Senior Specialist, Network Plan Engineer

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Network Engineer  Job Code: 41730 Job Location: Herndon, VA Job Schedule: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off     Job Description: L3Harris is seeking an experienced Network Planning Engineer (NPE) to join our team onsite in Palm Bay, Florida. The ideal candidate will be responsible for the deployment, operation, troubleshooting, and modernization of mission-critical communications systems and network infrastructure in secure environments. This role requires strong technical expertise in network architecture, capacity planning, performance optimization, and integration of enterprise and mission-focused communications systems.   The Network Planning Engineer will work closely with cross-functional engineering team including software, integration, test, cybersecurity, and corporate IT teams to ensure reliable and secure operation of services and applications. The successful candidate must be comfortable operating in highly regulated environments and capable of supporting both strategic planning and hands-on technical execution.   Essential Functions:  Develop, evaluate, and maintain network architecture and planning strategies for secure enterprise and mission networks. Design and recommend network solutions for LAN, WAN, MAN, wireless, and hybrid environments. Analyze network performance and availability metrics to identify risks, constraints, and improvement opportunities. Support the development of implementation, migration, and modernization plans for network infrastructure upgrades. Collaborate with systems engineers, cybersecurity personnel, and program stakeholders to ensure network designs align with security and compliance requirements. Prepare and maintain technical documentation, including network diagrams, design packages, implementation plans, standards, and configuration guidance. Participate in technical reviews, design reviews, and change control processes. Ensure network planning activities comply with applicable customer, government, and organizational standards.  Configure and troubleshoot firewalls, routers, switches, VPNs, and NAT policies. Support integration, test, and deployment activities.

Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 12 years of prior related experience. Must possess an active clearance: TS/SCI Must have or be able to obtain and maintain IAT Level II minimum (Security+ CE, CCNA Security, or equivalent) within 3-months of start.     Preferred Additional Skills:  Hands-on experience with the following: Firewalls Routers Switches VLANs NAT/PAT VPN technologies TCP/IP networking Experience with network segmentation, DMZ/BPZ architectures, and secure enclaves. Experience supporting Department of Defense, Intelligence Community, or other federal government programs. Relevant certifications such as CCNA, CCNP, CCIE, JNCIA, JNCIP, Security+, or similar. Experience with network modeling, simulation, or planning tools. Familiarity with software-defined networking (SDN), network automation, and infrastructure-as-code