Principal SMT Process Engineer

Principal SMT Process Engineer – Advanced Products Center (APC) Manufacturing Engineering.

Location:

McKinney, Texas, USA. Work onsite in a cleanroom environment (ISO Class
8). Salary range USD 107,500 – 204,500.

• 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, quality, reliability, and manufacturing engineers on product manufacturing.
• Develop and implement materials, processes, process improvements, and production support using statistical process control, experimental designs, material analysis, mechanical design analysis, and root cause analysis.
• Evaluate materials, equipment and processes (qualification, acceptance testing, specification development) and interface with internal and external suppliers to resolve technical issues.
• Lead development, optimization, and control of Surface Mount Technology (SMT) processes: paste deposition, paste and epoxy dispensing, pick‑and‑place, reflow, and inspection (SPI, AOI, X‑ray).
• Drive yield improvement 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 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 (6AM‑9AM).

• Bachelor’s degree in Science, Technology, Engineering or Math (STEM) and a minimum of 8 years of prior relevant experience.
• 5+ years of experience in Surface Mount Technology (SMT) Manufacturing/Process Engineering, preferably in high reliability manufacturing environments (aerospace, defense, medical, automotive).
• Six Sigma Black Belt or Green Belt certification preferred.
• Proficiency in Statistical Process Control (SPC), design of experiments (DOE), and root cause corrective action (RCCA).
• Strong problem‑solving skills using data‑driven approaches and experience identifying key process parameters.
• Proficiency 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.

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value safety, trust, respect, accountability, collaboration, and innovation. This role offers competitive compensation, comprehensive medical, dental, vision, and life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, employee assistance program, parental leave, paid time off, holidays, and potential incentive compensation programs based on performance.

Relocation assistance is not available.

This is a U.S.

-based role. 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.

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. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section
503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.