> Markdown version of [/jobs/ext/3996483-linux-system-engineer-level-3](https://www.wearedevelopers.com/jobs/ext/3996483-linux-system-engineer-level-3). 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 System Engineer, Level 3 - **Company:** Independent Software - **Location:** Annapolis Junction, MD, United States - **Contract:** Permanent contract - **Skills:** Active Directory, Software Applications, Systems Engineering, Bash Shell, CentOS, Configuration Management, Software Documentation, Linux, DevOps, Network Troubleshooting, Linux System Administration, Red Hat Enterprise Linux, Ansible, Data Streaming, System Testing, Virtualization Technology, YAML, Scripting, Kubernetes Helm Charts, Containerization, Information Technology, Docker - **Published:** October 28, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9161393/linux-system-engineer-level-3 ## About the Role * Strong Linux system administration experience, including installation, configuration, and management. * Experience with Red Hat, CentOS, or Rocky Linux. * Experience with FreeIPA and/or Active Directory authentication and authorization. * Experience installing and maintaining GOTS software. * Ability to create, read, and modify Bash and Python scripts. * Strong system testing, troubleshooting, and problem-solving skills. * Experience supporting systems engineering activities and technical documentation. Desired Skills: * Shared storage solutions and data flow technologies. * Virtualization and containerization technologies, including Docker and Kubernetes. * Configuration management and automation using Ansible or Salt. * Helm charts and YAML configuration files. * DevOps practices and environments., Candidates must meet one of the following: * High School Diploma, GED, or Associate's Degree: Eighteen (18) years of relevant Systems Engineering experience. * Bachelor's, Master's, or PhD: Fourteen (14) years of relevant Systems Engineering experience with a degree in Computer Science or a related technical field. Clearance Requirement: * Must possess an active TS SCI with appropriate Polygraph to be considered for this role ## Description You will work with a small, mission-focused team to administer Linux environments, support Government Off-the-Shelf (GOTS) software, troubleshoot system issues, and develop technical documentation and system drawings., * Support all phases of the systems engineering lifecycle, from concept through sustainment. * Install, configure, administer, and maintain Linux systems, including Red Hat, CentOS, and Rocky Linux. * Manage system authentication and authorization using FreeIPA and Active Directory. * Install, configure, maintain, and troubleshoot GOTS software applications. * Develop, modify, and maintain Bash and Python scripts. * Perform system testing, troubleshooting, integration, and operational support. * Create and maintain system documentation, diagrams, and engineering drawing packages. * Collaborate with engineering teams, users, and customers to resolve technical issues and support mission requirements.