Administrative Assistant AP

Job Locations US-CA-Pomona
Requisition Post Information* : Posted Date 2 days ago(1/27/2026 2:57 PM)
Requisition ID
2026-58994
Candidate Search Category (Portal Searching)
Accounting/Finance
Employee Type (Portal Searching)
Regular Full-Time
Workplace Style
On-Site

Overview

Comany Overview:

Henkels & McCoy West works closely with clients from diverse markets to build enduring partnerships throughout the Western United States. Our team of seasoned professionals' designs, builds, manages, and maintains critical and sustainable infrastructure for the power, oil & gas pipeline, gas distribution, and communications industries. Building on a 100-year legacy of performance and service to utility, commercial, industrial, and government clients, H&M West brings together extensive knowledge and innovation to deliver infrastructure construction solutions that meet future energy needs today.

 

H&M West is a purpose-driven company. Our core values guide our strategy, performance, and culture. We believe in maintaining an environment where team members can make an impact, grow, and thrive. A place where they find meaning and purpose in doing the important work of ensuring communities have the vital energy, light, and communications to prosper. Our culture is inclusive and welcoming. Our teams are empowered with abundant training, tools, and opportunities to follow their curiosity and ambitions. Everyone has an equal chance to advance. Everyone is supported, respected, and challenged to be their best. We’re always looking for talented and dedicated people to join us and love where they work.

 

Henkels & McCoy West is a proud subsidiary of MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading contractors in the country. H&M West is part of the MasTec Power Delivery segment. We are certified as a minority-controlled company by the National Minority Suppliers Development Council (NMSDC). Our rich diversity of people and ideas makes us a stronger, more innovative organization.

The Senior Project Manager provides project-related management for small to mid-scale construction projects across various markets within an assigned Region or Division and is responsible for utilizing H&M's Project Management Methodology to manage all phases of the construction project lifecycle, while being accountable for all aspects of each project's success.

 

Position Summary:

The Administrative Assistant AP role is responsible for managing vendor payments, processing invoices, and maintaining accurate financial records. This role requires a minimum of 1 year of Accounts Payable experience, intermediate level Microsoft Office skills, and accounting software proficiency. The ideal candidate is someone with strong attention to detail, excellent verbal and written communication skills, and the ability to work independently and prioritize tasks.

This position is a temporary role slated for six months and has the potential for conversion to full time employment based on overall performance.

Responsibilities

  • Monitor Scanman inbox and ensure all invoices received or properly followed up on.
  • Learns and utilizes Scan Man/DDE to process AP invoices from vendors
  • Takes ownership in BUs assigned. Actively works with Project Controls and Operations teams to ensure outstanding AP invoices are coded and approved.
  • Actively learn AP best practices by participating in Company sponsored training opportunities and taking advantage of internal best practices passed on by AP management team.
  • Provides excellent customer service to Accounts Payable customers which include all Company internal departments and vendors
  • Assigns correct business unit (BU) numbers and supplier IDs to invoices received via the OCR Scanman application.
  • As assigned by AP Leads and AP Supervisor, verifies vendor accounts by reconciling monthly statements and related transactions
  • Maintains historical records by scanning and filing documents
  • Protects the organization's value by keeping information confidential
  • Accomplishes accounting and organization mission by completing related results as needed.

Qualifications

  • 1+ years of accounting experience required
  • High School Diploma, GED, or equivalent required
  • Prior experience in accounts payable via the construction industry is preferred

Required & Preferred Qualifications: 

  • Exposure to financial bookkeeping software
  • Intermediate-Level knowledge of Microsoft Office Suites (Word, Excel)
  • Familiar and possess a good understanding of a general ledger
  • Highly organized, detailed, and thorough
  • Analytical skills, data entry skills & general math skills
  • Experience working in JD Edwards (preferred)
  • Understanding of current accounting trends (preferred)

Hourly Range: $25.00 to $31.00/Hour

 

Benefits:

Full-time employees are eligible to participate in our benefit plan which includes the following: 

  • 401(k) Plan 
  • Employee Stock Purchase Plan 
  • Health, Dental, & Vision Insurance 
  • Voluntary Life Insurance 
  • Voluntary Short Term & Long-Term Disability 
  • Paid time off 

Henkels & McCoy West is an Equal Opportunity Employer of Minorities, Females, Protected Veterans, and Individuals with Disabilities.

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