Data Center Engineer- TS/TSC CI Poly

About the role

This onsite position is located in Reston, VA, supporting secure mission-critical infrastructure across classified and highly regulated data center environments.

Responsibilities

• Build, deploy, maintain, and support secure mission-critical infrastructure across classified and highly regulated data center environments.
• Administer and troubleshoot Windows, Linux, and Unix systems, virtualization platforms (VMware), and web, email, database, desktop, and thin-client technologies.
• Collaborate with cross-functional engineering teams to design, implement, and sustain secure computing environments used for operational and government-focused workloads.
• Manage infrastructure supporting sensitive and regulated data, ensuring compliance with requirements related to NISPOM, ICD, export control regulations, and classified information handling.
• Develop, maintain, and support security documentation, including System Security Plans (SSPs), Plan of Action and Milestones (POA&Ms), and other compliance artifacts.
• Assist with system accreditation efforts, security assessments, risk remediation activities, and ongoing compliance monitoring to support secure operational environments.

Requirements

• Active Top Secret/SCI clearance with Counterintelligence Polygraph (CI Poly) and ability to work in the U.S., with experience supporting secure government and classified environments.
• Hands-on experience with DIACAP, NISPOM, ICD, and related compliance frameworks, including system accreditation, security documentation, and regulatory requirements.
• Strong network engineering and administration skills, including configuration, deployment, maintenance, and troubleshooting of routers, switches, firewalls, and other network infrastructure components.
• Proficiency in Windows Server 2016/2019, Windows 10, Active Directory, DNS, DHCP, WSUS, VMware vSphere, and mixed Windows/Linux enterprise environments.
• Experience with vulnerability management, system patching, remediation activities, and the ability to effectively manage multiple priorities both independently and within cross-functional teams.

Preferred Qualifications

• DoD 8570 certifications (Security+, CISSP, CISA, GSEC, CAP, SSCP, GSLC, or equivalent).
• Experience with Splunk or centralized logging platforms, McAfee ePO, COMSEC and encryption technologies, cloud administration (AWS/Azure/GCP), and Jira administration.

Pay

$130,000 - $170,000

Benefits

• Medical, Dental, Vision
• 401k
• PTO
• Sick leave (if required by law)
• Holidays