System Administrator III (Active Secret Clearance Required) Barrigada, GU Posted today

NANA Regional Corporation; Guam; On-site; USD 90,000 - 120,000; Full time

Job summary

Five Rivers Analytics (FRA), an Akima company, seeks an experienced Systems Administrator III to maintain and enhance mission-critical IT infrastructure. You will administer operating systems, hardware, and related software, ensuring security, compatibility, and operational readiness for government customers.

Key duties include security reviews, backups, vendor coordination, and acting as a help-desk level technician for system users and military interfaces.

Qualifications

• Must possess an active Secret clearance or higher.
• 3+ years Linux/Windows administration.
• Experience interfacing w/Military personnel and government customers.
• Experience with Outlook 365, Cisco systems, and helpdesk related tasks.
• Experience with cloud related services.
• Must be able to read, write, and speak English.

Responsibilities

• Administer, develop, and maintain operating systems and related software to ensure optimal performance.
• Perform comprehensive systems administration on mission-related equipment.
• Conduct routine Linux/Windows server antivirus scans, security audit log reviews, and PMI.
• Manage system backups, data recovery, and recommend hardware/software upgrades based on performance and capacity forecasts.
• Uphold system security by conducting TEMPEST management reviews and ensuring all security measures are documented and implemented.
• Serve as a technical support resource for system users and act as a help desk-level Client Systems Technician.
• Troubleshoot and resolve complex software, operating system, and networking issues.
• Interface directly with military personnel and government customers to ensure requirements are met.
• Serve as Property Custodian to inventory, track, and manage all IT equipment assets and lifecycle processes.
• Any other duties and responsibilities as assigned.

Skills

Linux/Windows administration

Security clearance

Tools

CompTIA Security Plus

Job description

We are looking for an experienced Systems Administrator III to maintain and enhance our mission-critical IT infrastructure. The ideal candidate will be a proactive problem-solver responsible for the administration, implementation, and maintenance of operating systems, hardware, and related software. You will play a key role in ensuring system compatibility, security, and operational readiness, providing essential support to both system users and government customers.

Responsibilities

• Administer, develop, and maintain operating systems and related software to ensure optimal performance.

• Perform comprehensive systems administration on mission-related equipment.

• Conduct routine Linux/Windows server antivirus scans, security audit log reviews, and Preventive Maintenance Inspections (PMI).

• Manage system backups, data recovery, and recommend hardware/software upgrades based on performance and capacity forecasts.

• Uphold system security by conducting TEMPEST management reviews and ensuring all security measures are correctly documented and implemented.

• Serve as a technical support resource for system users and act as a help desk-level Client Systems Technician.

• Troubleshoot and resolve complex software, operating system, and networking issues.

• Interface directly with military personnel and government customers to ensure requirements are met.

• Serve as Property Custodian to inventory, track, and manage all IT equipment assets. Responsible for the formal processes of receiving, tracking, and the proper disposition of lifecycle assets.

• Any other duties and responsiblities as assigned.

Qualifications

• Must possess an active Secret clearance or higher.

• Must hold an active CompTIA Security Plus certification.

• 3 or more years Linux/Windows administration.

• Experience interfacing w/Military personnel and government customer.

• Experience with outlook 365, Cisco Systems, and helpdesk related task.

• Experience with cloud related services.

• Must have the ability read, write, and speak English.

Job ID

2026-25706

Work Type

On-Site

Company Description

Work Where it Matters

Five Rivers Analytics (FRA), an Akima company, is not just another federal IT contractor. As an Alaska Native Corporation (ANC), our mission and purpose extend beyond our exciting federal projects as we support our shareholder communities in Alaska.

At FRA, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.

For our shareholders, FRA provides support and employment opportunities and contributes to the survival of a culture that has thrived above the Arctic Circle for more than 10,000 years.

For our government customers, FRA delivers streamline operations in support of an increasingly fast-paced, complex, and dynamic digital environment.

As a FRA employee, you will be surrounded by a challenging, yet supportive work environment that is committed to innovation and diversity, two of our most important values. You will also have access to our comprehensive benefits and competitive pay in addition to growth opportunities and excellent retirement options.

We are an equal opportunity employer and comply with all applicable federal, state, and local fair employment practices laws. All applicants will receive consideration for employment, without regard to race, color, religion, creed, national origin, gender or gender-identity, age, marital status, sexual orientation, veteran status, disability, pregnancy or parental status, or any other basis prohibited by law. If you are an individual with a disability, or have known limitations related to pregnancy, childbirth, or related medical conditions, and would like to request a reasonable accommodation for any part of the employment process, please contact us at [e-mail] or 571-353-7053 (information about job applications status is not available at this contact information).