Senior Buyer

Location: Ottawa, Ontario

Reports to: Supply Chain Manager

Role status: Existing vacancy

At R , we've been designing cutting‑edge instruments to measure our blue planet for over 50 years. Built to withstand the harshest environments on Earth, our instruments are deployed from the ocean’s deepest trenches to the polar ice caps, capturing essential data on water temperature, salinity, pH, and more. This data empowers researchers in the global fight against climate change, and our technology supports groundbreaking science with partners like Fisheries and Oceans Canada, Woods Hole, the Scripps Institution, and the British Antarctic Survey.

At R , we care deeply about our work, each other, the environment, and the global communities we serve. We value teamwork, continuous improvement, and having fun along the way. From weekly lunches to social events, we’re a crew that thrives on complex, exciting challenges that have a meaningful impact on the blue planet!

As a Senior Buyer at R , you will assume a critical role within our Supply Chain Management team, driving strategic initiatives and contributing to the overall success of our procurement efforts. You will be responsible for strategic sourcing initiatives, assisting with new product introductions, evaluating and enhancing supplier performance, leading negotiations with key vendors, and playing a crucial role in overall material supply execution.

As someone who’s well organized, with excellent attention to detail, you’ve mastered the art of building strong relationships with internal teams and external vendors alike, and you effectively provide support to address complex supply chain needs. Being highly proficient in data analysis would be considered a strong asset for this position.

• Execute purchase orders in accordance with MRP action messages (create, cancel, push, and pull actions)

• Provide ownership of the PCBA and electronic component portfolio

• Proactively manage MRP planning parameters for purchased items within the PCBA portfolio; effectively balancing cost, inventory level, and service level targets

• Process expense Purchase Requisition s (REQs) to support departments across R

• Direct the resolution of supplier non-conformances, ensuring preventative measures, credits, refunds, or replacements are secured

• Establish and maintain effective relationships with suppliers

• Evaluate supplier performance (quality, on‑time delivery, lead time, pricing), prepare feedback, and administer improvement programs where necessary

• Adhere to and enforce compliance with purchasing policies, procedures, regulations and laws

• Undertake additional duties as assigned, leveraging your seasoned expertise to guide complex initiatives

• 8+ years of experience in direct procurement/purchasing functions, specifically with contract manufacturer relationships in the PCBA space

• Degree or Diploma in a related field (supply chain, operations, engineering, etc.)

• Exceptional analytical skills and detail orientation

• In‑depth understanding of MRP and supply/demand planning principles, with demonstrated experience in ERP systems

• The ability to drive process enhancements and bring new suggestions - we are always looking to continually improve

• High level of adaptability to new systems and processes

• Excellent verbal & written communication skills

• Experience with complex BOMs, engineering change orders, and revision controlled documents

• Proven ability to excel under pressure, initiating action and driving results

• Self‑directed with the ability to multi‑task

• Strong organizational and prioritization skills

• Working knowledge of continuous improvement methodologies (e.g. Lean, Six Sigma)

• Experience negotiating…