Senior Systems Administrator

Senior Systems Administrator

Job ID: 2614937

Location: Huntsville, AL, United States

Date Posted: Jul 28, 2026

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 50% of the time

Minimum Clearance Required: Secret

Clearance Level Must Be Able to Obtain: TS/SCI

Potential for Remote Work: On-Site

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Job Description

Description

SAIC is seeking a Senior Systems Administrator located in Huntsville, AL to support USPACOM to enhance and upgrade a myriad of applications and services, in an enterprise environment. As part of team, you will participate in implementation and maintenance of Cloud and On-Prem IT Infrastructure to support software development in Modeling and Simulation.

The Senior Systems Administrator will be responsible for but not limited to the following duties:

• Provide level II and III systems support to Huntsville based software development team.
• Provide user level testing of the platform prior to deployment of the software.
• Linux and Windows Administrative duties (RHEL & Ubuntu)
• Support the maintenance and connectivity of the development platform on a private cloud on prem.
• Create and manage user and group accounts across enclaves of responsibilities
• Respond to and implement Cyber Tasking Orders.
• Apply patches to systems and conduct regression tests.
• Apply STIGs and conduct regression tests.
• Document updates for user manuals and procedures
• Required travel of up to 50% with overseas travel from 1 to 3.5 weeks at a time.

Qualifications

Required Education:

• Bachelor''s degree and five (5) years' experience; additional four (4) years' experience can be considered in lieu of degree.

Required Clearance:

• Must possess an active Secret security clearance with the ability to obtain and maintain a TS/SCI; US Citizenship required.

Required Skills:

• Willingness to travel of up to 50% with overseas in support of exercise events.
• Experience working with operating systems such as RHEL, Ubuntu, Windows 11, Windows Server, ESXi.
• Must have or obtain a US Passport within 30 days of start

Desired Skills:

• Willingness to travel of up to 50% with overseas in support of exercise events.
• Experience working with operating systems such as RHEL, Ubuntu, Windows 11, Windows Server, ESXi.
• Must have or obtain a US Passport within 30 days of start

Required Certifications:

• Must have a current DoD 8570 IAT level II or higher certification such as Security+ CE, CySA+, CISSP, CASP etc.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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