Overview

About The CompanyDynamic Systems (DSI), LLC is a leading engineering, fabrication, construction, and specialty systems provider serving high-tech manufacturing, semiconductor, mission critical, life sciences, industrial, and advanced technology clients across the United States. DSI delivers turnkey solutions including process piping, specialty gas and ultra-high-purity systems, mechanical/HVAC, modular fabrication, and utility infrastructure.As part of the Quanta Services family of companies, DSI combines the agility of a specialized mechanical contractor with the resources, stability, and national reach of one of North America's premier infrastructure companies.Position SummaryOwns how DSI buys materials, equipment, and trade services across its mechanical and plumbing projects. Works closely with project managers, estimators, field and fabrication teams, and accounting to keep materials on schedule, subcontractors compliant, and project margins protected. This role manages the supply and subcontractor base that supports DSI's core mechanical scope. It is not a stand-alone purchasing function.Key ResponsibilitiesBuild and maintain positive, ongoing relationships with suppliers, manufacturers, subcontractors, and internal project teamsSource, quote, and purchase HVAC, plumbing, and process piping materials and equipment, including long-lead items such as chillers, air handlers, pumps, and specialty valvesIssue and track purchase orders and subcontracts against project budgets and cost codesCoordinate submittals, release schedules, delivery, and expediting with project teams and DSI's offsite fabrication and modular teamsBuy and track materials against fabrication schedules and shop-to-field shipping milestonesNegotiate pricing, terms, and volume agreements, and flag commodity and equipment cost escalations to project teams earlyPrequalify and maintain an approved subcontractor and vendor list covering safety record, financial stability, capacity, and referencesPrepare bid packages and scopes of work, level bids, and recommend awards to project leadershipPrepare, negotiate, and issue subcontracts, change orders, and amendments in line with DSI and Quanta contract standardsTrack certificates of insurance, licenses, W-9s, lien waivers, and other compliance documentsReview subcontractors pay applications, retainage, and back charges with project managers and accountingReconcile receiving, packing slips, and invoices, and resolve discrepancies, backorders, and returnsMaintain procurement logs, buyout status, and open-commitment reports, and contribute to monthly project reviewsAddress subcontractor performance, schedule, and quality issues and escalate risks to project and operations leadershipSupport project closeout, including warranties, O&Ms, final lien waivers, and retainage releaseFollow company approval and segregation-of-duties policies and support audit and compliance requestsQualificationsRequired• 8+ years of procurement, purchasing, or subcontract administration experience, preferably with a mechanical, HVAC, plumbing, or specialty contractor• Working knowledge of mechanical systems, materials, and equipment• Experience with subcontract agreements, change orders, lien waivers, and insurance requirements• Strong negotiation, organization, and communication skills• Proficiency in Microsoft Office, especially Excel, and ERP or project-management systems (e.g., Vista, D365)Preferred• Bachelor's degree in construction management, supply chain, business, or engineering, or equivalent experience• Experience reading mechanical drawings and specifications• Familiarity with Autodesk Construction Cloud (ACC)• Professional certification (e.g., CPSM, CCCA)• Experience with high-tech, semiconductor, healthcare, or mission-critical projectsPId46c-3758