Weekend Plant Manager Jobs in Riverside, CA (NOW HIRING)

RiteScreen is one of the largest window and door screen manufacturers in North America, with production facilities across multiple states. We build products that matter and we take pride in the people who build them. Our Southern California facility is a high-volume, fast-paced manufacturing environment serving national customers, and we are growing. We operate Monday through Friday only — no weekends — and we invest in the development and wellbeing of our team.

We are seeking a Plant Manager to lead our Rancho Cucamonga manufacturing operation. This is a people-first leadership role that demands both operational excellence and a genuine commitment to building a great place to work. The right person leads from the floor, sets a tone of respect and accountability, and develops their team every single day. You will have full ownership of this facility and the support of a growing national organization behind you.

Operations Leadership

• Lead all day-to-day manufacturing operations to consistently meet production, quality, safety, and cost targets
• Drive continuous improvement across all production lines using lean manufacturing principles
• Develop and maintain production schedules that align with customer demand and business goals
• Ensure equipment reliability through proactive maintenance planning and execution
• Partner with supply chain to maintain material flow and manage inventory effectively

People and Culture

• Recruit, develop, and retain a high-performing production team in a competitive Southern California labor market
• Build a culture of accountability, engagement, and continuous learning on the plant floor
• Conduct meaningful performance conversations and provide real-time coaching and feedback
• Develop supervisors and team leads to grow their leadership capabilities
• Foster an inclusive environment where every employee feels respected and has an equal opportunity to contribute and grow

Safety and Quality

• Champion a zero-incident safety culture — lead safety observations, incident investigations, and corrective actions
• Ensure full compliance with California OSHA regulations, company safety policies, and all applicable state and local requirements
• Own the quality management system at the plant level; drive root cause analysis and corrective action on quality escapes
• Partner with the quality team to achieve and maintain customer satisfaction targets

Financial Accountability

• Manage plant-level budget including labor, materials, overhead, and capital
• Identify and execute cost reduction opportunities without compromising quality, safety, or team culture
• Report on plant KPIs weekly and monthly to senior leadership with clear analysis and action plans
• Partner with finance on budget management and forecast accuracy

• 5 or more years of plant or operations management experience in a manufacturing environment
• Proven track record building and developing high-performing production teams
• Strong working knowledge of lean manufacturing, continuous improvement, and operational excellence
• Demonstrated experience managing plant-level budget and driving cost reduction
• Solid understanding of California employment law and Cal/OSHA compliance requirements
• Bilingual in English and Spanish strongly preferred — our workforce is predominantly Spanish-speaking
• ERP system experience required
• Excellent interpersonal and communication skills — equally effective on the floor and in the boardroom
• High emotional intelligence and servant leadership orientation
• Bachelor's degree in Engineering, Operations Management, Business, or related field preferred

We are a stable, growing company with a strong national footprint and a culture that respects hard work. We run Monday through Friday only. Benefits start on the first of the month after your hire date. Our people stick around because we invest in them. If you want to build a strong operation and lead a team that takes pride in their work, this is the right place.

RiteScreen is an equal opportunity employer. We value diversity and inclusion in our workforce and are committed to providing equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, or any other protected characteristic in accordance with applicable federal, state, and local laws.