System Administrator

System Administrator

Security Clearance Requirement: Current and Active Top Secret Clearance is required

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.

Job Description

We’re Growing in Maryland!

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.

Position 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

Qualifications

Minimum of six years of experience with systems administration and desktop support

Certification Requirement

• 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)

Company Benefits

At Nexagen, we believe in taking care of our team from day one! Enjoy comprehensive benefits including health, dental, and vision insurance, generous paid time off, a matching 401(k), and various support programs. We also offer professional development opportunities and additional perks to ensure you thrive both personally and professionally. Join us and experience the difference with benefits that start on your first day!

Our Culture

Join our dynamic team and thrive in a culture that champions flexibility, professional growth, and work-life balance. At Nexagen, we support your continuous learning with comprehensive training and educational reimbursement. We celebrate your achievements and focus on delivering exceptional value to our customers. Be part of a supportive environment where your contributions directly impact our customers’ success and propel your career forward.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Nexagen Networks, Inc. is an Equal Opportunity Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.