Principal Manufacturing Engineer; Onsite

Collins Aerospace, an RTX company, is seeking a Principal Manufacturing Engineer to join our Customer Service Engineering team at our based in Miramar, FL. In this hands‑on engineering role, you'll provide technical leadership and production support for the maintenance, repair, and overhaul (MRO) of electrical power and control systems that keep commercial and military aircraft operating safely and reliably. This position is ideal for an established engineer who enjoys solving complex technical problems on the production floor.

You'll partner closely with technicians, inspectors, quality, operations, and engineering teams to troubleshoot hardware, improve manufacturing and repair processes, optimize testing systems, and drive continuous improvement initiatives that enhance quality, reliability, and customer satisfaction.

• Provide Subject Matter Expert engineering support for production, repair, overhaul, and testing activities within a fast‑paced aerospace MRO environment.
• Troubleshoot complex hardware, manufacturing, and test‑related issues to minimize downtime and improve product flow.
• Support functional testing operations by diagnosing failures, improving test processes, and ensuring the continuous operation and reliability of test equipment.
• Analyze manufacturing and repair processes to identify opportunities for improved quality, efficiency, standardization, and cost reduction.
• Develop, improve, and maintain manufacturing instructions, process documentation, engineering procedures, and technical work instructions.
• Partner with Operations, Quality, Supply Chain, and Engineering teams to resolve technical issues and support customer commitments.
• Monitor material consumption, evaluate repair data, and identify process improvements that enhance operational performance and customer reliability.
• Lead and support Total Productive Maintenance (TPM) activities for production and testing equipment.
• Coordinate with internal engineering teams, equipment vendors, and customers to support equipment upgrades, troubleshooting efforts, and technical issue resolution.
• Lead root cause investigations, corrective actions, and continuous improvement initiatives using Lean manufacturing principles.
• Establish and support the introduction of new repair capabilities, equipment, automation, and process improvements as business needs evolve.
• Mentor junior engineers and provide technical guidance to production teams while fostering a collaborative, customer‑focused work environment.

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.

• Experience supporting aerospace MRO, repair station, or aftermarket operations.
• Experience with electrical power systems, electromechanical assemblies, avionics, and/or aircraft components.
• Functional testing, troubleshooting, and diagnostic experience on production or repair hardware.
• Experience with automated test equipment, test software, or test system integration.
• Experience working with Lean Manufacturing, Six Sigma, Root Cause Analysis, and Continuous Improvement methodologies.

The salary range for this role is 107,500 USD – 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement.

• Medical, dental, and vision insurance
• Three weeks of vacation for newly…