People Operations Generalist

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.
We’re looking for a People Operations Generalist to join our growing team and support our expanding workforce across multiple U.S. sites. In this pivotal role, you’ll serve as a trusted partner to employees and managers, guiding benefits, compliance, compensation, and day-to-day HR inquiries. You’ll play a key part in ensuring our programs are competitive, compliant, and aligned with company strategy, while also helping us foster a supportive, people-first culture.
This is an excellent opportunity for someone who thrives in a fast-moving, startup-style environment and enjoys wearing multiple hats across the People function.

Responsibilities

• Support open enrollment along with the administration of employee benefit plans, retirement programs, voluntary elections, and compensation packages.
• Play a key role in day-to-day people operations and serve as a trusted resource for employees and managers.
• Conduct analysis of benefits and compensation programs; assist in program design and strategy.
• Assist with leave of absence administration, immigration cases, maintain accurate employee records, and support HR-related audits.
• Partner with the team to manage and optimize HRIS systems (Rippling experience is a plus) to ensure data accuracy and integrity.

Requirements

• 4+ years of experience in a People Operations or HR Generalist role with strong knowledge of HR principles, practices, and California employment law.
• Excellent communication and interpersonal skills, with the ability to balance empathy with compliance.
• Highly organized with the ability to manage multiple projects and shifting priorities.
• Experience with HRIS and analytics (Rippling experience strongly preferred).
• Strong analytical skills with impeccable attention to detail.