Demo

Office Manager / Administrative Assistant

aeis llc
SOUTH PLAINFIELD, NJ Full Time
POSTED ON 5/15/2026
AVAILABLE BEFORE 7/15/2026

Office Manager / Administrative Assistant 

We are seeking a highly organized and proactive Office Manager / Administrative Assistant to serve as the operational backbone of our team. This role is designed for a detail-oriented professional who excels at multitasking and enjoys a "hands-on" environment. You will be responsible for ensuring the office runs smoothly, providing high-level administrative support, and managing procurement / vendor relations.
The ideal candidate is a reliable problem-solver who can balance traditional office management with foundational procurement processes. You will work closely with leadership to maintain an efficient workspace and support the day-to-day success of the firm.


Key Responsibilities


Office Management & Administration

  • Front-of-House Operations: Act as the first point of contact, managing professional communications via phone and email, and greeting visitors.
  • Document Control: Organize and maintain physical and digital filing systems, ensuring all records are easily accessible and up-to-date.
  • General Support: Perform essential office duties including scanning, copying, mail distribution, and event management (planning & coordinating company wide events)  
  • Process Improvement: Identify and implement ways to streamline office workflows and administrative procedures.


Procurement 

  • Procurement Controls: Research vendors, compare pricing, and execute orders for project-related equipment & consumables while staying within budget.
  • Supply Management: Monitor and maintain inventory levels for project related equipment and consumables, office supplies, kitchen essentials
  • Vendor Relations: Coordinate with service providers (cleaning crews, maintenance, utilities).
  • Accounts Payable: Assist with invoice/ expense related entry in QB, payments processing.
  • Help prepare monthly expense reports, budget vs. actual comparisons, and expense tracking.


Qualifications 
Education:  Bachelor’s degree in Business Administration, Finance, or a related field preferred (or equivalent professional experience).

Experience: Previous experience in an office management or administrative role is highly desirable.
Software Proficiency: Strong familiarity with Microsoft Excel and QuickBooks (or a proven ability to learn basics of financial software quickly).

Organizational Skills: Exceptional ability to prioritize tasks, meet deadlines, and manage multiple projects simultaneously.
Communication: Professional verbal and written communication skills with a focus on customer service.
Attention to Detail: High level of accuracy in data entry and record-keeping.

Salary : $20 - $30

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Office Manager / Administrative Assistant?

Sign up to receive alerts about other jobs on the Office Manager / Administrative Assistant career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$80,938 - $103,149
Income Estimation: 
$83,263 - $123,666
Income Estimation: 
$80,938 - $103,149
Income Estimation: 
$83,263 - $123,666
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at aeis llc

  • aeis llc York, NY
  • Location: NJ / NY Metro Area (Field-Based) AEIS Metallurgy Lab – South Plainfield, NJ Why Join AEIS? At AEIS, we do more than inspect — we build confidence... more
  • 8 Days Ago

  • aeis llc Queens, NY
  • Certified Welding Inspector (CWI) Location: NY Metro Area (Job Sites) Employment Type: Full-Time Why Join AEIS? At AEIS, we do more than inspect — we build... more
  • 9 Days Ago

  • aeis llc York, NY
  • Location: NY/NJ Metro Area Employment Type: Full-Time Why Join AEIS? At AEIS, we do more than inspect — we build confidence in the world around us. Our wor... more
  • 9 Days Ago

  • aeis llc York, NY
  • NJSAT HMA Technologist Level 1 or 2 Location: NY/NJ Metro Area Employment Type: Full-Time Why Join AEIS? At AEIS, we do more than inspect — we build confid... more
  • 9 Days Ago


Not the job you're looking for? Here are some other Office Manager / Administrative Assistant jobs in the SOUTH PLAINFIELD, NJ area that may be a better fit.

  • MASTER BUILD AND DESIGN Long Branch, NJ
  • Office Assistant – Construction Company Company: Master Build & Design Location: New Jersey Job Type: Full-Time or Part-Time Job Description: Master Build ... more
  • 17 Days Ago

  • Molly's Windows Inc. Matawan, NJ
  • Part time office administrative assistant needed for basic data entry duties Monday through Friday from 10am until 12noon $11.00 per hour. Job Responsibili... more
  • 10 Days Ago

AI Assistant is available now!

Feel free to start your new journey!