Principal SMT Process Engineer

The Advanced Products Center (APC) Manufacturing Engineering organization is seeking a Principal SMT Process Engineer to join the CCA Process Engineering team in McKinney, Texas. This hands‑on role operates in a fast‑paced, collaborative cleanroom environment, supporting RF microelectronic packaging and surface mount technology (SMT) within our state‑of‑the‑art Microwave Automated Factory (an ISO Class 8 cleanroom environment).

• Provide on‑site support for high‑volume, high‑mix production, addressing factory equipment, processes, materials, and product challenges to ensure efficient operations
• Work hand‑in‑hand with product engineers, quality engineers, reliability engineers, and manufacturing engineers on product manufacturing
• Develop and implement materials, processes, process improvements, and production support using established statistical process control techniques, experimental designs, material analysis, mechanical design analysis, and root cause analysis
• Evaluate materials, equipment and processes (including qualification, acceptance testing, and specification development) and interface with key internal and external suppliers to resolve technical issues
• Lead development, optimization and control of Surface Mount Technology (SMT) processes including paste deposition, paste and epoxy dispensing, pick‑and‑place, reflow and inspection (SPI, AOI and X‑ray)
• Drive yield improvements initiatives using data analysis, Design of Experiments (DOE) and root‑cause methodologies
• Collaborate with Design and Product Engineers to provide Design for Manufacturability (DFM) feedback and ensure robust product designs
• Support new product builds, often using automated equipment, and develop innovative solutions for next‑generation product designs
• Drive process improvement projects to enhance factory productivity by integrating new technologies, qualifying new materials, and optimizing workflows
• Evaluate, select, and integrate capital equipment to meet both current production demands and future business needs
• Communicate technical information effectively across cross‑functional teams to ensure alignment and successful execution of initiatives
• Mentor and coach junior engineers and technicians; act as a subject matter expert (SME)
• Spend up to 6+ hours per day in a cleanroom environment, adhering to cleanroom protocols and electrostatic discharge (ESD) procedures
• Work primarily during the day shift (start time between 6AM and 9AM) with the potential for a 9/80 schedule (9 days over 2 weeks)

• Minimum of 8 years of prior relevant experience and a bachelor’s degree in Science, Technology, Engineering or Math (STEM)
• 5+ years of experience in Surface Mount Technology (SMT) manufacturing/process engineering
• Experience with high‑reliability manufacturing environments (aerospace, defense, medical, automotive)
• Six Sigma Black Belt or Green Belt certification preferred
• Proficiency in Statistical Process Control (SPC), data analysis, Design of Experiments (DOE) techniques and Root Cause Corrective Action (RCCA) experience
• Ability to identify key process parameters, implement process control and solve problems using a data‑driven approach
• Proficient in technical writing for operator instructions, process and material qualification reports, and equipment vendor statements of work
• Proven ability to lead projects, direct activities, and drive results

• 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
• Relocation assistance is not available

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 is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.