USAF - Sr. System Administrator
On-siteEllsworth, Maine, United States
Job Summary
Perform senior-level Windows and Linux systems administration for FMWF infrastructure, engineering Active Directory, service accounts, and enterprise virtualization in Nutanix environments. Monitor system health, analyze performance degradation, and implement sustainable corrective actions while managing configuration baselines and technical documentation. Engineer, test, and deploy enterprise patches, updates, and security directives, conducting vulnerability remediation and validating production readiness. Provide Level III technical escalation support using advanced diagnostics, log analysis, and root cause analysis to ensure mission-critical availability. Coordinate technical activities with database, middleware, cybersecurity, and Government stakeholders to maintain RMF compliance and continuous monitoring standards.
Required Qualifications
- Active TS/SCI SSBI clearance
- B.S. Computer Science, Information Technology, or a related field
- 10+ years of Systems Administrator experience
- Advanced experience administering and engineering enterprise Windows and Linux systems in a high-availability, mission-critical environment
- Demonstrated experience with Active Directory engineering, service-account configuration, identity and access dependencies, and privileged administrative operations
- Experience with enterprise virtualization, infrastructure capacity planning, performance analysis, system monitoring, and root cause engineering
- Hands-on experience with configuration management, system baselines, change control, patch engineering, vulnerability remediation, and deployment validation
- Experience validating patches, updates, system modifications, and enhancements in controlled development/test environments before production release
- Experience with backup, recovery, resilience, COOP, disaster recovery, and emergency corrective maintenance for mission-essential systems
- Ability to provide senior/Level III support involving advanced diagnostics, log analysis, debugging, fault isolation, and sustainable corrective action
- Working knowledge of RMF, Assessment and Authorization, security control implementation, continuous monitoring, and DoD/Air Force cybersecurity compliance
- Ability to work primarily at Ellsworth AFB during the PWS duty-hour window and support rare work at Wright-Patterson AFB or a contractor facility when required
- Active DoD 8570 IAT Level II & DoD 8140 System Administrator 451-Intermediate certifications
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