Hiring: Linux Systems Administrator – Dream Chaser Mission Systems (Systems Engineer III) Company: Sierra Space Location: Louisville, CO Job Posted Time: 2026-09-03 11:00:46 Employment Type: Contract / On-site Target Skills & Keywords : Ansible, Bash, CentOS, Configuration Management, Confluence, Defense Industry, Docker, Jira, Linux, Puppet, Python, RHEL, Requirements Management, Security Clearance, Systems Design, Systems Engineering About the job Experience: •Security hardening experience (DISA STIGs, CIS Benchmarks) •Configuration management/automation tools (Ansible, Puppet, or similar) •Real-time operations, spacecraft ground systems, or control center operations experience •Knowledge of ground-to-space communication systems and control center development •Proficiency in Jira and Confluence Required Skills: •Sierra Space is seeking a Linux Systems Administrator to support mission-critical IT systems, networks, and infrastructure in a space flight mission critical environment. This role focuses on Linux administration of real-time spacecraft ground systems and applications as well as certifying as a Ground Control (GC) flight controller. •Administer, configure, and maintain Linux-based servers and workstations (RHEL/CentOS) •Patch, harden (STIG compliance), tune performance, and troubleshoot Linux systems •Manage virtualized Linux environments (VMware) and containerized applications (Docker) •Write and maintain Bash/Python scripts for automation, monitoring, and administration •Provide end-to-end support of mission-critical IT systems, infrastructure, and networks •Configure and support networking components (Cisco switches, Palo Alto firewalls) •Administer command and telemetry software (InControl & Amergint | ARKA) Qualifications: •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. •BS in Computer Science, Systems Engineering, or related discipline + typically 5 or more years of relevant experience (relevant experience may count toward degree; relevant advanced degree may count toward experience) •Proficient with Linux and Windows operating systems (Linux depth required) •Practical knowledge of engineering principles and practices •Knowledge of requirements management, functional requirements parsing/derivation/allocation, systems design/integration, technical risk identification and management, and V&V principles •This role requires you to work on-site at our Louisville, CO location •Demonstrated capacity to obtain/maintain Secret or higher U.S. Security Clearance may be required •Must pass NASA background check and maintain NASA clearance •Linux certification (RHCSA, RHCE, LFCS, or equivalent) •INCOSE certification or equivalent experience Compensation: •$119,064 - $163,713 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!