12 project assistant jobs at 9 companies in Sullivan, MO

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Assistant Project Manager
Warrenton, Missouri, United States
$65k-$80k/yr OnsiteFull Time
MasTec
MasTecNew York Stock Exchange: MTZ: Builds and maintains energy, communications, and utility infrastructure.
Bachelor's in Construction Management or Engineering (or equivalent), strong written/oral communication, MS Word/Excel/Outlook/Project/PowerPoint skills, ability to read plans, multitasking and problem-solving abilities.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Project, Microsoft PowerPoint, Internet Explorer
22h
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Assistant Project Manager
Wentzville, Missouri, United States
$19-$22/hr FieldFull Time
ServiceMaster Contract Services
ServiceMaster Contract Services: Professional janitorial and commercial cleaning services provider.
Requires a high school diploma/GED, customer service and communication skills, basic computer skills, attention to detail, physical ability to lift up to 100 pounds with assistance, and local or out-of-state travel. Restoration experience and IICRC certifications preferred.
Drying Workbook
1w
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Project Assistant
Chesterfield, Missouri, United States
OnsiteFull Time
Brinkmann Constructors
Brinkmann Constructors: National general contractor providing commercial construction and design-build services.
High school diploma required; experience in construction or administrative support preferred. Proficiency with Microsoft Office and SharePoint, strong communication, organization, multitasking, and ability to notarize and maintain project files.
Microsoft Office, Microsoft SharePoint
1w
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Assistant Project Manager
Warrenton, Missouri, United States
$65k-$80k/yr OnsiteFull Time
MasTec
MasTecNYSE: MTZ: Provides infrastructure engineering, construction, and maintenance services.
Bachelor’s in Construction Management or Engineering (or equivalent), strong communication, computer literacy, problem-solving, ability to read civil/structural/mechanical plans, and attention to detail.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Project, Microsoft PowerPoint, Internet Explorer
1w
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Assistant Project Manager - Warrenton, MO
Warrenton, Missouri, United States
$100k-$115k/yr OnsiteFull Time
Nooter
Nooter: Provides industrial construction, electrical, and maintenance services.
5+ YOE5+ years construction project experience, document control and project controls experience, proficiency with Microsoft Office, strong communication, organization, and analytical skills; PMP/CAPM/OSHA30 preferred.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint
1w
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Project Accountant
Chesterfield, Missouri, United States
OnsiteFull Time
Brinkmann Constructors
Brinkmann Constructors: National general contractor providing commercial construction and design-build services.
1+ YOEPerform billings, job cost, invoice coding, subcontractor billing, draw requests, and assist in job audits. Requires construction accounting experience and intermediate to advanced Excel skills.
Microsoft Excel, Microsoft Word, Vista Viewpoint
1w
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Production Admin Assistant
Kirkwood, Missouri, United States
$19-$21/hr OnsiteFull Time
Mosby Building Arts
Mosby Building Arts: Design-build residential remodeling providing home renovation services.
1+ YOEProvide clerical support, schedule vendors and materials, cover front desk, assist project managers, and improve production processes; 1 year office experience and intermediate Microsoft Office skills required.
Microsoft Office
1w
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Student Success Assistant - Student Employee
St. Louis, Missouri, United States
$15/hr OnsitePart Time
Maryville University
Maryville University: Private university offering undergraduate and graduate degree programs.
Work-study eligible student with customer service skills to greet students, answer phones, direct inquiries, assist with events and office projects.
2mo
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SENIOR EXECUTIVE ASSISTANT #00097626
Rolla, Missouri, United States
$53k-$74k/yr OnsiteFull Time
University of Missouri
University of Missouri: Public university providing higher education, research, and healthcare services.
4+ YOEBachelor's degree or equivalent and at least 4 years of experience providing high-level executive support, project/event coordination, office operations, discretion, and strong communication and organizational skills.
2mo
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Graduate Assistant - Student Financial Services 2026-2027
St. Louis, Missouri, United States
$3k/yr OnsitePart Time, Temporary
Maryville University
Maryville University: Private university offering undergraduate and graduate degree programs.
Bachelor's degree required; must be accepted and enrolled in the ACSCI or DSCI master's program at Maryville University; ability to manage multiple projects, work independently and in teams, and strong written and interpersonal skills.
CRM
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Fall 2026 Stadium Operations Internship
O'Fallon, Missouri, United States
OnsiteInternship
Lafayette Aviators
Lafayette Aviators: Collegiate summer baseball team and sports entertainment provider.
Willingness to learn, energetic, able to perform stadium upkeep, assist management with events, inventory, purchasing, preventative maintenance, and provide customer service.
3w
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Library Associate III – Reference & Adult Services
Kirkwood, Missouri, United States
$18/hr OnsitePart Time
Kirkwood Public Library
Kirkwood Public Library: Municipal public library providing information resources and community programming.
Provide reference assistance, run the reference desk, develop and present programs, assist patrons with technology, and complete projects independently.
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