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Proponent Jobs (NOW HIRING)

Proponent, Inc

Accounts Receivable Specialist

Ontario, CA · On-site

$22 - $24/hr

Proponent is the world's largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in ...

Proponent, Inc

Supply Chain Coordinator

Ontario, CA · On-site

$25 - $28/hr

Proponent is the world's largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in ...

New

Proponent, Inc

Inspector Mechanical

Brea, CA · On-site

$35 - $38/hr

Proponent is the world's largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in ...

Proponent, Inc

Strategic Account Manager

Brea, CA · On-site

Proponent is the world's largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in ...

All Native Group

Instruct mixed populations of Soldiers - both inexperienced and seasoned - in class sizes directed by the medical proponent * Assess students' critical thinking and psychomotor skills under high ...

All Native Group

Instruct mixed populations of Soldiers - both inexperienced and seasoned - in class sizes directed by the medical proponent * Assess students' critical thinking and psychomotor skills under high ...

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How much do proponent jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for proponent in the United States is $59.61, according to ZipRecruiter salary data. Most workers in this role earn between $49.76 and $68.51 per hour, depending on experience, location, and employer.

What is a proponent?

Proponents are individuals or organizations that advocate for a particular idea, cause, project, or policy. Their primary role is to promote, support, and push forward initiatives by presenting arguments, gathering support, and engaging with stakeholders. Proponents can be found in fields such as law, government, community development, and business, often acting as champions for new proposals or changes. Their responsibilities may include preparing documentation, presenting evidence or benefits, and addressing concerns from the public or decision-makers.

What are the key skills and qualifications needed to thrive as a proponent?

To excel as a Proponent (such as a project or policy proponent), you need strong subject-matter expertise, research skills, and the ability to develop compelling proposals, typically supported by relevant educational or professional background. Familiarity with project management software, data analysis tools, and regulatory frameworks is often required. Outstanding communication, negotiation, and stakeholder engagement abilities are crucial soft skills for advocating effectively. These competencies are vital for successfully advancing initiatives, securing approvals, and building consensus among diverse audiences.

How does a proponent typically collaborate with stakeholders during the proposal development process?

As a Proponent, you will work closely with internal teams (such as project managers, subject matter experts, and finance departments) and external stakeholders (like clients or regulatory bodies) to gather necessary information and align on project goals. Effective communication and coordination are essential, as you may need to facilitate meetings, clarify requirements, and ensure all contributions are integrated into the final proposal. The role often involves balancing multiple perspectives and deadlines to deliver a compelling, compliant submission.

What cities are hiring for Proponent jobs?

Cities with the most Proponent job openings:

What states have the most Proponent jobs?

States with the most job openings for Proponent jobs include:

What job categories do people searching Proponent jobs look for?

The top searched job categories for Proponent jobs are:

Proponent jobs near you
Infographic showing various Proponent job openings in the United States as of August 2026, with employment types broken down into 84% Full Time, 14% Part Time, and 2% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $123,994 per year, or $59.6 per hour.

Accounts Receivable Specialist

Ontario, CA • On-site

Proponent, Inc
See more jobs at Proponent, Incexternal

$22 - $24/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago

Job description

About Proponent:

Proponent is the world’s largest independent, employee-owned distributor of aircraft parts, serving customers worldwide. With more than 600 employees across 14 global locations, we take pride in helping keep thousands of aircraft flying safely and efficiently every day. For over 50 years, we’ve built the systems, relationships, and expertise that aviation relies on, from responsive quoting and on-time shipments to data-driven improvements that reduce turnaround time and cost. As a 100% employee-owned company, everyone at Proponent is an owner, which means we share responsibility for our success, look out for one another, and bring dedication and creativity to aviation logistics. Guided by our core values, empathy, intelligence, agility and integrity, we work as a trusted partner to keep aircraft in service and customers moving forward. At Proponent, you’ll join a global team committed to doing things right and supporting each other, helping keep aircraft flying and the world connected.

Accounts Receivable Specialist

Job Location: Ontario, CA

Job Summary: 

The Accounts Receivable Specialist is responsible for supporting the accuracy, timeliness, and integrity of customer billing and payment activity. The ideal candidate is detail-oriented, organized, and comfortable working with high-volume transactions while maintaining a customer-focused approach. This role requires strong communication skills to resolve billing questions, follow up on outstanding balances, and partner effectively with internal teams. The successful candidate will demonstrate sound judgment, confidentiality, and a commitment to process accuracy and continuous improvement.

Job Responsibilities: 

  • Process, post, and apply customer payments accurately and in accordance with company policies and procedures.
  • Prepare, review, and maintain customer invoices, statements, credits, and account records.
  • Monitor customer accounts for past-due balances, discrepancies, short payments, and other irregularities.
  • Communicate with customers regarding payment status, billing questions, and collection follow-up while maintaining positive business relationships.
  • Research and resolve billing discrepancies, unapplied cash, deductions, and customer account issues in a timely manner.
  • Reconcile accounts receivable activity and support month-end close processes, reporting, and audit requests.
  • Prepare and distribute aging reports, collection updates, and other accounts receivable metrics as needed.
  • Collaborate with Sales, Customer Service, Operations, and Finance teams to resolve account issues and improve cash application and collection processes.
  • Maintain accurate documentation and comply with internal controls, accounting procedures, and applicable regulatory requirements.

Requirements for Success:

  • High school diploma or equivalent required; associate or bachelor’s degree in Accounting, Finance, Business Administration, or related field preferred.
  • Working knowledge of basic accounting principles and accounts receivable processes.
  • Proficiency with Microsoft Office, including Excel; experience with ERP or accounting systems preferred.
  • Strong attention to detail, accuracy, organization, and follow-through.Excellent written and verbal communication skills with the ability to interact professionally with customers and internal stakeholders.
  • Ability to prioritize tasks, meet deadlines, and manage multiple responsibilities in a fast-paced environment.
  • Ability to handle confidential financial information with discretion and integrity

Benefits and Perks of joining the team: 

  • Medical, Dental, and Vision plan options
  • Employee Stock Ownership Plan
  • 401k Plan
  • Vacation, Sick, and Holidays
  • Good work-life balance
  • WFH Hybrid available for most positions

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