Systems Administrator, Lead (Linux/Windows) with Security Clearance

AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA. This role focuses on owning and optimizing enterprise Linux && Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier III support for systems that cannot fail. Role includes a $5,000 sign-on bonus in addition to a generous compensation package! Responsibilities As a Lead Systems Administrator, you will: * Support on-premises Linux (60%) and Windows (40%) infrastructure and applications. * Support on-premises vSphere infrastructure across multiple datacenters. * Provide Tier III support for production and development environments, managing ticket submission and tracking. * Monitor resource availability to meet customer requirements, ensuring sufficient hardware, software, and throughput. * Review and optimize system performance to ensure peak efficiency and reliability for mission-critical applications * Analyze system resource usage and apply corrective actions when necessary * Review system and application logs, ensuring completion of scheduled tasks and backups * Create and manage user accounts, groups, and permissions; maintain local repositories in a Linux-based environment * Support on-prem and remote Linux-based Oracle database appliances * Develop and maintain administrative bash scripts for system maintenance and automation * Proficient in DNS administration * Document and implement system administration solutions to meet business requirements #hotjobs Qualifications * Active TOP SECRET clearance with SCI eligibility required; Program Access Request (PAR) submission required after hire * Bachelor's degree in a STEM discipline ( or additional years of relevant experience considered in lieu of degree ) * 8-10 years of IT Systems Administration that includes 3-5 years of Linux administration * DoD 8140 IAT Level II cert (e.g., Security+ CE or equivalent) * Experience designing and maintaining secure, scalable cloud/on-prem platforms (IL5-IL6+) * Knowledge of STIGs, RMF, and DoD cybersecurity standards * Knowledge of containerization (Docker/Podman), Ansible for automation, and OpenLDAP * Experience with virtualization (VMware) * Strong CLI and Bash scripting experience NOTE: U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance AMS1 Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $150,000.00/Yr. - USD $175,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance. EEO Statement EEO Race/Sex/Disability Status/Veteran Status