On-Site Senior Principal Network Engineer, TS/SCI

Zachary Piper Solutions; Newington (VA); On-site; USD 160,000 - 180,000; Full time

Benefits offered by this job

PTO & Holidays

Medical, Dental, Vision

401K

Tuition Reimbursement

Sick Leave

Job summary

Zachary Piper Solutions is seeking a Senior Principal Network Engineer to support a federal defense program focused on national security, mission-critical communications, and critical infrastructure protection. This on-site role is based in Newington, VA and requires active TS/SCI clearance with SAP eligibility.

The engineer will lead design, implementation, and optimization of complex networks, collaborating with security, cloud, and operations teams to deliver scalable routing, switching, and

Qualifications

• 8+ years of experience in network engineering, network architecture, or complex enterprise networking environments.
• Strong expertise with routing and switching technologies including BGP, OSPF, EIGRP, MPLS, VXLAN, and EVPN.
• Hands-on experience with Cisco technologies including Catalyst, Nexus, ACI, Next-Generation Firewalls, and enterprise LAN/WAN environments.
• Experience with network monitoring and troubleshooting tools such as SolarWinds, Wireshark, and NetFlow.
• Strong communication, presentation, troubleshooting, and analytical skills.
• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field; equivalent experience may be considered.
• Active TS/SCI clearance required with eligibility for Special Access Program (SAP) approval.

Responsibilities

• Design and architect scalable, secure voice, video, wireless, and data communication networks in collaboration with engineering, security, cloud, and operations teams.
• Develop high-level and low-level network designs (HLDs/LLDs) and support the deployment and integration of enterprise and data center networking solutions.
• Troubleshoot complex network issues, conduct root cause analysis, and implement performance, reliability, and security improvements.
• Act as a trusted technical advisor by translating mission requirements into scalable network architectures and strategic solutions.
• Utilize advanced routing, switching, security, and automation technologies to optimize and modernize network infrastructure.

Skills

BGP/OSPF/EIGRP

MPLS VXLAN EVPN

Cisco Nexus/Catalyst/ACI

Network security architecture

Communication skills

Education

Bachelor's degree in Computer Science, Information Technology, Engineering

Tools

SolarWinds

Wireshark

NetFlow

Job description

Zachary Piper Solutions is seeking a Senior Principal Network Engineer to support a federal defense program focused on national security, mission-critical communications, and critical infrastructure protection. This on-site role is based in Newington, VA and requires active TS/SCI clearance with SAP eligibility.

The engineer will lead design, implementation, and optimization of complex networks, collaborating with security, cloud, and operations teams to deliver scalable routing, switching, and