Purchasing Coordinator - Service

ADP, Inc.; Los Angeles (CA); On-site; USD 34,000 - 40,000; Full time

Job summary

AMPAM is seeking a Purchasing Coordinator in Wilmington, CA to manage procurement activities, maintain inventory levels, and support project schedules across HVAC, plumbing and electrical service work.

The role requires 2+ years in purchasing or supply chain, strong Excel/ERP experience, and excellent communication and data analysis skills. You will issue POs, track deliveries, negotiate with vendors, and coordinate with finance and field teams to ensure timely material availability.

Qualifications

• High school diploma or equivalent; associate or bachelor's degree in business, supply chain, or related field preferred.
• 2+ years of purchasing, procurement, or supply chain coordination experience.
• Proficiency with Microsoft Office Suite, especially Excel; experience with ERP or purchasing software a plus.
• Strong organizational and time management skills.
• Excellent written and verbal communication skills.
• Ability to analyze data and make informed purchasing decisions.
• Attention to detail and strong problem-solving skills.

Responsibilities

• Coordinate procurement of materials, equipment, and services per company policies.
• Issue and manage purchase orders; track deliveries and ensure timely receipt of materials.
• Communicate with vendors to obtain pricing, negotiate terms, and coordinate delivery schedules.
• Maintain purchasing records and update ERP data and price books.
• Monitor inventory levels and place orders to maintain stock.
• Collaborate with finance, operations, and field teams to forecast purchasing needs and support project schedules.
• Assist with vendor evaluations and maintain supplier records.
• Ensure compliance with policies, contractual requirements and regulations.
• Assist in preparing technician estimates, customer quotes, and pricing for service work.
• Data entry in Service Titan for HVAC, Plumbing and Electrical price books.
• Coordinate with technicians, vendors, subcontractors, and internal departments to support service operations.

Skills

Organizational skills

Communication

Data analysis

Attention to detail

Problem solving

Education

Business / supply chain degree

Tools

Excel

ERP software

Service Titan

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

FULL TIME Operations WILMINTON, CA, US

Salary Range: $25.00 To $29.00 Hourly

Who We Are

AMPAM is the leading design-build Mechanical, Electrical, and Plumbing (MEP) contractor serving large-scale multifamily and commercial projects across California. With 1,500 employees across multiple business units, we are committed to delivering quality, safety, and excellence in every project.

Job Summary

We are seeking a detail-oriented and organized Purchasing Coordinator to manage procurement activities and ensure timely and cost-effective acquisition of materials, supplies, and services. This role plays a critical part in maintaining inventory levels, coordinating with vendors, and supporting the procurement and supply chain departments.

Key Responsibilities Include: (But not limited to the following)

• Coordinate the procurement of materials, equipment, and services in accordance with company policies and procedures.
• Issue and manage purchase orders, track deliveries, and ensure the timely receipt of materials.
• Communicate with vendors to obtain pricing, negotiate terms, and coordinate delivery schedules.
• Maintain accurate purchasing records and update procurement data within internal systems, including ERP and Service Titan.
• Monitor inventory levels and place orders to maintain adequate stock.
• Collaborate with finance, operations, and field teams to forecast purchasing needs and support project schedules.
• Assist with vendor evaluations and maintain approved supplier and subcontractor records.
• Ensure compliance with company policies, contractual requirements, and applicable industry regulations.
• Assist in preparing technician estimates, customer quotes, and pricing for service work.
• Perform daily data entry and administrative tasks within Service Titan for HVAC, Plumbing and Electrical price books.
• Coordinate with technicians, vendors, subcontractors, and internal departments to support daily service operations and ensure timely job completion.

Qualifications

• High school diploma or equivalent required; associate or bachelor's degree in business, supply chain, or a related field preferred.
• 2+ years of experience in purchasing, procurement, or supply chain coordination.
• Proficiency in Microsoft Office Suite, especially Excel; experience with ERP or purchasing software is a plus.
• Strong organizational and time management skills.
• Excellent written and verbal communication skills.
• Ability to analyze data and make informed purchasing decisions.
• Attention to detail and strong problem-solving skills.

Preferred Skills

• Experience working in manufacturing, construction, retail, or other industry-specific environments.
• Knowledge of basic accounting and budgeting principles.
• Familiarity with sourcing and vendor management best practices.

Applicants must be currently authorized to work in the U.S. on a full-time basis without future employment sponsorship