Senior Buyer

Help grow a safer, cleaner, healthier future for everyone, every day.
Who are we?
https://www.cosasco.com/
Cosasco is an industrial product company providing leading edge integrated corrosion and erosion monitoring systems, including non-intrusive and intrusive technologies. Since 1950, Cosasco has provided solutions for such diverse industries as oil and gas, petrochemical, water treatment, chemical, pulp and paper, pharmaceutical, and utilities.
Cosasco is a subsidiary of Halma plc (“Group”). Halma plc is listed on the London Stock Exchange whose purpose is to create a safer, cleaner, healthier future for everyone every day! Halma plc has a current market capitalization of approximately £7 billion. The group has nearly 50 businesses operating through four sectors (Medical, Environmental & Analysis, Process Safety, Infrastructure Safety) in more than 20 countries and major operations in Europe, North and South America and Asia, supplying customers in 160 countries and employing more than 6,600 people worldwide.
The Senior Buyer will be responsible for driving procurement, supplier performance, and Supply Chain Cost Out (Supplier Transition) projects. This role requires strong leadership internally as well as with suppliers, precise order management, and clear communication. The Buyer must manage multiple priorities in a global supply chain.
Duties & Responsibilities
Procurement & Sourcing: Own an end-to-end procurement process — including RFQ preparation, quote analysis, supplier selection, price and term negotiation, PO placement, and order follow-up — in accordance with internal procedures and in alignment with system demand (ERP), technical drawings, qualified manufacturer listings (QML/QPL), and applicable customer or regulatory documentation.
Delivery Management: Own end-to-end purchase order delivery management, including supplier schedule alignment, expediting, recovery planning, and risk mitigation to ensure on-time fulfillment of production demand.
Supplier Relationship Management: Develop, Onboard, and Manage supplier performance following processes and leveraging business reviews, scorecards and other tools.
Support strategic sourcing initiatives to drive Cost Out at the commodity level.
Collaborate with cross-functional teams for logistics, discrepant material resolution, project needs, documentation requirements.
Support process improvement, daily standups.
Other duties as assigned.
Qualifications
Bachelor’s degree in Supply Chain Management, Engineering, or a related field and/or CPSM/CPIM preferred).
5–7 years of experience in procurement with focus on machined components, forgings, castings, or similar technical commodities.
Background in mechanical engineering a plus.
Strong knowledge of industrial supply chain standards, specifications, and regulatory requirements; Knowledge of Oil & Gas industry a plus.
Excellent communication skills (verbal and written) and with ability to work across cultures and time zones.
Proficiency with Microsoft applications, ERP systems (Epicor preferred, SAP, Oracle), and LEAN principles.
Strong analytical, problem-solving, and decision-making abilities.
Ability to work in a fast-paced environment and manage multiple priorities.
Work Conditions and Physical Requirements:
This is an in-office position, based out of Santa Fe Springs, CA
Prolonged periods of sitting at a desk and working on a computer
Must work most hours overlapping production
Must be able to lift up to 15 pounds at times
Some travel may be required, up to 10%
The anticipated salary range for this position is $80,000 to $105,000 annually, with final compensation determined based on experience, skills, and qualifications.​
Cosasco is an Equal Opportunity Employer and is committed to fostering an inclusive and diverse workplace. We consider all qualified applicants for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, protected veteran status, or any other legally protected characteristic.
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