Onsite TS/SCI Network Engineer | Secure SCIF, Cisco/SD-WAN

Piper Companies; Maryland; On-site; USD 140,000 - 190,000; Full time

Job summary

Zachary Piper Solutions in Annapolis Junction, MD is seeking a Network Engineer – TS/SCI FSP to support a world leading global technology organization. The role requires 100% onsite work in a SCIF and an active TS/SCI with Full Scope Polygraph clearance.

Responsibilities include managing enterprise networks, routing and switching across LAN/WAN, and enhancing performance, availability, and security for mission systems.

Qualifications

• Active TS/SCI with Full Scope Polygraph
• 5+ years of network engineering or network administration experience in enterprise environments
• Strong expertise with routing and switching technologies including EIGRP, BGP, MPLS, and SD‑WAN
• Proficiency with Cisco routers, switches, and firewalls (ASA or similar)
• Experience supporting LAN/WAN architecture, network security, and enterprise connectivity
• Familiarity with Linux and Windows environments
• VMware experience deploying or maintaining virtualized network resources is a plus

Responsibilities

• Manage, monitor, and troubleshoot large‑scale enterprise networks within a secure environment
• Support routing, switching, and network infrastructure projects across LAN/WAN
• Optimize network performance, availability, and security across mission systems
• Collaborate with cross‑functional engineering teams on customer requests and new implementations
• Provide advanced technical guidance on routing protocols, network segmentation, and secure connectivity
• Document network changes, configurations, and best practices

Skills

TS/SCI clearance with Full Scope Poly

Enterprise network engineering

Routing & Switching

EIGRP

BGP

MPLS

SD-WAN

Cisco IOS

Linux

Windows

Tools

Cisco routers

Cisco switches

Firewalls (ASA)

VMware

Job description

Zachary Piper Solutions in Annapolis Junction, MD is seeking a Network Engineer – TS/SCI FSP to support a world leading global technology organization. The role requires 100% onsite work in a SCIF and an active TS/SCI with Full Scope Polygraph clearance.

Responsibilities include managing enterprise networks, routing and switching across LAN/WAN, and enhancing performance, availability, and security for mission systems.