Sr. Manager Human Resources

MITER Brands•Temecula, CA

4d•Onsite

About The Position

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. 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.

Requirements

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.

Responsibilities

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.
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.
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.
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.
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.
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.