Precision Mechanical and Vacuum Engineer

1 week ago


Bhopal India Bharat Atomic Full time

Job Description Bharat Atomic exists to build India's first commercial Scanning Electron Microscope (SEM) and, through it, the technical foundations of a real semiconductor-equipment ecosystem. We are designing and manufacturing a Field Emission SEM for sub-nanometer imaging - this will be one of the first high-tech analytical instrument built in the country. You will own the complete mechanical design and all computer-aided design work. This is an instrumentation engineering position requiring precision, vacuum, and integration experience. Responsibility - Design all mechanical systems: vacuum chamber, column supports, sample stage, detectors, lock-lock, and frame. - Produce complete computer-aided design assemblies, manufacturing drawings, and bill of materials with clear tolerances. - Design for high and ultra-high vacuum: flanges, seals, feedthroughs, viewports, and bake-out strategy. - Develop precision motion systems for sample positioning and beam alignment with micron-level stability. - Control vibration, drift, and thermal expansion through careful structural layout and material selection. - Integrate mechanical, electrical, and optical components with correct alignment, grounding, and shielding. - Work directly with in-house equipment on design for machining, welding, finishing, cleaning, and vacuum qualification. - Build and test prototypes; refine designs based on measurement and performance results. Minimum Qualifications - At least 5 years of experience designing precision scientific or semiconductor instruments such as electron microscopes, lithography tools, metrology systems. - Expert user of professional computer-aided design software with strong command of tolerances and geometric dimensioning. - Demonstrated experience designing for high or ultra-high vacuum, including materials, seals, and leak testing. - Experience designing precision motion assemblies using bearings, flexures, piezoelectric or stepper-driven mechanisms. - Ability to perform structural, thermal, and vibration analysis and validate results through testing. - Hands-on experience with prototype fabrication, supplier management, and assembly documentation.



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