Principal Mechanical Engineer

This position is a Principal Mechanical Engineer within the Electronic Warfare Mechanical Design Hardware Department. It is an onsite role located in Goleta, CA. A U.S. citizen with an active DoD Secret clearance is required and the clearance must be maintained after day 1.

• Lead the mechanical development of airborne RF and digital electronics subsystems from concept through production.
• Serve as the mechanical technical authority (REA/IPTL) on assigned programs, ensuring alignment to technical, cost, and schedule objectives.
• Own subsystem‑level mechanical solutions, ensuring performance in demanding thermal and high‑vibration environments.
• Collaborate cross‑functionally with Electrical, Systems, Manufacturing, and Supply Chain teams to deliver integrated hardware solutions.
• Represent the mechanical discipline in internal and external design reviews and customer engagements.
• Mentor and provide technical guidance to junior engineers across the matrixed team.
• Support hardware integration, verification, and production readiness activities within secure program environments.

• Degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years of relevant experience, or an advanced degree with minimum 5 years.
• Experience designing and developing electronics packaging solutions for high‑reliability systems.
• Experience applying GD&T and American Society of Mechanical Engineers (ASME) drawing standards to production hardware.
• Experience with 3D solid modeling tools (Creo/Pro/Engineer or similar).
• Experience supporting hardware through environmental qualifications (vibration, shock, thermal).

• Experience with Electronic Warfare, radar, RF subsystems, or airborne electronics.
• Experience serving as a subsystem lead, REA, IPTL, or similar technical authority role.
• Experience with thermal and structural analysis methods for electronics hardware.
• Experience with CCA/PCB integration, cabling and harness design, or RF isolation features.
• Experience managing cost and schedule elements of engineering scope (EVM exposure).
• Experience supporting design reviews (PDR, CDR, TRR) and presenting technical data to customers.
• Experience developing proposals, including Basis of Estimates (BOEs) or technical volume contributions.
• Experience performing root cause investigations and implementing corrective actions in production environments.

• Salary range: $118,300–$224,900 USD (baseline estimate).
• Relocation eligible.
• Benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, employee assistance program, Employee Scholar Program, parental leave, paid time off, holidays, and more (specific to business unit).
• Potential eligibility for annual short‑term and/or long‑term incentive compensation programs.
• Work primarily onsite in Goleta, CA.
• Security clearance is required for this role.

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.