Purchasing Specialist

ADP, Inc.; Anaheim (CA); On-site; USD 60,000 - 75,000; Full time

Job summary

ADP, Inc. is seeking a detail-oriented Purchasing Specialist to source, purchase, and coordinate materials for commercial service operations.

The role interfaces with service technicians, project managers, dispatchers, and vendors to ensure materials are available on time and cost-efficient. Preferred candidates have ServiceTitan or similar field service software experience and a track record in fast-paced environments.

Qualifications

• 2+ years of purchasing, procurement, inventory management, or materials coordination experience.
• Experience working within a commercial service, construction, or skilled trades environment.
• Strong understanding of purchase orders, vendor management, material sourcing, and inventory processes.
• Ability to manage multiple purchasing requests in a fast-paced, service-driven environment.
• Strong organizational, communication, and problem-solving skills.
• Proficiency in Microsoft Office, particularly Excel.

Responsibilities

• Purchasing & Procurement: Manage the purchasing of materials, parts, equipment, and supplies for commercial service and installation operations.
• Process purchase orders, obtain vendor quotes, and ensure timely ordering and delivery of materials.
• Source and negotiate pricing with suppliers to maintain competitive costs and maximize profitability.
• Identify reliable vendors and develop strong supplier relationships.
• Monitor outstanding purchase orders, backorders, and delivery schedules.
• Ensure materials meet job specifications, quality standards, and operational requirements.
• Systems & Administrative Responsibilities: Utilize ServiceTitan or similar software to manage purchasing activities, track materials, and support job costing.

Skills

Vendor management

Procurement

Inventory control

ERP systems

Microsoft Excel

Education

Associates degree in supply chain or business

High school diploma

Tools

ServiceTitan

BuildOps

ERP software

Job description

Industry: Commercial Services | Doors, Gates, Access Control & Field Services
Employment Type: Full-Time

Position Summary

We are seeking a highly organized, detail-oriented Purchasing Specialist to support our growing commercial service operations. This individual will be responsible for sourcing, purchasing, and coordinating the delivery of materials, equipment, parts, and supplies necessary to support installation, maintenance, repair, and service projects.

The ideal candidate will have purchasing or procurement experience within a commercial service-based industry, such as commercial doors, automatic gates, access control, HVAC, electrical, plumbing, construction, or other skilled trades.

Experience with ServiceTitan or similar field service management software is highly preferred. This position requires someone who can work effectively with service technicians, project managers, dispatchers, and vendors to ensure materials are available when needed while maintaining cost efficiency and accurate inventory records.

Key Responsibilities

Purchasing & Procurement

Manage the purchasing of materials, parts, equipment, and supplies for commercial service and installation operations.

Process purchase orders, obtain vendor quotes, and ensure timely ordering and delivery of materials.

Source and negotiate pricing with suppliers to maintain competitive costs and maximize profitability.

Identify reliable vendors and develop strong supplier relationships.

Monitor outstanding purchase orders, backorders, and delivery schedules.

Ensure materials meet job specifications, quality standards, and operational requirements.

Service & Operations Support

Coordinate with service technicians, dispatchers, project managers, and operations leadership to identify material requirements.

Prioritize purchasing requests based on service urgency, project deadlines, and customer needs.

Source specialty parts and replacement components for commercial doors, automatic gates, access control systems, and related equipment.

Coordinate material deliveries to job sites, warehouses, and branch locations.

Assist with emergency purchasing requests to minimize technician downtime.

Track material usage and ensure accurate allocation of purchases to service jobs and projects.

Monitor inventory levels and coordinate replenishment of commonly used parts and supplies.

Maintain accurate purchasing records, pricing information, and vendor documentation.

Assist with inventory reconciliation, cycle counts, and stock organization.

Identify opportunities for cost savings, improved purchasing processes, and vendor consolidation.

Coordinate returns, warranty claims, credits, and exchanges with suppliers.

Systems & Administrative Responsibilities

Utilize ServiceTitan or similar software to manage purchasing activities, track materials, and support job costing.

Maintain accurate purchase orders, receipts, invoices, and inventory transactions.

Work with accounting to resolve discrepancies between purchase orders, invoices, and deliveries.

Monitor purchasing trends, material costs, and vendor performance.

Support improvements to purchasing procedures and operational workflows.

Qualifications

Required

2+ years of purchasing, procurement, inventory management, or materials coordination experience.

Experience working within a commercial service, construction, or skilled trades environment.

Strong understanding of purchase orders, vendor management, material sourcing, and inventory processes.

Ability to manage multiple purchasing requests in a fast-paced, service-driven environment.

Strong organizational, communication, and problem-solving skills.

Proficiency in Microsoft Office, particularly Excel.

Experience working with purchasing, inventory management, ERP, or field service software.

Preferred

Experience with ServiceTitan or comparable field service management platforms such as BuildOps, FieldEdge, ServiceTrade, or similar systems.

Purchasing experience within commercial overhead doors, automatic gates, access control, HVAC, electrical, plumbing, or mechanical services.

Familiarity with parts, equipment, and materials commonly used in commercial installation and service operations.

Experience supporting field technicians and coordinating time-sensitive material deliveries.

Knowledge of job costing, purchase order reconciliation, and inventory control.

Experience working in a multi-branch or multi-location service organization.

Ideal Candidate

The successful candidate is proactive, resourceful, and comfortable working in a fast-moving commercial service environment. They understand that efficient purchasing directly impacts technician productivity, customer satisfaction, and overall profitability.

They can anticipate material needs, communicate effectively with field teams, manage multiple vendor relationships, and ensure the right materials arrive at the right place and time.