Full-time Jobs in O'Fallon, Missouri, United States

ACE Cash Express Retail Team provides financial services and products to local customers. Sales Associates engage customers, recommend appropriate ACE services, handle cash and transactions, and ensure compliance with regulations.

Senior Sales Executive – HNAS at Highmark Health’s HNAS team drives growth by prospecting and closing group health benefit contracts across the U.S. The role focuses on selling core and supplemental products to TPAs and self‑funded clients, building broker relationships, and crafting territory action plans. Remote‑US with 0‑25% travel.

CVS Health Pharmacy team at the O Fallon store delivers convenient, compassionate medication services to the community. Pharmacy Technicians support pharmacists by accurately filling prescriptions, providing immunizations, and ensuring safe pharmacy operations across all workstations.

The Software Engineer I joins Mastercard’s Shared Services, Fraud Products team to enhance the Decision Management Platform, a core Java-based system combating fraud and validating identity. Day-to-day duties include analyzing requirements, supporting development using Agile practices, and ensuring secure, scalable application performance in O'Fallon, Missouri.

Mastercard’s Payment & Enablement Optimization program seeks a Senior Software Engineer to drive customer experience strategy through innovation and problem-solving. The role involves designing scalable solutions, developing test automation frameworks, and ensuring secure, high-quality software delivery in an Agile environment.

Media Solutions team at Mastercard drives smarter decisions for advertisers and media agencies through location insights, measurement and analytics solutions. The Director leads strategic partnership sales across the NAM region, building territory plans, developing joint business plans, and managing the full partner lifecycle from recruitment to revenue activation.

Mastercard Technology Finance team partners with technology divisions to drive financial planning, reporting and analysis. The Manager provides financial guidance, leads budgeting and forecasting, and builds performance models to identify risks and opportunities.

Property Catastrophe Claims Team at Chubb handles personal and commercial property loss from natural disasters. The Senior Property Claims Specialist assesses damage, conducts virtual inspections, and manages claim reserves while delivering superior service to policyholders.

Maintenance Technician II at Woodbury Place, part of JES Holdings' Fairway Management division, supports the mission of developing, building, and managing quality affordable housing. The role performs daily resident work orders, unit make-readies, preventative maintenance, and general repairs across multifamily properties in O'Fallon, MO. Work is full-time, Monday through Friday, 8am to 5pm, with on-call after-hours availability and occasional overtime.

Chubb seeks a Customer Service Representative for its NC team to serve as the first point of contact for agents in personal lines insurance. The role involves handling phone quoting, policy issuance, and endorsements within a high-volume contact center environment across Whitehouse Station, NJ; O Fallon, MO; or Phoenix, AZ. This is an on-site position requiring adherence to scheduled shifts between 8am-5pm EST.

The Sleep Expert - Sales role at Mattress Firm in O'Fallon, Missouri is a full-time position focused on elevating the in-store customer experience by serving as a trusted sleep authority and offering best-in-class products. Day-to-day, the expert executes Mattress Firm selling programs using digital tools, supports a seamless omnichannel experience, provides technical and product knowledge, drives individual sales performance and KPIs, maintains customer relationships before and after purchase,

Mastercard's North America US Issuers organization is hiring a Manager, Business Development to drive account retention and growth within the Processors and Community Institutions team. You will partner with banks, credit unions, and payment consultants to identify opportunities, develop proposals, negotiate contracts, and sell value-added services.

Highmark Inc’s Medical Director leads utilization management for a nationwide remote physician team, ensuring medical necessity reviews meet NCQA, URAC, CMS, DOH, and DOL standards. The role conducts electronic case reviews, engages in peer-to-peer discussions, and advises multidisciplinary teams on high‑risk cases.

Assistant Property Manager at Genteman Manor I, II, III, part of Fairway Management (a division of JES Holdings), supports the property manager in daily operations of an affordable housing community. Day-to-day duties include resident service, rent collection, leasing and marketing, compliance with affordable housing and government standards, and maintaining property curb appeal.

Electronic Assembler on Bascom Hunter's RF Products line. Performs precision soldering, SMT equipment operation, and detailed assembly of complex electronic modules while ensuring IPC-A-610 quality standards.

Mastercard's Security Solutions Data Science team builds AI capabilities to protect the global payments ecosystem from fraud and cyber threats. As a Senior AI Engineer in O'Fallon, Missouri, you will engineer data pipelines, enhance model monitoring, and deploy MLOps practices to improve fraud detection systems.

Join the team as a Customer Service Representative at the O'Fallon, United States location, providing exceptional service to valued customers. Day-to-day duties include answering incoming phone calls, taking customer orders accurately, preparing and making pizzas according to company standards, processing cash and credit card transactions, and maintaining a clean, organized work environment.

Christian Brothers Automotive Service Department repairs and maintains a wide range of domestic and foreign vehicles with a focus on precision and customer transparency. The technician diagnoses, repairs and inspects vehicles, collaborates with the service team to address customer concerns, and continuously builds expertise across automotive systems.

Park Place Senior Living at Winghaven, a Sonida Senior Living community, delivers quality care across independent, assisted, and memory living. The Assistant Director of Nursing leads nursing policy implementation, oversees resident assessments, and ensures compassionate, compliant care while supervising staff.

Housekeeper role at Park Place at Winghaven, a Sonida Senior Living community in O'Fallon, MO, providing quality care across independent living, assisted living, and memory care. Day-to-day duties include performing housekeeping and janitorial tasks, minor repairs, laundry services, monitoring chemical and supply inventory, and following resident apartment and common area cleaning schedules.