516 administrative manager jobs at 266 companies in O'Fallon, IL
3w
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School Administrative Assistant (Secretary)
St Peters, Missouri, United States
OnsiteFull Time
Provide administrative support to the principal, manage school office operations, maintain confidential student records, coordinate registration, and prepare communications; 2+ years administrative experience preferred; Microsoft Office and FACTS experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Publisher, FACTS Student Information System
1mo
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Aquarium Administrative Assistant
St. Louis, Missouri, United States
OnsiteFull Time
Provide front-desk communication hub for aquarium operations, handle guest inquiries, manage inventory and invoices, and support administrative tasks.
1w
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Administrative Assistant – Mayor’s Office
St. Charles, Missouri, United States
$27/hr OnsitePart Time
3+ YOERequires an associate degree in office management or a related field and three to five years of executive administrative support experience. Must multitask, work under pressure, and maintain confidentiality.
3w
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Operations Group Administrative Assistant
St. Louis, Missouri, United States
OnsiteFull Time
Provide administrative support including phone coverage, scheduling and dispatching field employees, managing drug testing/background checks, taking meeting minutes, ordering supplies, and intermediate Microsoft Word and Excel skills.
ProCore, RevitWork, BlueBeam, Microsoft Word, Microsoft Excel
2w
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Administrative Assistant IV - Arts & Sciences
St. Louis, Missouri, United States
$23-$36/hr OnsiteFull Time
5+ YOEProvides administrative and academic program support, schedules complex appointments and travel, manages budgets and payroll entry, coordinates events, and handles confidential communications. Requires 5 years administrative office experience and high school diploma or equivalent.
1w
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Executive Administrative Assistant
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years executive administrative experience, bachelor’s degree preferred, strong scheduling/project management, discretion, research and presentation skills, Microsoft Word/Excel and Google Docs proficiency, excellent communication.
Microsoft Word, Microsoft Excel, Google Docs
6d
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Administrative Assistant II - Treasury Management
Chicago or Indianapolis or Clayton or Cincinnati or Cleveland
$45k-$90k/yr OnsiteFull Time
4+ YOEAssociate degree or equivalent and typically 4+ years of related business or functional experience; requires office administration, organization, communication, research, prioritization, and presentation skills.
Microsoft Excel
1w
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Temporary Administrative Assistant
St. Peters, Missouri, United States
OnsiteFull Time, Temporary
High school diploma or equivalent, multi-line phone experience, teamwork, deadline management, prioritization, and ability to work in a fast-paced environment; three or more years of office experience preferred.
FedEx, UPS
3w
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Administrative Coordinator (St. Louis Children's Hospital)
Saint Louis, Missouri, United States
$18-$26/hr OnsiteFull Time
2+ YOEProvide administrative and logistical support including calendar management, supply ordering, expense tracking, meeting preparation; high school diploma/GED required; 2+ years experience; bachelor's preferred.
1w
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Administrative Support Assistant - MECC
Pacific, Missouri, United States
$40k/yr OnsiteFull Time
2+ YOEHigh school diploma or equivalency plus 2 years as a Missouri Administrative Support Clerk or 3 years of office support experience; college credit may substitute year for year.
Microsoft Excel
1w
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Administrative Support Assistant - MECC
Pacific, Missouri, United States
$40k/yr OnsiteFull Time
3+ YOERequires a high school diploma or equivalent and either 2+ years as a Missouri administrative support clerk or 3+ years of office support experience; college credit may substitute year for year.
Microsoft Excel
1mo
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Administrative Assistant II - Teaching and Learning - 2026-2027
St. Louis County, Missouri, United States
$18-$31/hr OnsiteFull Time
Provide high-level administrative support to Teaching & Learning leadership, coordinate schedules and meetings, manage budgets, process payroll for extra duty, maintain curriculum platforms, and organize professional development.
Google Workspace, Microsoft Word, Microsoft Excel, Microsoft Outlook, Wisdomwhere, Embarc
3w
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Administrative Assistant of Community Education
Belleville, Illinois, United States
$19/hr OnsitePart Time
3+ YOEAssociate's degree and 3 years secretarial/clerical experience; strong communication, organization, Microsoft Office; PeopleSoft and office management preferred.
Microsoft Office Suite, PeopleSoft
2w
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Legal Administrative Assistant - Corporate
St Louis, Missouri, United States
$60k-$75k/yr OnsiteFull Time
3+ years law firm experience preferred; proficiency with Microsoft Word/Excel/PowerPoint and PDF; strong proofreading, time management, organizational and communication skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, NetDocs, PDF
1w
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Full-Time Administrative Assistant
Ellisville, Missouri, United States
$17/hr OnsiteFull Time
Must be 18+, with strong communication, interpersonal, basic math, reading, computer, scheduling, and technology skills; flexible availability including nights, weekends, and holidays; able to lift up to 50 pounds.
Microsoft Excel
2w
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Legal Administrative Assistant - Corporate
St. Louis, Missouri, United States
$60k-$75k/yr OnsiteFull Time
Experience in a law firm (transactional preferred), proficiency with Microsoft Word/Excel/PowerPoint and PDF, NetDocs experience, strong proofreading, time-management and communication skills; 3+ years preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, PDF, NetDocs
1w
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Administrative Assistant to the Principal, Givens Elementary
St. Louis, Missouri, United States
OnsiteFull Time
Performs clerical duties, maintains confidentiality, manages records and enrollment databases, proficient with word processing, spreadsheets and Google Applications; strong organization and communication; bachelor\u0002s preferred.
Google Applications
1w
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Legal Administrative Assistant - Trusts & Estates
Chicago or St. Louis
$60k-$75k/yr HybridFull Time
3+ YOERequires Microsoft Office Suite, Adobe, 3+ years of legal or law firm experience preferred, strong organization, proofreading, communication, customer service, and deadline-management skills.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Adobe, NetDocs
4d
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Administrative Assistant Hourly (St Charles, MO, US, 63304)
St. Charles, Missouri, United States
$17/hr OnsiteFull Time
3+ YOEHigh school diploma or GED/HiSET and at least three years of progressively responsible professional experience. Requires office equipment, communication, customer service, organizational, and time management skills.
Microsoft Office
2mo
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Administrative Assistant, Student Employee - Scheidegger Center Box Office
St. Charles, Missouri, United States
$15/hr OnsitePart Time
Currently enrolled Lindenwood student in good academic and financial standing; provides routine customer service and clerical support, writes/edits documents, manages filing, answers phones, and uses basic word processing, database, and spreadsheet tools.
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