Electronics Engineer III, Avionics

Standard Job Description 
 Introduction We are seeking an enthusiastic Senior Electronics Engineer to join our fast‑moving Sentinel program. In this role, you’ll dive into the integration, testing, and troubleshooting of cutting‑edge, flight‑critical electronic systems that protect our nation’s safety. You’ll work side‑by‑side with a dynamic, collaborative team of top engineers, leveraging the latest technologies to solve complex challenges and deliver reliable, mission‑essential hardware. If you thrive in a high‑impact environment, love turning intricate problems into elegant solutions, passionate about design and test, and want to make a tangible contribution to national security, we want you on our team!   Location: This position does not support teleworking. You will need to live near our Lockheed Martin Space facility and be expected to work a flexible 9x80 schedule in the office full-time.   What does this role look like? As a Senior Electronics Engineer on the Sentinel program, you will be at the heart of the development and sustainment of mission‑critical flight electronics. Your day‑to‑day responsibilities will include: Test development & execution – designing and implementing hardware‑in‑the‑loop (HIL) and flight‑grade test plans, running automated and manual test campaigns, and analyzing results to validate performance and reliability. Troubleshooting & root‑cause analysis – diagnosing failures in prototype and production units, using tools such as oscilloscopes, spectrum analyzers, and logic analyzers, then developing corrective actions and design improvements. Cross‑functional collaboration – working closely with systems engineers, software developers, mechanical designers, and program managers to resolve integration issues, track schedule milestones, and maintain clear communication across the team. Subcontracts support – travel to work with our subcontractor in support of sensor development and manufacturing. Mentorship opportunity – work closely with top engineers on the team and gaining knowledge that will set you up for future growth opportunities.   Key activities you will accomplish in this role: Develop and execute integration test plans to verify functional performance and environmental robustness. Perform detailed troubleshooting of prototype and flight‑qualified hardware, using diagnostic equipment to isolate root causes and implement fixes in a time-critical environment. Work on a cross-functional team in the development and integration of world class avionics systems. Contribute to continuous‑improvement initiatives, recommending tooling upgrades, process enhancements, and automation to increase test efficiency and product reliability.   To be effective in this role, you will need: Prior experience testing electronics hardware and comfortable using test equipment in a laboratory setting Strong troubleshooting skills with ability to develop complex solutions to complex problems Experienced with designing, simulating, and testing digital, analog, mixed-signal, or system-level hardware Demonstrated good communication with the ability to articulate complex technical issues to peers, management, subcontractors and customers Ability to support domestic travel up to 25% of the time Currently holds an active US Security Secret Clearance   The information below reflects the standard job description for this position:  Researches, designs, develops, and tests a variety of electronic equipment and systems, including radar and radiation detection equipment; radio, television and other communications equipment and systems; circuitry components; analog and digital computers; and control and test equipment. Basic Qualifications 
 BS in Electrical Engineering or Computer Engineering Experience in testing and integration of complex electronics systems Experience with design of digital or analog circuits Experience performing electronics analysis