Senior Systems Admin – Windows/Linux, Virtualization

Chickasaw Nation Industries, Inc.; Box Elder (SD); Remote; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) Immediate Vesting

Paid Time Off

Life Insurance

STD/LTD

Legal Aid Program

Fertility Assistance

Professional Development

Job summary

Chickasaw Nation Industries, Inc. seeks a Systems Administrator IV to deliver mid-level infrastructure and systems administration support for client systems, including Windows/Linux administration and virtualization operations.

You will maintain baselines, validate patches, manage accounts, and troubleshoot to sustain mission-critical FM systems. The role requires DoD 8140 WRC 722 intermediate-level certifications and the ability to access classified information at the Secret level.

Qualifications

• Bachelor's degree and a minimum of nine (9) years of relevant experience, or equivalent combination of education/experience.
• Required certifications at the DoD 8140 WRC 722 level and related security credentials.

Responsibilities

• Perform routine Windows and Linux systems administration, including system configuration, patch application, monitoring, and troubleshooting.
• Support virtualization environments (e.g., Nutanix) by assisting with VM provisioning, configuration, and performance checks.
• Maintain system configuration baselines, ensuring updates are properly documented and aligned with approved engineering changes.
• Implement and assist in validating patch engineering requirements associated with IAVA, TCNO, and NOTAM directives.
• Provide entry level diagnostic support, contribute to root cause investigations, and escalate complex issues to senior engineers.
• Assist in maintaining test and development environments, supporting patch testing, configuration control, and test data accuracy.
• Support service account management, directory services configuration, and routine system administration tasks.
• Maintain accurate system documentation, configuration records, and sustainment artifacts in accordance with PWS configuration management expectations.

Skills

Windows administration

Linux administration

Virtualization

Patch management

Account management

Troubleshooting

Education

Bachelor's degree

Tools

Nutanix

Job description

Chickasaw Nation Industries, Inc. seeks a Systems Administrator IV to deliver mid-level infrastructure and systems administration support for client systems, including Windows/Linux administration and virtualization operations.

You will maintain baselines, validate patches, manage accounts, and troubleshoot to sustain mission-critical FM systems. The role requires DoD 8140 WRC 722 intermediate-level certifications and the ability to access classified information at the Secret level.