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Data jobs in o'fallon USA

158 data jobs found in o'fallon: showing 101 - 150

Multi-office Leader
Company: H&R Block |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Aug 2026
issues Ability to interpret data, identify trends, and translate insights into action Ability to climb ladders and lift
Software Engineer, Launch Program 2027 – United States
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$100000 - 130000 per year | Date posted: 24 Aug 2026
, JavaScript, Python, or C# Advanced proficiency in data structures, algorithms, and core computer science concepts Familiarity
Software Engineer Intern, Summer 2027 – United States
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$35 - 46 per hour | Date posted: 24 Aug 2026
++, JavaScript, or similar Strong foundation in data structures, algorithms, and core computer science concepts Familiarity
Manager, Site Reliability Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$122000 - 207000 per year | Date posted: 22 Aug 2026
, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial... and utilization of data across the organization. Establishes and enforces policies and standards for information governance
Manager, Site Reliability Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 22 Aug 2026
, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial... and utilization of data across the organization. Establishes and enforces policies and standards for information governance
Speech Language Pathologist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 22 Aug 2026
experience required. Certified BLS or completion in the first 90 days of employment required. Additional Data Equal
Senior Analyst, Real Estate Services
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$88000 - 141000 per year | Date posted: 19 Aug 2026
recommendations based on project data, trends, and portfolio analysis to support decision-making Mentor and guide junior Team..., analyze and interpret common statement of work terms & business language Excellent data analytics skills, including
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 18 Aug 2026
. Strong understanding of Agile, DevOps, CI/CD, and modern software delivery practices. Experience applying data structures..., and enterprise data protection standards. Experience with performance tuning, capacity planning, resiliency testing, and support
Physical Therapist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Aug 2026
) certification Additional Data Equal Opportunity Employer including Disabled/Veterans
Physical Therapist (pt)
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Aug 2026
experience required. Additional Data **Select Medical is committed to having a workforce that reflects diversity
Senior Ai Engineer, Big Data & Ai Solutions
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 15 Aug 2026
potential. Title and Summary Senior AI Engineer, Big Data & AI Solutions Overview The Security Solutions Data Science... of AI engineering and big data engineering, helping improve the models, data assets, and operational processes that power fraud
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
software applications while applying software engineering best practices, secure coding standards, and effective use of data... of software design, architecture, data structures, secure development practices, testing, and performance optimization. Strong
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 14 Aug 2026
everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion..., and performance testing Leverage data structures and algorithms to optimize test execution, data handling, and performance validation
Maintenance Mechanic
Company: O’Fallon |

Location: O'Fallon, MO, USA

| Salary: US$27.28 - 28 per hour | Date posted: 13 Aug 2026
, and backhoes. Address customer concerns, assist with purchasing, maintain facilities, perform data entry and daily readings
Patient Service Specialist- Float/split
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: US$19 per hour | Date posted: 12 Aug 2026
School Diploma or GED Preferred: 1 Year Front Desk experience Healthcare experience Additional Data Equal
Growth Advisor For Home Services
Company: Grokon Marketing |

Location: O'Fallon, MO, USA

| Salary: US$80000 - 100000 per year | Date posted: 06 Aug 2026
, automation, AI, actionable data, and a deep understanding of the people they serve. To grok means to understand something
Principle, Vulnerability Analyst
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026
by AI models by reviewing code context, dependency data, application architecture, runtime exposure, compensating controls.... Assess vulnerability severity using available evidence, including exploitability, reachability, data sensitivity, business
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 04 Aug 2026
experience. Strong foundation in algorithms, data structures, scripting, software design, and pipeline management. Systematic
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 04 Aug 2026
data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions... to each qualified transaction processed by Mastercard, increasing the security, accessibility, and simplicity of data for participating
Portfolios Solutions Analyst
Company: Allianz |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026
, and Operations. Map, upload, analyze, and report on bordereaux and underlying data for risk, premium, and claims transactions.... Collaborate with offshore resources to ensure accurate data processing. Prepare reports for business consideration as part
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 03 Aug 2026
experience. Strong foundation in algorithms, data structures, scripting, software design, and pipeline management. Systematic
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
, automation, scripting, data setup, AI-assisted script generation, bottleneck discovery, performance tuning, and performance data... AI-assisted engineering tools to accelerate performance test script generation, test data preparation, log analysis, anomaly
Senior Specialist, Payroll Tax
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$85000 - 132000 per year | Date posted: 01 Aug 2026
Validate employee tax setup and election data conversions. Support payroll vendor implementations and integrations
General Manager
Company: Arby's |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 31 Jul 2026
understanding of business operations and the ability to analyze financial data for informed decision-making. Excellent
Merchandising Specialist
Company: Premium Retail Services |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 30 Jul 2026
data service and a functional camera. Minimum 18 years of age or older You demonstrate consistency, reliability
Phlebotomist Ii
Company: Quest Diagnostics |

Location: O'Fallon, MO, USA

| Salary: US$21.5 per hour | Date posted: 30 Jul 2026
. Ability to navigate a computer and accurately enter data is a requirement to be successful in this role. Obtain... and submission of statistics and data when required. Maintain all appropriate phlebotomy logs in a timely manner and based
Lead Project Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$113000 - 186000 per year | Date posted: 30 Jul 2026
(written, oral and presentational) and interpersonal skills Experience in analysis of operational data to support business
Merchandising Specialist
Company: Acosta |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 29 Jul 2026
and Qualifications:** + You have a smartphone with reliable data service and a functional camera. + Minimum 18 years of age or older
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
, automation, scripting, data setup, AI-assisted script generation, bottleneck discovery, performance tuning, and performance data... AI-assisted engineering tools to accelerate performance test script generation, test data preparation, log analysis, anomaly
Qualified Medication Aide (qma)
Company: Capital Senior Living |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Jul 2026
Sage - Improve call light response time and improvement to service and care Microsoft Power BI - one stop for all data
Senior Ai Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 25 Jul 2026
organizations to achieve growth and innovation goals by delivering unparalleled data-driven intelligence and cutting-edge... AI solutions. By harnessing proprietary data, frontier generative AI, and global expertise, B&MI helps businesses make smarter
Manager, Ai Engineering (tester )
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Jul 2026
delivers unparalleled data-driven intelligence and frontier AI solutions that help organizations make smarter, faster... targeting prompt injection, jailbreaks, data leakage, context poisoning, and model manipulation building and maintaining
Senior Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 24 Jul 2026
programs using Agile delivery models (Scrum, Kanban, etc.) You have a track record of data driven decision-making and applying
Nursing Aide
Company: Capital Senior Living |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 22 Jul 2026
for all data needs Company support for educational and learning opportunities Paid referral programs for Team Member
Physical Therapist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 22 Jul 2026
) certification Additional Data Equal Opportunity Employer including Disabled/Veterans
Physical Therapist (pt)
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
experience required. Additional Data Equal Opportunity Employer including Disabled/Veterans
Director, Finance Business Partner - Technology Infrastructure
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
expertise [SME] for their designated area (e.g., financial & data technology tools) Performs new opportunity assessments
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
understanding of software development lifecycle, software design principles, data structures, and object-oriented programming... technical issues across application, integration, environment, and data layers. Strong communication, collaboration
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 16 Jul 2026
everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion...: unit, functional, integration, system, and performance testing Leverage data structures and algorithms to optimize test
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 14 Jul 2026
, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial
Maintenance Mechanic
Company: City of O'Fallon |

Location: O'Fallon, MO, USA

| Salary: US$27.28 - 28 per hour | Date posted: 12 Jul 2026
.Address customer concerns, assist with purchasing, maintain facilities, perform data entry and daily readings.Provide
Director, Project Management (ai)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 11 Jul 2026
, AI CoE, AI Governance, Risk, Data, Controls, and other partners to ensure initiatives are appropriately shaped, governed... ability to synthesize complex information into concise, data-backed, visually clear narratives for senior leadership
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
, resiliency, maintainability, and performance. Guide engineers in applying effective use of data structures, algorithms... fundamentals, including data structures, algorithms, and performance optimization techniques. Experience conducting code reviews
Accounts Payable Specialist
Company: SAK Construction |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
, and a tremendous amount of growth potential. Responsibilities: Utilize OCR software to collect invoice data, verify accuracy... procedures Knowledge of relevant accounting software and Microsoft Excel Proficient in data entry and management At least 2
Wfm Lead, Na Contact Center
Company: Chubb |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Jul 2026
, and assisting operations reporting and analytics teams when to utilize contact center data to drive efficiencies, improve customer..., tooling, and operational excellence and day-to-day leadership. This role reports to the AVP, Data & Workforce Analytics
Manager, Advertising Technology & Revenue Enablement
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$109000 - 180000 per year | Date posted: 06 Jul 2026
-to-end solutions for a diverse global customer base. Centered on data-driven technologies and innovation, these services... include payments-focused consulting, loyalty and marketing programs, business Test & Learn experimentation, and data-driven
Director, Platform Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Jul 2026
everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion
Occupational Therapist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Jul 2026
or completion in the first 90 days of employment required Additional Data Equal Opportunity Employer, including Disabled
Speech Language Pathologist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Jul 2026
experience required. Certified BLS or completion in the first 90 days of employment required. Additional Data Equal