System Administrator

Chickasaw Nation Industries, Inc.; South Dakota; On-site; USD 85,000 - 125,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Family Planning/Fertility Assistance

STD/LTD/Basic Life/AD&D

Legal-Aid Program

Employee Assistance Program

Paid Time Off

Training and Development Opportunities

Job summary

Chickasaw Nation Industries, Inc. is seeking a Systems Administrator to provide mid-level infrastructure support for client systems, including Windows and Linux administration, virtualization, and patch validation.

The role reports to senior technical staff and emphasizes configuration integrity, system availability, and cybersecurity compliance. The ideal candidate has a Bachelor’s degree and at least five years of IT or cybersecurity experience, with relevant DoD certification knowledge and

Qualifications

• Bachelor’s degree and a minimum of five years of related IT or cybersecurity systems support experience.
• Experience providing Windows and Linux administration in enterprise environments.
• Knowledge of DoD cybersecurity directives and patch management processes.

Responsibilities

• Perform routine Windows and Linux systems administration, including configuration, patching, monitoring and troubleshooting.
• Support virtualization environments (e.g., Nutanix) via VM provisioning and performance checks.
• Maintain baselines and document updates aligned with engineering changes.
• Assist in patch engineering requirements and sustainment processes.
• Record system documentation and sustainment artifacts per CM expectations.

Skills

Windows administration

Linux administration

VM provisioning

Patch management

Cybersecurity compliance

Education

Bachelor’s degree

Tools

Nutanix

Active Directory

Patch management tools

Job description

*Please note, that this position is contingent upon the award or funding. The essential duties, experience, education requirements, and salary are subject to change.*

The Systems Administrator provides mid‑level infrastructure and systems administration support for the client systems. This role assists with Windows/Linux administration, virtualization operations, baseline configuration maintenance, patch validation, account management, and routine troubleshooting required to sustain mission‑critical FM systems. The System Administrator works under senior technical direction and supports configuration integrity, system availability, and compliance with sustainment and cybersecurity directives.

Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises. A portion of our profits is used to support Chickasaw citizens. We are proud to support the economic development and long‑term viability of the Chickasaw Nation and its people. CNI offers premium benefits eligible on the first day of hire to full time employees; (Medical - Dental – Vision), Company Life Insurance, Short‑Term and Long‑Term Disability Insurance, 401(K) Immediate Vesting, Professional Development Assistance, Legal Aid Assistance Program, Family Planning / Fertility Assistance, Personal Time Off, and Observance of Federal Holidays.

As a federal contractor, CNI is a drug‑free workplace and adheres to the Federal Controlled Substance Act.

ESSENTIAL REQUIREMENTS

The ability to obtain, maintain and access classified information at the Top Secret level.

Required Certification at the DoD 8410 WRC 722, Intermediate level - GMON, SecurityX/CASP+, CCISO, CCSP, CGRC/CAP, CISSO, Cloud+, GCSA, GSEC, Security+, or SSCP

Must comply with cybersecurity patch directives (IAVA, TCNO, NOTAM) and sustainment processes.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Essential Duties and responsibilities include the following. Other duties may be assigned.
• 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 elevate 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.

EDUCATION AND EXPERIENCE

Bachelor’s degree and a minimum of five(5) years of related IT or cybersecurity systems support experience.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this job. Work is primarily performed in an office/warehouse setting. Regularly required to use hands to finger, handle, or feel. Regularly required to reach with hands and arms, occasionally above head. Regularly required to twist at the waist, climb and descend stairs while carrying objects. Ability to speak and hear. Frequently required to stand, walk, stoop, kneel, crouch or crawl. Occasionally required to sit and climb or balance. Regularly lifts and/or moves up to twenty‑five pounds and occasionally lifts and/or moves up to fifty pounds. Works near moving mechanical parts. Regularly exposed to general office and general office machinery noise. May be exposed to warehouse, truck or forklift noise.

EOE including Disability/Vet

CNI offers a comprehensive benefits package that includes:

• Medical
• Dental
• Vision
• 401(k)
• Family Planning/Fertility Assistance
• STD/LTD/Basic Life/AD&D
• Legal-Aid Program
• Employee Assistance Program (EAP)
• Paid Time Off (PTO)
• Training and Development Opportunities

Your application submission will be considered for all potential employment opportunities with Chickasaw Nation Industries (CNI).