System Administrator

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

Description:

Overview

The Senior IT System Administrator is responsible for the day-to-day administration, maintenance, and security of the JWICS environment for US Army G2's Intelligence Division (AMIS-IN), Security Division (AMIS-SE), and the Special Projects Office (SPO) (AMIS-SEP).

Responsibilities

System & Network Administration: Perform daily system administration tasks on Windows and/or Linux servers, including user account management, patching, and applying Security Technical Implementation Guides (STIGs). Manage and troubleshoot network infrastructure devices (switches, routers, firewalls).

Tier 1/2 User Support: Provide direct support to end-users for technical issues, including VTC setup and troubleshooting, account resets, and software support. Escalate complex issues to senior specialists or external vendors as needed.

Security Operations: Monitor security logs, respond to alerts, and assist with incident response and remediation activities. Ensure systems are backed up and that disaster recovery plans are tested.

Technical Support: Provide skilled technical support across all performance areas as assigned by the Team Lead, adapting to emerging technologies and requirements.

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Minimum Qualifications

Clearance: Must possess and maintain a Top Secret/SCI security clearance.

Experience: Minimum 5+ years of relevant IT experience in an enterprise environment.

Certifications: Possess current, industry-standard certifications relevant to their specific duties (e.g., CompTIA Security+, CCNA, RHCSA, MCSA). Certifications must meet DoD 8570/8140 requirements for their assigned role (e.g., IAT Level II).

Technical Skills: Proven hands‑on skills in network and system administration, troubleshooting, COMSEC, and customer support within a secure environment.

Physical Requirements

• Must be able to remain in a stationary position for up to 50% of the time.
• Must be able to deliver clear and effective communication verbally and via email, phone, and virtual communication platforms to interface with co-workers and customers.
• Must be able to occasionally move about inside an office environment to access file cabinets, office machinery, and communicate with co-workers.

Equal Opportunity Employer

QBE, LLC is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, disability, veteran status, or any other protected status under applicable law.

Equal employment opportunity, including veterans and individuals with disabilities.

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