Associate Director, Human Resources

Slingshot Biosciences is a fast-growing life sciences company with a platform technology and paradigm-shifting mission to make precision-engineered cell mimics the gold standard for all cell-based assay controls.

Compensation

controls, ViaComp® cell health controls, and FlowCytes® instrument controls. Our TruCytes cell mimics precisely replicate real cells’ optical and biochemical properties - without the sourcing, quality, or cost challenges of traditional controls. Trusted in cell-based applications across cell therapy, drug development, and diagnostics, they empower process and analytical development, quality control, potency assessments, multi-site validations, clinical research studies, and assay development and validation.

Slingshot is seeking motivated, creative team members who think outside the box. We empower employees to own their work, contribute ideas quickly, and improve processes. Come join our cross-disciplinary and world-class team that is delivering game-changing solutions for cell-based applications!

Reporting directly to the CEO, the Associate Director of Human Resources serves as the sole HR leader and a trusted member of the executive leadership team.

design to compliance,

, and risk management. Partner with the CEO and board on headcount planning and organizational restructuring, including communication strategy and change management execution. Advise functional leaders (Sales, R D, Operations, G A) on employee relations, performance management, and talent development.

Talent Acquisition Onboarding Own end-to-end recruiting across all functions, including job description development, sourcing strategy, interview coordination, offer preparation, and ATS management (Greenhouse). Partner with external recruiting firms and manage agency relationships to support high-priority searches. Design and execute inclusive, high-quality onboarding experiences; manage background checks, I-9/E-Verify compliance, and new hire systems setup.

,

philosophy and leveling framework, benchmarking against market data. Develop and present offer letters, merit adjustment letters, and promotion documentation with defensible, board-ready language.

Benefits

, and HRIS infrastructure. The ideal candidate is an experienced, execution-oriented HR professional who thrives in ambiguity, operates with the discipline of a department of one, and is capable of advising the CEO and executive team on workforce strategy while simultaneously managing day-to-day HR operations. Learn more about Slingshot and what we do: See what Cell Mimics can do About Slingshot Biosciences Location : Emeryville, CA.

This position requires on-site daily in Emeryville, California.

Total Rewards Maintain and evolve the company’s

administration in partnership with our

broker (Sequoia); evaluate plan competitiveness and manage carrier relationships. Oversee equity program administration and support annual merit, bonus, and equity cycles. HRIS, Operations Compliance Own HRIS strategy and administration; currently leading migration from Rippling to NetSuite SuitePeople HR in partnership with Finance and Operations.

administration, I-9/E-Verify) as the HRIS stack evolves.

Responsibilities

Strategic HR Partnership Organizational Design Serve as primary People HR Business Partner to the CEO and C-suite, advising on workforce strategy, organizational design, performance,