Senior Network Engineer Tier 3 On-Site DC

Zachary Piper Solutions; Washington (District of Columbia); On-site; USD 158,000 - 193,000; Full time

Benefits offered by this job

PTO

Paid Holidays

Medical

Dental

Vision

401K

Tuition Reimbursement

Sick Leave

Job summary

Zachary Piper Solutions seeks a Network Engineer Tier 3 to support a federal government-focused enterprise. This on-site position in Washington, DC provides advanced network engineering, security, and data center support across LAN/WAN environments.

The role requires 7+ years of experience, Cisco and Palo Alto firewall expertise, VPNs, F5/LTM, DNS, encryption devices, and a DOE Q or Top Secret clearance. Competitive salary with full benefits and on-site work.

Qualifications

• 7+ years of enterprise network engineering and infrastructure operations experience.
• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field (or equivalent professional experience).
• Active DOE Q Clearance or Top Secret Clearance is required.

Responsibilities

• Install, configure, maintain, and optimize enterprise LAN/WAN networks (Cisco routers/switches, VPNs, load balancers, security appliances).
• Troubleshoot complex network, voice, video, and data service issues and monitor performance.
• Manage network security initiatives including firewall administration, system hardening, patch management, and best practices.
• Support data center operations, virtualization, infrastructure expansion, backups, and disaster recovery.
• Collaborate with engineering teams on network design, upgrades, documentation, asset management, and modernization.

Skills

Cisco routing

Cisco switching

Palo Alto firewall

F5 Load Balancer

BT Big-IP DNS

Education

Bachelor's degree in IT/CS/Engineering or related field

Tools

Cisco IOS/NX-OS

VPN technologies

Palo Alto Firewall

GT M/Big-IP DNS

TACLANE encryption devices

Job description

Zachary Piper Solutions seeks a Network Engineer Tier 3 to support a federal government-focused enterprise. This on-site position in Washington, DC provides advanced network engineering, security, and data center support across LAN/WAN environments.

The role requires 7+ years of experience, Cisco and Palo Alto firewall expertise, VPNs, F5/LTM, DNS, encryption devices, and a DOE Q or Top Secret clearance. Competitive salary with full benefits and on-site work.