Senior jobs in o'fallon USA
95 senior jobs found in o'fallon: showing 1 - 50
Senior Analyst - Finance Business Partner Technology
Company: Mastercard |
potential. Title and Summary Senior Analyst - Finance Business Partner Technology Job Description Summary Overview...: where we run, what we run and how we run while ensuring we prioritize what matters. The Senior Analyst, Finance Business PartnerLocation: O'Fallon, MO, USA
| Salary: US$88000 - 141000 per year | Date posted: 04 Sep 2026
Senior Data Engineer
Company: Mastercard |
potential. Title and Summary Senior Data Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview The Enterprise Data Quality team is seeking a Senior Data Engineer to help build and scale MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 04 Sep 2026
Technical Program Management Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
professionals and leaders - Networking opportunities with fellow interns, employees, and senior leaders - Professional developmentLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 04 Sep 2026
Site Reliability Engineering Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
with fellow interns, employees, and senior leaders - Professional development experiences focused on career growth and skillLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 04 Sep 2026
Trainee Sales Consultant
Company: Southern Glazer's Wine and Spirits |
Trainee will support more senior sales employees and the Area Sales Manager in servicing and selling to customers. PrimaryLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
F5 Load Balance Specialist
Company: Programmers.io |
. Present architecture recommendations and operational reviews to senior leadership and business stakeholdersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
Senior Full Stack Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Full Stack Software Engineer Overview The Enterprise Data Catalog team builds... capabilities. We are seeking a Senior Full Stack Software Engineer with strong React, Angular, and Java development expertiseLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 03 Sep 2026
Product Management – Technical Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
from experienced professionals and leaders - Networking opportunities with fellow interns, employees, and senior leadersLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 03 Sep 2026
Senior Patient Service Representative - Women's Care/obgyn
Company: BJC HealthCare |
Job Description: Additional Information About the Role Come join our team as a full-time Senior Patient Service... we serve. Preferred Qualifications Role Purpose The Senior Patient Service Representative functions as a subject matterLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
Principal, Product Management Gbsc Ai Delivery
Company: Mastercard |
management skills, with the ability to influence senior leaders across business and technology organizations - ExperienceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
Director, Finance Business Partner
Company: Mastercard |
in developing, analyzing and validating new business opportunities Collaborates and leads conversations with senior businessLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 03 Sep 2026
Data Scientist Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
Planning - leveraging accurate, timely data to ensure awareness and informed decisioning by Senior Management. Leverage data... from experienced professionals and leaders - Networking opportunities with fellow interns, employees, and senior leadersLocation: O'Fallon, MO, USA
| Salary: US$27 - 34 per hour | Date posted: 02 Sep 2026
Fleet Mechanic
Company: US Foods |
, trailers, bobtails, lift gates, etc.). Take directions from and assist senior technicians with repairs. Utilize fleetLocation: O'Fallon, MO, USA
| Salary: US$29 - 37 per hour | Date posted: 02 Sep 2026
Fleet Mechanic
Company: US Foods |
, trailers, bobtails, lift gates, etc.). Take directions from and assist senior technicians with repairs. Utilize fleetLocation: O'Fallon, MO, USA
| Salary: US$29 - 37 per hour | Date posted: 02 Sep 2026
Platform Engineering Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
from experienced professionals and leaders - Networking opportunities with fellow interns, employees, and senior leadersLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 02 Sep 2026
Senior Engineer I, Electromechanics / Mechanical Design
Company: Schneider Electric |
Job Description: Mechanical Engineer New Product Development About Us Motivair by Schneider Electric is a global leader in advanced liquid cooling technologies engineered to meet the toughest Location: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 02 Sep 2026
Platform Engineering Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
professionals and leaders - Networking opportunities with fellow interns, employees, and senior leaders - Professional developmentLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 02 Sep 2026
Senior Engineer I, Electromechanics / Mechanical Design
Company: Schneider Electric |
Job Description: Senior Mechanical Design Engineer Mission Schneider Electric is seeking a highly experienced... Senior Mechanical Design Engineer to join the Product Innovation team. Reporting to the Director of Product InnovationLocation: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 02 Sep 2026
Senior Engineer I, Electromechanics / Mechanical Design
Company: Schneider Electric |
Senior Mechanical Design Engineer Mission Schneider Electric is seeking a highly experienced Senior MechanicalLocation: O'Fallon, MO, USA
| Salary: US$101600 - 152400 per year | Date posted: 01 Sep 2026
Senior Engineer I, Electromechanics / Mechanical Design
Company: Schneider Electric |
Mechanical Engineer - New Product DevelopmentAbout Us Motivair by Schneider Electric is a global leader in advanced liquid cooling technologies engineered to meet the toughest thermal challenges of mLocation: O'Fallon, MO, USA
| Salary: US$101600 - 152400 per year | Date posted: 01 Sep 2026
Director, Technical Program Management
Company: Mastercard |
, strategic initiatives, delivery commitments, and organizational priorities while influencing outcomes across senior leadership... execution across highly matrixed organizations and influencing senior leadership. Experience managing cross-functionalLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Retail Store Associate
Company: unknown |
robust training to every team member across our organization - from new hires to senior executives. We develop around 90Location: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Lead Data Engineer
Company: Mastercard |
, and engineering practices. Create clarity in complex and ambiguous environments, communicate technical trade-offs to seniorLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Senior Analyst, Finance Business Partner
Company: Mastercard |
potential. Title and Summary Senior Analyst, Finance Business Partner Overview: Mastercard's Technology (TECH) BusinessLocation: O'Fallon, MO, USA
| Salary: US$88000 - 141000 per year | Date posted: 01 Sep 2026
Data Scientist Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
- Networking opportunities with fellow interns, employees, and senior leaders - Professional development experiences focusedLocation: O'Fallon, MO, USA
| Salary: US$27 - 34 per hour | Date posted: 01 Sep 2026
Platform Engineering Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
and coaching from experienced professionals and leaders - Networking opportunities with fellow interns, employees, and seniorLocation: O'Fallon, MO, USA
| Salary: US$25 - 30 per hour | Date posted: 01 Sep 2026
Senior Software Engineer - Java
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Overview: Mastercards Enterprise Credit Risk (ECR) team... is seeking a talented Senior Software Engineer Java Full Stack to design, build, and modernize applications that power creditLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Sep 2026
Director, Technical Program Management
Company: Mastercard |
improvement. Serve as a trusted advisor to senior technology and business leaders. Qualifications Required BachelorLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Retail Warehouse & Production Associate
Company: unknown |
across our organization - from new hires to senior executives. We develop around 90% of our training internally, and partner with a varietyLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 01 Sep 2026
Data Engineering Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
and leaders - Networking opportunities with fellow interns, employees, and senior leaders - Professional development experiencesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive... potential, and be inclusive with a relentless focus on our customers. As a Senior Software Engineer at MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Aug 2026
Data Scientist Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
and leaders - Networking opportunities with fellow interns, employees, and senior leaders - Professional development experiencesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Aug 2026
Enterprise Operations Intern, Summer 2027 – St. Louis, Mo, Us
Company: Mastercard |
from experienced professionals and leaders - Networking opportunities with fellow interns, employees, and senior leadersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Aug 2026
Server/waitstaff
Company: Meridian Senior Living |
Description Meridian Senior Living believes that Everyone Deserves a Great Life. To us, a great life... background checks Meridian Senior Living is an Equal Opportunity EmployerLocation: Meadowlands, MN - O'Fallon, MO, USA
| Salary: unspecified | Date posted: 28 Aug 2026
Wealth Solutions Advisor Safe Act - O'fallon, Mo And Jacksonville, Fl
Company: Citigroup |
where appropriate (including, but not limited to Senior Wealth Advisor, Small Business Partners, Home Lending Officer, Digital WealthLocation: Jacksonville, FL - O'Fallon, MO, USA
| Salary: US$78990 - 110210 per year | Date posted: 27 Aug 2026
Network Architect Ii
Company: Stellar IT Solutions |
:00am - 4:30pm, Monday through Friday. FTE - Direct Hire role Summary The Network Architect II is a senior handsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 27 Aug 2026
Director, Product Delivery
Company: Mastercard |
and client senior executive management as well as functional business partners. Extensive project/program management, problemLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 26 Aug 2026
Lpn
Company: Meridian Senior Living |
Work just THREE shifts a week!! Great for work/home life balance! Meridian Senior Living believes that Everyone Deserves... Knowledgeable of State and local rules, regulations, laws, and ordinances relating to licensed senior housing Previous supervisoryLocation: Meadowlands, MN - O'Fallon, MO, USA
| Salary: US$30 per hour | Date posted: 26 Aug 2026
Software Engineer Intern, Summer 2027 – United States
Company: Mastercard |
interns, employees, and senior leaders Professional development experiences focused on career growth and skill-buildingLocation: O'Fallon, MO, USA
| Salary: US$35 - 46 per hour | Date posted: 25 Aug 2026
Principal Software Engineer
Company: Mastercard |
Services Enablement & Transformation (SET) organization, you will move to wherever the need is greatest, adding senior... The Principal Forward Deployed Engineer is a senior individual contributor who deploys into Services teams to deliverLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Aug 2026
Senior Ai Platform Engineer (devops)
Company: Mastercard |
potential. Title and Summary Senior AI Platform Engineer (DevOps) Who is Mastercard? Mastercard powers economies... development and deployment of AI-powered solutions. As a Senior AI Engineer, you will help design, implement, and operate theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 25 Aug 2026
Senior Business Analyst
Company: Mastercard |
potential. Title and Summary Senior Business Analyst Overview The Revenue Operations & Enablement organization supports... modernization, operational controls, and revenue enablement initiatives. The Senior Business Analyst will support MCBS BillingLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 21 Aug 2026
Vice President Platform Engineering
Company: Mastercard |
. Demonstrated success building, leading, and developing high-performing engineering teams. Experience managing managers and seniorLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 Aug 2026
Vice President, Ai Vulnerability Operations
Company: Mastercard |
, platform, application security, risk, and business teams. This is a senior leadership role for someone who can set enterprise... direction, scale operating discipline, influence senior stakeholders, and drive outcomes through teams. The VP will lead theLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 20 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview: Mastercard Send (part of the Mastercard Move portfolio...) to build reliable, maintainable solutions. [Senior SE Skills | Excel] Experience with production support, on-call operationsLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 19 Aug 2026
Senior Analyst, Real Estate Services
Company: Mastercard |
potential. Title and Summary Senior Analyst, Real Estate Services Our Purpose Mastercard powers economies and empowers..., businesses and governments realize their greatest potential. Title and Summary: Senior Analyst, Global Real Estate ServicesLocation: O'Fallon, MO, USA
| Salary: US$88000 - 141000 per year | Date posted: 18 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Job Overview: Responsible for the analysis, design, developmentLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Aug 2026
Magnolia Trails Director
Company: Capital Senior Living |
Description : Find your joy here, at Park Place at Winghaven, a Sonida Senior Living communityLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Aug 2026
Senior Ai Engineer, Big Data & Ai Solutions
Company: Mastercard |
potential. Title and Summary Senior AI Engineer, Big Data & AI Solutions Overview The Security Solutions Data Science... of transactions and identify suspicious activity in real time. As a Senior AI Engineer, you will work at the intersectionLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company... for all. About the Role The Payment & Enablement Optimization program is hiring a Senior Software Engineer to drive our customer