Human Resources Manager

Water Heater Warehouse, LLC; Fullerton (CA); On-site; USD 85,000 - 105,000; Full time

Job summary

Water Heater Warehouse in Fullerton, CA is seeking an experienced Human Resources Manager to oversee daily HR operations on-site. The role requires handling recruitment, onboarding, employee relations and compliance with California employment laws.

You will work closely with ownership and managers to build HR systems, policies and processes that scale with growth. Compensation ranges from $85,000 to $105,000/year based on experience and qualifications.

Qualifications

• 4+ years of HR experience in a business setting.
• Strong knowledge of California employment laws and HR practices.
• Experience handling employee relations and disciplinary matters.
• Experience with recruiting and onboarding processes.
• Excellent documentation and organizational skills.
• Ability to handle sensitive information discreetly and professionally.
• Strong written and verbal communication; comfortable with leadership.
• Able to work independently and take ownership of HR programs.

Responsibilities

• Oversee day-to-day HR operations for Water Heater Warehouse.
• Recruit, interview and hire employees; onboard new staff.
• Maintain employee records and HR documentation; ensure compliance.
• Address employee relations and workplace concerns; coach managers.
• Manage performance reviews and disciplinary actions as needed.
• Administer attendance, timekeeping, and Cal/OSHA compliance.
• Ensure wage-and-hour compliance and leave of absence administration.
• Coordinate workers' compensation and workplace injury documentation.
• Update employee handbook and company policies; train managers.
• Track certifications, licenses and required documentation; support payroll.
• Collaborate with payroll, brokers and HR/legal resources as needed.
• Assist with compensation structures and job descriptions.
• Support safety programs and California employment law compliance.

Skills

HR experience

California employment laws

Employee relations

Recruiting

Onboarding

Documentation

Communication

Organizational skills

Confidentiality

Independence

Education

PHR/SPHR/SHRM

Job description

Human Resources Manager

Water Heater Warehouse
Fullerton, California
Full-Time | On-Site
Salary: $85,000 – $105,000 per year, depending on experience

About Water Heater Warehouse

Water Heater Warehouse is a growing plumbing and water heating contractor based in Fullerton, California. We serve residential, commercial and public-sector customers throughout Southern California.

As our company continues to grow, we are looking for an experienced, hands‑on Human Resources Manager to oversee our HR operations and help us build the systems, policies and culture needed to support our next stage of growth.

This is not a purely administrative HR position. We are looking for someone who is comfortable working directly with ownership, managers, office employees and field technicians and who understands the realities of managing employees in California.

What You'll Be Responsible For

The HR Manager will oversee the day-to‑day human resources function for Water Heater Warehouse, including:

• Recruiting, interviewing and hiring employees
• New-hire onboarding and orientation
• Employee files and HR documentation
• Employee relations and workplace concerns
• Performance management and employee reviews
• Coaching managers on employee issues
• Disciplinary actions, write-ups and terminations
• Attendance and timekeeping policies
• California meal and rest period compliance
• Wage‑and‑hour compliance
• Leave of absence administration
• Workers' compensation coordination
• Workplace injury documentation and follow‑up
• Employee handbook and company policy updates
• Training managers and supervisors on HR procedures
• Tracking employee certifications, licenses and required documentation
• Maintaining confidential personnel records
• Assisting with benefits administration
• Coordinating with payroll, insurance brokers, workers' compensation carriers and outside HR/legal resources
• Helping develop compensation structures and job descriptions
• Supporting company safety and Cal/OSHA compliance efforts
• Creating consistent HR procedures as the company continues to grow

What We're Looking For

Required:

• 4+ years of Human Resources experience
• Strong working knowledge of California employment laws and HR practices
• Experience handling employee relations and disciplinary matters
• Experience with recruiting and onboarding
• Strong organizational and documentation skills
• Ability to handle sensitive and confidential information
• Excellent written and verbal communication skills
• Comfortable working directly with company ownership and management
• Able to work independently and take ownership of the HR department

Preferred:

• Previous HR Manager or HR Generalist experience
• Experience with plumbing, HVAC, construction, home services or another field-service business
• Experience managing HR for both field and office employees
• PHR, SPHR, SHRM-CP or SHRM-SCP certification
• Workers' compensation and workplace injury experience
• Experience developing employee handbooks, policies and procedures
• Bilingual English/Spanish is a plus

Who Will Do Well Here

We're looking for someone who is organized, approachable and confident enough to handle difficult employee situations when necessary.The right person understands that good HR is not just paperwork. It means protecting the company, treating employees fairly, holding people accountable and helping managers make good decisions.

You should be comfortable walking into an organization, identifying what needs improvement and helping us put better systems in place.

Compensation

$85,000 – $105,000 annually

Final compensation will depend on experience, qualifications and demonstrated knowledge of California HR and employment practices.

Schedule

Full-time, Monday through Friday
On-site at our Fullerton, California office

About Us

Water Heater Warehouse specializes in residential and commercial water heating solutions throughout Southern California. Our company continues to expand into new services, programs and markets, creating an opportunity for the right HR professional to grow with us.

Water Heater Warehouse is an Equal Opportunity Employer.