Systems Engineer jobs in o'fallon USA
65 systems engineer jobs found in o'fallon: showing 1 - 50
Sre Devops Engineer
Company: Wipro Digital |
Jobs Job Description Apply now Start Please wait... Job Title: SRE DEVOPS ENGINEER City: O Fallon State/Province: Missouri Posting Start Date: 10..., and error budgets Perform incident management, RCA, and postmortems Implement monitoring, logging, and alerting systemsLocation: O'Fallon, MO, USA
| Salary: US$45000 - 110000 per year | Date posted: 23 Oct 2026
Compliance Engineer
Company: Schneider Electric |
Job Description: Regulatory Compliance Engineer Reports To:Manager of Engineering Buffalo NY Position Summary... A Regulatory Compliance Engineer is responsible for ensuring that data center liquid cooling products within the company adhereLocation: O'Fallon, MO - Buffalo, NY, USA
| Salary: US$101600 - 152400 per year | Date posted: 20 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role The Authentication Program develops and operates... that protects billions of digital payment interactions globally. We are hiring a Software Engineer II to join Mastercard's CoreLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 20 Oct 2026
Director, Platform Engineering
Company: Mastercard |
, and automation libraries that standardize infrastructure deployment patterns. Engineer and enhance platform services, including... CI/CD pipelines, secrets management, artifact repositories, and configuration management systems. Implement automatedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 17 Oct 2026
Lead Site Reliability Engineer
Company: Mastercard |
potential. Title and Summary Lead Site Reliability Engineer Overview: Who is Mastercard? At Mastercard technology... are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and productsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Senior Software Engineer with strong expertise in Golang, cloud-native applicationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Oct 2026
Lead Software Development Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Development Engineer Overview Mastercard is a global technology company... a highly skilled Lead Software Engineer to drive architecture, design, development, modernization, and operational excellenceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 15 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Senior Software Engineer with strong expertise in Golang, cloud-native applicationLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Oct 2026
Senior Software Engineer - Java Full Stack & Ai
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Full Stack & AI Overview The Decision Services Technology.... As a Senior Software Engineer, you will independently deliver complex solutions, influence technical design decisions, and helpLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Oct 2026
Senior Software Engineer - Java Full Stack & Ai
Company: Mastercard |
potential. Title and Summary Senior Software Engineer - Java Full Stack & AI Overview The Decision Services Technology.... As a Senior Software Engineer, you will independently deliver complex solutions, influence technical design decisions, and helpLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 14 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Overview Mastercards Fraud Products team develops capabilities for the... for high performance and availability. As a Software Engineer II, you will develop, test, deploy, and support applicationsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 13 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview The Business & Market Insights team within Mastercard.... As a Senior Software Engineer, you will design, build, test, deploy, and support full-stack solutions that power theseLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software engineer About the Role The Mastercard Operational Intelligence Program... global marketplace. We are currently seeking a Senior Software Engineer to join the Mastercard Operational Reports NexGenLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Senior Information Security Engineer
Company: Mastercard |
potential. Title and Summary Senior Information Security Engineer Who is Mastercard? Mastercard is a global technology... for all. Overview As an Information Security Engineer AI Security Operations, you will be at the forefront of protecting theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 13 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role The Mastercard Operational Intelligence Program... global marketplace. We are currently seeking a Software Engineer II to join the Mastercard Operational Reports NexGenLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 12 Oct 2026
Senior Software Engineer (go/c )
Company: Wipro Digital |
Jobs Job Description Apply now Start Please wait... Job Title: Senior Software Engineer (Go/C ) City: O Fallon State/Province: Missouri Posting... or C is mandatory. Candidates without demonstrated Go or C programming experience should not be submitted. Linux systemsLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 12 Oct 2026
Network Engineer
Company: Diverse Lynx |
and troubleshooting systems. Wireshark, tcpdump, or equivalent packet-analysis tools. Practical experience with resilient or activeLocation: O'Fallon, MO, USA
| Salary: US$50 per hour | Date posted: 10 Oct 2026
Site Reliability Engineer I
Company: ICONMA |
Our Client, a Credit Card company, is looking for a Site Reliability Engineer I for their O'Fallon, MO/ Hybrid location... health. Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improveLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 10 Oct 2026
Senior Software Engineer (go/c )
Company: Wipro |
Jobs Job Description Apply now Start Please wait... Job Title: Senior Software Engineer (Go/C ) City: O Fallon State/Province: Missouri Posting... or C is mandatory. Candidates without demonstrated Go or C programming experience should not be submitted. Linux systemsLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 09 Oct 2026
Software Engineer I
Company: Mastercard |
potential. Title and Summary Software Engineer I About the Role Join Mastercards Transaction Stream team in OFallon.... As a Software Engineer I, you will collaborate with engineers and product partners to build, test, and enhance solutionsLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 08 Oct 2026
Senior Software Engineer
Company: Mastercard |
's payment systems are built, scaled, and operated. As a Senior Software Engineer, you will lead the design and development... potential. Title and Summary Senior Software Engineer Overview Join a team focused on transforming how MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 07 Oct 2026
Data Engineer Ii
Company: Mastercard |
potential. Title and Summary Data Engineer II Overview: Mastercards Enterprise Credit Risk (ECR) team is seeking a Data... Engineer II to design, build, and maintain data platforms and products that support credit decisioning, risk analyticsLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 07 Oct 2026
Manager, Software Engineering
Company: Mastercard |
systems that power billions of transactions worldwide. This role is ideal for a technical leader with strong expertise in C/C...++ and distributed systems who enjoys building high-performing teams while remaining actively engaged in architecture, designLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 07 Oct 2026
Software Engineer I
Company: Mastercard |
potential. Title and Summary Software Engineer I Who is Mastercard? We work to connect and power an inclusive, digital..., and delivers better business results. About the Role We are looking for a motivated Software Engineer to develop, testLocation: O'Fallon, MO, USA
| Salary: US$72000 - 115000 per year | Date posted: 06 Oct 2026
Senior Data Engineer
Company: Mastercard |
potential. Title and Summary Senior Data Engineer Overview: Mastercards Data Collection & Engineering (DC...&E) organization is seeking a Senior Data Engineer to play a critical role in designing, building, and scaling MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 02 Oct 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II About the Role Mastercard's Services Technology organization is seeking... a Software Engineer II to contribute to the design, development, testing, deployment, and operational excellence of softwareLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 02 Oct 2026
Senior Data Engineer
Company: Mastercard |
potential. Title and Summary Senior Data Engineer Overview: Mastercards Data Collection & Engineering (DC...&E) organization is seeking a Senior Data Engineer to play a critical role in designing, building, and scaling MastercardLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 01 Oct 2026
Senior Integration Engineer
Company: Mastercard |
potential. Title and Summary Senior Integration Engineer Overview At Mastercard, our technology and innovation are driven... Boot microservices architectures Experience testing RESTful APIs in distributed systems environments Hands-on experienceLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Oct 2026
Senior Java Fullstack Engineer
Company: ICONMA |
Our client, a Credit Card Company, is looking for a Senior Java Fullstack Engineer for their O Fallon, MO/Hybrid... to diagnose production issues Qualifications: Bachelors degree in information systems, Information Technology, Computer ScienceLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview Mastercard is a global technology company in the payments... within CI/CD pipelines to enforce quality gates and prevent regressions Ensure systems meet correctness, reliability, and backwardLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Sep 2026
Data Engineer Ii
Company: Mastercard |
potential. Title and Summary Data Engineer II Overview The Operational Insights Analyst II role within the Program... that aggregate, process, and analyze operational data across multiple systems. The position identifies patterns, trends, and emergingLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Software Engineer Ii – Notification Manager
Company: Mastercard |
transaction processing systems. Success Measures (First 12 Months) A successful Software Engineer II on the Notification... potential. Title and Summary Software Engineer II Notification Manager Overview The Notification Manager teamLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 29 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview At Mastercard Commercial Solutions, we empower businesses... Software Engineer to advance our customer experience strategy through innovation and problem-solving. The ideal candidateLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy..., this is the role for you! As a Lead Software Engineer, you will be responsible for: Design and develop secure, reliableLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Sep 2026
Senior Software Engineer
Company: Mastercard |
is central to this strategy. We are looking for a lead software engineer to implement large scale distributed systems based... potential. Title and Summary Senior Software Engineer Who is Mastercard Mastercard is a global technology company in theLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 29 Sep 2026
Principal Software Engineer
Company: Mastercard |
potential. Title and Summary Principal Software Engineer Who is Mastercard? Mastercard is a global technology company... authentication, issuer enablement, and risk-based authentication. As a Principal Software Engineer, you serve as a distinguishedLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 25 Sep 2026
Principal Software Engineer
Company: Mastercard |
potential. Title and Summary Principal Software Engineer Principal Software Engineer Position Overview The Principal... Software Engineer is a senior individual contributor within Architecture & Technology (A&T), responsible for driving enterpriseLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 23 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Who is Mastercard? Mastercard is a global technology company in the... for all. Overview We are seeking an experienced Lead Software Engineer that possesses strong experience with Golang with strongLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 21 Sep 2026
Lead Performance Engineer
Company: Wipro Digital |
Jobs Job Description Apply now Start Please wait... Job Title: Lead Performance Engineer City: O Fallon State/Province: Missouri Posting Start...-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components, and hybrid cloudLocation: O'Fallon, MO, USA
| Salary: US$80000 - 158000 per year | Date posted: 19 Sep 2026
Lead Performance Engineer
Company: Wipro Digital |
Jobs Job Description Apply now Start Please wait... Job Title: Lead Performance Engineer City: O Fallon State/Province: Missouri Posting Start...-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components, and hybrid cloudLocation: O'Fallon, MO, USA
| Salary: US$80000 - 158000 per year | Date posted: 19 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II The Core Payments department is hiring a highly motivated Software... Engineer II with a passion for Artificial Intelligence, Machine Learning, and Generative AI technologies. This roleLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Software Engineer Ii - Decision Management Program
Company: Mastercard |
potential. Title and Summary Software Engineer II - Decision Management Program Position Summary The Notification Manager..., and customer engagement products. As a Software Engineer II, you will contribute to the design, development, testing, deploymentLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 18 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer This role is part of the Software Engineering team within Mastercard... serves as a centralized engineering function that partners with domain teams to build and operate systems at scaleLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 17 Sep 2026
Software Engineer Ii
Company: Mastercard |
potential. Title and Summary Software Engineer II Mastercard Digital Enablement Services (MDES) is seeking a Software... Engineer II to join our Quality Engineering team. In this role, you will contribute to the design, development, automationLocation: O'Fallon, MO, USA
| Salary: US$92000 - 147000 per year | Date posted: 17 Sep 2026
Senior Data Engineer
Company: Mastercard |
potential. Title and Summary Senior Data Engineer Overview: Mastercard Foundry is seeking a Senior Data Engineer.... In this role, you will take ownership of building and optimizing data platforms, pipelines, and systems that enable advancedLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 16 Sep 2026
Senior Data Engineer
Company: ICONMA |
Our client, a Credit Card company, is looking for a Senior Data Engineer x 2 for their O'Fallon, MO/Hybrid location.... Responsibilities: The Senior Data Engineer will play a critical role in ProCODE's transformation of enterprise reportingLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 16 Sep 2026
Senior Software Engineer
Company: Mastercard |
. We are modernizing the ABU platform and looking for a Senior Software Engineer to build and enhance highly available, distributed systems... potential. Title and Summary Senior Software Engineer Overview The ABU team enables issuers and acquirers to securelyLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 15 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Mastercard's Core Payments engineering teams build... Stack Software Engineer will contribute to mission-critical solutions that support Foreign Exchange rate settingLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 11 Sep 2026
Lead Software Engineer
Company: Mastercard |
potential. Title and Summary Lead Software Engineer Overview: The Mastercard Developer Workbench, part of the MSBX... and extend these systems effectively. - Architect and oversee the implementation of pre-provisioned onboarding environmentsLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 11 Sep 2026
Senior Software Engineer
Company: Mastercard |
potential. Title and Summary Senior Software Engineer Overview Next Edge represents the next phase of Mastercard's Core... to build, test, and deploy software more efficiently. As a Senior Software Engineer, you will contribute to the design