Senior Engineer, Mechanical Engineering

Location & Role Type

McKinney, TX – Onsite role. First shift (7‑9am start) Monday–Friday with occasional weekend support. No relocation assistance.

• Evaluate test results of complex test equipment and determine root causes of failures.
• Give directions for reworking and retesting failed assemblies.
• Track trends to detect systemic problems across Electro‑optical Infrared (EOIR) system variants.
• Collaborate with manufacturing engineering, factory operations, and quality engineers to develop improvements in yields, test procedures, and cycle time.
• Provide technical expertise and troubleshoot test equipment issues, including optical and mechanical equipment.
• Investigate failure trends, perform root‑cause analysis, and implement corrective and preventive actions.
• Perform hands‑on troubleshooting of optical and mechanical equipment and support daily factory needs to maintain equipment uptime.
• Carry out preventative maintenance and resolve test equipment failures.
• Participate in initiatives focused on reducing cycle time, minimizing touch time, and optimizing overall production costs.
• Collaborate with cross‑functional teams to address technical challenges in production and operate standard electrical equipment (oscilloscopes, function generators, power supplies, etc.).
• Engage with suppliers for test equipment purchases and troubleshooting.
• Carry out tasks with minimal supervision.

• Bachelor’s degree in Science, Technology, Engineering or Math (STEM) and minimum of 5 years of relevant experience.
• Experience reading drawings, datasheets, and system specifications.
• Minimum 2 years of hands‑on experience maintaining/repairing test equipment and troubleshooting test equipment issues.
• Minimum 2 years experience working in a factory environment.
• U.S. citizenship required.

• Experience designing experiments to troubleshoot failures or investigate production issues such as Root Cause Corrective Action (RCCA) investigations.
• Hands‑on experience building or reworking/repairing using mechanical assembly hand tools (e.g., socket set, ball drivers, torque wrench).
• Basic mechanical engineering knowledge of mechanisms (gears, actuators, etc.).
• Familiarity with fiber optics, experience performing optical alignments, and maintaining optical test equipment including calibration.
• Basic electrical engineering knowledge such as Op‑Amps, multiplexers, ADC/DA, etc.

• Salary range: $86,800 - $165,200 USD.
• Medical, dental, vision, life insurance, short-term and long-term disability.
• 401(k) match, flexible spending accounts, and flexible work schedules.
• Employee assistance program, employee scholar program, parental leave, paid time off, and holidays.

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.