Accounts Payable-Receivable Accounting Assistant

NOW HIRING!

Karber Corporation (K CORP) is a full-service mechanical and plumbing contractor. Our projects span data centers, healthcare, manufacturing, schools, aviation, office, and hospitality sectors. We believe that talent comes from all walks of life. Ambition and hard work are the only prerequisites to achieving your goals at K CORP. Whether you aspire to become a highly skilled tradesperson or the president of our company, there are no limits to what you can achieve here!

We are seeking a highly motivated and detail-oriented Accounts Payable/Accounts Receivable Accounting Assistant is responsible for supporting the day-to-day financial operations of a growing commercial HVAC and plumbing company. This position assists with processing vendor invoices, customer billing, collections, cash applications, and general accounting support while ensuring accurate financial records and exceptional service to both internal and external customers.

 This role supports the accounting department through strong organizational skills, attention to detail, and effective communication with vendors, internal staff, and management.

WHAT WE OFFER:

• Competitive hourly rate
• Comprehensive benefits including Medical, Dental, Vision, Life & AD&D, and Disability
• 401(k) retirement savings with Employer Match Contribution
• Employee Discount Program(s)
• Employee Assistance Program (EAP)
• Paid Time Off
• Paid Holidays
• A collaborative work environment
• Opportunities for career growth in a rapidly expanding company

OUR CORE VALUES:

• We do what’s right: Being ethical and transparent every step of the way.
• We show up: Fully for our customers, our business, and each other, every single time.
• We take pride: In bringing buildings to life.
• We own our actions: And deliver on our promises.
• We stay true: Embracing relentless growth and fostering unstoppable collaboration.
• We have fun: While being awesome.

ESSENTIAL DUTIES:

Accounts Payable

• Review, verify, and process vendor invoices and subcontractor billings.
• Match purchase orders, receiving documents, and invoices.
• Schedule and process weekly check runs, ACH, and electronic payments.
• Reconcile vendor statements and resolve discrepancies.
• Maintain W-9 records and assist with annual 1099 preparation.
• Track job-cost-related expenses and ensure accurate coding.

Accounts Receivable

• Generate customer invoices for service, maintenance, and construction projects.
• Apply cash receipts and customer payments accurately.
• Monitor aging reports and follow up on overdue accounts.
• Communicate professionally with customers regarding billing issues.
• Research and resolve payment discrepancies.
• Support lien release and collection documentation as required.

General Accounting Support

• Assist with month-end closing activities.
• Perform account reconciliations.
• Maintain accurate customer and vendor records.
• Support payroll and human resources administration as needed.
• Prepare reports for management regarding A/R aging, collections, and cash flow.
• Assist with audits and financial documentation requests.
• Support implementation and maintenance of accounting procedures and internal controls.

WHAT WE ARE LOOKING FOR:

REQUIREMENTS:

• High school diploma or GED required.
• Associate degree in Accounting, Business, or related field preferred.
• 2+ years of Accounts Payable and/or Accounts Receivable experience.
• Proficiency with Microsoft Excel, Word, and Outlook.
• Experience with accounting software such as QuickBooks, Sage, Viewpoint, Foundation, NetSuite, or similar ERP systems.
• Strong attention to detail and accuracy.
• Excellent organizational and time management skills.
• Ability to manage multiple priorities in a fast-paced environment.

PREFERRED QUALIFICATIONS:

• Experience in commercial HVAC, plumbing, mechanical contracting, construction, or service industries.
• Understanding of job costing and project accounting.
• Knowledge of Arizona sales tax requirements.
• Experience processing high-volume invoices.
• Familiarity with Sage Intacct and Service Titan.
• Knowledge of lien waivers, insurance tracking, or job cost accounting.

Soft Skills

• Clear and professional communication skills.
• Strong problem‑solving and follow‑through.
• Ability to multitask and meet deadlines in a fast‑paced environment.
• Team‑oriented with a positive, solution‑focused mindset.

Work Environment

• This is a fully onsite position; remote or hybrid work is not available.
• Standard office environment with frequent interaction with vendors, project managers, leadership, and the accounting team.