Jobs in O'Fallon, Missouri, United States

Chubb seeks a Small Business Application and Support Representative to serve as the first point of contact for internal and external customers via phone and email. The role involves providing Level 1 technical assistance, triaging tickets in ServiceNow, and resolving inquiries using critical thinking and established protocols.

Private Duty Nursing for Children & Young Adults (PDN) at Phoenix Home Care provides compassionate, one‑on‑one nursing care in patients' homes, focusing on pediatric and young adult patients. The role delivers medication administration, condition monitoring, treatment execution, and family education while collaborating with the clinical team.

Mastercard seeks a Director of Software Engineering in O'Fallon, Missouri, to lead Java engineering teams and deliver secure, scalable payment solutions. The role involves setting technical strategy, managing budgets, and fostering high-performing diverse teams through rigorous performance reviews.

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.

The Dispute Lifecycle Product Development Team at Mastercard aims to revolutionize the post-purchase experience by designing frictionless tools that reduce disputes and combat fraud. As Director, you will define the strategic vision, oversee solution design, and lead cross-functional teams to deliver secure commerce innovations.

BizOps team at Mastercard drives DevOps transformation by building CI/CD pipelines and automation across the organization. The Site Reliability Engineer II designs, implements, and operates reliable services, automates deployments, monitors system health, and leads incident response while mentoring junior engineers.

The AI Platform Engineering team at Mastercard builds, operates, and evolves enterprise AI platforms and capabilities to provide scalable, secure, and reliable AI infrastructure that enables teams across the company to accelerate AI-powered solutions. As a Senior AI Platform Engineer (DevOps), you will design, implement, and operate foundational platforms supporting machine learning, generative AI, and advanced analytics workloads across public and private cloud environments, working at the inte

Clarkson Eyecare seeks an Optometric Technician in O'Fallon, MO to deliver a world-class Total Patient Experience by assisting optometrists with initial testing and patient flow. Day-to-day duties include operating optical equipment, verifying insurance, facilitating patient flow, and communicating with patients, doctors, and managers.

Retail Pharmacy at CVS Health, delivering compassionate health experiences to the community. The Pharmacy Technician supports the pharmacy team by accurately filling prescriptions, assisting patients at pick‑up, drive‑thru and over the phone, managing inventory, and providing immunization services where permitted.

Mastercard Services Partner Marketing team drives global partner growth and revenue across B2B portfolios. The Vice President leads strategy, program lifecycle, and regional execution, partnering with Channel Partnerships, Sales, Product, Finance and MarCom to build scalable partner programs and measure impact.

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.

Private Duty Nursing for Children & Young Adults (PDN) at Phoenix Home Care provides compassionate in‑home pediatric care. The role delivers one‑on‑one nursing, medication management, and family education while building lasting relationships.

Morrison Healthcare, a Compass Group company, seeks a temporary Cook at Progress West in O'Fallon, MO. The role involves preparing high-quality meals for patients and staff while maintaining strict safety and sanitation standards. This on-site position offers a temporary schedule with potential for permanent employment.

Cadence Education seeks a Preschool Teacher to join its early childhood education team in O Fallon, MO. Under the School Director and Lead Teacher, the Teacher supports daily classroom operations, implements Cadence Education programs, and creates a safe, nurturing environment that meets children’s physical, social, emotional, developmental, and behavioral needs, including those with IEPs. The role maintains classroom routines, delivers curriculum, builds positive family relationships, and ensur

Notification Manager team at Mastercard builds the enterprise notification platform within the Decision Management Program, processing high‑volume transaction events and delivering email, SMS, and API alerts. As a Software Engineer II you will design, develop, test, and maintain Java/Spring Boot microservices, contribute to event‑driven architecture, and ensure platform reliability and security.

Park Place Senior Living at Winghaven, a Sonida Senior Living community in O Fallon, MO, provides quality care for assisted and memory‑care residents. The Dishwasher ensures all tableware, cookware and kitchen areas are clean and organized, supporting the culinary team during meal service.

Doorstep Trash Collection Specialists on the Valet Living team keep apartment communities clean and safe. Each night they collect bagged trash and cardboard recycling from residents’ doorsteps, drive it to the on‑site compactor using their own pickup truck, and use the mobile app to check in and document work.

Retail Store team at CVS Health focuses on delivering compassionate, convenient health experiences to the community. The Store Associate provides differentiated customer service, handles cashier duties, restocks shelves, supports pharmacy staff, and assists with store opening and closing activities.