HR Generalist - Employee Relations & Culture

Mammoth Distribution•Los Angeles, CA

1d•$75,000 - $85,000•Onsite

About The Position

Mammoth Distribution is one of California's leading cannabis distributors and manufacturers, delivering top brands like Heavy Hitters, Papa & Barkley, and Almora Farms. We're hiring a full-time HR Generalist to be the frontline human resources partner for our Operations workforce — Production, Manufacturing, Facilities, Lab, Quality Control, and Inventory. Reporting to our Chief Human Resources Officer (CHRO), you'll handle employee relations and workplace investigations, keep HR administration and HRIS records accurate, lead internal communications and employee engagement programs, and build the HR reporting our leadership relies on. Located in North Hollywood, convenient to Burbank, Van Nuys, Glendale, Studio City, and the greater San Fernando Valley. If you're an HR professional who is calm, approachable, and at home on a production floor, we'd like to hear from you.

Requirements

2–4 years of Human Resources experience, including hands-on employee relations work
Experience in a manufacturing, production, warehouse, or distribution environment preferred; cannabis industry experience a plus
Experience conducting or supporting workplace investigations, with strong interviewing and documentation skills
Working knowledge of federal and California employment law (Title VII, ADA, FMLA, FLSA, FEHA, CFRA) — enough to recognize when a matter needs escalation
A calm, neutral, and approachable presence with frontline employees and supervisors
Strong administrative and organizational skills — calendar management, meeting notes, interview documentation, and digital filing
Excellent written communication skills and confidence presenting to large groups, including production floor audiences
Solid data and reporting skills in Excel and HRIS reporting tools
Event coordination and budget tracking experience
Comfort administering Slack or similar collaboration tools
Sound judgment and discretion with confidential and sensitive information
Highly organized, detail-oriented, and consistent with follow-through

Nice To Haves

SHRM-CP, PHR, or similar HR certification a plus

Responsibilities

Serve as the first point of contact for employee relations concerns across our Operations divisions — listen, triage, and document every matter
Plan and conduct workplace investigations: interview employees and witnesses, gather evidence, and write clear findings and recommendations
Escalate complex matters and anything with potential legal exposure (protected-class claims, retaliation, leave and accommodation, wage and hour) to the CHRO the same business day
Support coaching conversations and mediations — prepare materials, take notes, and follow up on agreed actions
Maintain the ER case log and supporting documentation for every Operations employee relations matter
Manage HR administration: scheduling, e-filing, personnel file maintenance, and HRIS data entry
Track write-ups (corrective action) and performance reviews, and follow up with managers to keep them current
Coordinate onboarding and offboarding paperwork, and provide backup support for Payroll, Benefits, and Recruiting
Plan and execute companywide culture initiatives, employee engagement events, and recognition programs (e.g., Culture All-Star nominations), including logistics and budget tracking
Write, edit, and distribute the monthly employee newsletter (email, Slack, and print); administer HR Slack channels and maintain the company intranet
Prepare and deliver HR announcements at Production and tailgate meetings
Build and maintain HR reports and dashboards — headcount, turnover, training completion, and ER trends — and deliver a monthly people-metrics package to the CHRO