Purchasing Agent

Westport Inc; Monrovia (CA); On-site; USD 70,000 - 95,000; Full time

Job summary

Westport Inc is seeking a Purchasing Agent to enhance our construction projects through effective procurement processes. The ideal candidate will have a strong background in construction purchasing, alongside outstanding analytical, negotiation, and communication skills. Join us to help build communities with purpose, while enjoying excellent benefits and opportunities for career growth.

Benefits

Employer-Paid Health Benefits (Medical, Dental, Vision)

401(k) Plan with Company Match

Employee Assistance Program (EAP)

Tuition Reimbursement for continuing education

Paid Time Off & Holidays

Opportunities for Career Growth and Development

Qualifications

• Minimum 5 years of experience in construction purchasing.
• Strong understanding of construction specifications and subcontractor relationships.
• Proficient in construction management software.

Responsibilities

• Coordinate trade partner procurement and analyze bids.
• Draft and manage subcontract agreements and purchase orders.
• Support Project Managers with change orders and cost-saving measures.

Skills

Communication

Analytical Skills

Negotiation

Organization

Education

Bachelor’s degree in Construction Management, Engineering, or related field

Tools

Microsoft Word

Microsoft Excel

BuildingConnected

Procore

DocuSign

Job description

Description

About Us:

At Westport Construction, we don’t just build projects—we build communities. As a mid-size general contractor specializing in multifamily, commercial, and infrastructure projects, we are committed to quality, safety, and the long-term success of our team members. We believe in Partnering with Purpose, ensuring every project strengthens the community, fosters sustainable growth, and creates lasting value for our clients and stakeholders.

We are currently seeking a Purchasing Agent to join our team. This role plays a key part in coordinating trade partner procurement, analyzing bids, and supporting contract execution that directly impacts the success of our construction projects.

What You’ll Do:

Bid Coordination & Subcontractor Procurement

• Solicit, review, and evaluate subcontractor bids for completeness and compliance with project specifications.
• Prepare bid comparisons and make contract award recommendations to the Purchasing Manager.
• Conduct scope reviews and trade meetings to clarify project deliverables and expectations.
• Draft, issue, and manage subcontract agreements, purchase orders, and supporting documentation.

Project Support & Cost Control

• Support Project Managers in reviewing change orders, back charges, and claims for additional compensation.
• Coordinate value engineering (VE) suggestions and cost-saving measures for client consideration.
• Provide pricing and scope support for plan updates or significant design changes.
• Maintain and update trade partner databases, cost logs, and buyout schedules.

Cross-Team Collaboration & Documentation

• Work closely with the Director of Purchasing and project teams to ensure timely contract execution.
• Track subcontractor compliance and maintain thorough records, including prequalification data.
• Prepare correspondence, bid logs, reports, and other materials for internal and client-facing use.
• Participate in buyout meetings, jobsite walks, and project startup coordination.

What You Bring to the Table:

• Minimum 5 years of experience in construction purchasing, preferably in multifamily projects.
• Bachelor’s degree in Construction Management, Engineering, or a related field preferred.
• Strong understanding of construction specifications, scopes of work, and subcontractor relationships.
• Proficiency in Microsoft Word, Excel, and Outlook; experience with BuildingConnected, Procore, PM Web, DocuSign, or Dropbox is highly desirable.
• Excellent communication, analytical, and negotiation skills.
• Highly organized, proactive, and capable of managing multiple priorities independently.
• Professional, team-oriented approach with a high level of personal integrity and confidentiality.

Perks & Benefits:

• Employer-Paid Health Benefits (Medical, Dental, Vision)
• 401(k) Plan with Company Match
• Employee Assistance Program (EAP)
• Tuition Reimbursement for continuing education
• Paid Time Off & Holidays
• Opportunities for Career Growth and Development

Join Us in Building the Future:

If you are a strategic thinker with a passion for purchasing and construction excellence, apply today and discover what it means to build with purpose at Westport Construction.