Systems Engineer

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

Role Summary

The Systems Engineer supports and maintains complex enterprise network environments, including network operations, infrastructure support, troubleshooting, equipment installation, security implementation, and ongoing optimization. This position requires on-site support, participation in an on‑call rotation, and close collaboration with engineering, operations, and vendor teams.

Responsibilities

• Monitor, maintain, and troubleshoot production network environments, including routers, switches, load balancers, VPN solutions, proxy servers, DNS, DHCP, NTP, and IP address management.
• Administer and maintain network monitoring, configuration management, and system baseline tools.
• Monitor network performance, availability, and security and support established operational standards.
• Provide escalation support for complex network issues and service outages.
• Install, configure, maintain, and troubleshoot network, storage, and server hardware and software.
• Perform hardware upgrades and repair or replace equipment to support operational readiness.
• Validate and test technical solutions prior to production deployment.
• Collaborate with engineering teams to implement network and security changes.
• Install, terminate, reroute, and test copper and fiber‑optic cabling.
• Coordinate equipment, materials, and tools required for cabling and rack installation projects.
• Maintain installation documentation, labeling standards, cabling diagrams, and equipment rack documentation.
• Support network communication closets and equipment racks and assist with cable routing and infrastructure expansion planning.
• Support network security initiatives, audits, and compliance activities.
• Plan, implement, and test network and security changes while minimizing operational impact.
• Collaborate with vendors to resolve technical issues and support platform upgrades.
• Recommend infrastructure and operational improvements to strengthen network reliability and performance.
• Participate in an on‑call rotation to support critical systems and services.

Qualifications

• 3+ years of experience supporting enterprise network environments.
• Experience installing, cabling, configuring, maintaining, and troubleshooting network equipment.
• Strong knowledge of routing protocols, including OSPF, EIGRP, BGP, MP‑BGP, and IS‑IS.
• Experience with MPLS and Layer 2 and Layer 3 VPN technologies.
• Strong knowledge of LAN, WAN, and MAN networking technologies.
• Experience with network security design, implementation, testing, and management.
• Knowledge of networking and application protocols.
• Experience with network monitoring technologies such as SNMP and NetFlow.
• Experience installing, configuring, integrating, and supporting routers, switches, load balancers, and proxy servers.
• Strong understanding of IP networking fundamentals and core IP technologies.
• Strong communication, presentation, technical writing, and documentation skills.
• This position requires eligibility for a U.S. Government security clearance. In accordance with federal law, U.S. citizenship is required.
• Availability to work on-site five days per week.

Preferred Qualifications

• Active CCNA certification.
• Experience supporting large‑scale enterprise network environments.
• Experience with network modernization, infrastructure upgrades, and operational improvement initiatives.

Publishing Pay Range: $57.00 - $62.00 hourly

This is a fully remote role and can be performed from any approved location within the United States.