Senior Specialist, Systems Engineering

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 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
• Expertise in Model Based Systems Engineering (MBSE) and Open Systems design
• Experience with Agile software development methods and tools
• Experience building, verifying, and delivering exquisite aerospace custom embedded computing solutions include heterogenous blends of COTS, firmware, and software for a plurality of signal processing chains
• Expert knowledge of data models, hardware/software interfaces, synchronous processing constructs and control methodology, and data interfaces
• Experience in systems engineering, with a focus on avionics or aerospace systems.
• Experience in designing and integrating complex systems involving COTS processors, high-performance graphics engines, and custom I/O.
• Strong knowledge of safety-critical display processing and secure mission processing solutions.
• Experience with requirements decomposition, allocation, and management.
• Proficiency in developing interface control documents.
• Knowledge of compliance with DO-178C, DO-254, Open Systems Architecture, and Military Standards.
• Experience conducting technical trade studies and supporting system engineering reviews.
• Ability to drive requirements-based validation and verification throughout the development lifecycle.
• Excellent collaboration skills, with experience working with customers, program leadership, multi-disciplinary engineering teams, and suppliers.
• Ability to meet stringent airworthiness and cybersecurity requirements.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

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