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System & Network Administrator Security Clearance

Job in Quantico, Prince William County, Virginia, 22134, USA
Listing for: Insight Global, Inc.
Full Time position
Listed on 2026-05-29
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 50 - 60 USD Hourly USD 50.00 60.00 HOUR
Job Description & How to Apply Below
Position: System & Network Administrator with Security Clearance
Compensation: $50/hr to $60/hr systems / Network Administrator (Cleared) Clearance:
Active Secret required

Certifications:

Security+ required

Position Overview
Seeking a skilled Systems / Network Administrator to support enterprise IT infrastructure within a secure environment. This role will focus on systems administration, virtualization, and network operations, including routing protocols, firewall management, and secure communications.

Required Qualifications

Experience:

6+ years with a Bachelor’s degree OR 10+ years without (IT, systems, or network-focused experience)

Certifications:

CompTIA Security+ (required)
Additional networking certifications strongly preferred (e.g., CCNA, CCNP) Clearance:
Active Secret clearance required Core Technical Skills Systems Administration:
Strong experience with Active Directory (user administration, group policy, domain services)
Experience supporting enterprise Windows environments Virtualization:
Hands-on experience with VMware or equivalent virtualization platforms Networking:
Solid understanding of IP networking and routing protocols (e.g., BGP, EIGRP, OSPF)
Experience troubleshooting and maintaining network infrastructure Security &

Infrastructure:

Experience with firewall technologies (Cisco ASA or similar)
Familiarity with cryptographic devices and secure communications (KG-175D or similar preferred)

Preferred Qualifications Experience supporting DoD or federal environments
Knowledge of secure network architecture and compliance standards
Hands-on experience with enterprise monitoring, patching, and system hardening

Key Responsibilities Manage and maintain enterprise IT systems, including servers, virtualization, and directory services
Support network operations, including routing, switching, and firewall configurations
Monitor system performance, troubleshoot issues, and ensure high availability
Maintain security posture through compliance, patching, and access control
Support secure communications infrastructure and cryptographic devices
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