E01-J01 Systems Administrator

EXPANSIA Group; Northern (KY); Hybrid; USD 92,000 - 115,000; Full time

Job summary

EXPANSIA Group seeks a System Administrator to support the U.S. Navy PMA-262 Program Office at Patuxent River, MD.

The role maintains mission-critical IT infrastructure, ensuring RMF and DoD cybersecurity compliance while supporting naval aviation programs with secure enterprise IT solutions. The ideal candidate has 5+ years of Windows/Linux administration experience, RMF/STIG execution expertise, and security certifications, enabling robust technical support in a fast-paced government

Qualifications

• RMF compliance experience (e.g., scanning and STIG execution).
• 5 years of relevant experience in system administration.
• Active Secret clearance with ability to obtain Top Secret.
• CompTIA Sec+ certification.
• Windows or Linux OS certification.

Responsibilities

• Provide engineering solutions for government software hosting environments.
• Deploy and maintain physical and virtual hardware, including VMs and containers.
• Perform routine maintenance and configuration on servers and IT equipment.
• Install, configure, and troubleshoot hardware and software on servers/workstations.
• Maintain system backups and disaster recovery plans.

Skills

RMF compliance

DoD cybersecurity

Troubleshooting

Documentation

Education

CompTIA Sec+

Windows/Linux OS certification

Tools

STIG execution

Windows/Linux admin

Job description

Start Date: Immediate

JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace focused on delivering high-impact technologies, technology-enabled services and advanced manufacturing solutions to the U.S. Department of Defense and related national security customers. Backed by Falfurrias Management Partners, the platform brings together deep domainexpertiseacross Army, Navy, and Air Force and Space Force programs, digital engineering, systems integration, and specialized manufacturing capabilities.

The combined organization operates as a multi-entity aerospace and defense technology and tech-enabled services and manufacturing enterprise positioned for scalable growth, operational excellence, and long-term value creation.

OVERVIEW

Full-time/Permanent Employee

Location: Pax River, MD

Aether Aerospace is seeking a System Administrator to support the U.S. Navy's PMA-262 Program Office at Patuxent River, MD. This role is responsible for maintaining and securing mission-critical IT infrastructure, including physical and virtual environments, while ensuring compliance with DoD cybersecurity requirements. The ideal candidate will have experience administering Windows and Linux systems, implementing RMF and STIG requirements, and providing technical support in a fast-paced, customer-focused environment. This position offers the opportunity to directly support Naval aviation programs through reliable, secure, and modern enterprise IT solutions.

RESPONSIBILITIES

• Provide engineering solutions for various and unique problem sets and customers in a government software hosting facility.
• Deploy andmaintainphysical and virtual hardware infrastructure, to include virtual machines and containers.
• Perform routine maintenance and configuration changes to various physical and virtual hosts.
• Installation, configuration and troubleshooting of hardware and software issues on servers, workstations, and IT equipment.
• Maintain system backups and disaster recovery plans.
• Manage user accounts and permissions.
• Deploy andmaintainsoftware applications.
• Troubleshoot technical issues.
• Maintain documentation to include knowledge base, incident response actions, system configurations, and other information related to system administration.
• Provide technical support to customers, ranging from resolving technical issues to providing guidance andbest-practices.
• Secure information systems and applications to current DoD guidance
• Maintain configuration and security posture of information systems through continuous monitoring and routine security events/reporting.
• Participate in project planning using Agilemethodology.
• Provide networking support to on-premises infrastructure.
• Understanding and familiarity of Linux operating system and virtual networking.

KEY QUALIFICATIONS

Clearance: Active Secret clearance with ability to obtain Top Secret

Experience: 5 years of relevant experience

• Risk Management Framework (RMF) compliance experiencea must(example: scanning and Security Technical Implementation Guide (STIG) execution)
• CompTIA Sec+
• Windows or Linux OS certification

$92,000 - $115,000 a year

There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications.

Aether Aerospace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.