System Adminstrator

Job Description

Overview:

Quantum Research International, Inc. (Quantum) is a certified DoD Contractor providing services and products to US/Allied governments and industry in the following main areas: (1) Cybersecurity, High Performance Computing Systems, Cloud Services and Systems; (2) Space and Ground Support Systems; (3) Aviation Systems; (4) Missile Systems; (5) Artificial Intelligence/ Machine Learning Systems and Experimentation/Training; and (6) Audio Visual Systems and Services. Quantum's Corporate Office is in Huntsville, AL, but Quantum actively hires for positions nationwide and internationally. We pride ourselves on providing high quality support to the U.S. Government and our Nation's Warfighters. In addition to our corporate office, we have physical locations in Aberdeen; MD; Colorado Springs, CO; Orlando, FL; Crestview, FL; and Tupelo, MS.

Mission:

Quantum is seeking an experienced System Administrator to join our team in a Sensitive Compartmented Information Facility (SCIF) environment. This role involves managing and maintaining virtual and physical IT infrastructure while ensuring compliance with stringent DoD cybersecurity policies and standards. The ideal candidate will bring deep expertise in Windows Server environments, DISA STIG enforcement, virtualization technologies, and technical documentation.

We anticipate the start date for the successful candidate will be August 4, 2025

Responsibilities:

• Manage and maintain IT infrastructure in compliance with DOD regulations and SCIF standards.
• Collaborate with the Cyber Security Team to implement DISA STIGs and maintain a secure operating environment.
• Diagnose and troubleshoot virtual infrastructure and system issues including hardware, software, and networking problems.
• Administer Microsoft technologies including Windows 11, Windows Server 2016/2019, Active Directory, Group Policy, and PowerShell scripting.
• Maintain and optimize virtualization technologies such as ESXi, vCenter, and vSphere.
• Deploy software and manage updates using WSUS and PowerShell automation.
• Produce high-quality technical documentation, reports, and presentations.

Required Skills and Qualifications:

• 7+ years of experience integrating satellite communication equipment and software
• Must have an Active DOD Top Secret Security Clearance and be eligible for SCI
• DoD IAT Level II (CompTIA Security+ CE or equivalent) certification required
• Must have a minimum of five (5) years of experience, of which at least three (3) must be specialized experience including designing, implementing and/or administering medium to large information systems and/or networks
• Strong verbal and written communication skills.
• Active DoDI 8570.01-M IAT Level II certification (e.g., CompTIA Security+ CE) or higher.
• Ability to obtain and maintain a DoD Computing Environment certification.

Desired Skills and Qualifications:

• Bachelor's degree of science in engineering or scientific field of study from an accredited college or university
• Hands-on experience in a classified environment.
• Familiarity with DISA STIGs, RMF processes, and hardened configurations.
• Experience using enterprise-level monitoring and configuration tools.

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Equal Opportunity Employer/Affirmative Action Employer M/F/D/V: All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, genetic information, sexual orientation, gender identity, or any other characteristic protected by law. *Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.