Principal Mechanical Design Engineer (Onsite)

RTX•Chula Vista, CA

1d•Onsite

About The Position

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. We are seeking a highly experienced Principal Mechanical Design Engineer to serve as a subject matter expert in structural design and analysis for engine nacelles both in service and under development for future platforms. This individual will lead complex engineering projects, provide technical direction, and mentor junior engineers while driving innovative design solutions that meet performance, safety, and reliability requirements.

Requirements

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
8+ years of experience in mechanical or aerospace design engineering, preferably in propulsion systems or nacelles.
Experience with 3D CAD tools (CATIA V5/V6 preferred; SolidWorks or NX acceptable) and understanding of manufacturing processes.
Experience with GD&T practices, tolerance stack‑ups, root cause analysis, design for manufacturability principles, and relevant aerospace industry standards.
Experience with leading or contributing to Design Failure Mode and Effects Analysis (DFMEA).
Experience with PLM systems (Teamcenter, Enovia, etc.).

Nice To Haves

Excellent communication, leadership, and mentoring skills.
Background in advanced concept development or technology maturation programs.
Demonstrated knowledge of structural principles, materials behavior, and certification requirements.
Proven ability to lead complex technical projects and drive engineering solutions with minimal supervision.
Ability to influence and lead teams with minimal supervision.
Highly organized with strong problem-solving and decision‑making skills.
Self-driven, proactive, and able to manage multiple priorities.

Responsibilities

Serve as the technical authority for structural design topics related to engine nacelles across in-service and new development programs.
Lead and execute complex structural design projects, ensuring compliance with engineering standards, certification requirements, and program objectives.
Develop high-quality 3D models, assemblies, and detailed engineering drawings using advanced CAD tools.
Support the design and development of advanced nacelle structures for future aircraft platforms, including conceptual design, feasibility studies, and technology maturation.
Provide mentorship, guidance, and technical oversight to junior and mid-level engineers, fostering growth and ensuring high-quality engineering output.
Collaborate cross-functionally with Stress, Manufacturing, Supply Chain, Quality, Operations and Program Management teams.
Prepare and deliver technical presentations, reviews, and documentation for internal and external customers.
Identify technical risks and develop mitigation strategies early in the design phase.
Ensure adherence to engineering processes, best practices, and continuous improvement initiatives.

Benefits

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Ovia Health, fertility, and family planning
Adoption Assistance
Autism Benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives, wellness rewards program
Doctor on Demand, virtual doctor visits
Bright Horizons, child and elder care services
Teladoc Medical Experts, second opinion program