USAF - Sr. System Administrator

Ellsworth, SD
Full Time
USAF - Financial Cyber
Experienced
cFocus Software seeks a Sr. System Administrator to join our program supporting the United States Air Force. This position is onsite with the onsite location being in Ellsworth, South Dakota. This position requires a TS/SCI SSBI clearance.
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; Nutanix experience is strongly aligned to the PWS.
  • 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 collaborate across infrastructure, database, middleware, application, cybersecurity, and program-management teams and communicate technical findings to Government stakeholders.
  • 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 required

Duties:
  • Perform senior-level Windows and Linux systems administration for FMWF infrastructure and associated mission environments.
  • Engineer, configure, administer, and troubleshoot Active Directory, service accounts, authentication dependencies, permissions, and related enterprise services.
  • Perform infrastructure performance analysis, capacity planning, root cause engineering, and enterprise virtualization engineering in Nutanix environments.
  • Monitor system health and availability; analyze performance degradation and implement sustainable corrective engineering actions.
  • Manage configuration baselines and technical baseline control for infrastructure components, development assets, system settings, and administrative documentation.
  • Engineer, test, validate, and deploy enterprise patches, updates, and security directives, including IAVAs, TCNOs, and NOTAMs, within prescribed timelines.
  • Conduct vulnerability remediation and validate that corrective actions do not compromise availability, functionality, security controls, or configuration integrity.
  • Analyze proposed system modifications, implement approved technical changes, and validate post-deployment performance and production readiness.
  • Maintain controlled engineering, development, and test environments, including configuration management, patch validation, and test data support.
  • Provide data-protection, backup, restoration, recovery, and resilience support; help ensure secure backup and appropriate off-site storage of development data.
  • Support continuity-of-operations (COOP), disaster recovery, routine sustainment, emergency maintenance, and recovery activities requested by the PMO.
  • Provide Level III technical escalation support using advanced diagnostics, log analysis, debugging, fault isolation, and root cause analysis.
  • Coordinate technical activities with database administrators, DB2 engineers, WebSphere/middleware personnel, cybersecurity staff, developers, CyberArk administrators, and Government stakeholders.
  • Support cross-stack integration among infrastructure, DB2 databases, WebSphere middleware, Active Directory, virtualization, and security tooling.
  • Implement and sustain applicable security controls and provide technical evidence supporting RMF, Assessment and Authorization, continuous monitoring, and compliance activities.
  • Maintain accurate, version-controlled system documentation, engineering records, configuration data, test results, incident records, procedures, and status reports.
  • Comply with Government change management, technical review, readiness review, quality control, QASP, installation security, and access-control requirements.
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