Purchasing Buyer, Senior

About Our Company - Prospiant represents the agriculture technology business portfolio of Gibraltar Industries, Inc. (based provider of turnkey controlled environment agriculture (CEA) solutions for growing fruits, vegetables, and flowers. The company has expertise in custom-designed, manufactured, and installed greenhouses for research, education, and retail garden centers.

Prospiant embodies long-term stability with the unmatched financial strength and end-to-end expertise of our heritage brands; Our customers rely on our expertise to succeed in these markets:

Produce - growers of fruits and vegetables located closer to grocery retailers and restaurants they supply
Commercial - growers of flowers and plants as well as greenhouses for educational, research and institutional organizations and retail businesses
Our success in the produce and commercial markets couldn't be possible without our employees' commitment to our core values - Make It Better, Make It Right, Make It Together, and Make An Impact.
Make It Better - Challenges our way of thinking every day to exceed the needs of our customers and improve our business and workplace. Raises the bar and sets new standards.
Make It Right - Cares about doing the right thing for fellow employees, customers, and our communities. Holds high standards of ethics and safety and includes others. Make It Together - Works collaboratively with others, across the organization, and with our customers. Make An Impact - Approaches work and life with an intent to drive change and make a difference for our customers, investors, and community.
By building solutions that make life better for people and the planet, Gibraltar advances the art and science of engineering, science, and technology to shape the future of comfortable living and productive growing.

To learn more about what makes us #GibraltarProud, visit our website:

steel, electrical components, mechanical systems, construction services, indirect spend).
Lead competitive bidding processes (RFQs, RFPs), supplier evaluations, and total cost of ownership analyses.
Negotiate pricing, terms, and contracts to achieve cost savings and risk mitigation.
Build and maintain strong relationships with key suppliers and contractors.
Monitor supplier performance (quality, delivery, cost) and drive continuous improvement initiatives.
Identify, qualify, and onboard new suppliers to reduce risk and enhance supply flexibility.
Support supplier audits and compliance with company policies and industry standards.
Collaborate with engineering, project management, and operations teams to support procurement for greenhouse construction and infrastructure projects.
Manage procurement timelines, ensuring alignment with project schedules.
Track and expedite critical materials and services to avoid delays.
Oversee purchase order lifecycle from requisition through delivery and invoice resolution.
Ensure accurate and timely procurement transactions within ERP systems.
Maintain compliance with procurement policies and internal controls.
Partner with engineering, finance, operations, and logistics teams to align procurement strategies with business objectives.
Provide market intelligence (pricing trends, supply risks, commodity insights) to stakeholders.
Support budgeting and forecasting activities related to material and project costs.
Bachelor's degree in Supply Chain, Business, Engineering, or related field

• Advanced proficiency in Microsoft Excel (e.g., pivot tables, VLOOKUP/XLOOKUP, data analysis) and overall Microsoft Office suite
• Strong negotiation and contract management skills.
• Deep understanding of sourcing strategies and cost analysis.
• SAP, Oracle, NetSuite, or similar).
• Strong project management and organizational skills.
• Familiarity with capital equipment procurement or construction-related sourcing is a plus.
• and considers applicants for all positions without regard to race, color, religion, creed, gender, gender identity, national origin, age, disability, marital or veteran status, sexual orientation, or any other legally protected status. In addition, Gibraltar will provide reasonable accommodations for qualified individuals with disabilities.