Senior System Administrator - FMWorkFlow Infrastructure

Chameleon Integrated Services

$88K — $105K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in Windows/Linux administration
  • Proficient in Active Directory and service account management
  • Strong background in Nutanix virtualization engineering
  • Experience with patching and maintaining configuration baselines
  • Skilled in backup, recovery, and COOP practices
  • Familiarity with development/test environment sustainment
  • Ability to perform advanced diagnostics and root-cause analysis

Responsibilities

  • Perform infrastructure performance analysis and capacity planning
  • Administer Windows and Linux system environments
  • Engineer and sustain Nutanix virtualization infrastructure
  • Implement and validate patches and security directives
  • Conduct advanced diagnostics and log analysis
  • Support backup, recovery, and mission continuity operations
  • Produce or update system-related documentation

Benefits

  • Opportunity for professional development and growth
  • Engagement in a mission-critical environment
  • Work with advanced technologies like Nutanix
  • Participation in both routine and emergency maintenance activities
  • Dynamic work schedule with flexible coverage options
Full Job Description
SENIOR SYSTEM ADMINISTRATOR - FM WorkFlow Infrastructure

Position mission: Provide senior-level infrastructure and systems sustainment for FMWorkFlow, its Windows/Linux environment, Active Directory, Nutanix virtualization, development/test infrastructure, and associated enterprise services. The labor category may support more than one functional assignment. Identify whether each candidate is strongest in FMWF infrastructure/Nutanix or CyberArk PAM sustainment. Do not require every candidate to possess expert-level experience in both areas.

Core duties:
  • Perform infrastructure performance analysis, root-cause analysis, and capacity planning.
  • Administer Windows and Linux systems.
  • Configure and maintain service accounts and Active Directory components.
  • Engineer and sustain Nutanix virtualization infrastructure.
  • Implement and validate patches and security directives, including IAVAs, TCNOs, and NOTAMs.
  • Maintain infrastructure configuration baselines.
  • Conduct advanced diagnostics and log analysis.
  • Support routine and emergency corrective maintenance.
  • Validate system performance following corrective actions and configuration changes.
  • Support backup, recovery, resilience, and COOP activities.
  • Maintain controlled development and test infrastructure.
  • Validate patches, updates, and system changes before production release.
  • Support commercial test/development internet operation, troubleshooting, static-IP configuration, and applicable STIG compliance when assigned.
  • Produce or update system configuration, change, test, recovery, and operating documentation.

Requirements:
  • Windows/Linux administration
  • Active Directory and service accounts
  • Nutanix virtualization
  • Patching and configuration baselines
  • Backup/recovery, COOP, performance analysis
  • Development/test environment sustainment

Requirements:
  • Personally administered Windows and Linux production systems.
  • Active Directory and service-account administration.
  • Nutanix administration or engineering for the infrastructure assignment.
  • CyberArk administration for the PAM assignment.
  • Patch testing and production deployment under formal change control.
  • Use of logs, performance data, and technical diagnostics to isolate root causes.
  • Backup, restoration, recovery, or COOP support.
  • Work in a controlled development/test environment that mirrors or supports production.
  • Experience maintaining mission-critical systems with availability and configuration-integrity requirements.


Anticipated start: September 28, 2026

Primary work location: Ellsworth AFB, South Dakota. Occasional work at Wright-Patterson AFB, Ohio.

Work schedule: An eight-hour shift scheduled between 6:00 a.m. and 6:00 p.m. Mountain Time, Monday through Friday. The team must collectively provide overlapping coverage during that window. COOP support may be required, but work will remain within a 40-hour workweek unless the Contracting Officer authorizes otherwise.

Project Length: Up to 4.5 years

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