System Administrator 

Location: Chantilly, VA
Clearance: Active TS/SCI with Polygraph
Core Hours: 9 AM – 3 PM
Travel: Occasional travel between buildings may be required

We are seeking a System Administrator to support a customer’s integrated learning enterprise. The ideal candidate brings strong system administration expertise, foundational network experience, and the ability to operate in a dynamic, mission‑focused environment.

Key Responsibilities

• Provide Tier 1–3 Operations & Maintenance support across enterprise systems.

• Administer and maintain Windows and Linux/CentOS server environments.

• Support and configure Cisco ISE, Umbrella, and DNAC.

• Manage and monitor cloud architectures including AWS EC2, RDS, S3, Elastic Load Balancer, and Route 53.

• Develop, test, and implement system upgrades.

• Identify technical risks and implement mitigation strategies.

• Create, update, and maintain Standard Operating Procedures (SOPs).

• Deliver exceptional customer relationship management and communication.

Mandatory Qualifications

• Active TS/SCI with Polygraph

• Demonstrated experience with:

  • Windows & Linux/CentOS server administration

  • Cisco ISE, Umbrella, DNAC

  • Apple iOS environments

  • AWS cloud services (EC2, RDS, S3, ELB, Route 53) in a Tier 3 support environment

  • System upgrades and lifecycle management

  • Technical risk identification and mitigation

  • Tier 1–3 O&M support

  • SOP creation and documentation

  • Customer relationship management

Desired Qualifications

• Experience with Agile methodologies (Kanban, Scrum)

• Wireless technologies

• Cisco Duo, Splunk, Meraki

• DevSecOps environments (CI/CD pipelines, CloudFormation)

• Command‑line proficiency across Windows, AWS, Linux, and Cisco

• Experience supporting the A&A process, including compliance monitoring and POA&M evidence gathering

• Installation and configuration of the Moodle Learning Management System

• Database engineering, development, and administration