Senior Specialist, Systems Engineering (Network Engineering)

About the Role The Sr. Specialist, Systems Engineering (Network Engineering) will deliver advanced engineering support for L3Harris’ next-generation tactical communication solutions. Working directly with customers in operational environments, you’ll provide high-level technical support, system integration, and proactive problem resolution while serving as a key technical liaison back to Systems Engineering, Product Engineering, Product Management, and Sales. What You'll Do

• Provide advanced technical support for tactical communication systems in lab, field, and customer environments.
• Develop SME knowledge on features and use cases of our suite of tactical waveforms.
• 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.
• Apply and support networking technologies including VLANs, redundancy protocols (e.g., VRRP), Routing Protocols and tunneling 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 domestic and internationally approximately 50% of the time. What We're Looking For
• 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 10 years of prior related experience.
• US Government Secret security clearance or ability to obtain.
• Hands-on experience with network tunneling technologies (e.g., GRE, IPsec, ZeroTier or equivalent).
• Fielded Applications (e.g., TAK, ICE, InstantConnect).
• Technical proficiency with wideband networking technologies, including but not limited to ANW2C, Wren-TSM, and Wraith, with a capacity to adapt to new and evolving communication systems.
• Enjoy working with people, developing relationships and sharing knowledge.
• Experience contributing to technical documentation, training, or customer enablement.
• Interest in emerging technologies and contributing to new product capabilities early in their lifecycle.
• Understanding of Tactical Radio Communications, including RF propagation, frequency planning/spectrum management, antenna and system component selection and trade studies.
• Prior Military or worked in a military environment with a working knowledge of military asset use cases, maneuvers, command structures, and signals doctrine. Experience participating in and supporting exercises on military installations, interacting with enlisted and officer personnel.
• Comfortable working in fast-paced, evolving technical environments.
• CCNA Certification(s)
• Strong foundational knowledge of IP networking concepts and protocols.
• Experience integrating and supporting networked systems across wired and wireless environments.
• Working knowledge of routing, switching, and basic network security principles.
• Ability to perform root cause analysis and troubleshoot complex, multi-layer technical issues.
• Direct customer and end-user interaction experience, proven and effective communications skills, interpersonal skills and customer focus are a must.
• Willingness to travel in support of customer engagements and field activities.
• US Government Secret security clearance or ability to obtain. Nice to Have
• Hands-on experience with network tunneling technologies (GRE, IPsec, ZeroTier or equivalent) (if not already required)
• Experience with Fielded Applications (e.g., TAK, ICE, InstantConnect) beyond core requirements.
• Experience contributing to technical documentation, training, or customer enablement.
• Understanding of Tactical Radio Communications and RF propagation.
• Understanding of military exercises and field operations.
• Additional security-clearance or certifications. Compensation & Benefits
• Salary range: $92,500 - $171,500 (USD).
• Benefits: health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays.
• Travel: domestic and international opportunities; dynamic, fast-paced environment.