Senior Process Manager — Single-Crystal CVD Diamond Growth
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Senior Process Manager — Single\-Crystal CVD Diamond Growth
Company: KK Exports
Location: Surat, India (on\-site)
Job Type: Full\-time, Senior level
Reports to: Senior Engineering Leadership
About the role
KK Exports is building a world\-class single\-crystal CVD diamond growth operation and is hiring a Senior Process Manager to own day\-to\-day reactor operations, material output, and process performance. This is a hands\-on technical leadership role for an engineer who thrives on the shop floor, takes personal responsibility for the single\-crystal diamond coming out of the reactors, and wants a meaningful R\&D component in their week. You will translate growth specifications from senior engineers into stable, repeatable, high\-quality single\-crystal production, and dedicate roughly a quarter of your time to development work that pushes the process forward.
Responsibilities
Process ownership (≈ 75%)
* Own single\-crystal CVD diamond growth recipes, reactor operation, and run\-to\-run consistency * Implement specifications and growth protocols defined by senior engineers, and drive them to repeatable production * Take personal responsibility for crystal quality, growth rate, sector control, and process performance metrics * Lead substrate preparation, seed handling, in\-run monitoring, and post\-growth inspection workflows * Coordinate with maintenance, gas handling, and metrology teams to keep reactors in spec * Diagnose excursions and lead root\-cause analysis on defects, inclusions, twinning, color, and yield loss * Maintain rigorous process documentation, run logs, and traceability for every stone produced * Mentor and supervise process engineers, technicians, and operators
R\&D (≈ 25%)
* Design and execute development experiments: nitrogen/oxygen chemistry tuning, temperature and pressure regimes, seed selection and preparation, step\-growth strategies, multi\-cycle growth * Collaborate with senior engineers on reactor design improvements and next\-generation growth campaigns * Characterize material (Raman, PL, FTIR, birefringence, UV\-Vis, optical microscopy) and tie results back to process parameters * Contribute to internal IP development and technical reporting
Required qualifications
* Bachelor’s, Master’s, or PhD in Chemical Engineering, Materials Science / Materials Engineering, or Mechanical Engineering * Minimum experience: * 10\+ years with a Bachelor’s degree, or * 5\+ years with a Master’s or PhD * Demonstrated hands\-on experience running production or pilot\-scale process equipment (plasma, vacuum, thermal, or deposition systems) * Strong grasp of process control fundamentals: DOE, SPC, root\-cause analysis, yield management * Comfortable on the shop floor — this is not a desk role * Strong written and spoken English; able to communicate clearly with international engineering partners * Willingness to be on\-call for critical runs and to support extended hours during development campaigns
Strongly preferred
* Direct background in single\-crystal CVD diamond growth (microwave plasma CVD) * Master’s or PhD with a thesis in diamond, wide\-bandgap single\-crystal materials, or plasma processing
What success looks like in this role
* Reactors run on spec, with documented recipes and predictable yields of high\-quality single\-crystal diamond * Clear ownership of material performance — crystal quality is traceable and improving quarter over quarter * Junior engineers and operators are trained, capable, and accountable * The R\&D pipeline produces real process improvements that make it into production
What we offer
* Senior technical leadership role in a fast\-growing deep\-hardware operation * Direct involvement in scaling a single\-crystal CVD diamond business from pilot to production * Significant autonomy and ownership over the process * Compensation commensurate with experience and degree level * Collaboration with an international engineering team
How to apply
Submit your CV along with a brief technical summary (1–2 paragraphs) describing a single\-crystal growth process (or comparable precision process) you owned end\-to\-end: what the specifications were, what went wrong at least once, and how you brought it under control. Publications, patents, or characterization data samples (suitably redacted) are welcome.
Pay: Up to ₹1,000,000\.00 per month
Work Location: In person
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