Sr. Manager Human Resources

Job Description

Sr. Manager, Human Resources

Temecula, CA

MITER Brands™ | Building the Future of Windows & Doors

At MITER Brands™, we’re more than a leading manufacturer of windows and doors—we’re a community of builders, problem‑solvers, and passionate people shaping the spaces where life happens. With iconic brands like Milgard, MI Windows & Doors, and PGT Innovations, MITER Brands is one of the nation’s largest manufacturers serving both new construction and replacement markets, with manufacturing sites across the U.S.

We’re seeking a Sr. Manager, Human Resources to serve as a trusted advisor, strategic partner, and culture champion at one of our largest manufacturing facilities in Temecula, CA.

Anticipated annual compensation range: $125,000 - $155,000 (depending on skills, qualifications, and experience) bonus.

This Is a Career‑Defining Opportunity

As the senior HR leader at the plant, you’ll sit at the leadership table — shaping strategy, influencing decisions, and translating business goals into people initiatives that drive performance, engagement, and growth. This is a highly visible role for an HR leader who enjoys being hands‑on, consultative, and deeply connected to the workforce.

You’ll lead a talented local HR team supporting approximately 500 team members, while partnering closely with senior plant leadership and enterprise Centers of Excellence. Just as importantly, you’ll be a mentor and coach — developing both leaders and future HR talent.

What You’ll Do

Strategic Leadership & Business Partnership

• Serve as an active member of the plant leadership team, aligning HR strategies with operational and business objectives.
• Act as a consultative Human Resources Business Partner to senior and line leaders—providing insight, counsel, and data‑driven recommendations.
• Lead and deploy HR strategic initiatives that support short‑ and long‑term business goals.
  
  

Team Leadership & Development

• Lead, mentor, and develop the on‑site HR team (HR Generalists and Coordinator), fostering strong performance, accountability, and career growth.
• Create effective communication, training, and development opportunities for your team.
  
  

Employee Experience & Culture

• Be an advocate and ambassador for the team member population— building trust and strong relationships at all levels of the organization.
• Champion engagement, teamwork, and a positive, inclusive culture.
• Continuously improve HR programs to strengthen team member satisfaction and leader–employee relationships.
  
  

Talent, Performance & Development

• Partner with Talent Acquisition to deliver hiring strategies for exempt and non‑exempt roles.
• Coach leaders on performance management, employee relations, and leadership effectiveness.
• Support succession planning, leadership development, and training initiatives at the facility level.
  
  

Employee Relations, Safety & Compliance

• Manage complex employee relations matters with professionalism, objectivity, and sound judgment.
• Oversee workers’ compensation case management and support OSHA compliance.
• Play an active role on the Safety Committee, supporting safety initiatives, training, and policy rollouts.
• Ensure compliance with all local, state, and federal employment laws and regulations.
  
  

Data & Change Management

• Analyze workforce trends, metrics, and data to guide decision‑making and anticipate people risks.
• Lead and support change initiatives, ensuring clarity of roles, responsibilities, and communication.
  
  

What You Bring

• Bachelor’s degree required; Master’s degree preferred (HR, Business, or related field).
• 10 years of progressive HR Generalist/HR Manager experience, ideally in a manufacturing environment.
• Proven experience leading and developing an HR team.
• Strong business acumen with the ability to influence and partner with senior leaders.
• Broad HR expertise across employee relations, workforce planning, compensation, benefits, training, performance management, and policy development.
• Deep knowledge of employment laws and HR compliance.
• Exceptional communication, coaching, presentation, and analytical skills.
• Ability to thrive in a fast‑paced, hands‑on manufacturing environment.
• Proficiency with Microsoft Excel, Word, PowerPoint, and Access.
  
  

If you’re a strategic, people‑focused HR leader who enjoys being on the floor, building relationships, coaching leaders, and shaping culture—this is your opportunity to leave your mark.

Join MITER Brands and help us build what matters most—our people.

What We Offer

Our benefits package includes coverage of your health, wealth, and wellness for you and your eligible spouse/dependents. We offer a competitive salary and benefits package, including a 401k with company match and generous paid time off to help you balance your life. Below is a list of benefits you will enjoy while working with our company.

• Three comprehensive Medical plan options
• Prescription
• Dental
• Vision
• Company Paid Life Insurance
• Voluntary Life Insurance
• Supplemental Hospital Indemnity, Critical Illness, and Accident Insurance
• Company-paid Short-Term Disability
• Company-paid Long-Term Disability
• Paid time off (PTO) and paid Holidays
• 401k retirement plan with company match
• Employee Assistance Program
• Teladoc
• Legal Insurance
• Identity Theft Protection
• Pet Insurance
• Team Member Discount Program
• Tuition Reimbursement
• Yearly Wellness Clinic
  
  

MITER Brands, also known as MI Windows and Doors, Milgard and PGT Industries are an equal-opportunity employer. The company does not discriminate based on religion, race, creed, color, national origin, sex, age, disability, handicap, veteran status, sexual orientation, genetic information, or any other applicable legally protected category.