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70 application support jobs at 49 companies in O'Fallon, MO

1mo
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Application Support Analyst I (Remote Position)
St. Louis, Missouri, United States
RemoteFull Time
Omnigo
Omnigo: Software for incident management and public safety professionals.
High school diploma required; 2–4 year college degree preferred. Strong Windows and networking knowledge, excellent communication, customer service focus, troubleshooting and documentation skills, and ability to participate in after-hours on-call.
Microsoft Windows, TCP/IP, routing, switching, firewalls, DNS, DHCP, Docusign
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3w
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Application Engineer
Hoffman Estates or St. Louis
OnsiteFull Time
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Experience in motion control, motor drives, system integration, PLC programming, and customer-facing technical support; familiarity with industrial communication protocols and ROS; bachelor's degree or technical degree preferred.
CANopen, EtherCAT, PROFINET, EtherNet/IP, PLC, ROS (Robot Operating System), SolidWorks
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1w
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Application Development Senior Advisor
Bloomfield or Austin or St. Louis or Denver or Bloomington or Philadelphia or Morris Plains or Plano
$122k-$204k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
6+ YOE6+ years supporting enterprise applications, 3+ years Python, hands-on AWS and monitoring (Dynatrace, Splunk), SRE/ops experience, KPI/SLO measurement, automation and observability skills.
Python, AWS, IAM, EC2, S3, CloudWatch, Lambda, Step Functions, SQS, SNS, Glue, Athena, Dynatrace, Splunk, Docker, Kubernetes, Terraform, Databricks, Snowflake, GitHub Actions, Jenkins
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5d
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ERP Application Developer
St. Louis, Missouri, United States
$100k-$120k/yr HybridFull Time
MX Holdings
MX Holdings: Purchases, processes, and manufactures aluminum and non-ferrous metals.
Hands-on X++ and Microsoft Dynamics 365 Finance & Supply Chain development experience, D365 deployment/support, Visual Studio, source control, strong problem-solving and communication skills; US work authorization required.
Microsoft Dynamics 365 Finance & Supply Chain, X++, Visual Studio, Power BI, Electronic Reporting, SSRS, Data Lake, Fabric, CodeX, Claude Code, C#, Javascript, T-SQL, WCF, Microsoft Outlook, Microsoft Excel, DevOps pipelines, MSFT Power Platform
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1w
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EOC Support Analyst
Norristown or Saint Louis
$23/hr HybridFull Time
TierPoint
TierPoint: Provides data center colocation and managed cloud infrastructure services.
2+ YOEProvide 24/7 customer support, troubleshoot technical events, document and escalate tickets, type 50 WPM, and use Microsoft Office and Windows applications.
Microsoft Office, Windows
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1w
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Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
EPS Corporation
EPS Corporation: Provides engineering, logistics, and technical solutions to federal agencies.
5+ YOE5+ years SharePoint Online/web application development and sustainment; DCWF Work Role 212 proficiency; DoDM 8140.03 foundational qualification; final SECRET clearance; hands-on Power Platform, SharePoint Online, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508-compliant application delivery.
SharePoint Online, Microsoft Power Platform, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
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2w
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IT Support Technician
St. Louis, Missouri, United States
OnsiteFull Time
Tucker Ellis
Tucker Ellis: Offers nationwide litigation, intellectual property, and corporate legal services.
3+ YOEHigh school diploma, 3+ years application support experience, strong Microsoft Windows and Office 365 skills, Zoom/Teams experience, excellent communication, ability to lift/move equipment, must pass background check.
Microsoft Word, Microsoft Windows, Microsoft Office 365, Zoom, Teams
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5d
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Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
$110k-$140k/yr OnsiteFull Time
Computer World Services
Computer World Services: Provides IT modernization and cybersecurity solutions for federal government agencies.
5+ YOE5+ years SharePoint Online/web application development and sustainment experience; DoDM 8140.03 and residential privileged access qualification; DCWF Work Role 212 or equivalent; Security+ / GSSP / CSSLP preferred; experience with Power Platform, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508 accessibility experience.
SharePoint Online, Microsoft Power Platform, Power Apps, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
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3w
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Recovery Support Technician- PT
Maryville, Illinois, United States
$17-$18/hr OnsitePart Time
Chestnut Health Systems
Chestnut Health Systems: Provider of integrated behavioral health, addiction, and primary care.
Provide recovery-focused, trauma-informed support in residential/crisis services; must be 21+, high school diploma/GED, valid driver’s license/insurance when applicable, personal recovery experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Adobe Acrobat, Electronic Medical Records (EMR)
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2w
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Recovery Support Technician
Maryville, Illinois, United States
$17-$18/hr OnsiteFull Time
Chestnut Health Systems
Chestnut Health Systems: Integrated behavioral health, primary care, and substance use treatment.
Must be 21+, high school diploma or equivalent, personal recovery experience preferred, skills in human services, ability to work with adults, valid driver’s license/insurance when applicable, and basic computer/EMR skills.
Electronic Medical Records (EMR), Microsoft Word, Microsoft Excel, Microsoft Outlook, Adobe Acrobat
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1w
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Operations Associate-Stifel Support
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel
StifelNYSE: SF: Provides wealth management and investment banking services to clients.
0+ YOEProvide phone and application support for branch offices, handle inquiries, escalate issues, and maintain records; strong communication, organization, and multitasking skills.
Microsoft Outlook, Microsoft Office, Word, Excel, Microsoft Edge, Chrome, Safari, Thomson One, BETA, Salesforce
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2mo
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Washington, Missouri, United States
OnsiteFull Time
Clemco Industries
Clemco Industries: Manufacturer of abrasive blasting and surface preparation equipment.
Open to all departments and positions; no specific qualifications listed.
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2mo
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Cloud Application Deployment and Migration Specialist (Mid-Level, Senior or Lead) **Sign on Bonus Potential**
Berkeley or Seattle or Daytona Beach
$105k-$239k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOE4+ years computing administration; 3+ years deploying/migrating enterprise apps; 3+ years supporting COTS/OSS; 3+ years security tech design.
Azure, Kubernetes, Containers, Helm, Jira, Confluence, GitLab, Artifactory, SonarQube, PLM/MOM/ERP, M365, Active Directory, Security Technologies (encryption, certificates, MFA/2FA, SAML/SSO/IDaaS)
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2mo
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Cloud Application Deployment and Migration Specialist (Mid-Level, Senior or Lead) **Sign on Bonus Potential**
Berkeley or Seattle or Daytona Beach
$105k-$239k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOE4+ years computing administration; 3+ years deploying, migrating or operating enterprise apps; 3+ years supporting COTS/OSS; 3+ years security tech design; ability to obtain SAP access.
Microsoft Azure, Kubernetes, Containers, Helm, Jira, Confluence, GitLab, Artifactory, SonarQube, PLM/MOM/ERP, SAML/SSO, IDaaS, MFA
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1d
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Administrative Assistant II
Wentzville, Missouri, United States
$15-$22/hr OnsiteFull Time
Urshan University
Urshan University: Provides undergraduate and graduate Apostolic higher education programs.
Support admissions and enrollment by processing applications, fielding inquiries, maintaining applicant records, and assisting recruitment and orientation; strong communication, multitasking, and PC/Mac/Google Drive skills.
Google Drive
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2mo
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ADMIN ASST-HRLY - ENERGIZER PARK HOME OF STL CITY SC
Saint Louis, Missouri, United States
$22/hr OnsitePart Time
Compass Group
Compass GroupLondon Stock Exchange: CPG: Provides contract food and support services globally.
Clerical and administrative support; part-time; pay $22/hour; text-based application option; diverse team environment.
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1w
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Operations Associate-Stifel Support
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
0+ YOEStrong organizational and communication skills, ability to handle high call volumes, multitask, learn firm applications and financial services procedures; high school diploma and 0–2 years business experience preferred.
Microsoft Outlook, Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft Edge, Chrome, Safari, Thomson One, BETA, Salesforce
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1w
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Regional Assistant
St. Louis, Missouri, United States
$26-$30/hr OnsiteFull Time
Jani-King
Jani-King: Global leader in commercial cleaning and janitorial franchise systems.
2+ YOE2+ years accounting or office support experience; proficiency with Microsoft Office; knowledge of invoicing, billing, cash application, and collections; strong communication and organizational skills.
Microsoft Excel, Microsoft Word, Microsoft Outlook
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3w
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RESID DSP PT, Florissant (FC/F): Mon 3p-11p, Thu, Sat 3p-9p
Florissant or Saint Louis
$21/hr FieldPart Time
UCP Heartland
UCP Heartland: Provides comprehensive care and support for people with disabilities.
High school diploma/GED, valid driver’s license and clean driving record, mandatory paid training, experience supporting individuals with disabilities, able to work weekends and follow medical orders; client requests female applicants.
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2w
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Credentialing Analyst II- Christian Hospital
Saint Louis, Missouri, United States
OnsiteFull Time
BJC Health System
BJC Health System: Non-profit health system providing comprehensive hospital and clinical care.
2+ YOEPerform primary source verification, maintain credential records and databases, ensure regulatory compliance, prepare provider applications, and support credentialing processes (2+ years experience preferred).
CAQH
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