About L3Harris

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 Details

Job Title: Senior Specialist, Systems Engineering

Job Code: 34627
Job Location: Palm Bay, FL
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

Job Description

We are seeking an experienced Senior Specialist Systems Engineer to provide technical expertise in the design, development, integration, and validation of advanced Avionics Systems, focusing on Safety-Critical Display Processing and Secure Mission Processing solutions. In this role, you will help define and architect complex systems that integrate COTS processors, high-performance graphics engines, and custom I/O within modular chassis and backplane designs. Your responsibilities will include requirements decomposition, allocation, and management; developing interface control documents; and ensuring compliance with DO-178C, DO-254, Open Systems Architecture, and Military Standards. You will conduct technical trade studies, support system engineering reviews, and drive requirements-based validation and verification throughout the development lifecycle. Collaboration is essential—you will work closely with customers, program leadership, multi-disciplinary engineering teams, and suppliers to deliver mission-critical and safety-critical capabilities that meet stringent airworthiness and cybersecurity requirements. This position offers the opportunity to contribute to innovative solutions that enable secure, reliable performance in demanding operational environments.

Essential Functions

Provide technical expertise in the design, development, integration, and validation of advanced Avionics Systems.
Focus on Safety-Critical Display Processing and Secure Mission Processing solutions.
Define and architect complex systems that integrate COTS processors, high-performance graphics engines, and custom I/O within modular chassis and backplane designs.
Perform requirements decomposition, allocation, and management.
Develop interface control documents and fulfill Supplier Data Requirements List (SDRL)
Ensure compliance with DO-178C, DO-254, Open Systems Architecture, and Military Standards.
Conduct technical trade studies and support system engineering reviews.
Drive requirements-based validation and verification throughout the development lifecycle.
Collaborate closely with customers, program leadership, multi-disciplinary engineering teams, and suppliers.
Deliver mission-critical and safety-critical capabilities that meet stringent airworthiness and cybersecurity requirements.
Ability to obtain a US Security Clearance

Qualifications

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.

Preferred Additional Skills

Experience in electrical, mechanical, or embedded firmware/software engineering detailed design of custom electronic subsystems
Experience developing technical or cost proposals in a defense contracting environment
Experience with earned value management systems for measuring program performance
Experience developing and maintaining an integrated master schedule
Experience with multi-level security or information assurance requirements

Senior Specialist, Systems Engineering