Systems Administrator IV

Chickasaw Nation Industries, Inc.; Ellsworth (ME); Hybrid; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

STD/LTD

401(k)

Professional Development

Legal Aid

Family Planning

PTO

Holidays

Job summary

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

You will maintain baselines, validate patches, manage accounts, and troubleshoot to sustain mission‑critical FM systems. The role requires DoD‑level certifications and the ability to work with cybersecurity directives, under senior technical direction while ensuring system availability and

Qualifications

• Bachelor's degree and a minimum of nine (9) years of relevant experience, or equivalent combination of education/experience.
• Ability to obtain, maintain and access classified information at the Secret level.
• DoD 8140 WRC 722, Intermediate level certifications (GMON, SecurityX/CASP+, CCISO, CCSP, CGRC/CAP, CISSO, Cloud+, GCSA, GSEC, SSCP)

Responsibilities

• Perform routine Windows and Linux systems administration, including configuration, patching, monitoring, and troubleshooting.
• Support virtualization environments (e.g., Nutanix) by provisioning and validating VM configurations and performance.
• Maintain system baselines and ensure changes are documented and aligned with engineering changes.
• Implement and validate patch requirements associated with IAVA, TCNO, NOTAM directives.
• Provide diagnostic support and escalate complex issues to senior engineers.
• Maintain test/dev environments, support patch testing, and ensure data integrity.
• Manage service accounts and directory services configuration; perform routine admin tasks.
• Keep accurate system documentation and sustainment artifacts per PM/CM expectations.

Skills

Windows administration

Linux administration

Patch management

Nutanix virtualization

Directory services

Documentation

Cybersecurity compliance

Education

Bachelor's degree

Tools

Nutanix

Job description

Category Network & Systems Administration

Full-Time/Part-Time Full-Time

Posted 2026-09-24

Clearance Not Required

The Systems Administrator IV 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 Secret level.

Required Certification at the DoD 8140 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 escalation 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 nine (9) years of relevant experience, or equivalent combination of education/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
• 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).

Job Application & Safety Notice
Watch for fraud in job offers and recruiting contacts.

Chickasaw Federal and Chickasaw Nation Industries (CNI) are aware of scams involving fake job postings and recruiter impersonations. We will never ask for payment, personal financial information, or send checks during the hiring process. All official communications will come from [e-mail] address.