Chameleon Integrated Services

Senior System Administrator — FMWorkFlow Infrastructure

Posted Yesterday

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Ellsworth Air Force Base, SD, USA

In-Office

Senior level

Information Technology

The Role

Provide senior-level sustainment and engineering for FMWorkFlow infrastructure: administer Windows/Linux systems, Active Directory, Nutanix virtualization; implement patches and security directives; perform diagnostics, capacity planning, backup/recovery, COOP, and dev/test environment sustainment; maintain baselines, documentation, and STIG compliance; support corrective maintenance and validate system performance and changes prior to production.

Summary Generated by Built In

We are a growing information technology company that offers its employees a culture of success, the chance to work on revolutionary federal IT infrastructure, and the opportunity to grow alongside cutting-edge technology that is reshaping the industry. We are seeking forward thinking candidates that have strong experience in operational support and can help take to the next level in a pro-active stance.

Chameleon Integrated Services has expertise in operations management, quality systems, data operations and cybersecurity. We secure some of the most sensitive data for the Department of Defense and for other U. S. federal government agencies. We are known for the great care we take with clients and employees, and we believe in promoting from within.

We offer a Full Benefits package including:

Competitive Employee Health Insurance options including dental
100% company paid vision plan
401K plan with generous company match and no vesting period
100% company paid Life insurance
100% company paid long and short-term disability insurance
Training allowance
PTO and more

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