Network Planning Engineering - Cleared Contractor - L5

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Role/Level: Network Planning Engineer (NPE) 5

Target L3H Salary: $150,000/ Year

Start Date: Aug

Clearance: TS SCI

Location: Herndon, VA ONSITE

Schedule: 9/80



Job Description:

L3Harris is seeking an experienced Network Planning Engineer (NPE) to join our team onsite in Herndon, VA. The ideal candidate will be responsible for planning, designing, analyzing, and supporting complex network infrastructures 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, operations, cybersecurity, and program teams to ensure network solutions meet performance, security, scalability, and mission requirements. 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.
Perform capacity planning, traffic analysis, network modeling, and forecasting to support current and future operational requirements.
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.
Evaluate emerging technologies and provide recommendations for network enhancements, resiliency improvements, and lifecycle sustainment.
Support troubleshooting and root cause analysis for network-related issues affecting performance, interoperability, and reliability.
Participate in technical reviews, design reviews, and change control processes.
Ensure network planning activities comply with applicable customer, government, and organizational standards.
Provide technical guidance and mentorship to junior engineers and support staff as needed.




Qualifications:

Bachelor s Degree and minimum 8 years of prior relevant experience. Graduate Degree and a minimum of 6 years of prior related experience. In lieu of a degree, minimum of 14 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+ Client, CCNA Security, or equivalent) within 3-months of start.
Work is 100% on-site and cannot be accomplished remotely.




Preferred Additional Skills:

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 concepts.
Knowledge of cloud networking architectures and hybrid cloud connectivity.
Understanding of zero trust architecture principles and secure network design methodologies.
Experience with monitoring and management tools for fault, performance, and configuration management.
Demonstrated ability to lead network modernization or infrastructure refresh initiatives.
Experience mentoring junior engineers and contributing to engineering process improvements.


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