System Administrator

Nexagen Networks•Hanover, MD

19h

About The Position

As the System Administrator, you will join a high-performing team dedicated to excellence, innovation, and mission-critical support. At Nexagen, you will drive technological advancements and help secure our nation’s future. With outstanding benefits and unparalleled growth prospects, you will thrive in our collaborative and innovative environment. Leverage over two decades of industry expertise to drive transformative innovation and deliver exceptional services across diverse government sectors. Nexagen Networks is a trusted partner to the Department of Defense (DoD) and other federal agencies, including the Army, Air Force, Marine Corps, Navy, and DHS. With more than 20 years of industry expertise, we deliver exceptional lifecycle professional services spanning Research and Development, Cloud Engineering, Digital Modernization, Systems and Software Engineering, DevSecOps, ITSM, Cybersecurity, Satellite Communication (SATCOM), RMF-FedRAMP, Logistics, Training, Exercises, COMSEC, and IT/Networking. Nexagen Networks is proud to announce the expansion of our cleared operations footprint with the opening of a new office location in Frederick . As we continue supporting the United States Army and Joint missions across the Fort Detrick / Fort Meade corridor, we are growing our team of cleared professionals across engineering, cybersecurity, program management, logistics, and mission support disciplines. Our Frederick location will serve as a collaborative hub supporting programs operating in the Fort Detrick and Hanover / Fort Meade region, offering proximity to customer sites while providing flexibility for our cleared workforce. As a System Administrator , you will support mission-critical systems by maintaining, configuring, and ensuring the reliable operation of IT infrastructure in secure environments. You will work closely with engineering, cybersecurity, and program teams to ensure systems remain compliant, secure, and highly available.

Requirements

Minimum of six years of experience with systems administration and desktop support
BA/BS from an accredited college or university in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science
Information Assurance Technical (IAT) Level II certification as specified in DoD 8570-01-M (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
Current and Active Top Secret Clearance is required

Responsibilities

Serve as the System Administrator for a closed, restricted network and support other DoD guest systems at various classification levels
Perform systems planning, management, analysis, integration, and installation of highly complex hardware, software (applications and operating systems), and networks
Perform Security Technical Implementation Guide (STIG) configurations on Windows, Linux, and network-based technologies
Update and maintain physical, virtual, and cloud-based servers
Utilize Infrastructure as Code (IaC) technologies such as Amazon CloudFormation, Terraform, or Ansible
Troubleshoot complex server, network, and software configurations
Remotely assist off-site locations with software updates, ensure network connectivity and backups, and monitor secure VTC sessions
Support staff in troubleshooting systems access, unlocking accounts, managing group policies, and conducting market research for Information Assurance equipment