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.  

Why Join Roeslein?

At Roeslein, you’re not just taking a job – you’re becoming an employee owner.  As part of a 100% ESOP organization, you share the success you help create while building a long-term career with a company that invests in its people.

A Values Driven, People-First Culture

We live by a simple but powerful ethos: Remain Humble. Stay Hungry. Be Happy. That means:

• Working hard and continuously improving
• Treating people with respect and integrity
• Prioritizing safety and quality in everything we do
• Enjoying the work we do – together

Competitive Pay & Comprehensive Benefits

We offer a rewards package designed to support your whole life - at work and at home:

• Employee Stock Ownership Plan (ESOP) and 401(k)
• Medical, dental, vision, and life insurance
• Paid vacation, holidays, and sick leave
• Paid parental leave
• Education and tuition reimbursement
• Bonus opportunities based on company and individual performance

Growth, Development & Career Paths

We believe careers should grow, not stall.  Whether you’re early in your career or bring years of experience, we support your development through:

• Mentorship from experienced professionals
• Ongoing technical, safety, and leadership training
• Clear pathways for advancement across teams and disciplines
• Tuition and education reimbursement

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.

• 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.

• 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 & Associate’s core values for the safe and efficient operation of the business and maintain sound relationships among and with employees.

Build a Career with Ownership and Purpose

If you are looking for meaningful work, strong values, and a company that genuinely invests in your future, Roeslein is a place you can grow.

We are an Equal Opportunity Employer. The job description does not necessarily contain all the actual or essential duties of this position. All job offers are contingent upon passing a drug screen and background check.  This role will be open until filled.