Hybrid HR Coordinator — People & Culture

Mammoth; Los Angeles (CA); Hybrid; USD 75,000 - 80,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Holidays

Paid Time Off

Employee Assistance Program

Job summary

Mammoth is seeking an HR Coordinator to manage day-to-day HR administration, onboarding, and HRIS data accuracy in a hybrid role at North Hollywood, CA. You will use AI tools to draft communications, maintain reports, and support culture initiatives while collaborating with the CHRO and HR team.

The role requires 2–4 years in HR or related fields, strong organizational skills, and experience with HRIS systems.

Qualifications

• 2–4 years of experience in HR, people operations, or office administration.
• Experience in a manufacturing, production, warehouse, or distribution environment preferred; cannabis industry experience a plus
• Hands-on experience with an HRIS (such as Paycom, Paylocity, ADP, UKG, or BambooHR) and an aptitude for learning new systems quickly
• Comfort using AI tools to work more efficiently, with good judgment about accuracy, privacy, and confidentiality
• Advanced skills in Google Workspace and/or Microsoft Office, especially Excel or Google Sheets
• Experience administering Slack or similar collaboration tools; Canva or similar design tools a plus
• Event planning experience, from small team celebrations to companywide events, including budget and vendor management
• Strong writing and editing skills and confidence presenting to groups
• Exceptional organization and attention to detail; able to manage many deadlines
• Basic knowledge of HR practices and employment law
• Discretion and professionalism with confidential information
• A friendly, approachable presence with frontline employees and supervisors
• Spanish proficiency a plus

Responsibilities

• Own day-to-day HR administration: scheduling, e-filing, personnel file maintenance, and accurate HRIS data entry
• Coordinate onboarding and offboarding: prepare paperwork, set up new-hire orientation, and keep checklists current in the HRIS
• Use AI tools and automation to draft communications, summarize information, build templates, and streamline repetitive HR workflows while protecting confidential data
• Administer HR technology, including HRIS, e-signature and digital forms, shared drives, and Slack
• Build and maintain HR reports and dashboards (headcount, turnover, training completion) and prepare a monthly people-metrics package for the CHRO
• Plan and execute companywide culture initiatives, employee events, and recognition programs, managing vendors, logistics, and budgets
• Write, design, and distribute the monthly employee newsletter; administer HR Slack channels and the company intranet
• Prepare HR announcements and support presentations at Production and tailgate meetings
• Support employee relations: schedule meetings, take notes during interviews and investigations, maintain ER case log, and track follow-ups
• Track write-ups and performance review deadlines, and send reminders to managers
• Provide backup support for Payroll, Benefits, and Recruiting, including interview scheduling and new-hire paperwork
• Answer routine employee HR questions and route sensitive matters to HR team

Skills

HRIS experience

AI tools usage

Google Workspace

Microsoft Office

Event planning

Communication skills

Writing and editing

Spanish proficiency

Discretion and professionalism

Tools

Paycom

Paylocity

ADP

UKG

BambooHR

Slack

Canva

Job description

Mammoth is seeking an HR Coordinator to manage day-to-day HR administration, onboarding, and HRIS data accuracy in a hybrid role at North Hollywood, CA. You will use AI tools to draft communications, maintain reports, and support culture initiatives while collaborating with the CHRO and HR team.

The role requires 2–4 years in HR or related fields, strong organizational skills, and experience with HRIS systems.