Remote Enterprise Network Systems Engineer (Security)

GDH; Beltsville (MD); Remote; USD 79,000 - 85,000; Full time

Job summary

GDH is seeking a Systems Engineer to support and maintain complex enterprise networks in a fast‑paced environment. The role involves on‑site work, security implementations, troubleshooting, and collaboration with engineering, operations, and vendor teams.

Responsibilities include monitoring, configuring, and testing networking gear, cabling, and documentation, with an emphasis on reliability and security. An on‑call rotation is required.

Qualifications

• 3+ years experience supporting enterprise network environments.
• Experience installing, cabling, configuring, maintaining, and troubleshooting network equipment.
• Eligibility for a U.S. Government security clearance; U.S. citizenship required.
• On-site availability five days per week.

Responsibilities

• Monitor, troubleshoot, and maintain production network environments.
• Install, configure, and support routers, switches, load balancers, VPNs, proxies.
• Test and validate technical solutions before deployment.
• Collaborate with engineering teams to implement network and security changes.
• Support network security initiatives, audits, and compliance activities.
• Participate in on-call rotations.

Skills

Routing protocols

MPLS & VPN technologies

LAN/WAN/MAN networking

Security design & testing

SNMP/NetFlow monitoring

On-site availability

Education

CCNA certification

Tools

SNMP

NetFlow

Routers & Switches

VPN solutions

Load Balancers

Job description

GDH is seeking a Systems Engineer to support and maintain complex enterprise networks in a fast‑paced environment. The role involves on‑site work, security implementations, troubleshooting, and collaboration with engineering, operations, and vendor teams.

Responsibilities include monitoring, configuring, and testing networking gear, cabling, and documentation, with an emphasis on reliability and security. An on‑call rotation is required.