Senior IT Systems & Security Administrator (TS/SCI)

QBE Federal; Haymarket (VA); On-site; USD 90,000 - 150,000; Full time

Job summary

QBE Federal is seeking a Senior IT System Administrator to manage day-to-day administration, maintenance, and security of the JWICS environment for US Army G2's AMIS divisions. You will administer Windows and Linux servers, apply STIGs, perform patching, and manage network devices to keep critical systems compliant and resilient.

Responsibilities include Tier 1/2 user support (VTC setup, account resets), security operations (log monitoring, incident response, disaster recovery testing), and

Qualifications

• Clearance: Top Secret/SCI required and maintained.
• Experience: 5+ years in enterprise IT environments.
• Certifications: DoD 8570/8140 compliant (IAT Level II) such as Security+, CCNA, RHCSA, MCSA.

Responsibilities

• System & Network Administration on Windows and Linux servers with patching and STIGs.
• Tier 1/2 end-user support including VTC setup and troubleshooting.
• Security Operations: monitor logs, respond to alerts, assist with incident response and DR testing.
• Provide ongoing technical support as directed by Team Lead.

Skills

System administration

Network administration

Security operations

Customer support

STIGs compliance

Patch management

Tools

STIGs

VTC setup

Network devices

Job description

QBE Federal is seeking a Senior IT System Administrator to manage day-to-day administration, maintenance, and security of the JWICS environment for US Army G2's AMIS divisions. You will administer Windows and Linux servers, apply STIGs, perform patching, and manage network devices to keep critical systems compliant and resilient.

Responsibilities include Tier 1/2 user support (VTC setup, account resets), security operations (log monitoring, incident response, disaster recovery testing), and