> Markdown version of [/jobs/ext/2953451-linux-systems-administrator-dream-chaser-mission-systems-systems-engineer-iii](https://www.wearedevelopers.com/jobs/ext/2953451-linux-systems-administrator-dream-chaser-mission-systems-systems-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Systems Administrator - Dream Chaser Mission Systems (Systems Engineer Iii - **Company:** Sierra Space - **Location:** Louisville, KY, United States - **Salary:** $119,064.0 - $163,713.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Systems Engineering, Confluence, JIRA, Bash Shell, CentOS, Configuration Management, Information Systems, Computer Networks, Linux, Python (Programming Language), Linux System Administration, Network Configuration and Change Management, Network Administration, Performance Tuning, Red Hat Enterprise Linux, Ansible, Requirements Management, Service Pack, Software Configuration Management, Systems Integration, Virtualization Technology, Scripting, Enterprise Software Applications, Firewalls (Computer Science), Containerization, Information Technology, Network Support, Data Management, CIS Benchmarks, Puppet, Cisco Switches, Network Server, Docker, Vmware - **Published:** September 17, 2026 - **Apply:** https://www.careerbuilder.com/job-details/linux-systems-administrator-dream-chaser-mission-systems-systems-engineer-iii-louisville-co--b2d021f3-920d-4698-bd25-d60e4e4f9876 ## About the Role * 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) * Experience with VMware, Docker, Python, RF, Cisco switches, and Palo Alto firewalls * Experience with command and telemetry software (InControl & Amergint | ARKA) * Proficient with Linux and Windows operating systems (Linux depth required) * Experience in IT system & network administration, data management, software configuration, and real-time mission support * Practical knowledge of engineering principles and practices * Experience working in multi-disciplinary design and development teams * 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 * Ability to obtain/maintain Secret or higher U.S. Security Clearance may be required * Must pass NASA background check and maintain NASA clearance Preferred Qualifications: * Linux certification (RHCSA, RHCE, LFCS, or equivalent) * Python Scripting 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 * Experience managing enterprise IT applications, systems, and networking at scale * Knowledge of ground-to-space communication systems and control center development * Proficiency in Jira and Confluence * INCOSE certification or equivalent experience * Background in Aerospace and Defense industry * Experience with baseline definition/maturation in complex development settings, including trade studies * Exposure to establishing and tracking Technical Performance Measurements (TPMs), Aerospace and Defense, Ansible, Atlassian JIRA, Automation, Bash Scripting, Benchmarking, CentOS, Cisco Switches, Collocation, Communication Systems, Computer Science, Configuration Management, Data Management, Defense Information Systems Agency (DISA), Docker, Documentation, Enterprise Applications, Firewalls, Help Desk, Identify Issues, Information Technology & Information Systems, Linux Administration, Linux Operating System, Management of Information Systems/Technology (MIS), Microsoft Windows Operating System, Network Administration/Management, Network Configuration Management, Network Support, Operations Processes, Performance Analysis, Performance Metrics, Performance Tuning/Optimization, Puppet (Configuration Management), Python Programming/Scripting Language, Radio Frequency, Red Hat Linux Operating System, Requirements Derivation, Requirements Management, Risk Analysis, Risk Management, Scripting (Scripting Languages), Security Clearance, Software Configuration Management, Software Patches, System Integration (SI), System Operations, Systems Engineering, Technical Delivery, Telemetry, Trade Studies, VMWare, Virtualization ## Description 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., Linux Systems Administration: * 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 Mission & Network Support: * 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) * Support real-time missions and pre-mission simulations * Provide Flight & Test Operations end-user support Documentation & Process: * Develop documentation for system design, operations, and training * Refine operational concepts and processes * Perform general systems engineering and integration tasks * Collaborate closely with NASA during all phases of mission preparation and planning ## Related Videos - [From Space to Software: Reliability Lessons 40 Years After Challenger](https://www.wearedevelopers.com/videos/100283-from-space-to-software-reliability-lessons-40-years-after-challenger) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [The Memory Leak That Ate Our Cluster: A Postmortem](https://www.wearedevelopers.com/videos/2057-the-memory-leak-that-ate-our-cluster-a-postmortem) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)