Production Planner

We are seeking a talented, dynamic, and result driven Production Planner based in our Milton, ON location (Onsite).

The Production Planner plays a critical role in keeping our manufacturing operations running smoothly and our customers delighted. You will be responsible for planning, sequencing, and monitoring production across 1–2 production lines in a complex make-to-order (MTO) environment with 400+ SKUs.

Acting as the key link between Customer Service and Production, you will balance service levels, capacity, and inventory to ensure we deliver on time, every time, while making the best use of our people, equipment, and materials.

Ready to help build a better future for generations to come?

In an ever-changing, fast paced world, we owe it to ourselves and our future generations to live life responsibly.  At ROCKWOOL, we work relentlessly to enrich modern living through our innovative stone wool solutions. 

Join us and make a difference!

The annual base salary range for this position is $70,000 - $100,000 CAD. Your base salary is determined based on location, experience and the pay of employees in similar positions.

Your future team:

You will become part of the Supply Chain Planning team and will be reporting to the Production Planning Manager.

What you will do:

• Plan and maintain daily and weekly production schedules for 1–2 lines, ensuring customer orders are produced on time within capacity and material constraints.
• Sequence production for 400+ SKUs to minimize changeovers and downtime while protecting service levels and reducing waste.
• Lead daily production meetings, aligning Operations, Customer Service, Logistics, and Procurement around a clear, realistic production plan.
• Adjust schedules quickly in response to breakdowns, quality issues, or material shortages, balancing customer priorities and operational efficiency.
• Manage order allocation and lead-time commitments, confirming feasibility and improving promised dates where possible.
• Coordinate rush, delayed, and special orders with other Planners and stakeholders, minimizing disruption to the overall schedule.
• Track key KPIs (open capacity, schedule adherence, production attainment, on-time ship, run lengths, inventory builds), investigate issues, and implement corrective actions.
• Maintain accurate production master data in SAP.
• Analyze data to identify and drive continuous improvement in planning, scheduling, and operational flow.

What you bring:

• Bachelor’s degree in Supply Chain, Business, Operations Management, Industrial Engineering, or a related field.
• Minimum 5 years of experience in production planning, supply planning, or scheduling in a complex, multi-site, and growth-oriented manufacturing environment.
• Hands-on experience with ERP and advanced planning systems (ideally SAP and APO/IBP or similar tools).
• Strong proficiency in Microsoft Excel (pivot tables, lookups, basic modelling and analysis).
• Experience working in a make-to-order (MTO) or high-mix environment is a strong asset.
• Familiarity with lean manufacturing, continuous improvement, or similar methodologies is considered an asset. Solid understanding of capacity planning, finite scheduling, and order allocation.
• Proven ability to interpret production data, capacity reports, and KPIs to drive operational decisions.
• Strong ERP/MRP skills, including maintaining and troubleshooting master data (routings, bills of material, lead times, lot sizes).
• Comfortable using Excel and reporting tools to build and interpret reports, dashboards, and what-if scenarios.
• Ability to work with standard operating procedures and production campaign rules to optimize run sequences and reduce waste.

What we offer:

At ROCKWOOL, our culture is one of teamwork, respect, and support. We offer a competitive salary, rewarding career and a comprehensive benefits package, including but not limited to:

• Competitive salary
• Comprehensive benefits package including Health, Dental, Vision, and more
• Generous Paid Time Off (PTO) and Paid Holidays
• Retirement Pension Matching Program
• Life and Disability Programs
• Educational Assistance
• Top up plans for maternity and paternity leave
• Fitness Reimbursement
• Employee Assistance Program (EAP)

Who we are:

We are the world leader in stone wool solutions. Founded in 1937 in Denmark, we transform volcanic rock into safe, sustainable products that help people and communities thrive.  We are a global company with more than 12,000 employees, located in 40+ countries with 51 manufacturing facilities… all focused on one common purpose – to release the natural power of stone to enrich modern living. 

Sustainability is central to our business strategy.  ROCKWOOL was one of the first companies to commit to actively contributing to the United Nations Sustainable Development Goals (SDG’s) framework and are actively committed to 11 SDGs, including SDG 14, Life Below Water.  Through our partnership with the One Ocean Foundation and in connection with our sponsorship of the Denmark SailGP team, we will help raise awareness around ocean health challenges in an effort to accelerate solutions to protect it.   

Work environment & conditions:

• Our offices are thoughtfully designed to foster collaboration, creativity, and opportunities for social engagement, allowing employees to find balance and bring their best selves to work. 
• ROCKWOOL believes in giving back to the communities where we operate. Our offices worldwide engage in philanthropic initiatives, community involvement, and sustainability efforts that contribute to improving society and the environment. We encourage our employees to get involved and make a positive impact in the communities we serve. 

Diverse and inclusive culture:

We want all our people to feel valued, respected, included and heard.  We employ 79 different nationalities worldwide and are committed to providing equal opportunities to all employees, promote diversity, and work against all forms of discrimination among ROCKWOOL employees.

At ROCKWOOL, you will experience a friendly team environment. Our culture is very important to us.  In fact, we refer to our culture as “The ROCKWOOL Way”.  This is the foundation in which we operate and is based upon our values of ambition, responsibility, integrity and efficiency.

ROCKWOOL is proud to be an Equal Opportunity Employer. We evaluate qualified candidates without regard to race, color, national origin, religion, gender, age, marital status, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.