📍 San Diego, California, United StatesFull Time

About this role

Rock West Composites, Inc. has an exciting opportunity for a Buyer.  


Rock West Composites, Inc. is an engineering and manufacturing company dedicated to providing innovative solutions for commercial and government customers. This position is located in San Diego, Ca and reports to the Supply Chain Director. 


Position Summary:

The Buyer verifies requisitions, prepares and negotiates POs, and partners with Engineering/Quality to source approved or equivalent materials. Manages suppliers and commodities for composites, calculate EOQ, maintain accurate ERP lead times, and expedites deliveries to meet production schedules. Reconciles receipts vs. POs, resolves discrepancies, controls shelf-life items to reduce scrap, and uses ERP/ABC analysis to validate demand and prioritize purchases.


Essential Functions:

Purchasing & Procurement Operations

  • Verifies purchase requisitions by comparing items requested to master list; clarifying unclear items; recommending alternatives.
  • Prepares purchase orders by verifying specifications and pricing; obtaining recommendations from suppliers for substitute items; obtaining approval from engineering or quality.
  • Obtains purchased items by forwarding purchase orders to suppliers; monitoring and expediting orders.
  • Negotiates purchase orders based on cost, terms, and service.

Supplier & Order Management

  • Verifies receipt of items by comparing items received to items ordered; resolves shipment discrepancies with suppliers.
  • Maintains accurate lead times in the ERP system consistent with supplier performance and operational needs.
  • Expedites delivery of goods to users as needed to support production schedules.
  • Demonstrates understanding of the supply base and commodities required for composite manufacturing.

Inventory Planning & Material Control

  • Ability to calculate Economic Order Quantities (EOQ) based on material cost, lead time, and usage.
  • Manages items with expiration dates to reduce overall scrap and material waste.
  • Analyzes data in the ERP system to validate demand and procure materials according to established ABC policies.

Systems, Accuracy & Continuous Improvement

  • Ensures accuracy and consistency of procurement and inventory data within the ERP system.
  • Supports operational efficiency through proactive planning, data analysis, and continuous process improvement.

NON-ESSENTIAL FUNCTIONS:

Other duties as assigned.


Required Education and Experience:

  • Bachelor’s Degree or equivalent of 10 years of buying experience.  
  • Purchasing certificate or APICs certification a plus 
  • Previous SAP experience a plus. 
  • US. Person under 22 CFR 120 (due to ITAR Restrictions


Perks and Benefits: 

  • 100% Employer Paid Medical and Dental 
  • Annual Bonus 
  • 401K - 5% match
  • Employee Stocks Option Program 
  • 9/80 work schedule
  • 8- paid Holidays 
  • PTO: Max. 4-weeks after 5 years of employment 
  • $2,500 tuition reimbursement 


Compensation:

The compensation range for this position falls within $80,000-$100,000. The final compensation will be determined based on experience, skillset,  and other factors permitted by law.


Why Rock West Composites:

At Rock West Composites, our people are critical to our success and this role has a direct impact on shaping that experience.


As a Buyer, you’ll manage procurement activities, maintain supplier relationships, and ensure the timely and cost-effective purchasing of materials and supplies. You’ll work closely with vendors, production teams, and internal departments to support operational demands, maintain accurate inventory levels, and contribute to efficient, organized, and compliant purchasing processes.


Rock West Composites is an Equal Opportunity Employer. It is the policy of the company to provide equal opportunity for all employees and applicants for employment without regard to race, color, religion, religious creed, ancestry, gender, pregnancy, sex, sexual orientation, transitioning status, gender identity, gender expression, national origin, age, genetic information, military and veteran status, marital status, medical condition, mental disability, physical disability, or any other basis protected by local, state, or federal law. EEO is the law. We also prohibit compensation discrimination under all applicable laws. Certain positions require meeting the U.S. Person definition in 22 CFR 120.62.


ITAR Requirement:

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder) as defined by 8 U.S.C. 1101(a)(20), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C. 1158, Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. Rock West Composites will not offer immigration sponsorship for this position. Rock West Composites will not seek an export authorization for this role. Rock West Composites maintains a Drug and Alcohol-Free Workplace. Depending on state law and the nature of the position, candidates who receive a conditional offer of employment may be required to complete a drug screening. Rock West Composites may also conduct drug and alcohol testing based on reasonable suspicion, post-incident, or for safety-sensitive positions as permitted by law.


If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact 858-537-6260.

Frequently Asked Questions

Is the salary disclosed for the Buyer position at rockwest?
The salary for this Buyer role at rockwest is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Buyer position at rockwest located?
This Buyer role at rockwest is based in San Diego, California, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Buyer role at rockwest full-time or part-time?
This is listed as a Full Time position. It is posted as a Buyer role in the GA department at rockwest.
Which team or department does the Buyer at rockwest belong to?
This Buyer position is part of the GA department at rockwest. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Buyer position at rockwest?
Click the "Apply Now" button on this page. You will be redirected to rockwest's official application portal hosted on bamboohr where you can submit your application directly.
When was the Buyer job at rockwest posted?
This Buyer position at rockwest was posted on Jan 16, 2026. Apply as soon as possible — early applications are often reviewed first.

You'll be redirected to rockwest's official application page on bamboohr.