Network Engineer III

The Network Engineer III supports the implementation, maintenance, and troubleshooting of enterprise network infrastructure for the program. This role ensures reliable connectivity across LAN/WAN environments and collaborates with senior engineers on network design and optimization. The position requires strong networking fundamentals and a hands-on approach to supporting production environments. SUMMARY OF ESSENTIAL JOB FUNCTIONS: Support implementation, maintenance, and troubleshooting of enterprise network infrastructure Configure and maintain routers, switches, and firewalls across multi-vendor environments (e.g., Cisco, Juniper) Monitor network performance and availability; identify and resolve connectivity, latency, and packet loss issues Implement and support VLANs, routing protocols (OSPF, BGP), and basic network security controls Troubleshoot LAN/WAN network incidents; perform root cause analysis and document resolutions Collaborate with cross-functional teams on network changes, upgrades, and infrastructure projects Travel to remote locations to lead network installations and perform independent troubleshooting Provide status updates to program personnel Support activities outside standard business hours, including evenings and weekends, as needed Perform additional tasks as required by the program REQUIRED SKILLS AND EXPERIENCE: CCNA or JNCIA certification required within 30 days of start Hands-on experience with network design, development, and testing methodologies Understanding of OSI Model and TCP/IP Experience with routing protocols such as BGP and OSPF Network traffic analysis, diagnostics, and troubleshooting skills Firewall experience (Juniper, Fortinet, Palo Alto) Experience with UDP multicast, SONET, MSPP, VLANs, GRE tunnels, and TCP/IP network designs Experience with multi-vendor routing and switching (Cisco, Juniper), WAN optimization, TACLANEs, and optical transport equipment Strong communication skills, including writing and presentation using Microsoft Office tools (PowerPoint, Visio) PREFERRED QUALIFICATIONS CCNP or JNCIP CertificationFoundation NSX, vSAN, and Aria Experience with network automation using Ansible Understand standard DOD security practices such as, STIG compliance and system accreditation implementation efforts. EDUCATION: Bachelors with 3+ or Master with 1+ Years of Experience CLEARANCE REQUIRMENT: Secret SALARY RANGE: $105,000 to $125,000 PHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform these functions. While performing the duties of this job, the employee is regularly required to: Remain in a stationary position for extended periods of time. Operate a computer, keyboard, and other office equipment using hands and fingers. Communicate effectively in person, over the phone, and through electronic means. Occasionally move about the office to access files, office equipment, and meeting spaces. Lift and/or move up to 15 pounds as needed. Maintain specific vision abilities, including close vision and the ability to adjust focus. WORK ENVIRONMENT: This position is performed within a secure, classified workspace. Employees must comply with all applicable security protocols and access control procedures, including restrictions on personal electronic devices and the handling of sensitive information. #J-18808-Ljbffr