Linux System Administrator job opportunity at SciTec.

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Date2026-01-22T18:01:43.858Z bot
SciTec Linux System Administrator
Experience: 3-years
Pattern: full-time
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loacation Boulder, United States Of America
loacation Boulder....United States Of America

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered. SciTec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a small business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. We are seeking a skilled Linux System Administrator to support the installation, configuration, security, and ongoing operation of Linux- and Windows-based systems in a secure, mission-focused environment. The ideal candidate is hands-on, detail-oriented, and comfortable working across infrastructure, security, and operations teams. Responsibilities Install, configure, and maintain Red Hat Enterprise Linux (RHEL) and Windows workstations and servers in accordance with defined baselines Implement and maintain system security, hardening, integrity monitoring, backups, and auditing Perform patch and package management, including installation and maintenance of third-party software Monitor system performance, availability, and health; troubleshoot and resolve hardware and software issues Support and maintain virtualized environments (e.g., VMware) Install, configure, and troubleshoot servers, switches, and storage systems Configure and support networking in mixed Linux and Windows environments Apply DISA STIGs and support compliance activities using tools such as SCAP Document system configurations, procedures, and changes in accordance with policies and requirements Collaborate effectively with team members, security personnel, and end users Provide technical support and respond to operational issues through resolution Participate in continuous improvement, automation, and modernization efforts Perform other duties as assigned 3+ years of professional experience administering Red Hat Enterprise Linux (RHEL) and Microsoft systems Experience in: Installation and configuration of servers and workstations System security, hardening, auditing, and backup strategies Patch and package management Virtualization technologies Hardware and software troubleshooting Networking in heterogeneous (Linux/Windows) environments Strong oral and written communication skills Detail oriented Proven ability to work collaboratively in a team environment Self-motivated, detail-oriented, and able to own issues through resolution Ability to obtain and maintain a Secret security clearance Candidates who have any of the following skills will be preferred: Bachelor’s degree in Information Technology, Network Engineering, Computer Engineering, or a related technical field Experience with: Dell servers, switches, and SAN solutions VMware vSphere and vCenter DISA SCAP Compliance Checker and DISA STIG implementation RHEL 7/8/9 Amazon Web Services (AWS) NAS and/or SAN configuration and maintenance Automation and scripting (Bash, Python, Perl, PowerShell) Configuration management tools (Ansible or similar) Git/GitLab and CI/CD pipelines Containers and orchestration (Docker, Kubernetes) Database maintenance or basic web application support Relevant certifications such as: Security+ RHCSA / RHCE Microsoft certifications *Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.  Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information 

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