Sr Mechanical Engineer, Hardware Simulation

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and Med Tech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.

R&D Product Development

Robotics

Scientific/Technology

Santa Clara, California, United States of America

Fueled by innovation at the intersection of biology and technology, we’re developing the next generation of smarter, less invasive, more personalized treatments. Your unique talents will help patients on their journey to wellness.

The Senior Mechanical Engineer will work with other members of the Robotics and Digital Solutions team to analyze complex mechanisms, simulate structural but lightweight assemblies, motor driven actuators, and motion transmissions. This role is responsible for simulation analysis through conceptual and detailed FE analysis, related documentation, and design specifications. Your work will be focused on deriving and simulating innovative designs based on user needs and product requirements!

Key team interfaces include electrical engineering, robot controls, system integration, testing, external vendors, and internal manufacturing groups.

You will contribute to the development of a complex robotic medical platform. For a self‑motivated individual, this is a unique opportunity to jump into the middle of a fast‑paced environment passionate about quantitative results and delivery of a platform that exceeds expectations.

• Expertise in Finite Element Analysis and knowledge of Computational Fluid Dynamics (CFD). Proficiency in applying advanced mathematical concepts to analyze and optimize detailed mechanisms, including thermal management aspects.
• Build FEA models from scratch, working alongside design engineers across multiple subject areas.
• Conduct thermal analysis applying heat transfer concepts to simulation models to assess thermal performance during the design and development phase.
• Provide hands‑on troubleshooting, process, and engineering assistance in support of a rapid development cycle.
• Proven track record of matching structural and thermal simulation results to real world testing.
• Strong understanding of vibration analysis, including modal analysis, modal testing, and dynamically induced vibration analysis.
• Consistent track record of using simulation to propose solutions to electro‑mechanical systems.
• Lead teams of designers and engineers to accomplish larger project goals.
• Design safe, robust, and reliable solutions utilizing engineering methods with good documentation processes and releasing design documentation through an ECO process.
• Excellent documentation practices with the ability to convey data in a meaningful way.
• Ability and willingness to work through all phases of product development from conceptualization to production.
• Must be capable of working independently and in cross departmental engineering teams.
• Be a positive, collaborative team member with a good honest work ethic.

Education, Background, and Experience to be successful in this role:

• MSME or similar required with 2 years proven experience building complex simulation models with ANSYS. Background in robotics or medical capital equipment desired.
• Proficiency with various simulation types: static, dynamic, linear and non‑linear analysis on assemblies ranging from 3 to 60 parts.
• Demonstrated excellence in the simulation of motors, gears, lead‑screws, splines, cams, linear guides, belts, bearing & pulleys.
• Understanding of how to craft static, quasi‑static and explicit dynamic models.
• Mechanical analysis experience including statics, dynamics, kinematics, thermal management and stress analysis.
• Proven experience understanding manufacturing processes such as machining, sheet metal, casting, injection molding, and 3D printing.
• Capable…