HR Business Partner

Periodic Labs is an AI and physical sciences company focused on accelerating breakthroughs across various domains. They are seeking their first HR Business Partner to partner with technical leaders and build high-performing teams while navigating complex people challenges.

Responsibilities:

• Serve as the embedded HRBP for business, engineering and lab teams, building trusted relationships across disciplines
• Partner with people managers on performance management, compensation calibration, career development, and organizational design as the company scales
• Lead employee relations work with professionalism and sound judgment — handling sensitive situations, investigations, and manager coaching with discretion
• Support the design and execution of performance review cycles, promotion frameworks, and leveling guides suited to a technical and scientific workforce
• Work closely with recruiting to shape workforce planning, headcount prioritization, and organizational design
• Identify and address retention risks proactively, partnering with leadership to build engagement and career pathing frameworks that match the ambition of our team
• Design and iterate on onboarding programs that integrate new engineers and scientists quickly into the Periodic Labs culture and way of working
• Help build and operationalize people programs from scratch — from manager training and feedback culture to compensation bands and career ladders
• Advise on org design and team structure as we grow, including when and how to add management layers, form new functions, and scale specialized teams
• Use people data and analytics to surface insights and drive evidence-based decisions on headcount, attrition, and team health