Jobs in O'Fallon, MO

1,044 job openings within 25 miles

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Lead Software Engineer

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Principal Architect – Edge Platform

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Software Engineer II

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Principal Software Engineer (Solution Architect)

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Principal Project Manager

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Lead Technical Program Manager

Mastercard - O'Fallon, MO

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and ...

Now Hiring Substitute Roles In Parkay District

Kelly Services - Chesterfield, MO

We are hiring substitute teachers and substitute paraprofessional and clerical in Parkway School District. No previous experience is required! Remember that educator who made a difference in your life? Now it's your turn! Substituting is an excellent opportunity to be a mentor and help students become the best versions of themselves. Substitutes are essential in ensuring students conti...

Associate Technical Account Manager

SS&C Technologies - Bridgeton, MO

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description

Radiologic Technologist II-Weekend

Mercy - St. Louis, MO

Position : Radiologic Technologist II-Weekend Option Department : Main Hospital Radiology Hours / Shift : Full time/Weekends-Saturday and Sunday 0630-2300 and one day shift a week BONUS PAY We're a Little Different Our mission is clear...

Instrument Technician

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Manager Performance Initiatives

Mercy - St. Louis, MO

Manager Performance Initiatives Overview: This position serves an integral role in supporting the Primary Care Performance Division (PCPD) leadership team in the organization and implementation of initiatives designed to drive performance, including facilitation of a variety of programs and strategic projects, and delivery ...

Food Service Tech-Lead

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Senior Scheduler

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

RN - Emergency Dept

Mercy - St. Louis, MO

Mercy St. Louis Emergency Department Experienced ED RN's! Full-time, 36 hours per week Who we are: Mercy Hospital St. Louis is a Level 1 Trauma Center which means we have the expertise and resources to care for the most complex and critical medical conditions. We...

Planner II

Leonardo DRS - Bridgeton, MO

Job ID: 113111 The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 5 year running Top Workplace in the Greater St. Louis area. Job Summary Leonard...