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Purchasing Assistant Jobs in Riverside, CA (NOW HIRING)

Robert Half

Purchasing Clerk

Ontario, CA · On-site

$20.90 - $24.20/hr

Maintain organized purchasing files and supporting documentation to ensure records are current and easy to reference. * Assist with inventory reporting by updating tracking information and compiling ...

New

HR Direct Services

Purchasing Clerk

Ontario, CA · On-site

$22 - $24/hr

Work closely with the design team to assist with forecasting trends for new products * Prepare and ... Verify part counts against purchase orders, manufacturing orders, and vendor packing lists

Nura

Buyer I

Irvine, CA · On-site

$60K - $70K/yr

Contact vendors to request information regarding price, availability, lead time, and product specifications. * Assist purchasing manager in negotiating prices, timelines, and other terms, and ...

Triple-S Steel

Purchasing Coordinator

Fontana, CA · On-site

$18 - $21/hr

Obtain missing documents e.g., bills of lading and test reports from mills and other vendors. * Assist with pre-receiving of railcar shipments and uploading of test reports. * Enter purchase orders ...

New

Triple-S Steel

Purchasing Coordinator

Fontana, CA

$18 - $21/hr

Obtain missing documents e.g., bills of lading and test reports from mills and other vendors. * Assist with pre-receiving of railcar shipments and uploading of test reports. * Enter purchase orders ...

New

Nura

Buyer I

Irvine, CA · On-site

Contact vendors to request information regarding price, availability, lead time, and product specifications. * Assist purchasing manager in negotiating prices, timelines, and other terms, and ...

Nura

Buyer I

Irvine, CA · On-site

Contact vendors to request information regarding price, availability, lead time, and product specifications. * Assist purchasing manager in negotiating prices, timelines, and other terms, and ...

Nura

Buyer I

Irvine, CA · On-site

Contact vendors to request information regarding price, availability, lead time, and product specifications. * Assist purchasing manager in negotiating prices, timelines, and other terms, and ...

MaxLinear, Inc.

Purchasing Specialist

Irvine, CA

$22 - $27/hr

S. offices * Assist accounting and receiving functions with invoices, receipts, and month-end ... Keep a record of credit card purchases to support monthly statement reconciliation * Assist with ...

MaxLinear, Inc.

Purchasing Specialist

Irvine, CA · On-site

$22 - $27/hr

S. offices * Assist accounting and receiving functions with invoices, receipts, and month-end ... Keep a record of credit card purchases to support monthly statement reconciliation * Assist with ...

Lennar

Purchasing Coordinator

Irvine, CA · On-site

$20.29 - $33/hr

Perform filing, copying, and other administrative tasks within the department. * Assist Purchasing with bidding for new projects. * Interface with the Accounting Department to ensure timely payment ...

MaxLinear, Inc.

Purchasing Specialist

Irvine, CA · On-site

$22 - $27/hr

MaxLinear is seeking a Purchasing Specialist to join our team. In this role, you will focus on the ... S. offices * Assist accounting and receiving functions with invoices, receipts, and month-end ...

City of Chino

Purchasing Manager

Chino, CA · On-site

$8.2K - $10K/mo

Pending City Council's approval, the Purchasing Manager will have an updated salary range of: $9,155.39 to $12,108.00 per month. ----- Are you a proactive problem-solver ready to make a real impact ...

City of Chino, CA

Purchasing Manager

Chino, CA · On-site

$8.2K - $10K/mo

Pending City Council's approval, the Purchasing Manager will have an updated salary range of: $9,155.39 to $12,108.00 per month. Are you a proactive problem-solver ready to make a real impact? Do you ...

Advantest

Purchasing Manager

Lake Forest, CA · On-site

Purchasing Manager The Purchasing Manager is the primary individual who has delegated responsibility for overall management and performance of assigned major/critical subcontract(s) and suppliers and ...

Advantest

Purchasing Manager

Lake Forest, CA · On-site

Purchasing Manager The Purchasing Manager is the primary individual who has delegated responsibility for overall management and performance of assigned major/critical subcontract(s) and suppliers and ...

Crown Technical Systems

Purchasing Agent

Fontana, CA · On-site

$61K - $84K/yr

Checking the purchase orders and modifying them according to the changes in the production plan with the help of the Shortage List and the Open Purchase Order List. * Tracking shipments, urging them ...

Flex Ltd.

Purchasing Agent

Fontana, CA · On-site

$61K - $84K/yr

Checking the purchase orders and modifying them according to the changes in the production plan with the help of the Shortage List and the Open Purchase Order List. * Tracking shipments, urging them ...

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Showing results 21-40

All JobsPurchasing JobsPurchasing Assistant JobsPurchasing Assistant Jobs in Riverside, CA

Purchasing Assistant information

See Riverside, CA salary details

$13

$22

$31

How much do purchasing assistant jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for purchasing assistant in Riverside, CA is $22.41, according to ZipRecruiter salary data. Most workers in this role earn between $19.04 and $24.57 per hour, depending on experience, location, and employer.

Is a purchasing assistant job stressful?

A purchasing assistant job can be stressful due to tight deadlines, managing supplier relationships, and ensuring accurate inventory levels. The role often requires attention to detail, organizational skills, and the ability to handle multiple tasks simultaneously, which can contribute to work-related stress.

What is the difference between Purchasing Assistant vs Procurement Clerk?

AspectPurchasing AssistantProcurement Clerk
CredentialsHigh school diploma, some roles may require certifications in purchasing or supply chainHigh school diploma, familiarity with procurement processes
Work EnvironmentOffice setting, supporting purchasing teamsOffice environment, handling procurement documentation
Employer & Industry UsageRetail, manufacturing, logistics companiesGovernment agencies, large corporations, public sector
Common Search & ComparisonOften compared for entry-level purchasing rolesRelated to procurement process support roles

The Purchasing Assistant and Procurement Clerk roles share similarities in supporting purchasing and procurement activities, often requiring similar credentials and working in office environments. However, Purchasing Assistants typically focus on assisting with purchase orders and supplier communication, while Procurement Clerks handle procurement documentation and record-keeping. Both roles are essential in supply chain operations across various industries.

What are some common challenges purchasing assistants face when coordinating with suppliers, and how can these be managed effectively?

Purchasing Assistants often encounter challenges such as delayed shipments, miscommunications about order specifications, or fluctuating prices. To manage these issues effectively, it's important to maintain clear and consistent communication with suppliers, document all agreements, and proactively follow up on delivery timelines. Building strong relationships with preferred vendors and staying organized with detailed records can help resolve issues quickly and minimize disruptions to the supply chain.

How much does a purchasing assistant make?

In Pennsylvania, a purchasing assistant typically earns between $35,000 and $50,000 annually, depending on experience, industry, and location. Entry-level roles may start lower, while experienced assistants with certifications or specialized skills can earn higher salaries. The job often requires proficiency with procurement software and strong organizational skills.

What are the key skills and qualifications needed to thrive as a purchasing assistant, and why are they important?

To thrive as a Purchasing Assistant, you need strong organizational skills, attention to detail, and a basic understanding of procurement processes, often supported by a relevant associate degree or experience in supply chain management. Familiarity with procurement software, inventory management systems, and Excel is typically required. Effective communication, time management, and problem-solving abilities are essential soft skills for this role. These competencies ensure accurate order processing, timely supplier coordination, and efficient support for the purchasing department’s operations.

What is a purchasing assistant?

As a purchasing assistant, you buy products for your company to sell or use in operations. Your job duties entail communicating with vendors to obtain goods at the best prices, tracking product inventory, monitoring sales trends, and placing orders on products. Purchasing assistants often play a role in choosing which products to stock. The career requires you have some formal qualifications and education, generally a bachelor’s degree in business or a related field, excellent computer skills, and prior sales experience. It is necessary to develop knowledge of your specific industry, including normal sales and revenue trends.

How much do purchasing assistants make?

Purchasing assistants typically earn between $35,000 and $55,000 annually, depending on experience, location, and industry. Entry-level roles may start lower, while experienced assistants or those in specialized sectors can earn higher salaries. Strong organizational and negotiation skills are often required for higher pay levels.
More about Purchasing Assistant jobs
What are the most commonly searched types of Purchasing jobs in Riverside, CA? The most popular types of Purchasing jobs in Riverside, CA are:
What are popular job titles related to Purchasing Assistant jobs in Riverside, CA? For Purchasing Assistant jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Purchasing Assistant jobs in Riverside, CA look for? The top searched job categories for Purchasing Assistant jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Purchasing Assistant jobs? Cities near Riverside, CA with the most Purchasing Assistant job openings:
Purchasing Assistant jobs near you
Infographic showing various Purchasing Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $46,621 per year, or $22.4 per hour.

Purchasing Clerk

Robert Half

Ontario, CA • On-site

$20.90 - $24.20/hr

Temporary

Posted 3 days ago

New

Job description

We are looking for a detail-focused Purchasing Clerk to join a team in Ontario, California and help keep procurement and inventory activities organized and running smoothly. This Contract position is well suited for someone who enjoys working with numbers, coordinating across teams, and ensuring purchasing information is accurate from order entry through record maintenance. The role supports day-to-day buying functions, inventory visibility, and vendor communication in a fast-paced environment. Strong Excel capability, sound judgment, and a dependable, team-oriented approach will be important for success.
Responsibilities:
• Review stock levels and purchasing data to help maintain appropriate inventory availability and prevent shortages or overages.
• Prepare, enter, and follow through on purchase orders while checking details for accuracy, completeness, and timely processing.
• Partner with warehouse staff to understand replenishment needs, align order timing, and support efficient material flow.
• Communicate with suppliers to confirm order status, delivery schedules, and product availability while resolving routine questions.
• Maintain organized purchasing files and supporting documentation to ensure records are current and easy to reference.
• Assist with inventory reporting by updating tracking information and compiling data for internal review.
• Use Excel tools such as formulas, lookups, and pivot tables to evaluate purchasing trends and support decision-making.
• Contribute to daily procurement tasks and provide assistance on additional assignments or high-volume periods as needed.• Prior experience in purchasing, procurement, inventory control, or a related purchasing support role is required.
• Working knowledge of purchasing processes and inventory management practices.
• Strong Microsoft Excel skills, including formulas, pivot tables, VLOOKUPs, and data-based reporting.
• Solid math aptitude with the ability to perform calculations and unit conversions accurately.
• High level of attention to detail with the ability to keep information organized and complete.
• Effective communication skills and the ability to collaborate productively with warehouse and operations teams.
• Ability to manage multiple priorities in a busy environment while maintaining accuracy and follow-through.
• Experience with purchasing software or ERP systems is preferred; familiarity with Vijole is a plus, and training will be provided.
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About Robert Half

Sourced by ZipRecruiter

Founded in 1948, Robert Half pioneered the idea of professional talent solutions to connect opportunities at great companies with highly skilled job seekers. As business needs changed, we evolved to offer specialized talent solutions for finance and accounting, technology, administrative and customer support, creative and marketing, and legal fields. In 2002, we introduced our subsidiary, Protiviti, a global independent risk consulting and internal audit service, to support companies as they faced more strategic business challenges.

Industry

Recruiting and staffing services

Company size

10,000+ Employees

Headquarters location

San Ramon, CA, US

Year founded

1948

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