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46 technical support specialist jobs at 20 companies in O'Fallon, MO

19h
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Technical Support Specialist
Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Develops enterprise software for energy and telecommunications cooperatives.
Entry-level technical support role requiring basic systems, operating system, networking, and troubleshooting knowledge; strong communication and learning skills. Technical degree or equivalent experience preferred.
Linux, Windows Server, Windows, Mac, TCP/IP, iVUE, SaaS, Single Sign-On, Screen Pop, Microsoft Fundamentals, Google IT Support, CompTIA A+, CompTIA Network+, CompTIA Linux+
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1w
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Technical Support Specialist
Lake Saint Louis or Mandan
HybridFull Time
NISC
NISC: Provides enterprise software solutions for utility and broadband cooperatives.
Entry-level technical support role requiring basic computer, operating system, networking, and troubleshooting knowledge, strong communication, customer service, adaptability, and willingness to learn.
Linux, Windows Server, Windows, Mac, TCP/IP, iVUE, Single Sign-On, Screen Pop, generative AI
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2d
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Corrosion Technical Support Specialist
Maryland Heights, Missouri, United States
$24-$35/hr OnsiteFull Time
Potter Global Technologies
Potter Global Technologies: Manufacturer of life safety and emergency communication equipment.
2+ YOERequires 2+ years in technical support, field service, commissioning, industrial maintenance, fire-sprinkler service, engineering support, or related electromechanical work; high school diploma; technical documentation and troubleshooting skills.
IntelliGen, IntelliPurge, CRM, RS-485, Ethernet, Microsoft Office, NFPA 13, NFPA 25, NICET
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2w
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Technical Support Specialist (Full-Time)
Maryland Heights or St. Louis or Chesterfield
OnsiteFull Time
Acosta Group
Acosta Group: Provides retail sales and marketing services for consumer brands.
2+ YOEHigh school diploma or GED required; 2+ years of technical support or IT experience, IT asset and ITSM platform proficiency, troubleshooting, documentation, communication, prioritization, and problem-solving skills.
ServiceNow, Jira, IT Asset Management, ITSM, Microsoft
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2mo
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Seasonal, Operations Technical Specialist (Part Time)
Belleville, Illinois, United States
$16-$24/hr FieldMultiple Commitments Available
H&R Block
H&R BlockNYSE: HRB: Provides income tax preparation and small business financial services.
Field-based role supporting setup, maintenance, and technical readiness of seasonal tax offices; requires ability to lift 55+ lbs, basic computer hardware troubleshooting, reliable transportation, and Microsoft Office skills.
Microsoft Outlook, Microsoft Teams, Microsoft Office
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1w
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Site Support Specialist
Clayton, Missouri, United States
FieldFull Time
Ogletree Deakins
Ogletree Deakins: Provides legal representation for management in employment matters.
4+ YOEFour-year technical degree or equivalent experience, 4+ years in technical support, hardware and software troubleshooting, strong problem-solving and customer service skills.
Dell, Lenovo, Microsoft Windows, Microsoft Office Suite, Document Management System, ITSM, SCCM, Mobile Device Management, Microsoft Azure
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2mo
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Customer Support Specialist
St. Louis, Missouri, United States
HybridFull Time
Swank Motion Pictures
Swank Motion Pictures: Distributes movies for public performance in non-theatrical markets.
Bachelor's degree required; experience in customer service or digital support; strong technical troubleshooting, CRM proficiency, excellent communication, and ability to manage multiple priorities.
CRM systems
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1w
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Technical Setup Specialist - St. Louis
St. Louis, Missouri, United States
$65k-$70k/yr HybridFull Time
BizzyCar
BizzyCar: Automated recall and service management software for dealerships.
2+ YOERequires 2+ years in technical onboarding, implementation, project management, or IT support; knowledge of software configuration, APIs, integrations, and strong customer-facing communication.
The Hive, Salesforce, HubSpot, APIs, DMS
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2w
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Retail Support Specialist
St. Louis, Missouri, United States
$26/hr OnsiteFull Time
DSI Systems
DSI Systems: Provider of retail sales enablement and business support services.
Requires strong customer service, communication, multitasking, problem-solving, technology navigation, and professionalism in high-volume retail environments; wireless, retail, or technical support experience preferred.
AT&T
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2d
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IT Support Specialist
Chesterfield, Missouri, United States
OnsiteFull Time
Healthcare Fraud Shield
Healthcare Fraud Shield: Automated fraud detection and payment integrity software for healthcare.
3+ YOERequires 3+ years of IT support experience, Windows, Entra ID, Microsoft 365, Group Policy, endpoint patching, mobile device management, PowerShell, VPN troubleshooting, technical writing, and HIPAA awareness.
Windows, Microsoft Intune, Microsoft 365 Admin Center, Microsoft 365, Entra ID, Azure AD, Group Policy, PowerShell, VPN, AI tools, FSA, EAP
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2mo
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Seasonal, Operations Technical Specialist (Part Time)
Affton, Missouri, United States
FieldMultiple Commitments Available
H&R Block
H&R Block: A tax preparation providing seasonal office support and technology-enabled tax services.
Field-based role supporting seasonal office setup, maintenance, and basic IT hardware support; must lift 55+ lbs, have reliable transportation, basic technical skills, and Microsoft Outlook/Teams proficiency.
Microsoft Outlook, Microsoft Teams, Microsoft Office
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2mo
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Seasonal, Operations Technical Specialist (Part Time)
Saint Charles, Missouri, United States
FieldPart Time, Seasonal
H&R Block
H&R Block: A tax preparation and financial services providing seasonal office support and operational services.
Provides hands-on operational, technical, and logistical support for seasonal tax offices; must lift 55+ lbs, have basic PC/hardware knowledge, reliable transportation, and working knowledge of Microsoft Outlook/Teams/Office.
Microsoft Outlook, Microsoft Teams, Microsoft Office, PC hardware
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3mo
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Technical Services and Warranty Specialist
St. Louis, Missouri, United States
OnsiteFull Time
FS-Curtis
FS-Curtis: Manufacturer of industrial air compressors and rotating equipment.
Strong electrical and controls troubleshooting experience for industrial air compressors; field support; diagnose electrical and control issues, guide technicians, and support warranty decisions.
Microsoft Office 365, SAP, ERP systems, Electrical schematics, Technical drawings, Service documentation
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2mo
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UAS Operations Support Specialist
St. Louis, Missouri, United States
OnsiteFull Time
Service Measure
Service Measure: Provides global field data collection and customer experience measurement.
Experience in drone operations, aviation, logistics, field operations, or technical environments; attention to detail, safety-focused, able to follow procedures. FAA Part 107 certification is a plus.
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3mo
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Bilingual Customer Support Specialist (Onsite-Chesterfield)
Chesterfield, Missouri, United States
OnsiteFull Time
Blink Health
Blink Health: Digital platform for affordable prescription medications and pharmacy access.
Bilingual (Spanish, Cantonese, Korean, or Vietnamese) and English proficiency; high school diploma or GED required; customer service/inbound call center experience; strong communication and technical aptitude.
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5d
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Help Desk Support Specialist | Network Solutions
Maryland Heights, Missouri, United States
$19-$19/hr RemoteFull Time
CBIZ
CBIZNYSE: CBZ: Provides financial, tax, and business advisory services to organizations.
2+ YOEAssociate degree in computer science or related field, or 2 years of related work experience. Requires technical troubleshooting, communication, documentation, prioritization, and remote-work readiness.
phone systems, video systems, knowledge base
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5d
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IT Desktop Support
Chesterfield, Missouri, United States
OnsiteFull Time
Brinkmann Constructors
Brinkmann Constructors: National general contractor providing creative construction and design-build solutions.
5+ YOERequires 5+ years of IT support experience, bachelor's degree, technical training, or equivalent experience; Windows, iOS, Entra, Office 365, and Zendesk skills; customer service and willingness to travel.
Microsoft Windows 10, Microsoft Windows 11, iOS, Microsoft Entra, Microsoft Office 365, Zendesk
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2mo
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Technology Specialist
St. Louis, Missouri, United States
$42k-$53k/yr HybridFull Time
Maryville University
Maryville University: A private university providing comprehensive undergraduate and graduate education.
Provide technical support for Microsoft and Apple environments, troubleshoot hardware/software/network issues, manage accounts (Active Directory/Exchange), deploy equipment, and support classroom AV; technical/vocational education required.
Microsoft, macOS, Apple, Active Directory, Exchange
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1w
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Office Services Specialist - Code Enforcement
Clayton, Missouri, United States
$17-$20/hr OnsiteFull Time
St. Louis County
St. Louis County: Provides essential public services and governance for St. Louis County.
3+ YOERequires three years of general office experience, with duties involving records, documents, permits, public interaction, technical guidance, reports, payments, and computerized information processing.
Microsoft Office
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1w
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Mechanical Seal Specialist
St. Louis, Missouri, United States
$100k-$120k/yr OnsiteFull Time
OTC Industrial Technologies
OTC Industrial Technologies: Distributor of industrial equipment and provider of technical services.
Bachelor's degree in mechanical engineering or equivalent experience, technical knowledge of mechanical seals, pumps, and support systems, and Microsoft Word and Excel proficiency. Technical sales experience preferred.
Microsoft Word, Microsoft Excel
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