Network Engineer Tier 3 - 176500

Zachary Piper, LLC; Washington (District of Columbia); On-site; USD 105,000 - 175,000; Full time

Benefits offered by this job

PTO

Paid Holidays

Medical

Dental

Vision

401K

Tuition Reimbursement

Sick Leave

Job summary

Zachary Piper Solutions is seeking a Network Engineer Tier 3 to support federal government enterprise networks in Washington, DC. This on-site role requires advanced skills in LAN/WAN design, security, and troubleshooting for mission-critical environments.

The ideal candidate has 7+ years of enterprise network experience, hands-on Cisco/Palo Alto expertise, and an active DOE Q or Top Secret clearance. Salary up to $175,000 with full benefits.

Qualifications

• 7+ years of enterprise network engineering and operations.
• Bachelor's degree in IT, CS, engineering, or related field.
• Active DOE Q or Top Secret clearance.
• Hands-on Cisco routing/switching, Palo Alto firewalls, and encryption devices.

Responsibilities

• Install, configure, maintain, and optimize LAN/WAN networks (Cisco, VPN, load balancers, security gear).
• Troubleshoot complex network issues and monitor performance for improvements.
• Manage firewall administration, system hardening, and patch management.
• Support data center ops, virtualization, and disaster recovery initiatives.
• Collaborate with teams on design, upgrades, and asset management.

Skills

Enterprise networking

Troubleshooting

Security best practices

Documentation

Education

Bachelor's degree in IT/CS/Engineering

Tools

Cisco IOS/NX-OS

Palo Alto Firewall

VPN technologies

F5 BIG-IP

GTM/Big-IP DNS

TACLANE encryption devices

Job description

Zachary Piper Solutions is seeking a Network Engineer Tier 3 to support a company focused on advancing critical national security and enterprise infrastructure operations within the federal government. This position is on-site in Washington, DC. The Network Engineer Tier 3 will provide advanced support for secure enterprise network environments, including design, implementation, optimization, troubleshooting, and security of complex LAN/WAN infrastructures. This is an opportunity to support mission-critical operations that help protect and maintain some of the nation’s most important technology environments.

Responsibilities for the Network Engineer Tier 3 include:

• Install, configure, maintain, and optimize enterprise LAN/WAN networks, including Cisco routers, switches, VPN solutions, load balancers, and security appliances
• Troubleshoot and resolve complex network, voice, video, and data service issues while monitoring network performance and implementing improvements
• Manage and support network security initiatives, including firewall administration, system hardening, patch management, and implementation of security best practices
• Support data center operations, virtualization environments, infrastructure expansion projects, backup solutions, and disaster recovery initiatives
• Collaborate with engineering teams and stakeholders on network design, upgrades, documentation, asset management, and infrastructure modernization efforts

Required Qualifications for the Network Engineer Tier 3 include:

• 7+ years of experience supporting enterprise network engineering, administration, and infrastructure operations
• Hands‑on experience with Cisco routing and switching (IOS/NX‑OS), Palo Alto firewalls, VPN technologies, F5 Load Balancers, GTM/Big‑IP DNS, and General Dynamics TACLANE encryption devices
• Strong knowledge of Layer 2 and Layer 3 networking protocols including BGP, VLANs, LACP, LLDP, ARP, DNS, IPsec, TLS/SSL, SSH, 802.1X, and network performance tuning
• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related technical field (or equivalent professional experience)
• Active DOE Q Clearance or Top Secret Clearance

Compensation for the Network Engineer Tier 3 include:

Salary Range: Up to $175,000 depending on experience

Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick Leave as required by law

#LI-JB1

Keywords: Network Engineer, Cisco, Cisco IOS, NX-OS, Palo Alto Firewall, VPN, TACLANE, General Dynamics, F5 Load Balancer, GTM, Big-IP DNS, BGP, LAN, WAN, Layer 2 Switching, Layer 3 Routing, Network Security, Data Center, Infrastructure Engineering, Linux, Unix, Windows, Performance Tuning, Enterprise Networking, Top Secret Clearance, DOE Q Clearance, Firewall Administration, Network Operations, Federal Government, Washington DC, Load Balancing, IPsec, VLAN, DNS, Systems Hardening, Incident Response