Senior System Administrator L3We are currently seeking an experienced Senior System Administrator to support a mission-focused environment supporting critical government operations. This position requires a strong Linux systems administration background, experience with virtualization and automation technologies, and the ability to operate in secure enterprise environments.Required ExperienceFifteen (15) years of experience as a System Administrator (SA)Bachelor's degree in a technical discipline from an accredited college or university required Five (5) additional years of SA experience may be substituted in lieu of a degreeRequired CertificationsActive Information Assurance Technical (IAT) Level II certification in accordance with DoD -M requirements, or the ability to obtain within six (6) months of start dateRequired Technical SkillsLinux system administrationContainerization technologiesStorage managementKVM virtualizationAutomation and configuration management tools such as Ansible and/or SALTFreeIPA administration and supportScripting experience using Bash, Perl, Python, or similar languagesSSP compliance and documentation supportSTE/STN support experienceCloud technologies and AWS experienceClearance RequirementActive security clearance requiredResponsibilitiesAdminister, maintain, and troubleshoot Linux-based enterprise environmentsSupport virtualization, storage, and container platformsDevelop and maintain automation solutions for system deployment and configuration managementSupport secure system operations in compliance with government security requirementsAssist with SSP documentation and compliance initiativesProvide operational support for mission systems and secure communications infrastructureCollaborate with engineering and cybersecurity teams to maintain system availability and performancePreferred QualificationsExperience supporting classified or mission-critical government environmentsStrong troubleshooting and analytical skillsAbility to work independently in fast-paced operational settings