Roeslein & Associates is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre-fabricated solutions for the energy, beverage, and industrial sectors. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia. Please see our website to learn more: Roeslein & Associates - Global EPC Services & Solutions.

Position Summary
The Buyer is responsible for purchasing materials for domestic and international jobs, according to project-defined scopes and specifications. This role works closely with Engineering and Project Management teams to gather material requirements, issue RFQs, place and track purchase orders, and communicate with vendors to ensure timely delivery. Position may be located in St. Louis, MO or Red Bud, IL.

Essential Duties and Responsibilities

• Create and manage requisitions and purchase orders from initiation to completion
• Source materials and negotiate pricing, lead times, and terms with new and existing vendors
• Coordinate with Engineering and PM teams to confirm material specifications and handle substitutions as needed
• Track and expedite deliveries; proactively communicate updates and delays to internal stakeholders
• Monitor industry trends to identify opportunities to reduce costs and improve procurement processes
• Collaborate with Project Managers on buyout reports and approval tracking
• Partner with Accounting to resolve invoice discrepancies and support accurate billing
• Conduct cost analysis, benchmarking, and scenario planning to support procurement decisions
• Enter and maintain accurate data in purchasing and accounting systems
• Ensure timely receipt of technical documents and drawings tied to purchase orders
• Collaborate with cross-functional teams to ensure successful delivery of technical documents, materials, and goods
• Find and cultivate new vendor/supplier relationships for the products and services used across our market verticals
• Conduct activities in a safe and healthy manner and work in accordance with established safety and company requirements

Other Duties and Responsibilities

• Promote a positive working environment in order to achieve the organization’s goals
• Perform other purchasing and administrative duties as assigned

Work Environment
This role is primarily office-based, with occasional exposure to uncontrolled environments such as job sites or manufacturing areas. Short-term exposure to dust, fumes, chemicals, noise, or temperature changes may occur. All employees are expected to follow safety standards and use required personal protective equipment in designated areas.

Physical Demands
While performing the duties of this job, the employee is regularly required to stand, walk, use hands and fingers, reach, climb, balance, stoop, kneel, and communicate clearly. Must be able to lift and carry up to 10 lbs. regularly.

Knowledge / Skill / Ability / Education / Experience

• Bachelor’s degree in Business, Supply Chain, or a related field preferred; High School Diploma or GED required
• 1–2 years of experience in a manufacturing or industrial setting; exposure to purchasing, supply chain, or logistics strongly preferred
• Familiarity with procurement of raw materials (steel, pipe, panel components, electrical or mechanical parts) preferred
• Experience using ERP or purchasing systems, including Oracle, Viewpoint, or similar platforms
• Proficient in Microsoft Office Suite (Excel, Outlook, PowerPoint, Word), Teams, and SharePoint
• Strong math, analytical, and problem-solving skills
• Comfortable negotiating with vendors and working directly with engineers, PMs, and cross-functional teams
• Exceptional attention to detail and accuracy required
• Able to prioritize, multitask, and manage time effectively in a high-volume purchasing environment
• Excellent organization and planning skills
• Ability to effectively interact with co-workers, clients, vendors, and other business contacts
• Must comply with Roeslein & Associates’ core values for the safe and efficient operation of the business and maintain sound relationships among and with employees

At Roeslein, we invest in our team members' success and well-being. Full-time employees are eligible for competitive wages, bonus program, paid time off, personal and recovery days, travel bonuses, and paid holidays. Our retirement benefits include a 401(k) with company match and an ESOP (Employee Stock Ownership Program). We also offer medical, dental, and vision coverage, short and long-term disability insurance, life and travel insurance, and paid parental leave. Additionally, we support your growth with tuition reimbursement and continuing education opportunities to help you achieve your personal and professional goals.

Roeslein & Associates is an Equal Opportunity Employer.

The job description does not necessarily contain all of the actual or essential duties of this position. All job offers are contingent upon passing a drug screen and criminal background check.