Precision Mechanical and Vacuum Engineer

4 days ago

Bhopal, Madhya Pradesh, India Bharat Atomic Full time ₹ 20,00,000 - ₹ 25,00,000 per year

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.

Responsibilities

  • Produce complete computer-aided design assemblies, manufacturing drawings, and bill of materials with clear tolerances.
  • Control vibration, drift, and thermal expansion through careful structural layout and material selection.
  • 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.
  • Precision Motion.
    Develop precision motion systems for sample positioning and beam alignment with micron-level stability.
  • Integrate mechanical, electrical, and optical components with correct alignment, grounding, and shielding.
  • Vacuum Systems.
    Design all mechanical systems: vacuum chamber, column supports, sample stage, detectors, lock-lock, and frame.
  • Design for high and ultra-high vacuum: flanges, seals, feedthroughs, viewports, and bake-out strategy.

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.

Preferred Qualifications

  • Experience designing or integrating specimen stage systems for scanning or transmission electron microscopes.
  • Understanding of magnetic shielding and contamination control within electron-optical assemblies.
  • Experience developing vibration isolation structures and managing airflow for mechanically and thermally stable instruments.
  • Proven work with ultra-high vacuum systems used in electron microscopy or related instrumentation.
  • Background in designing complex equipment for semiconductor or biotechnology research environments.

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