Senior Buyer - Materials (Sarnia)

Date: Jun 24, 2026 Location:

Sarnia, ON, CA

#job-location.job-location-inline { display: inline; } Company: TransAlta Job Type: Full time - Salaried Work Arrangement: Hybrid

Senior Buyer - Materials

WHO WE ARE

Our Power, Your Possibilities

At TransAlta, we don’t justgenerate electricity-we generate opportunity. As one of Canada’s largest publicly traded power generators, we’ve been powering communities for over 100 years across Canada, the U.S., and Australia. Our diverse energy portfolio and passionate team are driving the transition to a cleaner, more sustainable future.

We believe in the power of purpose, the strength of collaboration, and the value of continuous learning. If you’re ready to make a real impact in a dynamic industry, you bring the energy - we’ll provide the platform.

ABOUT THE ROLE

We have an exciting opportunity for a Senior Buyer, Materials join our SCM team. Reporting directly to the Category Manager, Materials & Maintenance, you will be responsible for the effective management of inventory across TransAlta facilities and the development of the Critical Spares and Materials strategy in support of the Company goals.

This role is based out of our office in Sarnia, Ontario. This is a full-time role with the flexibility of a hybrid work schedule.

A DAY IN THE LIFE

• Review and process purchase requests from internal stakeholders, prepare and issue purchase orders, and maintain accurate documentation on a daily basis.
• Manage and maintain existing purchase orders, ensuring timely updates and efficient handling of changes.
• Collaborate with internal teams to optimize inventory levels, balancing supply and demand to minimize both stockouts and excess inventory. Support Warehousing operation son as needed basis.
• Develop and maintain strong relationships with suppliers and internal stakeholders to ensure smooth collaboration and effective procurement.
• Handle invoice coding and resolve discrepancies, ensuring accurate and timely payment processing and efficient material delivery through the full lifecycle of purchase orders.
• Expedite purchase orders to maintain continuity of supply and prevent delays in critical operations.
• Logistics Responsibilities: Ensure timely coordination and monitoring of shipments, addressing any issues with lost or damaged items in transit. Enforce supplier compliance with shipping instructions and track their performance, taking corrective action as needed to prevent disruptions and ensure alignment with company standards and project timelines.
• Identify and assess opportunities for cost savings and process improvements that positively impact procurement efficiency and overall operations.
• Ensure strict adherence to company policies, processes, and work instructions throughout all procurement activities.
• Utilize analytical skills to assess procurement needs and propose innovative solutions that contribute to operational savings.
• Provide support to SCM team members as needed, contributing to the overall success of the department.

ABOUT YOU

• 10+ years of experience in materials management, procurement, or supply chain operations.
• Sound knowledge of strategic sourcing requirements, practices, and cost-saving techniques.
• Proven ability to manage multiple projects and priorities in a fast-paced environment.
• Strong attention to detail, problem-solving abilities, and organizational skills.
• Excellent relationship-building skills with both internal stakeholders and external suppliers, with a team-oriented approach.
• Strong experience with SAP is a must. Demonstrated proficiency with the Microsoft Office suite, particularly Excel, for data analysis and reporting.
• Strong analytical skills with the ability to identify process improvements and cost-saving opportunities.
• High-level understanding of procurement documentation and compliance requirements (e.g., B3s, CARM, Customs Compliance).

THE PERKS

• Competitive salary
• Annual and long-term incentives available for select roles
• Company-matching pension plan
• Flexible health benefits for you and your family
• Generous vacation and personal days
• Learning and development programs
• Employee recognition and rewards
• Annual wellness allowance

A reasonable estimate of the pay range is CAD$76,500 - CAD$110,000 at the time of this posting. Individual pay is determined by job-related skills, relevant experience, education, and/or training. The top end of the range is reserved for individuals with exceptional, directly relevant expertise and a demonstrated history of strong performance within TransAlta. This range reflects base pay only and does not include our competitive bonus program and benefits.

Explore our Careers site to see how we support your growth and wellbeing .

OUR CULTURE

At TransAlta, we’re driven by a Culture of Results, Learning, and Purpose. We prioritize psychological safety, wellbeing, inclusion, and belonging - creating a space where everyone can thrive. We believe that diverse perspectives drive innovation and progress, and we’re committed to building a workplace where you can be your authentic self.

Ready to Power Up With Us? Excited about this role but don’t meet every single requirement? We still encourage you to apply. Studies have shown that women and people of color are less likely to apply for a job unless they meet every single qualification. You might just be the candidate we are looking for.

WHAT TO EXPECT

The successful candidate may be required to complete background checks appropriate to the role and may include criminal record, education and employment verification or credit checks. ‘Safety sensitive positions’ will be required to complete pre-employment testing.

Due to the high volume of applications we receive, only those progressing will be contacted.