ZipRecruiter

Log In

1

Office Assistant Jobs in Decatur, IL (NOW HIRING)

MasTec Inc

Assistant Project Manager

Decatur, IL

Assistant Project Manager Summary: Assist in the management of multiple projects while providing ... Familiar with Microsoft Office and Timberline * A basic to good understanding of construction means ...

MasTec Inc

Assistant Project Manager

Decatur, IL

Assistant Project Manager Summary: Assist in the management of multiple projects while providing ... Familiar with Microsoft Office and Timberline * A basic to good understanding of construction means ...

TEAM, Inc.

NDE Assistant

Decatur, IL · On-site

$39K - $43K/yr

Position Overview: TEAM is seeking an entry-level NDT Assistant to support our certified ... Work Conditions • Position is based out of a TEAM field office or client site location. • Field ...

MasTec Inc

Project Admin Assistant

Maroa, IL · On-site

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

MasTec Inc

Project Admin Assistant

Maroa, IL

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

MasTec Inc

Project Admin Assistant

Maroa, IL · On-site

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

MasTec Inc

Project Admin Assistant

Maroa, IL · On-site

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

MasTec Inc

Project Admin Assistant

Maroa, IL

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

MasTec Inc

Assistant Project Manager

Decatur, IL · On-site

Assistant Project Manager Summary: Assist in the management of multiple projects while providing ... Familiar with Microsoft Office and Timberline * A basic to good understanding of construction means ...

MasTec Inc

Project Admin Assistant

Maroa, IL · On-site

$18 - $20/hr

Maintain an adequate amount of office supplies * Assist with project errands and food deliveries * May support with data entry in various systems (i.e. Salesforce) * Know where/how to locate all ...

New

Aspen Dental

Dental Assistant - Entry Level

Forsyth, IL · On-site

$17 - $21/hr

When you join our team as an Entry-Level Dental Assistant , you will have the opportunity to give ... Perform various office tasks as necessary * Collaborate with other members of the dental team to ...

Aspen Dental

Dental Assistant - Entry Level

Forsyth, IL

$17 - $21/hr

When you join our team as an Entry-Level Dental Assistant , you will have the opportunity to give ... Perform various office tasks as necessary * Collaborate with other members of the dental team to ...

Aspen Dental

Dental Assistant - Entry Level

Forsyth, IL

$17 - $21/hr

When you join our team as an Entry-Level Dental Assistant , you will have the opportunity to give ... Perform various office tasks as necessary * Collaborate with other members of the dental team to ...

previous page

Showing results 41-60

All JobsOffice JobsOffice Assistant JobsOffice Assistant Jobs in Decatur, IL

Office Assistant information

See Decatur, IL salary details

$9

$18

$24

How much do office assistant jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for office assistant in Decatur, IL is $18.37, according to ZipRecruiter salary data. Most workers in this role earn between $15.62 and $20.53 per hour, depending on experience, location, and employer.

What is an office assistant?

Office assistants are administrative professionals who help keep an office running smoothly by performing a variety of clerical and organizational tasks. Their duties often include answering phones, scheduling appointments, filing documents, managing correspondence, and supporting other staff members with day-to-day operations. Office assistants play a crucial role in ensuring that the office operates efficiently and effectively. They may also handle data entry, order supplies, and assist with basic bookkeeping tasks. The specific responsibilities can vary depending on the size and type of the organization.

What does an office assistant do?

As an office assistant, you are responsible for conducting daily administrative tasks in an office environment. You may be asked to answer telephone calls and emails, take messages, schedule appointments, greet customers or clients, make copies, maintain records, and manage office inventory and supplies. Your responsibilities may vary depending on the kind of office you work in, and some jobs may require special skills or education, like medical billing knowledge or experience as a paralegal.

What are some common challenges faced by office assistants, and how can they be effectively managed?

Office Assistants often juggle multiple tasks simultaneously, such as managing schedules, handling correspondence, and supporting various staff members. A common challenge is prioritizing tasks efficiently, especially during busy periods or when urgent requests arise. Effective time management, clear communication with supervisors and colleagues, and staying organized with tools like calendars and task lists can help manage these demands. Proactively seeking clarification on priorities and being adaptable to shifting needs are also key to succeeding in this role.

What are the key skills and qualifications needed to thrive as an office assistant, and why are they important?

To thrive as an Office Assistant, you need strong organizational skills, attention to detail, and basic proficiency in office administration, often supported by a high school diploma or equivalent. Familiarity with office software such as Microsoft Office Suite, email platforms, and common office equipment is typically required. Excellent communication, time management, and a proactive attitude help you stand out in this role. These skills and qualities ensure efficient office operations, effective support to staff, and a smoothly running workplace.

What is the difference between Office Assistant vs Receptionist?

AspectOffice AssistantReceptionist
Primary RoleSupports administrative tasks, manages files, assists with office operationsGreets visitors, answers phones, manages front desk activities
Required SkillsOrganizational skills, basic computer proficiency, multitaskingCommunication skills, customer service, phone etiquette
Work EnvironmentOffice settings, administrative departmentsFront desk, reception area, customer-facing roles
Common CertificationsNone required, but administrative certifications helpfulNone required, customer service experience preferred

While both roles support office functions, an Office Assistant handles a broader range of administrative tasks behind the scenes, whereas a Receptionist primarily manages front desk duties and visitor interactions. The roles often overlap but serve different focal points within an organization.

More about Office Assistant jobs
What are the most commonly searched types of Office jobs in Decatur, IL? The most popular types of Office jobs in Decatur, IL are:
What job categories do people searching Office Assistant jobs in Decatur, IL look for? The top searched job categories for Office Assistant jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Office Assistant jobs? Cities near Decatur, IL with the most Office Assistant job openings:
Office Assistant jobs near you
Infographic showing various Office Assistant job openings in Decatur, IL as of August 2026, with employment types broken down into 92% Full Time, 4% Part Time, and 4% Contract. Highlights an 92% In-person, and 8% Remote job distribution, with an average salary of $38,202 per year, or $18.4 per hour.

Assistant Project Manager

MasTec Inc

Decatur, IL

Full-time

Re-posted 5 days ago

MasTec rating

7.4

Company rating: 7.4 out of 10

Based on 154 frontline employees who took The Breakroom Quiz

35th of 80 rated construction

Job description

Overview

Job Position Title: Assistant Project Manager

Job Description Summary:

 Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.


Responsibilities
Essential Duties and Responsibilities:
  • Help oversee a construction project from start to finish
  • Manage day-to-day project activities including the POD and time sheets
  • Assist in project planning, budgeting, and identification of resources needed
  • Work with project manager to ensure understanding of all project activities, schedules and deliverables
  • Help to manage client responsibilities and expectations
  • Work with management to develop the objectives/goals of each member and assign individual responsibilities
  • Ensure that construction activities move according to pre-determined schedule
  • Monitor the progress of the construction activities on a regular basis
  • Effective time management and logical decision-making ability

Qualifications
Skills & Abilities:
  • Ability to multitask and maintain effectiveness with multiple priorities
  • Professional demeanor; remain calm and emotionally controlled under pressure
  • Ability to follow directions and take initiative when required
  • Excellent communication, accounting and organizational skills
  • Familiar with Microsoft Office and Timberline
  • A basic to good understanding of construction means and methods
  • Basic understanding/proficiency with spreadsheets, Email and other software used in the construction
  • Completed OSHA ET&D Training
Physical Demands:
  • Field visits to the job site
Education and/or Work Experience:

 At least one of the following:

  • Degree in Engineering;
  • Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor;
  • 2+ years of directly related experience with no degree
Qualifications:Skills & Abilities:
  • Ability to multitask and maintain effectiveness with multiple priorities
  • Professional demeanor; remain calm and emotionally controlled under pressure
  • Ability to follow directions and take initiative when required
  • Excellent communication, accounting and organizational skills
  • Familiar with Microsoft Office and Timberline
  • A basic to good understanding of construction means and methods
  • Basic understanding/proficiency with spreadsheets, Email and other software used in the construction
  • Completed OSHA ET&D Training
Physical Demands:
  • Field visits to the job site
Education and/or Work Experience:

 At least one of the following:

  • Degree in Engineering;
  • Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor;
  • 2+ years of directly related experience with no degree
Education:UNAVAILABLEEmployment Type: FULL_TIME

What MasTec employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply