Senior Tier-3 Network Engineer - Onsite DC - TS/Q Clearance

Zachary Piper Solutions; Washington, Northern (District of Columbia, KY); Hybrid; USD 160,000 - 175,000; Full time

Benefits offered by this job

Health benefits (Cigna)

401K & Holidays

Paid time off

Job summary

Zachary Piper Solutions is seeking a Network Engineer (Tier 3) to support a Department of Energy/NNSA contract. This fully onsite role in Washington, DC requires an active Top Secret/Q clearance and offers a salary range of $160,000–$175,000 with comprehensive benefits.

The engineer will deploy and maintain LAN/WAN infrastructure, enforce security, analyze traffic, and support data center networking and disaster recovery efforts.

Qualifications

• Strong customer service and communication skills.
• Experience with Cisco IOS/NX-OS, Palo Alto firewalls/VPNs, and General Dynamics Taclanes/GEMOne.
• Proficiency in Windows and Unix/Linux systems, network security, traffic analysis, and incident response.
• Solid understanding of Layer 2/3 networking, subnetting, encryption, and communication protocols.
• Must obtain an active Top Secret/Q clearance.

Responsibilities

• Deploy, configure, and maintain LAN/WAN infrastructure including routers, switches, firewalls, VPNs, and load balancers.
• Apply security patches and updates across all network devices and systems.
• Monitor network performance, troubleshoot issues, and optimize for reliability and efficiency.
• Maintain accurate inventory of network hardware/software and manage asset lifecycle.
• Provide technical input during engineering meetings and support network project planning.
• Manage data center networking, assist with virtualization/storage systems, and support infrastructure growth.
• Implement and enforce network security protocols and disaster recovery solutions.
• Collaborate with cross-functional teams to resolve complex technical issues.
• Prepare detailed reports on network performance, incidents, and upgrades.
• Serve as a primary contact for client technical support and issue resolution.

Skills

Cisco IOS/NX-OS

Palo Alto firewalls/VPNs

Taclanes/GEMOne

Windows/Unix/Linux

Network security

Layer 2/3 networking

Subnetting

Encryption

Communication protocols

Customer service & communication

Tools

Taclanes/GEMOne

Cisco IOS/NX-OS

Job description

Zachary Piper Solutions is seeking a Network Engineer (Tier 3) to support a Department of Energy/NNSA contract. This fully onsite role in Washington, DC requires an active Top Secret/Q clearance and offers a salary range of $160,000–$175,000 with comprehensive benefits.

The engineer will deploy and maintain LAN/WAN infrastructure, enforce security, analyze traffic, and support data center networking and disaster recovery efforts.