Mission-Critical Systems Administrator (Windows/Linux)

Chickasaw Nation Industries; South Dakota; On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) Immediate Vesting

Professional Development Assistance

Legal Aid Assistance Program

Family Planning / Fertility Assistance

Paid Time Off

Observance of Federal Holidays

Job summary

Chickasaw Nation Industries seeks a mid‑level Systems Administrator to sustain mission critical FM systems. The role covers Windows and Linux administration, patch validation, and directory services support, under senior technical direction.

It requires DoD 8410/GMON–style certification readiness and strong documentation practices. Ideal candidates hold a BA/BS and at least five years of related IT experience in regulated environments.

Qualifications

• Bachelor's degree and five (5) years of related IT or cybersecurity systems support experience.

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

Patch management

Troubleshooting

Configuration management

Account management

Documentation

Education

Bachelor's degree

Tools

Nutanix

Job description

Chickasaw Nation Industries seeks a mid‑level Systems Administrator to sustain mission critical FM systems. The role covers Windows and Linux administration, patch validation, and directory services support, under senior technical direction.

It requires DoD 8410/GMON–style certification readiness and strong documentation practices. Ideal candidates hold a BA/BS and at least five years of related IT experience in regulated environments.