Senior System Administrator — FMWorkFlow Infrastructure

chameleonintegratedservices; South Dakota; On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health insurance

Vision plan (100% paid)

401K with company match

Life insurance (100% paid)

Disability insurance (100% paid)

Training allowance

PTO

Job summary

Chameleon Integrated Services seeks a Senior System Administrator to sustain FMWorkFlow infrastructure across Windows/Linux, AD, and Nutanix, with a focus on patches, baselines, backups, and COOP readiness.

Role supports development/test environments and DoD security requirements. Primary work location is Ellsworth AFB, SD, with occasional duties at Wright-Patterson AFB, OH. Anticipated start in late September 2026; 8-hour shifts M-F within MT window.

Qualifications

• Experience administering Windows and Linux environments.
• Experience with Active Directory and service accounts.
• Expertise in Nutanix virtualization.
• Experience building patching and configuration baselines.
• Experience with backup/recovery, COOP, and performance analysis.
• Sustainment of development/test environments.

Responsibilities

• Perform infrastructure performance analysis and capacity planning.
• Administer Windows and Linux systems.
• Configure and maintain service accounts and AD components.
• Engineer and sustain Nutanix virtualization.
• Apply patches and security directives; manage system baselines.
• Maintain config baselines and documentation.
• Support backup, recovery, COOP and production readiness.
• Prepare system changes for production release.
• Support test/dev infra and STIG compliance when assigned.
• Produce/update system documentation.

Skills

Windows/Linux administration

Active Directory

Patching and configuration baselines

Backup/recovery

COOP

Development/test environment sustainm

Tools

Nutanix virtualization

Job description

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

MANDATORY SECURITY COMPLIANCE (DoD 8570 / DoD 8140)

• To be eligible for technical review and corporate submittal to the Air Force Contracting Officer, candidates MUST meet the requirements of OPTION A below. Applications failing to demonstrate at least one pathway will be automatically archived.
• OPTION A (8570): Candidate must hold ONE active, verifiable commercial certification from the approved DoD 8570/8140 IAT Level II list below. Please include your certification number and expiration date directly on your resume draft.
• CCNA Security – Cisco Certified Network Associate Security
• CySA+ CE – CompTIA Cybersecurity Analyst
• GICSP – Global Industrial Cyber Security Professional
• GSEC – GIAC Security Essentials Certification
• Security+ CE – CompTIA Security+
• SSCP – Systems Security Certified Practitioner

• SSCP – Systems Security Certified Practitioner

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

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status

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