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  3. Administrative Assistant

Onsite Administrative Assistant jobs in Illinois, USA

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Administrative Assistant Jobs in Illinois — On-Site Opportunities Await

Illinois companies are steadily expanding their office teams, creating strong demand for administrative assistant on-site jobs in Illinois. This on-site role offers 500+ open positions for organized professionals eager to support daily operations across growing industries. Employers throughout the state value candidates who bring reliability and a proactive attitude to fast-paced office environments.

Successful candidates typically demonstrate excellent organizational skills, clear written and verbal communication, and proficiency with scheduling software and office suites like Microsoft Office or Google Workspace. Strong attention to detail, multitasking ability, and a customer-service mindset are essential, as administrative assistant positions often involve coordinating calendars, managing correspondence, and supporting multiple departments simultaneously. Employers also appreciate adaptability and discretion when handling sensitive information.

On-site administrative assistant vacancies in Illinois typically involve working closely with teams in corporate offices, healthcare facilities, or educational institutions, where face-to-face collaboration remains valuable. The state's diverse economy, from Chicago's business hubs to smaller regional centers, continues to fuel consistent hiring in this field. Companies increasingly seek to hire an administrative assistant who can bring structure and efficiency to in-person work environments.

If you are ready to take the next step in your career, now is an excellent time to explore available opportunities. Global Work AI connects motivated professionals with employers seeking dependable administrative assistant talent across Illinois. Browse current listings and find the role that matches your skills and ambitions today.

Frequently Asked
Questions

Everything you need to know about
finding your next role
  • What is the average salary for an administrative assistant in Illinois?

    Pay for an administrative assistant in Illinois typically falls in the mid-$40,000s per year, with Chicago-area employers often offering more than smaller metro or downstate markets. Experience level, industry, and office complexity can move compensation up or down, and some employers add overtime eligibility or benefits that improve total value. Reviewing current Illinois job postings is the best way to compare base pay with similar office support roles, since ranges can shift by county and company size. If you are comparing offers, look at duties alongside salary to get a clearer picture.
  • What skills are most important for an administrative assistant position?

    Strong organization is usually at the top of the list, along with time management, clear communication, and the ability to juggle competing priorities without losing track of details. Employers in Illinois also value professionalism, discretion with confidential information, and a calm approach when schedules change. Because this on-site administrative assistant role supports daily office operations, reliability and a helpful attitude matter just as much as technical ability. When reviewing listings, compare how each employer weighs customer service, scheduling, and coordination tasks to see where your strengths fit best.
  • What software and computer skills are required for an administrative assistant role?

    Most employers expect confidence with Microsoft Office or Microsoft 365, especially Word, Excel, Outlook, and PowerPoint. In many Illinois offices, an administrative assistant may also use calendar tools, email platforms, data-entry systems, PDF software, and shared drives or cloud storage. Basic spreadsheet knowledge, accurate typing, and the ability to learn new business tools quickly are important. Some workplaces also use scheduling or CRM systems, so it helps to review current job ads for the exact programs mentioned and match your experience to those requirements.
  • What are the main responsibilities of an on-site administrative assistant?

    Day-to-day work often includes greeting visitors, answering phones, managing calendars, preparing documents, handling mail, and keeping office records organized. In an on-site setting, an administrative assistant may also coordinate meeting rooms, support team members with filing or data updates, and help the workplace run smoothly in real time. Illinois employers may expect direct coordination with managers, vendors, or clients, which makes responsiveness especially important. If you are evaluating a posting, check how much of the role focuses on front-desk support versus back-office tasks.
  • What work schedule can I expect in an on-site administrative assistant job?

    Most full-time administrative assistant positions follow a standard weekday schedule, often around 8:00 a.m. to 5:00 p.m. or similar business hours. In Illinois, some employers may ask for earlier starts, later finishes, or occasional overtime during busy periods, especially in healthcare, education, or professional services. Because the role is on-site, consistent in-person attendance is usually expected rather than flexible remote work. When comparing openings, look closely at break policies, seasonal demands, and whether the schedule includes occasional special events or coverage needs.
  • What does the hiring process look like for an administrative assistant role?

    The process usually begins with an application and resume review, followed by one or more interviews focused on office experience, communication style, and software comfort. Many Illinois employers also include skills testing, such as typing, basic Excel tasks, or scheduling exercises, to confirm practical ability. For an on-site administrative assistant position, the final steps may include an in-person interview and reference checks before an offer is made. Reviewing common interview questions and preparing examples of your organizational work can help you move through the process more smoothly.
  • What career growth opportunities are there for an administrative assistant?

    This role can lead to broader office and operations paths, including executive assistant, office coordinator, receptionist supervisor, or office manager. In Illinois, some administrative assistants move into HR, project coordination, accounts support, or team operations after gaining experience with systems and procedures. The strongest growth usually comes from building advanced Excel skills, sharpening communication, and learning how the business runs from the inside. If you are planning ahead, compare related job titles and look at the competencies they ask for so you can map your next step strategically.

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500+ jobs found

  • ABA Revolution

    ABA Revolution

    Today

    Office assistant

    Position summary The Office Assistant supports the daily operations of ABA Revolution by working closely with the Office Manager. This role helps keep our clinics organized and running smoothly by...

    onsite, Lombard, IL, United States
    Full TimeNo Skills
  • Carol Stream Public Library

    Carol Stream Public Library

    a day ago

    Administrative assistant

    Position Summary: Supports the Management Team and Administration staff in the business and financial operations of the Library by performing a variety of administrative duties including invoicing,...

    onsite, Carol Stream, IL, United States
    Full TimeJunior (<2 years)
  • Alpharus Health

    Alpharus Health

    a day ago

    Administrative assistant ii

    Who is Alpharus Health? Alpharus Health is a national nonprofit behavioral health provider dedicated to helping people build healthier lives. For nearly 60 years, we have provided substance use and...

    onsite, Peoria, IL, United States
    $39k – $57k/yrFull TimeMiddle (2-4 years)
  • Senior Lifestyle

    Senior Lifestyle

    a day ago

    Administrative assistant

    Company Description Do you have HEART? We are looking for individuals who can embrace our mission to purposely brighten and enrich the lives of those we serve with HEART; Hospitality, Excellence,...

    onsite, Blue Island, IL, United States
    $35k/yrFull TimeNo Skills
  • a8c4af12-914e-487b-8d85-a3a3601484f0

    a8c4af12-914e-487b-8d85-a3a3601484f0

    a day ago

    Administrative assistant i

    About Company: IDEMIA Public Security, a division of IDEMIA Group, is the leading provider of secure and trusted biometric-based solutions, transforming public and private organizations across the...

    onsite, Springfield, IL, United States
    $36k – $52k/yrFull TimeJunior (<2 years)
  • Martin Brower

    Martin Brower

    2 days ago

    Executive assistant

    Must be able to work Monday through Thursday at our Rosemont office. Position Responsibilities: Serve as the primary point of contact for office facilities and building-related issues, coordinate...

    onsite, Rosemont, IL, United States
    Full TimeSenior (5+ years)
  • Avant Communications LLC

    Avant Communications LLC

    2 days ago

    Executive assistant office manager

    Position Overview: We are seeking a highly organized, proactive, and resourceful Executive Assistant / Office Manager to join our team. This dual-role position is essential in ensuring the seamless...

    onsite, Chicago, IL, United States
    Full TimeNo Skills
  • Lurie Children's Hospital

    Lurie Children's Hospital

    2 days ago

    Administrative assistant -academic, neonatology

    Job Description The Administrative Assistant performs a wide range of administrative support responsibilities for leaders to help facilitate the efficient operation of the Unit/Department/Division....

    onsite, Chicago, IL, United States
    $38k – $57k/yrFull TimeNo Skills
  • Aston Carter

    Aston Carter

    5 days ago

    Service administrative assistant

    Job Title: Service Administrative Assistant Job Description The Service Administrative Assistant provides comprehensive administrative and operational support to the Service Department. In this role,...

    onsite, Mokena, IL, United States
    $54k – $62k/yrFull TimeNo Skills
  • Pilsen Wellness Center

    Pilsen Wellness Center

    5 days ago

    Administrative assistant - administration

    Job Summary Pilsen Wellness Center is seeking a dedicated administrative professional to provide high-quality administrative support to staff and families. The administrative assistant manages...

    onsite, Chicago, IL, United States
    $35k/yrFull TimeNo Skills
  • NEXCOM

    NEXCOM

    5 days ago

    Administrative assistant

    Why the Navy Exchange Service Command? While some serve overseas for our country, we hold down the fort — we serve the men and women who wear the flag — America’s strength, America’s heart. We are...

    onsite, North Chicago, IL, United States
    Full TimeMiddle (2-4 years)
  • Waubonsee Community College

    Waubonsee Community College

    5 days ago

    Campus safety and projects administrative assistant

    Campus Safety and Projects Administrative Assistant Full-time Staff Sugar Grove Campus Hybrid Option: No Join our dynamic team at Waubonsee Community College, where your career can flourish. We are...

    onsite, Sugar Grove, IL, United States
    $39k – $47k/yrFull TimeJunior (<2 years)
  • North Lawndale College Prep Charter High School

    North Lawndale College Prep Charter High School

    5 days ago

    Assistant principal

    POSITION SUMMARY (Assistant Principal): The Assistant Principal is a dynamic and mission-driven educational leader who supports the Principal in managing the school's day-to-day operations while...

    onsite, Chicago, IL, United States
    Full TimeLead / Manager
  • College of Lake County

    College of Lake County

    6 days ago

    Program operations assistant

    Why choose the College of Lake County for your next opportunity? The College of Lake County (CLC) offers a competitive salary, excellent benefits that includes Blue Cross Blue Shield of Illinois...

    onsite, Grayslake, IL, United States
    $33k/yrPart TimeJunior (<2 years)
  • Community High School District 128

    Community High School District 128

    6 days ago

    Assistant principals administrative assistant

    Assistant Principal's Administrative Assistant - VHHS Overview: The Administrative Assistant will provide administrative and clerical support for the Assistant Principal and others as...

    onsite, Vernon Hills, IL, United States
    Full TimeNo Skills
  • People MVR

    People MVR

    6 days ago

    Office assistant

    King Heating, Cooling & Plumbing is looking for a dependable, organized, and detail-oriented Office Assistant to join our growing team! This position will provide general administrative support and...

    onsite, Morton Grove, IL, United States
    Full TimeNo Skills
  • Clearbrook

    Clearbrook

    7 days ago

    Assistant administrator

    Job Details: Job Location: Commons - Rolling Meadows, IL Position Type: Full Time Salary Range: $63,480.00 Schedule: Full-Time, Monday-Friday 8:00am-4:00pm Clearbrook is seeking a professional to...

    onsite, Rolling Meadows, IL, United States
    $63k/yrFull TimeLead / Manager
  • Fermilab

    Fermilab

    7 days ago

    Administrative assistant iii

    The expected hiring range for this position is: $28.30-$34.51. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based...

    onsite, Batavia, IL, United States
    $56k – $69k/yrFull TimeMiddle (2-4 years)
  • TEKsystems

    TEKsystems

    8 days ago

    Office administrator assistant

    Position Overview The Office Administrator Assistant is responsible for managing front-desk operations and providing comprehensive administrative support to ensure smooth business operations. This...

    onsite, Northbrook, IL, United States
    $44k – $50k/yrFull TimeJunior (<2 years)
  • SCOTT EQUIPMENT COMPANY LLC

    SCOTT EQUIPMENT COMPANY LLC

    8 days ago

    Administrative assistant

    Job Details Job Location: Nashville, TN - Lavergne, TN Salary Range: Undisclosed Since 1939, Scott has been family owned and proud to represent the world’s finest manufacturers of construction...

    onsite, Lavergne, IL, United States
    Full TimeNo Skills
  • Northwestern Memorial Healthcare

    Northwestern Memorial Healthcare

    8 days ago

    Administrative assistant i - interpretation services, full-time, days

    Company Description At Northwestern Medicine, every patient interaction makes a difference in cultivating a positive workplace. This patient-first approach is what sets us apart as a leader in the...

    onsite, Chicago, IL, United States
    $36k – $49k/yrFull TimeJunior (<2 years)
  • Inmar Intelligence

    Inmar Intelligence

    9 days ago

    Administrative assistant

    The Administrative Assistant serves as the central administrative and operational support resource for the facility. This role ensures smooth daily office operations, providing administrative...

    onsite, Libertyville, IL, United States
    $40k – $66k/yrFull TimeJunior (<2 years)
  • ERC Delivery Service

    ERC Delivery Service

    9 days ago

    Personal assistant

    Benefits: 401(k) 401(k) matching Paid time off Benefits/Perks Competitive Compensation Great Work Environment Career Advancement Opportunities Job Summary We are seeking a Personal Assistant to join...

    onsite, Elmhurst, IL, United States
    Part TimeNo Skills
  • Baird & Warner

    Baird & Warner

    10 days ago

    Administrative assistant

    About Baird & Warner Real Estate Behind every great company is a culture created by the professionals who work there. It’s what has earned Baird & Warner a Top Workplace designation from the Chicago...

    onsite, Downers Grove, IL, United States
    $40k – $45k/yrFull TimeJunior (<2 years)
  • Township High School District 113

    Township High School District 113

    12 days ago

    Administrative assistant to the assistant principals

    Administrative Assistant to the Assistant Principal and Fine Arts & CTE Departments Department: Administration Classification: 12 months Assignment: Administrative Assistant FLSA Status: Non-Exempt...

    onsite, Deerfield, IL, United States
    $49k/yrFull TimeNo Skills
  • City of Decatur

    City of Decatur

    12 days ago

    Administrative assistant – public works/engineering office

    Job Summary The City of Decatur is seeking an experienced administrative professional to help move infrastructure projects from bidding through contract documentation and City Council approval....

    onsite, Decatur, IL, United States
    $46k – $56k/yrFull TimeMiddle (2-4 years)
  • GGP

    GGP

    12 days ago

    Administrative assistant

    Location Ala Moana Center (H) - 1450 Ala Moana Blvd, #1290 Business Headquartered in Chicago, IL, GGP is a leading retail real estate company with a portfolio of 95+ high-performing retail assets,...

    onsite, Chicago, IL, United States
    $44k – $58k/yrFull TimeJunior (<2 years)
  • Brookfield Properties

    Brookfield Properties

    12 days ago

    Administrative assistant

    Location Ala Moana Center (H) - 1450 Ala Moana Blvd, #1290 Business Headquartered in Chicago, IL, GGP is a leading retail real estate company with a portfolio of 95+ high-performing retail assets,...

    onsite, Chicago, IL, United States
    $44k – $58k/yrFull TimeJunior (<2 years)
  • UG2

    UG2

    12 days ago

    Administrator assistant

    The Administrative Assistant is responsible for various administrative and clerical duties that support the day-to-day operation. UG2 is seeking a highly professional, enthusiastic, and...

    onsite, Boston, MA, United States
    Full TimeJunior (<2 years)
  • QUEST FOOD MANAGEMENT SERVICES LLC

    QUEST FOOD MANAGEMENT SERVICES LLC

    14 days ago

    Administrative assistant

    Position Summary The Administrative Assistant plays a crucial role in ensuring the smooth operation. This position is responsible for providing comprehensive administrative support to various...

    onsite, Chicago, IL, United States
    Part TimeNo Skills
  • HSBC Global Services Limited

    HSBC Global Services Limited

    14 days ago

    Sr office manager & executive assistant

    Our purpose – Opening up a world of opportunity – explains why we exist. Here at HSBC we use our unique expertise, capabilities, breadth and perspectives to open up new kinds of opportunity for our...

    onsite, Chicago, IL, United States
    Full TimeSenior (5+ years)
  • Culver Academies

    Culver Academies

    18 days ago

    Administrative assistant - part time

    Welcome to the home of LEADERS Mission: Culver educates its students for leadership and responsible citizenship in society by developing and nurturing the whole individual, mind, spirit, and body,...

    onsite, Culver, IL, United States
    Part TimeMiddle (2-4 years)
  • Seven Counties Services

    Seven Counties Services

    20 days ago

    Administrative assistant - lagrange office

    Job Description: ESSENTIAL JOB FUNCTIONS Performs such front-desk/reception functions as meeting and greeting clients and visitors, answering multi-line phones, forwarding calls to voice mail or...

    onsite, LaGrange, IL, United States
    Full TimeNo Skills
  • WESTCARE INC

    WESTCARE INC

    20 days ago

    Administrative assistant

    Job Details: Job Location: Murphysboro - 636 Elza Brantley Drive - Murphysboro, IL Position Type: Full Time Education Level: High School Salary Range: $15.00 - $16.82 Hourly Travel Percentage:...

    onsite, Murphysboro, IL, United States
    $30k – $32k/yrFull TimeJunior (<2 years)
  • Metropolitan Family Services

    Metropolitan Family Services

    21 days ago

    Executive assistant

    We are now hiring for a full-time Executive Assistant to join our Headquarters Team! SALARY: The average starting salary for this position will fall in the range of $50,400 and $55,800 annually....

    onsite, Chicago, IL, United States
    $50k – $56k/yrFull TimeJunior (<2 years)
  • Archdiocese of Chicago

    Archdiocese of Chicago

    22 days ago

    Floating administrative assistant

    The Archdiocese of Chicago, the third largest in the United States, serves more than 2.2 million Catholics in 216 parishes in Cook County and Lake County, a geographic area of 1,411 square miles. The...

    onsite, Chicago, IL, United States
    $46k – $57k/yrFull TimeSenior (5+ years)
  • Canam Steel Corporation

    Canam Steel Corporation

    23 days ago

    Administrative assistant

    Join a team where your expertise, ideas, and collaboration help drive our success. At CSC, you’ll have the opportunity to make an impact by supporting key initiatives, improving processes, and...

    onsite, Peru, IL, United States
    Full TimeJunior (<2 years)
  • Hanson Professional Services Inc.

    Hanson Professional Services Inc.

    a month ago

    Administrative assistant

    Hanson Values Integrity Commitment Quality Relationships Innovation If you’re looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and...

    onsite, Springfield, IL, United States
    $40k – $50k/yrFull TimeNo Skills
  • L

    Leading Edge Solutions, Inc

    a month ago

    Assistant office manager

    Ready to Build a Career, Not Just Take a Job? At Leading Edge Solutions, we’re not your standard tech company—we’re a family-run business that has been powering the automotive industry for more than...

    onsite, Northbrook, IL, United States
    Full TimeJunior (<2 years)
  • NuMark Credit Union

    NuMark Credit Union

    a month ago

    Executive assistant

    Are you a highly organized, detail-oriented professional who enjoys supporting leadership and helping an organization run efficiently? Are you looking for an opportunity to make an impact with a...

    onsite, Countryside, IL, United States
    $52k – $58k/yrFull TimeNo Skills

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