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Office Administrator Assistant

ECS Southwest, LLP
United States, Texas, Carrollton
3033 Kellway Drive (Show on map)
Sep 30, 2025
Position & Office Overview

As an Office Administrator, you are an invaluable asset who is critical to the success of the organization. The office runs like a well-oiled machine because of your hard work and efforts. Technology is second nature to you - you are comfortable using computers and other office equipment to complete administrative and human resources-related tasks. Maintaining a relationship with our employees and clients is a breeze because of your exceptional ability to communicate. You are extremely dependable and put your best effort into all responsibilities. You get the "big" picture and want to contribute accordingly - and that's why you'll have all the opportunity for career growth within our company you'll want.


Responsibilities

Resposibilities

  • Assist with processing payroll, accounts payable/receivable, and invoicing
  • Support new hire processes, job changes, and terminations
  • Complete and file HR forms (e.g., employment verifications, I-9s)
  • Assist with benefits processing and leave administration
  • Enter vendor invoices and reconcile statements
  • Support billing and collections efforts
  • Help maintain office equipment and supply inventory
  • Support general office administration and receptionist duties
  • Attend meetings and participate in required trainings
  • Other duties as assigned to support learning and office operations

Qualifications

Qualifications

  • High school diploma or GED required.

  • Associate degree or coursework in business, accounting, or human resources preferred.

  • 1 year of ECS administrative experience. This role is designed for individuals looking to grow into an Office Administrator position and will include training across all key job functions.


About Us

ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #144 in Engineering News-Record's Top 200 Environmental Firms (October 2024) and #50 in Zweig Group's Hot Firm List (June 2025).
ECS is an Equal Opportunity Employer. To learn more, click here.
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