576 office assistant jobs at 328 companies in Westminster, CO
5d
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Office Assistant
Elizabeth, Colorado, United States
$16-$19/hr OnsiteFull Time
2+ YOEHigh school diploma or GED, 2+ years of public office experience preferred, Microsoft Office proficiency, professional communication skills, and ability to manage multiple tasks. QMAP certification required within 90 days.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Electronic Health Record (EHR)
2w
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Office Assistant
Aurora, Colorado, United States
$19-$24/hr OnsiteFull Time
Administrative experience, proficiency with Microsoft Office, strong written and verbal communication, proofreading attention to detail, customer service skills, and ability to learn new software.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
1mo
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Administrative Office Assistant
Denver, Colorado, United States
$55k-$70k/yr OnsiteFull Time
2+ YOEProvide administrative support to senior leaders, manage calendars, travel and expenses, prepare presentations and reports, coordinate meetings, maintain office operations, and use Microsoft Office 365.
Microsoft Office 365, Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3w
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Substitute Office Assistant III
Boulder, Colorado, United States
$24/hr OnsiteTemporary
2+ YOEHigh school diploma or equivalent, minimum 2 years office experience, English proficiency, computer and customer service skills; Google and Microsoft Office familiarity preferred.
Google, Microsoft Office
5d
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Office Assistant
Aurora, Colorado, United States
$20-$22/hr OnsiteFull Time
Knowledge of HUD regulations, strong customer service, computer, filing, written and verbal communication skills; up to three months of on-the-job training provided.
Microsoft Excel, Microsoft Word, Microsoft Access
1mo
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Office Assistant
Loveland, Colorado, United States
OnsitePart Time
Part-time administrative role; duties include wholesale deal processing, title work, stocking inbound vehicles. Preferred experience with motor vehicle titles and accounting software, strong writing/grammar, computer literacy, attention to detail, ability to work independently and meet deadlines.
1mo
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Office Assistant
Loveland, Colorado, United States
OnsitePart Time
Administrative support for wholesale deal processing, vehicle title work, stocking inbound vehicles, basic accounting software familiarity, strong writing and computer skills, attention to detail, and ability to work independently.
1mo
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Office Administrative Assistant
Denver, Colorado, United States
$28-$30/hr OnsiteFull Time
Associate's or Bachelor's degree, proficiency with Microsoft Office, valid Colorado driver\u0002s license, ability to pass background/security checks, strong organizational and multitasking skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Internet
1mo
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Bakery Office Support Assistant
Denver, Colorado, United States
$23-$25/hr OnsiteFull Time
2+ YOEPerforms clerical and bookkeeping tasks, receptionist duties, invoice processing in Flexibake, MS Office proficiency, high school diploma, minimum 2 years office experience, ability to lift up to 20 lbs.
Flexibake, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
2w
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Student Health Office Assistant
Loveland, Colorado, United States
$19-$28/hr OnsiteFull Time
Assist school nurse, maintain accurate student medical records, and serve as a resource for student families. Full-time, 7.5 hours/day, 177 days; see attachment for full duties.
2w
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Office Assistant-Public Works
Black Hawk, Colorado, United States
$18-$24/hr OnsiteFull Time
2+ YOEHigh school diploma, 2+ years clerical experience, customer service experience, proficiency with Microsoft Word/Excel, basic accounting/bookkeeping, valid Colorado driver’s license, FEMA ICS 100 and 700 within 6 months.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3mo
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Dental Assistant / Front Office Coordinator
Centennial, Colorado, United States
$20-$22/hr HybridFull Time
1+ YOEHybrid role combining dental assisting and front office duties; 1+ year dental assisting experience; knowledge of dental terminology; proficient with dental software.
Open Dental, Dentrix, Dental software
4d
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Department Office Assistant - Student Achievement Resource Center
Englewood, Colorado, United States
OnsiteFull Time
1+ YOEHigh school equivalency diploma, one year of relevant administrative or clerical experience, basic office equipment and Microsoft Office knowledge, and intermediate communication, organizational, and interpersonal skills.
Microsoft Office
2mo
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Assistant Front Office Mgr
Boulder, Colorado, United States
$58k/yr OnsiteFull Time
2+ YOEHigh school diploma, 2+ years supervisory front desk experience (or 4+ years front office), cash handling and computer skills, fluent English, strong customer service and organizational skills.
PBX, Fosse
5d
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Temporary Office Assistant- Board of Equalization
Boulder, Colorado, United States
$25/hr OnsiteMultiple Commitments Available
1+ YOEHigh school diploma or equivalent and one year of general administrative or clerical experience, or equivalent education. Microsoft Teams experience preferred.
Microsoft Teams
2mo
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Office Manager
Atlanta or New York City or Woodbridge or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach County or San Diego or San Francisco or Seattle or Stuart or Washington
HybridFull Time
2+ YOEBachelor's degree, 2+ years office management or executive assistant experience; strong Microsoft Office skills, calendar and travel management, vendor and facilities liaison, event coordination, confidentiality and communication skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
1mo
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Medical Support Assistant
Aurora, Colorado, United States
OnsiteFull Time
0.5+ YOEHigh school/GED, basic medical terminology, 6+ months customer service, ability to type 50 WPM, basic computer skills, English proficiency, ability to obtain Public Trust clearance, U.S. citizenship required.
Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel
6d
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Front Office Assistant (2026-2027)
Denver, Colorado, United States
$41k-$51k/yr OnsiteFull Time
High school diploma and Spanish proficiency required. Requires administrative, communication, computer, attendance, visitor-service, and student-support abilities, with commitment to student success and continuous improvement.
website, computer keyboard
2d
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Executive Assistant & Office Manager
Denver, Colorado, United States
$75k-$95k/yr OnsiteFull Time
3+ YOERequires 3+ years supporting a senior executive, preferably in a high-growth, consumer-facing, or startup environment, with exceptional communication, organization, discretion, and comfort using AI tools.
AI
2mo
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Executive Assistant and Office Manager
Boulder, Colorado, United States
$62k-$82k/yr OnsiteFull Time
1+ YOE1–4 years EA/office manager/ops experience (or strong transition), AI and automation fluency (Claude, Codex, Notion, n8n, Gemini), exceptional organization, written communication, hospitality mindset; must be based in Boulder and work in person.
Claude, Codex, Notion, Notion AI, n8n, Gemini
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