Administrative Assistant

The MasTec CompaniesPomona, CA

About The Position

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.

Requirements

  • Minimum of 3 years of Accounts Payable experience
  • Intermediate level Microsoft Office skills
  • Accounting software proficiency
  • Strong attention to detail
  • Excellent verbal and written communication skills
  • Ability to work independently and prioritize tasks
  • Experience in financial bookkeeping software
  • Expert-Level knowledge of spreadsheets
  • Experience with word-processing tools is essential for generating and writing reports for record-keeping and presentations
  • General ledger experience
  • Attention to detail & thoroughness
  • Highly organized
  • Analytical skills, data entry skills & general math skills
  • High School Diploma, GED, or equivalent required
  • 3+ years of accounting experience required

Nice To Haves

  • Experience working in JD Edwards
  • Understanding of current accounting trends
  • Experience with budget creation and finance management
  • Bachelor's degree in accounting, finance, or related field preferred
  • Previous experience in accounts payable in the Construction Industry preferred

Responsibilities

  • Monitors and manages the Accounts Payable inbox, receiving and routing vendor invoices and inquiries.
  • Processes invoices for payment by verifying accuracy and required information in JD Edwards.
  • Uses ScanMan (OCR) to scan, upload, and index vendor invoices.
  • Assigns correct business unit (BU) numbers and supplier IDs to invoices.
  • Follows up with internal teams to obtain proper coding and approvals for invoices.
  • Assists with resolving basic invoice and vendor questions.
  • Helps reconcile vendor statements and supports invoice research as needed.
  • Maintains AP records by scanning, filing, and organizing documents.
  • Provides customer service to internal departments and vendors regarding AP-related inquiries.
  • Learns Accounts Payable processes and follows company procedures and best practices.
  • Maintains confidentiality of financial and company information.
  • Performs other administrative and accounting support duties as assigned.
  • Assist the project controls team with other administrative functions to include customer billing.

Benefits

  • 401(k) Plan
  • Employee Stock Purchase Plan
  • Health, Dental, & Vision Insurance
  • Voluntary Life Insurance
  • Voluntary Short Term & Long-Term Disability
  • Paid time off
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service