Site Manager

Introduction At Senneca, we embrace the entrepreneurial spirit of the innovators that created our brands from traffic doors, to cold storage doors to fiberglass doors and beyond. We are committed to exceeding our customers’ expectations and to provide doors that offer safety and protection to our customers’ most important assets…people, products, capital investments and processes. Overview

Initially, this role will be instrumental in launching, scaling, and leading a new manufacturing facility while building a high-performing team and culture capable of supporting long-term growth.

This position is responsible for leading aspects of manufacturing operations including production, quality, logistics, maintenance, and overall plant performance while driving operational excellence through continuous improvement of processes, systems, and teams. It ensures customer commitments are met through on time delivery, high quality standards, and cost efficiency while fostering a safe, accountable, and high performing work environment and enforcing ISO aligned standards.

Success requires strong leadership, critical thinking, and the ability to influence and engage teams in a fast-paced manufacturing setting.

Our company offers a comprehensive and competitive benefits package, including medical, dental, and vision insurance; company-paid life insurance; short-term and long-term disability; flexible spending accounts (FSA); health savings accounts (HSA); three weeks of paid time off (PTO); parental leave; 9 paid holidays; various optional benefits; and a 401(k) plan with a company match. We also provide career development opportunities, tuition assistance, and a diverse, inclusive, and welcoming culture making it one of the best in the industry.

• Own and manage site KPIs including safety, quality, on-time delivery, inventory accuracy, labor utilization, productivity, and financial performance.
• Lead facility activities including equipment installation, commissioning, production readiness reviews, staffing ramp-up, operating procedure development, and launch-to-production execution.
• Serve as the primary operational liaison for key customers, supporting plant tours, customer audits, corrective actions, delivery recovery plans, and relationship management.
• Foster a positive, engaged, high-accountability culture through consistent communication, employee involvement, and leadership visibility.
• Develop leadership capability within the organization through coaching, succession planning, training, and performance development programs.
• Develop and execute manufacturing plans to meet customer demand, quality expectations, and business objectives
• Partner with executive leadership and cross-functional teams to align operational priorities with company strategy
• Plan and coordinate production schedules in collaboration with sales and operations teams
• Develop and expand production capacity to meet monthly and annual shipping goals
• Monitor workflow, identify bottlenecks or delays, and implement corrective actions to improve efficiency
• Lead implementation of visual management, standard work, layered process audits, 5S, Kaizen events, and continuous improvement initiatives.
• Oversee purchasing, inventory management, and material flow to ensure customer commitments are met
• Prepare, analyze, and communicate production and operational performance reports
• Control operational costs and manage budgets to achieve financial targets
• Partner with Human Resources to address employee relations matters, including performance management and conflict resolution
• Lead safety programs and ensure compliance with OSHA regulations and company safety policies
• Maintain a safe working environment and ensure proper use of PPE, equipment, and procedures
• Coordinate facility improvement projects and manage contractors, vendors, and service providers to ensure successful completion of site objectives.
• Lead capital projects, facility expansions, and continuous improvement initiatives to support operational growth and efficiency.
• Monitor, test, and optimize plant processes to improve performance and reliability
• Interpret policies, procedures, and operational…