We Deliver the Goods:

Competitive pay and benefits, including Day 1 Health & Wellness Benefits, Employee Stock Purchase Plan, 401K Employer Matching, Education Assistance, Paid Time Off, and much more

Growth opportunities performing essential work to support America’s food distribution system

Safe and inclusive working environment, including culture of rewards, recognition, and respect

Why Join Core-Mark?
Core-Mark emphasizes personal growth and development for all associates. We believe that when you succeed, the company succeeds. We promote internally whenever possible and provide frequent training opportunities in several formats to help you meet your personal and career goals.

Compensation: $85,000 - $95,000 annually

Work Location: This role is 100% onsite in Hayward. Must be local to the area. 
 

Position Purpose:

As a Senior Human Resources Generalist, you will serve as a trusted partner in delivering comprehensive HR support across a range of key functional areas. This hands-on role requires strong professional experience in employee relations, performance management, and payroll, with a focus on ensuring compliance with both Federal and California employment laws. As the sole HR business partner on-site at our Hayward OpCo distribution center, you will collaborate closely with operational leaders to align HR strategies with business objectives—driving workforce planning, talent development, and employee engagement to foster a high-performance, people-first culture. Backed by the resources of a Fortune 100 company, you'll have the support of dedicated corporate teams in talent acquisition, payroll, legal, HRIS, compensation, and compliance to help you succeed and thrive in your role.  
 

Responsibilities:

Support onboarding needs and facilitate weekly new hire orientation

Administering various HR plans and procedures for all Core-Mark personnel including pay, benefits, and leave related processes.

Addressing employee inquiries regarding company policies, procedures, and HR programs.

Conducting best practice surveys and assisting in the development and implementation of HR policies and procedures. 

Providing employee relations support including conducting investigations

Providing legal support for all active litigations

Performing HRIS data maintenance; including new hires processing and status changes

Conducting regular audits on employee timekeeping records to ensure compliance.

Assisting with responses to unemployment claims.

Coordinating employee training, employee awards, and other Core-Mark programs.

Providing additional support to HR process across Core-Mark.

Performs other related duties as assigned.