms (AWS, Azure, GCP) (desirable)
• Basic scripting knowledge (desirable)
• Familiarity with Cisco Meraki and Catalyst networking equipment (desirable)
• Understanding of high-availability and disaster recovery concepts (desirable)