Senior Systems Administrator, FMWF Infrastructure Lead

P3S CORPORATION; Box Elder (SD); On-site; USD 72,000 - 110,000; Full time

Job summary

P3S Corporation is seeking a Senior Systems Administrator in South Dakota to provide senior technical leadership for the FMWorkFlow infrastructure. You will oversee Windows/Linux administration, Active Directory, Nutanix virtualization, patch engineering, and cross-domain coordination with DB2, IBM WebSphere, and cybersecurity teams.

This role requires RMF/STIG compliance, vulnerability remediation, and COOP readiness, with escalation support and documentation of system architectures.

Qualifications

• Advanced Windows Server and Linux enterprise administration.
• Active Directory engineering and secure account management.
• Nutanix virtualization engineering and capacity optimization.
• Performance analysis, troubleshooting, and root-cause engineering.
• Patch engineering and vulnerability remediation; IAVAs/TCNOs/NOTAMs.
• RMF, DISA STIGs, Air Force cybersecurity compliance.

Responsibilities

• Lead Windows and Linux administration for FMWF infrastructure.
• Oversee Active Directory service accounts and access controls.
• Manage enterprise virtualization with Nutanix and capacity planning.
• Perform performance analysis and implement corrective actions.
• Coordinate patch engineering for security directives within timelines.
• Provide Level III escalation support and complex diagnostics.
• Maintain test/dev environments, backups, and data integrity.
• Ensure cross-domain integration with DB2, WebSphere, and cybersecurity teams.
• Document architecture, configurations, and SOPs; ensure 508-compliant deliverables.

Skills

Windows/Linux admin

Active Directory

Nutanix virtualization

Patch engineering

Performance analysis

RMF/STIG/compliance

Automation scripting

Tools

Nutanix

DB2

IBM WebSphere

Job description

P3S Corporation is seeking a Senior Systems Administrator in South Dakota to provide senior technical leadership for the FMWorkFlow infrastructure. You will oversee Windows/Linux administration, Active Directory, Nutanix virtualization, patch engineering, and cross-domain coordination with DB2, IBM WebSphere, and cybersecurity teams.

This role requires RMF/STIG compliance, vulnerability remediation, and COOP readiness, with escalation support and documentation of system architectures.