> Markdown version of [/jobs/ext/1192803-network-engineer-tier-iii](https://www.wearedevelopers.com/jobs/ext/1192803-network-engineer-tier-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer Tier III - **Company:** Zachary Piper - **Location:** Washington, DC, United States - **Salary:** $160,000.0 - $170,000.0 - **Contract:** Permanent contract - **Skills:** Secure Shell (SSH), IEEE 802.1X, Link Aggregation (Ethernet), Microsoft Windows, Address Resolution Protocols, Apple IOS, Backup Devices, Border Gateway Protocol, Communications Protocols, Data Centers, Domain Name System (DNS), Cryptographic Protocols, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Network Layer, Network Planning and Design, Network Forensics, Network Monitoring, Routing, Packet Analyzer, Performance Tuning, Service Pack, Virtual Local Area Networks, Virtualization Technology, Wide Area Networks, Network Routers, Transport Layer Security, Load Balancing, Nx-os, Reliability of Systems, Firewalls (Computer Science), Information Technology, 3-tier Architectures, Cisco, Vulnerability Analysis - **Published:** July 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9013402/network-engineer-tier-iii ## About the Role * Cisco Router and switch configuration (IOS/NX-OS), Palo Alto NextGen Firewall and VPN configuration experience, Experience with General Dynamics Taclanes and/or GEMOne * F5 Load Balancer Knowledge, GTM/Big DNS Knowledge * Technically proficient and experienced with Windows and Unix/Linux operating systems, network security, network traffic analysis, incident response, vulnerability analysis, packet analysis, and systems hardening. * possesses proficient knowledge of layer 2 switching and layer 3 routing protocols, encryption protocols, communication protocols. Examples include but not limited to: TLS/SSL, IPsec, SSH, BGP, VLAN, LLDP, LACP, ARP, 802.1x, DNS, AES, NTP, etc. * Network Design and Implementation, Network Troubleshooting, Network Performance Tuning * Ability to identify, track and complete tasks for multiple projects under prescribed timeframes. * Top Secret Security Clearance ## Description Zachary Piper Solutions is seeking a Tier III Network Engineer to join our team on-site in Washington, D.C. This position is in support of a contract with the Department of Energy and the National Nuclear Security Agency OCIO. The Network Engineer Tier 3 will have an in-depth knowledge of Cisco, Palo Alto, F5 and the maintenance of computer systems and computer environments., * Install, configure, and maintain LAN/WAN infrastructure, including routers, switches, VPNs, firewalls, and load balancers. * Monitor network performance and troubleshoot issues, applying security patches and optimizing systems for reliability and efficiency. * Support network design and project execution, providing technical input and collaborating with cross-functional teams. * Manage network assets and data center infrastructure, including virtualization, storage, and lifecycle tracking. * Implement and enforce security protocols, backup solutions, and disaster recovery plans to ensure system resilience. * Provide client support and documentation, lead or assist in network projects, and stay current with emerging technologies. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [The Overflow: Security and Privacy](https://www.wearedevelopers.com/magazine/715-the-overflow-security-and-privacy)