Sr Linux Administrator

Relativity Space•Long Beach, CA

8d•$103,000 - $155,000

About The Position

The Sr Linux Administrator will serve as the primary escalation point for Linux issues across engineering, handling initial triage of incoming requests and troubleshooting a mixed Linux fleet. The role provisions and maintains Linux laptops, workstations, rack-mounted servers, and lab systems; manages access and authentication operations; and performs recurring fleet maintenance, including patching, health checks, backup verification, and capacity management. The administrator also maintains the configuration management codebase through small, reviewed changes, allowing senior engineering staff to focus on architecture. The role is part of Relativity Space’s IT team, which supports computing infrastructure and services across the company, from the production floor to flight operations. The team develops scalable solutions and processes while supporting the company’s growth.

Requirements

At least 5 years of hands-on Linux systems administration in production, with responsibility for fleet health.
Configuration management experience, including reading, modifying, and debugging automation in an infrastructure-as-code model with peer review.
Medium-to-advanced troubleshooting skills across services, networking, storage, authentication, and performance.
Experience integrating Linux with enterprise directory services, managing credentials and keys, and scripting.
Ability to serve as an escalation point for technical teams, triage ambiguous reports, and manage competing priorities without losing requests.

Nice To Haves

Automated bare-metal and VM provisioning at scale, including image and template management.
Precision time synchronization for test and measurement systems.
Kernel- and driver-level experience, such as module management, hardware troubleshooting, or performance tuning.
Experience with containerization, CI/CD, observability, or hardening to a published security baseline.
Experience in aerospace, manufacturing, or test operations environments.

Responsibilities

Act as the primary escalation point for Linux issues across engineering and own first triage of incoming requests.
Troubleshoot authentication and access, services, storage and filesystems, performance, and remote connectivity across a mixed fleet.
Provision Linux hosts end-to-end, including laptops, workstations, rack-mounted servers, and lab systems.
Manage access and authentication operations and recurring fleet maintenance, including patching, health checks, backup verification, and capacity management.
Maintain the configuration management codebase with small, reviewed changes.