Network Engineer - Tier III (Top Secret/TS/SCI Clearance) with Security Clearance

Zachary Piper Solutions is seeking a Tier III Network Engineer to support a contract with the Department of Energy and National Nuclear Security Agency OCIO. The Tier III Network Engineer is a fully on-site position at their headquarters in Washington, DC. This role requires an Active Top-Secret (TS/SCI) Clearance for consideration. Responsibilities of Network Engineer - Tier III: Deploy, configure, and enhance LAN and WAN network infrastructure, including routers, switches, VPN solutions, load balancers, and security appliances. Apply security patches promptly to network devices, ensuring compliance with industry standards for routers, switches, voice, video, and security systems. Continuously assess network performance using advanced monitoring tools, diagnose connectivity issues, and implement optimizations for maximum efficiency. Keep an accurate and updated inventory of all networking assets, including hardware and software components, while managing their lifecycle effectively. Offer technical insights, architectural suggestions, and expertise during engineering discussions to support network development and upgrades. Oversee data center network operations, coordinate with teams on infrastructure growth, and assist with storage and virtualization solutions. Qualifications of the Network Engineer - Tier III: Expertise in configuring and managing Cisco routers and switches using IOS/NX-OS, Palo Alto NextGen Firewall, and VPN solutions along with experience working with General Dynamics Taclanes and GEMOne In-depth knowledge of F5 Load Balancers, including GTM and Big DNS Extensive technical experience with Windows, Unix, and Linux operating systems, as well as network security, traffic analysis, incident response, vulnerability assessments, packet inspection, and system hardening. Solid understanding of Layer 2 and Layer 3 networking concepts, encryption mechanisms, and various communication protocols such as TLS/SSL, IPsec, SSH, BGP, VLAN, LLDP, LACP, ARP, 802.1x, DNS, AES, and NTP. Must hold Active Top Secret (TS/SCI) Clearance Compensation of the Network Engineer - Tier III: Salary between 150,000 - $175,000 commensurate of experience Comprehensive Benefits: Full Medical, Dental & Vision Insurance, 401k, PTO (Paid Time Off), Paid Holidays, Sick leave as required by law This job opens for applications on 05/16/2025. Applications for this job will be accepted for at least 30 days from the posting date.