24 marketing assistant jobs at 21 companies in O'Fallon, IL

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Marketing Assistant
Cleveland or St. Louis
$45k/yr HybridFull Time
Tucker Ellis
Tucker Ellis: Offers nationwide litigation, intellectual property, and corporate legal services.
0+ YOEBachelor's degree in marketing, communications, or related field; 0–2 years of marketing or business development experience; Microsoft Office and LinkedIn proficiency; strong organization and communication skills.
Microsoft Word, Microsoft PowerPoint, Microsoft Excel, LinkedIn, Microsoft SharePoint, Canva, Adobe Creative Suite, HubSpot, SigParser
2w
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Marketing Assistant
St. Louis or Richmond Heights
OnsiteInternship
ARCO Design/Build
ARCO Design/Build: Nationwide design-build construction firm specializing in industrial facilities.
Bachelor's degree in a relevant field, strong organization and communication skills, Microsoft Office proficiency, and preferred Adobe Creative Cloud experience; marketing experience is helpful but not required.
Microsoft Office, Microsoft PowerPoint, Microsoft Word, Microsoft Excel, Microsoft Outlook, Adobe Creative Cloud, Adobe InDesign, Adobe Photoshop, Adobe Illustrator
2w
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Marketing Assistant
Richmond Heights, Missouri, United States
OnsiteFull Time
ARCO Design/Build
ARCO Design/Build: Provides design-build construction for industrial and commercial facilities.
Bachelor's degree in marketing, communications, graphic design, business, or related field. Strong organization, communication, and detail skills required; Microsoft Office proficiency required. Adobe Creative Cloud preferred.
Microsoft PowerPoint, Microsoft Word, Microsoft Excel, Microsoft Outlook, Adobe Creative Cloud, Adobe InDesign, Adobe Photoshop, Adobe Illustrator
1mo
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Marketing and Sales Assistant
Fairview Heights, Illinois, United States
$17-$19/hr OnsiteFull Time
Jacob Sunrooms, Exteriors & Baths
Jacob Sunrooms, Exteriors & Baths: Installs residential sunrooms, windows, and provides bathroom remodeling services.
Must follow phone script, strong MS Office skills (Word, Excel, Outlook). Prefer 1-2 years bookkeeping/accounting or QuickBooks knowledge. Able to multitask, work independently, and interact with customers.
Microsoft Word, Microsoft Excel, Microsoft Outlook, QuickBooks
1mo
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Marketing Intern (Paid) - Mandarin Speaking
St. Louis, Missouri, United States
$15/hr OnsiteMultiple Commitments Available
HungryPanda
HungryPanda: Specialized food delivery platform for Asian communities living abroad.
Mandarin-speaking marketing intern to assist campaigns, campus partnerships, WeChat community management; OPT/CPT supported and must have legal work authorization.
WeChat, Xiaohongshu (RED)
2w
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Assistant Manager – Operations & Marketing
O'Fallon, Missouri, United States
$44k-$50k/yr OnsiteFull Time
Big Blue Swim School
Big Blue Swim School: Provides professional swimming lessons and water safety instruction.
Supervisory experience preferred, strong communication and organization, comfortable with community outreach and social media, ability to lift 30 pounds, stand for extended periods, and work mid-shifts, evenings, and weekends.
6d
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Promotion Assistant
St. Louis, Missouri, United States
FieldPart Time
Hubbard Broadcasting
Hubbard Broadcasting: Operates television and radio stations and digital marketing agencies.
Requires a valid driver's license, clean driving record, strong public communication, problem-solving, prioritization, teamwork, flexibility, and ability to lift up to 25 pounds.
2w
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Director of Sales & Marketing: AL & MC
Sappington, Missouri, United States
OnsiteFull Time
Provision Living
Provision Living: Operates senior living communities with assisted living and memory care.
2+ YOEDevelop and execute sales and marketing plans for assisted living/memory care to meet occupancy targets; strong sales closing, CRM and Microsoft Word/Excel proficiency; weekend availability and up to 10% travel.
Microsoft Word, Microsoft Excel, CRM
2mo
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Sr. Assistant Director for Enrollment Strategy
St. Louis, Missouri, United States
$60k-$66k/yr OnsiteFull Time
University of Missouri
University of Missouri: Public university providing higher education, research, and healthcare services.
5+ YOEBachelor's degree (or equivalent) and at least 5 years' related experience; experience with Slate CRM, enrollment marketing, omnichannel campaigns, AI/ML tools, strong writing, project management, and data-driven decision making.
Slate CRM, CollegeVine AI agent, Enroll ML, ZeeMee
1mo
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Administrative Assistant, Student Employee (Student Involvement, Marketing & Communications)
St. Charles, Missouri, United States
$15/hr OnsitePart Time
Lindenwood University
Lindenwood University: Private university providing undergraduate and graduate degree programs
Currently enrolled Lindenwood student in good academic and financial standing; strong written/verbal communication, customer service, organization, multitasking, and basic computer/spreadsheet skills.
Mane Connection
3w
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Licensed Physical Therapist Assistant Outpatient
Kirkwood, Missouri, United States
OnsiteMultiple Commitments Available
Aegis Therapies
Aegis Therapies: Provides rehabilitation and wellness services to senior care facilities.
Current or obtainable PTA license, outpatient experience preferred; new grads welcomed. Must be able to treat residents, assist with clinic marketing and scheduling.
1w
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Physical Therapist Assistant Workers' Compensation Specialty Evaluator
Ballwin, Missouri, United States
FieldFull Time
CORA Physical Therapy
CORA Physical Therapy: Provider of outpatient physical therapy and rehabilitation services.
Active physical therapist assistant license required. Workers' compensation experience recommended but not required; marketing experience preferred. Must provide treatment, evaluations, documentation, and patient care under therapist direction.
Functional Capacity Evaluations (FCEs)
1mo
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2026 Fall Internship
St. Charles, Missouri, United States
OnsiteInternship
FC Tulsa
FC Tulsa: Professional soccer team competing in the USL Championship.
Unpaid internship seeking college credit; requires willingness to learn, positive attitude, interest in sports, and ability to assist with sales, marketing, community outreach, and game-day tasks.
3w
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Assistant Center Director
St. Louis, Missouri, United States
$39k/yr OnsiteFull Time
Temple Ventures
Temple Ventures: Operates Mathnasium centers providing personalized math instruction for children.
Lead and manage instructors, drive center enrollment and local marketing, oversee operations and Mathnasium Method; bachelor’s degree preferred and math proficiency required.
Google Suite
1mo
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Assistant Director, Advancement Communications - University Advancement
Clayton or Saint Louis
$50k-$82k/yr OnsiteFull Time
Washington University in St. Louis
Washington University in St. Louis: Providing higher education and conducting advanced academic research.
2+ YOEBachelor's degree, 2+ years relevant experience, strong research and writing, project management and deadline skills; Adobe Creative Cloud and Salesforce Marketing Cloud experience preferred.
Adobe Illustrator, Adobe InDesign, Adobe Photoshop, Microsoft Word, Salesforce Marketing Cloud
3w
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Senior Living Advisor - Sales and Marketing
Imperial, Missouri, United States
$65k-$70k/yr FieldFull Time
Americare Senior Living
Americare Senior Living: Provides senior living, memory care, and skilled nursing services.
Field-based sales role requiring proven sales or senior living experience (1+ year preferred), HS diploma, valid driver’s license, ability to lift up to 25 lbs and assist with mobility, strong communication and relationship-building skills.
CRM
1w
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Assistant Manager(09195)441 Market Place
Freeburg, Illinois, United States
OnsiteFull Time
Domino's
Domino'sNASDAQ: DPZ: Global pizza chain providing delivery and carryout services.
Manage restaurant operations, customers, staffing, inventory, cash handling, sales, food safety, training, and team meetings.
1w
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MetroMarket Mobile Market Assistant Lead
St. Louis, Missouri, United States
FieldFull Time
Operation Food Search
Operation Food Search: Distributes food and provides nutrition education to reduce hunger.
3+ YOE3+ MgmtRequires 3+ years of retail supervision or management, a valid driver's license, Microsoft Office knowledge, customer service skills, and ability to stand for long periods, lift 40 pounds, and drive transit vans.
Microsoft Office
3d
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Non-Reg On-Caller
Carlinville, Illinois, United States
$20/hr OnsitePart Time
Edward Jones
Edward Jones: Provides personalized financial advice and wealth management services.
Provides client service, account management, administrative support, marketing assistance, and technology support while working independently with financial advisors.
MoneyGuide, Salesforce, Microsoft Office
1mo
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Assistant Store Manager - White House Black Market
Des Peres, Missouri, United States
OnsiteFull Time
Chico's FAS
Chico's FAS: Retailer of private-label women's apparel and accessories.
2+ YOE2+ years retail management preferred; high school diploma or equivalent; strong communication, leadership, sales analytics, scheduling, inventory, cash handling, and customer service skills; ability to work flexible schedule including nights/weekends/holidays.