Principal Systems Administrator (Linux & Windows) — Fort Huachuca, AZ

Principal Systems Administrator (Linux & Windows)Position Overview: Full-Time Location: Fort Huachuca, AZ Travel: None expected Clearance: Department of Defense (DoD) Secret security clearance. Work Authorization: U.S. Citizenship requiredSummary/Objective VxNY B8EjAW 2zWvbvRq PPQ8PgAqmds (5SRC) is seeking energetic candidates to join our established and growing Huntsville-headquartered team.Essential FunctionsEndpoint Lifecycle Management & MECM/SCCM AdministrationSystems Administration (Linux & Windows)Cybersecurity, Vulnerability Management & ComplianceRequired Qualifications: One of the following combinations of education and experience: Requires a Master's degree Bachelor's degree with at least 4 years of experience Associate's and at least 6 years of experience. One year of experience can be substituted by 15 semester hours completed towards a Master's degree. Additional certifications (other than those required for the position) in the area of specialization be substituted for experience but varies by certification. The degree must be in a relevant technical curriculum and experience must be related to the job duties. Minimum of 3–5+ years of hands-on systems administration experience across mixed Linux (RHEL) and Windows enterprise server/workstation environments. Minimum of 2+ years of dedicated, hands-on administration of Microsoft Endpoint Configuration Manager (MECM / SCCM) in an enterprise or lab environment. Active DoD 8570/8140 IAT Level II Baseline Certification (e.g., CompTIA Security+ CE, CCNA Security, CySA+, GICSP, GSEC, or SSCP). Relevant computing environment (CE) / vendor training or certification in Microsoft Windows Server/MECM or Red Hat Enterprise Linux (or ability to complete within 6 months of hire).Preferred Qualifications: Demonstrable proficiency configuring, operating, and troubleshooting MECM/SCCM (OSD, application packaging, software update deployments, collection management). Strong working knowledge of Linux administration, specifically Red Hat Enterprise Linux (RHEL), CLI troubleshooting, package management, daemon tuning, and SELinux enforcement. Solid experience with Windows Server (2019/2022) administration, Active Directory, GPO authoring/troubleshooting, and DNS. Experience with DoD vulnerability and compliance tooling: ACAS (Tenable/Nessus), SCAP Compliance Checker (SCC), and STIG Viewer (.ckl generation). Understanding of enterprise backup technologies, bare-metal server recovery, and hypervisor virtualization (Nutanix AHV, VMware). Excellent written communication skills for authoring Standard Operating Procedures (SOPs), weekly status reports, and technical troubleshooting documentation. Prior experience administering systems within DoD enterprise testing facilities, operational lab environments, or defense staging enclaves. Proficiency with PowerShell scripting and Linux Shell (Bash) scripting to automate routine administration, reporting, and deployment tasks. Hands-on experience managing and troubleshooting enterprise backup appliances (e.g., Cohesity) and application whitelisting tools (e.g., fapolicyd). Familiarity with Elastic Agent/Fleet management, LogRhythm, or enterprise SIEM architectures. Basic understanding of perimeter network components (firewalls, VPNs, F5 BIG-IP load balancers) and cloud hosting environments (AWS GovCloud).What We Offer: 401(k) Matching Company Events Dental Insurance Employee Recognition Programs Health Insurance Life Insurance Paid Time Off Parental Leave Performance Incentives Student Loan Repayment Tuition Reimbursement Vision Insurance