Sr Linux Administrator (Contract)

Sierra Space•Louisville, CO

About The Position

The Linux Administrator will be responsible for the installation, configuration, maintenance, and troubleshooting of Linux servers and systems. This role requires a deep understanding of Linux operating systems, scripting, and network protocols to ensure the stability, integrity, and efficient operation of the information systems that support core organizational functions. Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission. We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Requirements

Bachelor’s degree in Computer Science , Information Technology, or a related field.
10 plus years p roven experience as a Linux Administrator or similar role.
In-depth knowledge of Linux operating systems (e.g., Red Hat, CentOS, Ubuntu).
Proficiency in scripting languages (e.g., Bash, Python).
Familiarity with network protocols and services (e.g., TCP/IP, DNS, DHCP).
Experience with virtualization technologies (e.g., VMware).
Strong problem-solving skills and attention to detail.
Excellent communication and teamwork abilities.
Relevant certifications (e.g., RHCSA, RHCE) are a plus.

Nice To Haves

Experience with cloud platforms , AWS and Azure.
Knowledge of configuration management tool , Puppet .
Experience with setting up build-machines and software development support
Experience with Red Hat Satellite Server.
Experience with Red Hat IdM .
Experience with Artifactory and repos such as Python and Conda
Understanding of containerization technologies (e.g., Docker, Kubernetes , Singularity ).
Familiarity with database management (e.g., MySQL, PostgreSQL).
Experience with infrastructure as code ( IaC ) tools like Terraform, Ansible, or CloudFormation.
Experience with version control systems (e.g., Git, SVN).
Familiarity with database management systems (SQL, MySQL, PostgreSQL).
K nowledge of storage technologies (SAN, NAS, DAS).
Familiarity with cloud storage solutions like AWS S3, Azure Blob Storage.
Experience working in aerospace industry and Mission Control

Responsibilities

Install, configure, and maintain Linux operating systems and servers and related hardware .
Monitor system performance and ensure reliability and availability.
Perform regular system updates, patches, and security configurations.
Manage user accounts, permissions, and access controls.
Automate routine tasks using shell scripts and other scripting languages.
Troubleshoot and resolve hardware, software, and network issues.
Implement and maintain backup and recovery strategies.
Ensure compliance with security policies and procedures.
Collaborate with other IT team members to support infrastructure projects.
Work closely with the Application team and Development team to provide any required hardware support
Build prototype systems for demo and testing
Provide platform infrastructure support
Provide general business application support
Maintain detailed inventory of Business Area automation
Maintain documentation of network server configurations, application licensing agreements, and other third party software installed
Document system configurations, procedures, and changes.
Perform on call after hours support as part of the rotation