New

Administrative Assistant

Apex Companies, LLC

$25-$30

tuition assistance, 401(k)

United States, Washington, Richland

Dec 20, 2025

Are you highly motivated, hard-working, and seeking to join a growth-focused consulting & engineering firm? Are you looking for a company that will invest in your development and grow your professional skills? If so, consider a career with Apex!

Powered by record sales, extraordinary client retention, strategic acquisitions, and an entrepreneurial spirit, Apex Companies is one of the fastest growing engineering and environmental consulting firms in the US.We were recently recognized by the Zweig Group as one of the fastest growing firms in the AEC industry.We take pride in providing our clients with exceptional service and have earned numerous awards for project excellence. We continue to grow, andwe want you to grow with us.

We are seeking a highly organized and detail-oriented Administrative Assistant to join our dynamic team in Richland, WA. This role is critical in supporting daily operations, ensuring smooth workflow, and assisting project teams with administrative tasks.

Your Responsibilities as an Administrative Assistant:

Provide administrative support to project managers and technical staff.
Manage calendars, schedule meetings, and coordinate travel arrangements.
Maintain project files and ensure accurate documentation.
Direct calls to the office and greet walk-in clients.
Oversee and maintain office fleet vehicles.
Support office operations, including ordering supplies, handling shipping and mail, and managing vendor and property management relationships.
Plan and coordinate office events and catering and company outings.
Help with basic accounting tasks and other internal systems as needed.

What we're looking for:

High school diploma or equivalent; associate degree or higher preferred.
2+ years of administrative experience preferred (experience in engineering or consulting environment is a plus).
Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
Strong organizational skills and attention to detail.
Excellent written and verbal communication skills.
Ability to manage multiple tasks and prioritize effectively in a fast-paced environment.

Why you'll love working for us:

Company-subsidized medical and dental.
Company-paid life, short, and long-term disability.
401k match, tuition assistance, and more.
Cross-training and the ability to work on a variety of projects.
Performance-based bonuses or other incentives.
Working with the best and brightest in the industry.
1,800+ employee national firm with 50+ locations across the US.

Apex Job Title: Administrative Assistant

Req ID: 10999

Hourly Expected Pay Range

$25 — $30 USD

We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact Talent@apexcos.com or (301) 417-0200. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer

TO ALL RECRUITMENT AGENCIES: Apex Companies does not accept unsolicited agency resumes. Please do not forward resumes for any of our job postings to our career's sites, or to any employees of Apex Companies or affiliates. Apex Companies is not responsible for any fees related to unsolicited resumes.