Senior Systems Administrator — TS/SCI Poly

One Network Enterprises; Maryland; On-site; USD 122,000 - 208,000; Full time

Benefits offered by this job

401K match

Paid PTO

Health insurance

Training stipend

Referral program

Job summary

Prodigy One, LLC. is seeking a System Administrator to support a large, complex network environment with distributed systems. The role involves installing applications, maintaining server configurations, and ensuring security posture across air‑gapped environments.

Strong troubleshooting and documentation skills are essential as you work with a team to meet operational needs. The position requires active TS/SCI clearance with polygraph, location in Annapolis Junction, MD, and the ability to

Qualifications

• Must have direct systems administrator experience supporting end users and engineers.
• Proficient with Windows Server 2019 and Active Directory.
• Experience with deployment, patching, OS maintenance, and backups.
• Familiar with SALT, Ansible, Splunk, Puppet, SolarWinds, Nessus.
• Knowledge of Red Hat and VMware.
• Strong information security fundamentals.

Responsibilities

• Install applications and manage server configurations for continuous operation.
• Perform security management and performance optimization tasks.
• Maintain documentation for complex server and network environments.
• Respond to outages and coordinate with upper management on resolutions.
• Support creation and maintenance of secure enclave environments.

Skills

Windows Server 2019

Active Directory

Security best practices

System virtualization

Technical troubleshooting

End-user support

Education

Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related field

Tools

SALt

Ansible

Splunk

Puppet

SolarWinds

Nessus

Red Hat

VMware

Job description

Prodigy One, LLC. is seeking a System Administrator to support a large, complex network environment with distributed systems. The role involves installing applications, maintaining server configurations, and ensuring security posture across air‑gapped environments.

Strong troubleshooting and documentation skills are essential as you work with a team to meet operational needs. The position requires active TS/SCI clearance with polygraph, location in Annapolis Junction, MD, and the ability to