HR Administrator

HR Administrator

Reporting directly to the CEO, the HR Administrator is the on-site HR and operations resource at Slingshot, keeping day-to-day people and workplace operations running smoothly. This role administers benefits and HRIS processes, maintains accurate employee records, coordinates offboarding, supports compliance, manages office facilities and vendor relations, and runs the logistics behind performance and engagement programs. Working alongside an external HR consultant and the Legal team, the HR & Office Administrator handles routine HR and office management matters directly and escalates complex or sensitive issues. The ideal candidate is organized, detail-oriented, and dependable, with a strong service mindset and the discretion to handle confidential information.

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About Slingshot Biosciences

Location: Hybrid; 4 days per week onsite in Emeryville, CA HQ.

Responsibilities

Benefits, HRIS & Offboarding Administration

• Administer day-to-day benefits, including enrollments, employee questions, and qualifying life event processing, through the benefits administration platform and in partnership with the benefits broker and carriers.
• Support annual open enrollment logistics and employee communications.
• Maintain accurate employee records in the HRIS, process employee data changes, and run routine reports for Finance and leadership.
• Communicate payroll-impacting changes, such as benefit elections, status changes, and terminations, to Finance accurately and on time.
• Coordinate employee offboarding, including termination checklists, HRIS and benefits platform updates, carrier terminations, COBRA notifications through the third-party administrator, and exit paperwork.
• Coordinate with the employer of record (EOR) on records and changes for internationally based employees.

Employee Relations & Compliance Support

• Serve as the first point of contact for routine employee questions about HR policies, benefits, and processes.
• Escalate employee relations matters and complex or sensitive issues to the external HR consultant or Legal, and maintain confidential documentation.
• Maintain required federal and California labor law postings and track completion of California harassment prevention training.
• Maintain audit-ready HR documentation in support of compliance with California, federal, and applicable employment law requirements.

Performance Management & Employee Experience

• Administer performance review cycle logistics, including scheduling, tracking completion, and answering manager process questions.
• Distribute Employee Handbook and policy updates and track employee acknowledgments.
• Support employee engagement and culture initiatives, including coordinating company events.

Office Management & Workplace Operations

• Manage day-to-day office operations to ensure a safe, clean, organized, and productive workplace environment.
• Serve as the primary point of contact for office-related inquiries, supplies, equipment maintenance, and facilities support.
• Monitor and order office, kitchen, and administrative supplies; manage vendor relationships and purchasing within approved budgets.
• Liaise with building management, landlords, IT support, and external vendors for facility repairs, maintenance, space planning, and security access.
• Coordinate logistics for on-site meetings, company events, catering and visitor reception.

Requirements

• Minimum 3+ years of HR administrator, coordinator, or HR operations experience; life sciences, biotech, or other regulated environment a plus.
• Experience with ATS platforms (Greenhouse preferred) and HRIS systems (NetSuite SuitePeople HR or equivalent).
• Working knowledge of California and federal employment law fundamentals.
• Proven ability to handle sensitive and confidential employee information with discretion.
• PHR, PHR, or SHRM-CP certification a plus.

Salary and Benefits:

The base salary range for this full-time position is between $85,000 and $105,000 + benefits.

Our salary ranges are calculated by role and level. Your position within that range will be determined by your job-related knowledge, skills, experience, relevant education, and training/certifications. In addition to those factors, we also examine internal equity as well as consider current market rate, and title may be assessed one level lower or higher accordingly. After you join the company, your performance, contributions, and results, along with business and organizational needs, will affect your base salary.