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Manufacturing Engineering Supervisor
Diamond FoundryBay Area, California3+ years
Apply Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.
Diamond Foundry is seeking a Manufacturing Engineering Supervisor to own the handoff between Engineering and Production. This role takes processes, tooling, and work instructions developed by our engineering teams and converts them into stable, documented, repeatable manufacturing operations — then holds them there. The Manufacturing Engineering Supervisor leads a small team of engineering technicians, owns the SOP and traveler library for their process areas, and is accountable for yield tracking and the data that drives improvement. This is a hands-on leadership role for someone who is equally credible on the production floor and in an engineering review.
This position will work out of our Fremont location, and it'll be Monday-Friday.Responsibilities
Process Ownership & Engineering Handoff: Serve as the receiving owner for new and revised processes, tooling, and workflows transferred from Engineering, qualifying each handoff against defined acceptance criteria — documentation complete, operators trained, tooling verified, run rate demonstrated — before accepting it into steady-state production. Act as the standing escalation point when a process misbehaves and it is not yet clear whether the issue is equipment, material, method, or execution.
Team Leadership & Development: Supervise, schedule, and develop a team of engineering technicians. Set daily priorities against production demand, manage the technician qualification and cross-training matrix, and build depth so that no process area depends on a single individual.
Yield Tracking & Data Ownership: Own yield and scrap reporting for assigned process areas. Track yield by tool, lot, shift, and defect mode; identify statistically meaningful excursions; drive containment and corrective action; and report performance and trends to Operations and Engineering leadership on a defined cadence.
Documentation & Change Control: Own the SOPs, work instructions, travelers, and process specifications for assigned areas. Author and revise documentation to Diamond Foundry's ISO 9001 standards, route changes through the approval matrix, control revision levels on the floor, and ensure training records stay current against the latest revision.
Continuous Improvement & Safe Process Design: Lead structured improvement activity — cycle time reduction, scrap reduction, ergonomic and layout changes, 5S and Lean practices — using data rather than anecdote to select and validate projects. Ensure every new or modified process is reviewed for chemical, thermal, electrical, and mechanical hazards, and that EHS requirements are enforced within the team and on the floor.
Qualifications
Technical Foundation: Bachelor's degree in Engineering (Mechanical, Industrial, Manufacturing, Materials, or related) with 3+ years of manufacturing experience, or an equivalent combination of technical training and 6+ years of progressively responsible manufacturing engineering / advanced technician experience. Semiconductor, advanced materials, cleanroom, vacuum, or high-temperature process experience strongly preferred.
Leadership & Ownership: Demonstrated experience leading technicians or a small technical team, whether as a direct supervisor or as a technical lead. Proven track record of taking a process from unstable to controlled and keeping it there in a high-growth environment.
Yield Analysis & Data Literacy: Practical command of yield analysis, defect Pareto, root cause methodology (5-Why, fishbone, 8D), and basic SPC, with the judgment to distinguish signal from noise in production data. Proficiency with Google Workspace (advanced Sheets in particular) and Manufacturing Execution Systems (MES) for transaction integrity, traceability, and metric reporting.
Documentation Discipline: Experience authoring and maintaining SOPs, work instructions, and travelers under a controlled documentation system, with working familiarity with ISO 9001 requirements and change control practice.
Communication: Ability to write a clear work instruction, run a productive shift handoff, present yield performance to senior management, and hold a technical disagreement with an engineer without it becoming an organizational problem.
Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. Our benefits begin as early as your first day of employment. Medical and vision coverage are retroactive to your start date, while dental and voluntary benefits take effect once you’ve completed your enrollment.
Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.
Diamond Foundry Inc. is committed to operating in full compliance with all applicable state and federal laws. Our commitment extends to ensuring that our manufacturing and engineering departments adhere to the highest standards of legal and regulatory compliance. Additionally, these departments may have specific physical requirements to ensure the safety and efficiency of our operations. We prioritize the well-being of our employees and strive to create a work environment that promotes both legal compliance and the optimal functioning of our manufacturing and engineering processes.
Manufacturing and Engineering Departments Physical Requirements:
-Use appropriate PPE and follow all safety policies, practices, and procedures.
-This position will often: Sit, stand for long periods, walk, grasp, reach with hands and arms, lift below and above shoulders, bend, twist at the waist, climb, balance, stoop, squat, kneel, crawl, talk, hear, see, use fine finger manipulation, and complete repetitive motions.
-Some tasks may require the use of ladders or stairs
-Some tasks may require driving or the use of foot controls
-Lift/carry and push/pull up to 50 pound
This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment.
Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.