Specialist, Systems Engineering; Network Engineering

L3

Harris 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. L3

Harris 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.

L3

Harris 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.

The Specialist plays a critical role in delivering advanced engineering support for L3

Harris’s next-generation tactical communications solutions. In this role, the Specialist works directly with customers in operational environments to provide high-level technical support, system integration, and proactive issue resolution. The position also serves as a key technical liaison to the ACES team, Product Engineering, Product Management, and Sales.

This role is well-suited for technically strong, hands-on engineers who enjoy solving complex networking problems, working close to real-world deployments, and contributing to the evolution of innovative tactical systems.

The successful candidate will support, integrate, and troubleshooting wired and wireless networked systems, with a strong emphasis on IP-based networking, routing, and tunneling technologies. In addition to incident response, the role includes proactively identifying risks, improving configurations, and sharing knowledge across teams to drive continuous improvement and customer success.

• Provide advanced technical support for tactical communication systems in lab, field, and customer environments
• Manage and resolve complex customer incidents and technical escalations
• Perform hardware and software system integration of wired and wireless network solutions
• Design, configure, and troubleshoot IP-based network architectures using fielded tactical radio solutions.
• Proactively identify potential system or network issues and recommend preventative or corrective actions
• Serve as a technical liaison between customers, Product Engineering, Program Management, and Sales
• Accurately document findings and contribute to internal knowledge sharing, training materials, and best practices
• Support continuous improvement by providing customer feedback and operational insights to product teams
  
  Travel - 35% or more
• Strong foundational knowledge of IP networking concept and protocals
• Working knowledge of routing, switching, and basic network security principles
• Ability to perform root cause analysis and troubleshoot complex, multi-layer technical issues
• Strong communication and interpersonal skills with the ability to work directly with customers
• Willingness to travel in support of customer engagements and field activities

• Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.

• Experience supporting tactical, RF, or mission-critical communication systems
• Technical proficiency with wideband networking technologies, including but not limited to…