Purchasing Manager - Centralized Purchasing

About Us

Since 1980, DynaTen Corporation (a Comfort Systems USA Company) has delivered high-quality Commercial Construction and Service Solutions across the greater North Texas market. We partner with our clients to provide technical expertise and high-level execution on every project. As a result, DynaTen is a trusted provider of HVAC, Plumbing, and Building Automation Controls solutions. Our culture is built on accountability, teamwork, and a commitment to developing our people. We take pride in promoting from within, supporting both field and office teams, and delivering results the right way. We offer strong long-term career opportunities, excellent benefits, and a positive, team-oriented work environment.
Position Summary

The Purchasing Manager - Centralized Purchasing leads DynaTen's purchasing operations for large and special commercial mechanical construction projects. This position is responsible for strategic sourcing, supplier negotiations, purchase order oversight, material delivery coordination, cost control, and the continued development of standardized purchasing practices. Working closely with project operations, Estimating, Accounting, warehouse and fabrication teams, and suppliers, the Purchasing Manager helps ensure materials are procured competitively, accurately, and in support of project budgets, specifications, and schedules.
Principal Duties and Responsibilities

Lead the daily operation and continued development of DynaTen's centralized purchasing process.
Establish and maintain consistent purchasing procedures, approval requirements, and operating guidelines.
Manage procurement activities and purchasing priorities across multiple large and special construction projects.
Review material requirements and requisitions with project teams to confirm completeness, specifications, cost coding, budgets, and required delivery dates.
Lead competitive bidding and supplier quotation processes, evaluating pricing, quality, availability, lead times, delivery performance, and overall value.
Negotiate supplier pricing, purchasing agreements, delivery terms, freight arrangements, and payment conditions within established authority.
Develop preferred supplier relationships and identify opportunities to consolidate purchasing volume and improve pricing.
Monitor supplier performance and resolve issues involving pricing, shortages, defective materials, delivery delays, substitutions, and contractual requirements.
Oversee the creation, approval, issuance, tracking, and documentation of purchase orders.
Monitor material availability and scheduled deliveries, coordinate expediting, and communicate potential project impacts.
Support phased procurement and just-in-time delivery strategies when appropriate for project execution.
Oversee purchasing activity and recordkeeping in COINS ERP and support improvements to procurement technology and workflows.
Coordinate with Accounting and project operations on receiving documentation, goods receipts, invoice discrepancies, supplier credits, and purchase order closeout.
Monitor purchasing expenditures, outstanding commitments, and supplier exposure against project budgets.
Identify cost-saving and process-improvement opportunities through sourcing, negotiation, volume purchasing, and data analysis.
Provide purchasing reports, spend analysis, forecasts, and supplier performance information to management.
Supervise, train, and develop purchasing staff and assign work based on project priorities, expertise, and workload.
Maintain collaborative, service-oriented relationships with project teams, suppliers, and other internal and external partners.
Required Qualifications

Minimum 7-10 years of experience in purchasing, procurement, supply chain management, or construction operations.
Demonstrated experience managing purchasing activities across multiple projects and negotiating supplier agreements.
Experience developing or implementing purchasing procedures, workflows, and internal controls.
Working knowledge of construction materials, commodities, equipment, distribution channels, project budgets, cost codes, and construction schedules.
Proficiency with ERP or procurement management software and Microsoft Office, including strong Excel skills.
Ability to evaluate supplier proposals, commercial terms, purchasing data, and financial commitments.
Strong leadership, communication, organizational, analytical, and problem-solving skills.
Ability to balance cost, quality, material availability, and schedule requirements in a fast-paced construction environment.
Preferred Qualifications

Bachelor's degree in Construction Management, Supply Chain Management, Business Administration, Finance, or a related field; equivalent relevant experience may be considered.
Minimum 3-5 years of leadership, supervisory, or purchasing management experience.
Experience in mechanical construction, commercial HVAC, plumbing, piping, or related specialty contracting.
Experience with COINS ERP, preferred supplier programs, purchasing technology implementation, or spend analysis.
What you can expect

Exceptional health, dental, and vision insurance.
Paid Employee-Only Medical Coverage.
In-house and manufacturer-led training and leadership development.
Long-term career growth into operations, sales, technical, and/or leadership roles.
Comprehensive benefits package and employer-sponsored professional memberships.
401(k) match, PTO, holiday pay, and more.
Eligibility for the annual incentive program based on role and plan terms.
Working Conditions

Work is performed across office, warehouse, fabrication, supplier, and active construction environments.
The role may require jobsite and warehouse walking, required PPE, exposure to noise, dust, moving equipment, and temperature variation, plus schedule flexibility to support project and material-delivery needs.
EEO Statement

Comfort Systems USA, Inc., together with its subsidiaries, provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran status, gender identity, age, or any other status protected by law. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment. The statements contained in this document are intended to describe the general nature and level of work being performed by an employee assigned to this description. They are not intended to constitute a comprehensive list of functions, duties, or local variances. Management retains the discretion to add to or change the duties of the position at any time. This job description does not state or imply that these are the only duties to be performed by the employee in this position. Employees may be required to follow other job-related instructions and perform other job-related duties requested by an authorized person. All duties and responsibilities are essential functions and requirements and are subject to reasonable accommodation for qualified individuals with disabilities. The requirements listed are the minimum levels of knowledge, skills, and abilities. This document does not create an employment contract, implied or otherwise, and employment remains at will.
DynaTen leads the Dallas/Fort Worth Metroplex in engineering, mechanical contracting, building automation controls, service and maintenance since 1980. We take pride in offering our customers a comprehensive approach to mechanical construction design and service management, delivered by our highly skilled teams. With a dedicated 50,000 square foot prefabrication facility, we excel in fabricating sheet metal, piping, plumbing, and multi-trade rack (MTR) systems. Our innovative and advanced technical solutions are tailored to assist clients in maximizing efficiency, controlling costs, and meeting stringent new safety laws and environmental regulations. At DynaTen, we prioritize fostering professional growth and empowering our talented team to drive innovation and collaboration. We are building a legacy for our Colleagues, Clients and Community with industry leading Expertise and Execution. Together, we steer our growth and success, ensuring exceptional outcomes for both our team and our clients.

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