Network Administrator - Top Secret

GD Information Technology • Arlington, TX

23h • Onsite

About The Position

Advance how our customers operate while you advance your career. Join GDIT as a Network Administrator and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT We’re seeking a Network Engineer to design, deploy, and support secure, high‑performance network solutions that keep our mission moving. If you enjoy solving complex technical challenges, improving infrastructure capabilities, and working with advanced networking technologies, this role is for you.

Requirements

• Technical Training, Certification(s) or Degree, 1+ years of experience
• 2+ years of network engineering experience
• Active Top Secret clearance with the ability to obtain SCI
• Current IAT Level II certification
• Current networking certification (Cisco CCNA/CCNP, Juniper JNCIA/JNCIS/JNCIP, Brocade, or Aruba)
• Hands‑on experience with Cisco, Juniper, Brocade, or Aruba technologies
• Strong understanding of network design, security, and troubleshooting

Responsibilities

• Design, implement, and maintain scalable LAN/WAN network architectures
• Configure routers, switches, firewalls, VPNs, and wireless systems
• Monitor network performance and troubleshoot complex issues to ensure reliability and uptime
• Plan and execute network upgrades, enhancements, and capacity improvements
• Implement and enforce network security policies, including firewalls, intrusion detection/prevention, and secure remote access
• Maintain network integrity, documentation, backup/recovery capabilities, and compliance with regulations
• Evaluate emerging technologies and recommend improvements based on industry best practices
• Support disaster recovery planning, testing, and business continuity efforts
• Provide technical guidance to junior network personnel
• Coordinate acquisition of hardware/software and vendor engagements as needed

Benefits

• 401K with company match
• Medical plan options
• Dental plan options
• Vision plan
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays
• Paid parental, military, bereavement and jury duty leave
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed