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Project Engineer jobs in o'fallon USA

27 project engineer jobs found in o'fallon: showing 1 - 27

Java
Company: Akaasa Technologies |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Aug 2026
optimization Role: The Software Development Engineer is a hands-on developer specializing in Java development with a particular... transaction processing. What you will do: Design components by translating product requirements, break down project into tasks
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 01 Aug 2026
potential. Title and Summary Site Reliability Engineer II Site Reliability Engineer II Who is Mastercard... Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 01 Aug 2026
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer... for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scale
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 01 Aug 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Senior Software Engineer is an experienced
Data Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 31 Jul 2026
potential. Title and Summary Data Engineer II Overview The Operational Insights Analyst II role within the Program.... - Provide technical input on solution design, feasibility, operational risks, and data requirements during project planning
Senior Site Reliability Engineer, Performance Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 29 Jul 2026
potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer... for scale. The SRE & Performance Engineering team is looking for a strong, innovative engineer to help optimize and scale
Software Engineer Ii - Level 8
Company: US Tech Solutions |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 29 Jul 2026
solutions, ensuring alignment with project objectives and organizational standards. Implements routine enhancements and minor.... Provides technical input during project planning and reviews by contributing insights on system design, technical feasibility
Software Engineer Java
Company: Korn Ferry |

Location: O'Fallon, MO, USA

| Salary: US$60 - 75 per hour | Date posted: 29 Jul 2026
transactions regardless of channel. Responsibilities: The Software Development Engineer is a hands-on developer specializing... requirements, break down project into tasks and provide accurate estimates Independently come up with different solutions
Lead Service Management Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 28 Jul 2026
potential. Title and Summary Lead Service Management Engineer Who is Mastercard? We work to connect and power... better decisions, drives innovation, and delivers better business results. Overview : We are seeking a Lead Data Engineer
Tooling Design Engineer
Company: Actalent |

Location: O'Fallon, MO, USA

| Salary: US$90000 - 100000 per year | Date posted: 28 Jul 2026
Job Title: Tooling Design EngineerJob Description We are seeking a highly skilled Tooling Design Engineer to analyze... tools. The work hours are typically standard business hours, with occasional requirements for extended hours to meet project
Software Engineer Ii
Company: ICONMA |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Jul 2026
Our Client, a Credit Card company, is looking for a Software Engineer II for their O'Fallon, MO/Hybrid location.... Responsibilities: Design components by translating product requirements, break down project into tasks and provide accurate estimates
Operator
Company: City of O'Fallon |

Location: O'Fallon, MO, USA

| Salary: US$24.74 - 30.07 per hour | Date posted: 17 Jul 2026
support, and project coordination. Major Duties: Assist with planning, organizing, and performing daily operational tasks... and capital project planning Review drawings and provide input on construction projects Coordinate contractor work with the
Operator
Company: O’Fallon |

Location: O'Fallon, MO, USA

| Salary: US$24.74 - 30.07 per hour | Date posted: 16 Jul 2026
support, and project coordination. Major Duties: Assist with planning, organizing, and performing daily operational tasks... and capital project planning Review drawings and provide input on construction projects Coordinate contractor work with the
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRE
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 15 Jul 2026
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRE
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
potential. Title and Summary Lead Software Engineer Overview: Mastercard's Global Credit Authorization team is seeking... a Lead Software Engineer (C/C++) to build and enhance high-performance, mission-critical systems that power secure, reliable
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 01 Jul 2026
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRE
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 01 Jul 2026
potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At Mastercard technology, we work to connect... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 30 Jun 2026
potential. Title and Summary Software Engineer II Overview: Mastercards Global Credit Authorization team is seeking... a Software Engineer II (C/C++) who is passionate about building high-performance, mission-critical systems that operate at global
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 26 Jun 2026
potential. Title and Summary Lead Software Engineer Our Purpose We connect and power an inclusive digital economy... Authentication Framework. If you want a challenging project that is changing the way people make payments, this is the role
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 26 Jun 2026
potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At Mastercard technology, we work to connect... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 26 Jun 2026
potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work... whats next. About the Role The Business Operations team is seeking a highly motivated and experienced Senior Site Reliability Engineer (SRE
Senior Service Management Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 18 Jun 2026
potential. Title and Summary Senior Service Management Engineer We are seeking a Senior Reliability Engineer/ Certificate... Lifecycle Management Engineer. The role of Business Operations Organization is to be the production readiness steward
Site Reliability Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 18 Jun 2026
potential. Title and Summary Site Reliability Engineer II Site Reliability Engineer II Who is Mastercard... Payment Network Business Operations team is seeking a highly motivated and experienced Site Reliability Engineer II (SRE
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 12 Jun 2026
potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the... programs with agile, intelligent decision management capabilities worldwide. A Senior Software Engineer is an experienced
Region Landfill Engineer
Company: Waste Connections |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Jun 2026
Region Landfill Engineer -- Lead the Future of Sustainable Solid Waste Management At Waste Connections, engineers... environment, and build for the future. As a Region Engineer, youll be the goto partner for leaders across multiple states
Region Landfill Engineer
Company: Waste Connections |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Jun 2026
Region Landfill Engineer -- Lead the Future of Sustainable Solid Waste Management At Waste Connections, engineers... environment, and build for the future. As a Region Engineer, youll be the goto partner for leaders across multiple states