Senior Specialist, Systems Engineering (Network Engineering)

L3Harris Technologies•City of Rochester, NY

11d•$92,500 - $171,500•Onsite

About The Position

L3Harris is seeking a Sr. Specialist, Systems Engineer to join the ACES team and support the delivery, integration, testing, and operational success of advanced tactical communication systems. This role represents L3Harris products in customer and operational environments and serves as a key technical liaison across customers, Systems Engineering, Product Engineering, Product Management, Program Management, and Sales. This is an ideal opportunity for a hands-on engineer who thrives in field and customer-facing environments, can solve complex system issues under real-world conditions, and can translate technical findings into clear, actionable input for internal teams. The Sr. Specialist engineer is expected to operate with strong technical ownership, independent judgment, and a high level of customer focus.

Requirements

Bachelor’s Degree in Engineering, Computer Science, Information Technology or related technical discipline with a 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.

Nice To Haves

Experience with tactical waveforms (ANW2C, WREN-TSM, Wraith & HF), mission command integration, and fielded communication planning applications.
Experience with test execution, defect isolation, and feature validation in hardware/software systems.
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.
Prior Military or worked in a military environment
CISCO CCNA Certification or above
Demonstrated hands-on experience with system integration, technical troubleshooting, and issue resolution in mission-focused environments.
Experience supporting customer-facing engineering efforts with strong communication and interpersonal skills.
Working knowledge of tactical radio and wireless communication systems.
Foundational networking proficiency (IP addressing, routing concepts, subnetting, and common diagnostic tools).
Proven ability to work independently in fast-paced, evolving operational settings.
Ability to obtain and maintain a U.S. Government Secret security clearance.

Responsibilities

Serve as a customer-facing systems engineer supporting new product delivery, operational readiness, and field success.
Provide technical support for tactical communications systems in lab, field, and customer environments.
Develop and maintain subject matter knowledge of tactical waveform features and operational use cases.
Perform hardware and software system integration for tactical communication solutions.
Execute advanced feature testing, validate system behavior, and document results.
Troubleshoot system and connectivity issues, including network diagnostics and traffic-flow verification.
Manage and resolve customer technical issues and escalations in coordination with engineering support teams.
Communicate relevant technical and operational information between customers and internal stakeholders.
Create clear technical documentation, lessons learned, and support/training content for internal and external users.
Provide product feedback and field insights to support continuous improvement of capabilities and usability.
Travel domestically and internationally (up to approximately 30%) to support customer events, test activities, and system demonstration.