IT Support jobs in o'fallon USA
216 it support jobs found in o'fallon: showing 151 - 200
Lead Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments.... Participate in production support, incident response, root cause analysis, and continuous improvement efforts. Apply and championLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 Sep 2026
Software Engineer Ii
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... that integrate with AI and Machine Learning capabilities to support business-critical applications. Write clean, maintainableLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Packaging Operator
Company: ALPLA |
. Whether you're an experienced manufacturing professional or looking to start a new career, we provide the support... and/or move or push /pull up to 55 lbs. Specific vision abilities required by this job include close It is required to actLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Sep 2026
Packaging Operator
Company: ALPLA |
. Whether you're an experienced manufacturing professional or looking to start a new career, we provide the support... and/or move or push /pull up to 55 lbs. Specific vision abilities required by this job include close It is required to actLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Sep 2026
Seasonal Retail Sales Associate-the Shops At Laura Hill
Company: Bath & Body Works |
experiences create great consumer experiences. When our associates feel supported, inspired and empowered, consumers feel it... and at check-out. Support product replenishment activities and maintain brand standards to keep the store full and abundantLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 18 Sep 2026
Software Engineer Ii - Decision Management Program
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... channels. Engineers on the team build and maintain distributed, event-driven services that support critical fraud, securityLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... while also contributing to reliability, observability, and production support. You will design, build, test, deploy, and support businessLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Sep 2026
Software Engineer Ii
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments..., automation, continuous improvement, and engineering excellence. As a Software Engineer II, you will design, develop, and supportLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 17 Sep 2026
Senior Data Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments..., build, and maintain scalable, reliable data platforms, pipelines, and data products that support analytics, machine learningLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Sep 2026
Director Business Analysis
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments.... Ongoing M&A Operational Support This role serves as a critical liaison between Product, Billing Operations, TechnologyLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Senior Data Engineer
Company: ICONMA |
, and observability throughout the data lifecycle. Support modernization of existing ETL and reporting solutions into cloud-native... analytical requirements. Design scalable semantic models that support both operational reporting and advanced analytics useLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Medical Assistant - Family Medicine Clinic
Company: unknown |
It's more than a career, it's a calling MO-SSM Health Medical Group - 1101 Highway K Worker Type: Regular..., Missouri, Oklahoma, Wisconsin Basic Life Support HealthCare Provider (BLS HCP) - American Heart Association (AHA) WorkLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Lead, Product Experience Design
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsibleLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Director, Product Experience Design
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... Design Subject Matter Expert to support the evolution of our enterprise Product Onboarding Strategy, helping deliverLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... platform performance, resiliency, and scalability to support evolving on-soil regulations and growing global demandLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Sep 2026
Obgyn Opportunity, Bjc Medical Group Women's Health Care In O'fallon, Mo
Company: BJC HealthCare |
NPs Robust APP support allows physicians to focus on clinical care 36 patient-facing hours per week Average of 16-20... colposcopies and LEEPs On-site ultrasound and ultrasound technicians Maternal Fetal Medicine support available through WashULocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Principal Product Manager - Technical
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... effectively with Business and IT stakeholders across all organizational levels? Are you an innovator who embraces, adoptsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Vice President, Software Engineering
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... judgment with strategic thinking to deliver business outcomes, support platform growth, and advance Mastercard's technologyLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Sep 2026
Director, Technology Finance & Fp&a
Company: HireVenture |
, with Apptio and Agile IT experience a plus. Compensation for O'Fallon, Missouri is $150,000$160,000 USD, plus potential bonus... for a designated area within a large technology organization. Own and support: Annual budgeting Forecasting Long-range planningLocation: O'Fallon, MO, USA
| Salary: US$150000 - 160000 per year | Date posted: 12 Sep 2026
Senior Accountant
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... Business Solutions Center (GBSC), responsible for delivering timely, accurate, and compliant accounting and financial supportLocation: O'Fallon, MO, USA
| Salary: US$88000 - 141000 per year | Date posted: 11 Sep 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... and support the platforms responsible for secure, reliable, and scalable payment capabilities around the world. This Senior FullLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 11 Sep 2026
Lead Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, MastercardLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Sep 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... modern distributed systems, and working with evolving technologies that support innovation at enterprise scale. RoleLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 10 Sep 2026
Senior Technical Program Manager
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalfLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 09 Sep 2026
Vp, Gbsc Value Creation And Delivery
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... strategic priorities into actionable plans and ensuring effective delivery of initiatives that support the function, GBSCLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Sep 2026
Certified Nurse Midwife At Women's Health At Progress West In O'fallon, Mo
Company: BJC HealthCare |
fetus and using knowledge of drugs and pain management Offer support and advice following birth or events... on this description has been designed to indicate the general nature and level of work performed by employees in this position. It is not designedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 09 Sep 2026
Senior Database Platform Engineer (oracle)
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... is responsible for delivering secure, scalable, resilient, and highly available database platforms that support Mastercard's criticalLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 09 Sep 2026
Part-time Hair Stylist
Company: Great Clips |
and you will not be waiting to build a clientele! Why you'll love it here Great Clips salons give you everything you need to succeed: Great... and operated salons across the U.S. and Canada, Great Clips combines strong brand recognition, marketing, and support with a closeLocation: Saint Charles, MO - O'Fallon, MO, USA
| Salary: US$20 - 45 per hour | Date posted: 05 Sep 2026
Lead Software Integration Engineer (release Management) – Workday & Hr Platforms
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments..., and production support to ensure stable and effective business solutions. Overview Mastercard delivers change across enterpriseLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 Sep 2026
Senior Data Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... pipelines using Spark, Scala/Python/Java, Databricks, Hadoop, and cloud-native technologies to support enterprise dataLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 04 Sep 2026
Senior Full Stack Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... with -enterprise platforms and data sources. -Build capabilities that support metadata discovery, data profiling, business glossariesLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 03 Sep 2026
Retail Merchandiser
Company: SAS Retail Services |
provided the opportunities, support, and enrichment you need to grow your career. In this role, you will provide in-store... merchandising support to Retailers to meet shoppers needs. This includes building displays and end caps, resetting shelvesLocation: O'Fallon, MO, USA
| Salary: US$15 per hour | Date posted: 02 Sep 2026
Mechanical Design Engineer
Company: Schneider Electric |
, this role will lead the conceptualization, design, and development of innovative cooling technologies that support... Innovation organization. Provide technical guidance and mentorship to engineers and designers. Support engineering reviewsLocation: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 02 Sep 2026
Radiology Technologist
Company: unknown |
It's more than a career, it's a calling MO-SSM Health Streets of Caledonia Worker Type: Regular Job Highlights... purposes and provides support for the imaging department. This position performs plain films, fluoro, portables, and OR examsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Sep 2026
Mechanical Design Engineer
Company: Schneider Electric |
. Design sheet metal, weldments, plastics, tubing, and mechanical assemblies for new and existing products. Support cross... to cutting-edge solutions that support the world's most demanding computing environments. At Schneider, we believe that everyLocation: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 02 Sep 2026
Director, Technical Program Management
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, MastercardLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 02 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments..., information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person workingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Lead Data Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... Databricks, Apache Spark, Delta Lake, and cloud-native technologies to support high-volume data workloads. Drive data platformLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Emergency Room Patient Care Tech-ft
Company: BJC HealthCare |
. Charles County, featuring modern private rooms. It offers 24-hour emergency services and has partnered with St. Louis Children... patient care to support the licensed professional nurses responsible for a team of patients to ensure a safe environmentLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments.... Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challengesLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Aug 2026
Software Engineer Ii
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments.../Spring and modern user interfaces using Angular and Node.js within a distributed architecture. You will support end-to-endLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 28 Aug 2026
Customer Experience Specialist
Company: Phoenix Textile Corporation |
discrepancies come up, whether it's a billing question, a return, or a shipping issue, you'll research the details and resolve them... processing, or account support, preferably in a business-to-business or commercial sales environment.Strong verbal and writtenLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Aug 2026
Vice President, Technology Risk Managment
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... that support Mastercard's technology organization. This role provides strategic leadership for enterprise technology riskLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Aug 2026
Manager, Finance Business Partner
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... and support to our business partners, reporting, planning including budget & forecast, and ad-hoc analysis. Key to prosperingLocation: O'Fallon, MO, USA
| Salary: US$109000 - 180000 per year | Date posted: 26 Aug 2026
Principal Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... and more capable than you found it. Deliver Where It's Needed Most Embed directly into Services product and engineering teamsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 24 Aug 2026
Hair Stylist
Company: Great Clips |
/cosmetology license is required. Why you'll love it here Great Clips salons give you everything you need to succeed: Great... combines strong brand recognition, marketing, and support with a close-knit, team-oriented culture. We're passionateLocation: Saint Charles, MO - O'Fallon, MO, USA
| Salary: US$20 - 40 per hour | Date posted: 24 Aug 2026
Manager, Site Reliability Engineering
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments.... Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challengesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 22 Aug 2026
Vice President Platform Engineering
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments..., platform reliability, observability, and capacity management. Ensure platform designs support fault tolerance, scalabilityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 20 Aug 2026
Senior Software Engineer
Company: Mastercard |
with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments... systems. Role Responsibilities Design, develop, deploy, and support cloud-native Java applications and microservicesLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 19 Aug 2026
Physical Therapy Assistant (pta)
Company: Powerback Rehabilitation |
to deliver personalized care exactly where and when it's needed most. Join an industry-leading team that restores hope... off to Full-Time and Part-Time team members. Support for New Grads: Our Powerback Clinical Mentorship Program kicks off