Sr Mechanical Engineer - Electronics Packaging

Location Tucson, AZ Security Clearance U.S. citizenship is required to obtain a DoD Secret clearance prior to start date. Ability to obtain an interim clearance is also required. Salary $86,800 - $165,200 USD (estimated). Relocation Eligible. Responsibilities Serve as the mechanical engineer to support documentation, mechanical, environmental, structural, and thermal aspects of different stack configurations. Contribute to a small team of mechanical production REAs supporting mechanical production and development efforts, ensuring technical excellence and alignment with program objectives. Oversee and manage all mechanical, slice, and stack TDP configuration changes, ensuring updates address producibility improvements, yield optimization, and design enhancements. Lead efforts to analyze and incorporate producibility updates into designs to improve manufacturing efficiency and reduce production defects. Support failure investigations, conducting root cause analyses and implementing corrective actions to resolve systemic mechanical issues. Provide technical guidance on mechanical design, analysis, and integration challenges, ensuring compliance with program requirements and performance specifications. Drive design for manufacturability (DFM) practices and lead efforts to identify and implement cost‑saving opportunities in mechanical assemblies. Collaborate with cross‑functional teams, including systems engineering, quality, and supply chain, to resolve mechanical engineering challenges and ensure seamless integration of stack configurations. Provide oversight and review of hardware performance during environmental testing, including structural and thermal analysis, to ensure compliance with design requirements. Maintain and update mechanical TDPs, processing engineering change requests such as IRs, CNs, SRs, and variances to ensure accurate and current documentation. Maintain a positive attitude toward mentoring by experienced technical team members and subject matter experts. Must Have Qualifications Bachelor’s Degree in STEM and a minimum of 5 years of relevant experience, or an advanced degree with at least 3 years of experience. Five years’ experience in mechanical design and design documentation. Experience with 3D CAD tools (modeling and drawing). Experience with Geometric Dimensioning & Tolerancing (GD&T) per ANSI Y14.5. Experience with packaging of electronics assemblies. Experience with environmental testing and hardware performance validation, including structural and thermal analysis. Ability to obtain and maintain a U.S. security clearance. U.S. citizenship required. Preferred Qualifications Strong interpersonal and communication skills, both verbal and written. Experience in mechanical sub‑systems packaging, materials, interconnects, or large assembly development. Experience managing engineering change processes, including IRs, CNs, SRs, and variances. Proficient in Creo (modeling and drawing) and Windchill (PDM). Strong understanding of DFM and DFP principles. Active DoD issued security clearance. Experience working in the aerospace and defense industry. Advanced degree in an engineering discipline. Benefits 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. Annual short‑term and/or long‑term incentive compensation programs (dependent on level and collective‑bargaining agreement). Equal Opportunity Employer 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. #J-18808-Ljbffr Prattwhitney