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Applications Engineer jobs in saint charles USA

27 applications engineer jobs found in saint charles: showing 1 - 27

Software Engineer 2 (devops/sre)
Company: U.S. Bank |

Location: Earth City, MO, USA

| Salary: US$98175 - 115500 per year | Date posted: 25 Aug 2026
will be adept with the agile software development lifecycle and DevOps principles. As a Software Engineer, you will play a key... principles. Experience supporting applications in highly regulated financial services environments. Strong verbal and written
Senior Ui/ux Engineer
Company: Leidos |

Location: Earth City, MO, USA

| Salary: US$107900 - 195050 per year | Date posted: 22 Aug 2026
and data more effectively. As a Sr. UI/IX Engineer, you will play a critical role at the intersection of user experience... and engineer the next generation of mission-focused user experiences, we'd love to hear from you. Position may be performed
Senior Ui/ux Engineer
Company: Leidos |

Location: Saint Charles, MO, USA

| Salary: US$107900 - 195050 per year | Date posted: 22 Aug 2026
and data more effectively. As a Sr. UI/IX Engineer, you will play a critical role at the intersection of user experience... and engineer the next generation of mission-focused user experiences, we'd love to hear from you. Position may be performed
Systems Engineer, Associate, Experienced And Senior Level
Company: Boeing |

Location: Saint Charles, MO, USA

| Salary: US$91800 - 124200 per year | Date posted: 22 Aug 2026
, Senior Level 4: $ 136,850 - $ 185,150 Applications for this position will be accepted until Sept. 07, 2026 Export Control
Legacy Support Engineer
Company: The Newberry Group |

Location: Saint Charles, MO, USA

| Salary: unspecified | Date posted: 19 Aug 2026
Job Summary Newberry Groups seeks an experienced Legacy Support Engineer with strong mainframe IDMS and Db2 z/OS DBA... clearance. Responsibilities and Duties Provide daily operational support for legacy mainframe applications and associated
Air Quality Engineer Or Scientist
Company: Civil & Environmental Consultants |

Location: Saint Charles, MO, USA

| Salary: unspecified | Date posted: 17 Aug 2026
Overview As an Air Quality Engineer or Scientist for Civil & Environmental Consultants, Inc. (CEC), in our St... atmospheric emissions from proposed processes and equipment in support of state and federal permit applications. Job duties
Cloud Engineer
Company: Artech Information Systems |

Location: Earth City, MO, USA

| Salary: unspecified | Date posted: 14 Aug 2026
) Job Responsibilities for Cloud Engineer: Installs and maintains cloud-based applications, systems, and associated infrastructures...Job Description Job Title: Cloud Engineer Location: Hopkins (Primary), else from Atlanta hub (Secondary
Real-time Software Engineers (associate Or Experienced)
Company: Boeing |

Location: Saint Charles, MO, USA

| Salary: US$99450 - 134550 per year | Date posted: 12 Aug 2026
in Ada. Join us. Build your Future. In this role, the software engineer will join a multi-discipline team to design... of features from design through deployment. Our work includes developing real-time embedded applications, creating models
Software Engineer 2 (ai/genai)
Company: U.S. Bank |

Location: Earth City, MO, USA

| Salary: US$98175 - 115500 per year | Date posted: 11 Aug 2026
applications utilizing Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), embedding models, and prompt engineering... platforms into enterprise-scale applications and business processes. Built and consumed REST APIs, GraphQL services
Software Engineer 1 (backend Ui And Ai)
Company: U.S. Bank |

Location: Earth City, MO, USA

| Salary: US$86360 - 101600 per year | Date posted: 08 Aug 2026
, JavaScript (ES6+), and Node.js for building scalable, high-performance web applications. Strong experience with Micro Frontend... design, and cross-browser compatibility. Experience building accessible, user-centric applications with a strong focus
Software Engineer 2 (backend Ai)
Company: U.S. Bank |

Location: Earth City, MO, USA

| Salary: US$98175 - 115500 per year | Date posted: 07 Aug 2026
applications utilizing Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), embedding models, and prompt engineering... platforms into enterprise-scale applications and business processes. Built and consumed REST APIs, GraphQL services
Senior Test Engineer
Company: Leidos |

Location: Saint Charles, MO, USA

| Salary: US$107900 - 195050 per year | Date posted: 06 Aug 2026
looking for a passionate Senior Test Engineer to join the Chinook Program to support one of our customers applications, a critical capability... and manual test cases for web-based and enterprise applications. Partner with software developers, systems engineers
Senior Test Engineer
Company: Leidos |

Location: Earth City, MO, USA

| Salary: US$107900 - 195050 per year | Date posted: 06 Aug 2026
looking for a passionate Senior Test Engineer to join the Chinook Program to support one of our customers applications, a critical capability... and manual test cases for web-based and enterprise applications. Partner with software developers, systems engineers
Test Engineer
Company: Hitachi |

Location: Earth City, MO, USA

| Salary: unspecified | Date posted: 06 Aug 2026
Job Description: The Opportunity As a Test Engineer supporting our Service Business, you will receive and evaluate transformer oil... Employment Opportunity Hitachi is an Equal Employment Opportunity (EEO) employer. We welcome applications from all qualified
Mid-level Software Engineer
Company: Leidos |

Location: Saint Charles, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 01 Aug 2026
Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role... alongside some of the industrys brightest engineers, architects, and mission experts. As a Full Stack Engineer, youll
Mid-level Backend Software Engineer
Company: Leidos |

Location: Earth City, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 01 Aug 2026
a Backend Software Engineer to support a highvisibility, datadriven application used across the organization for analytics... applications within Linux-based environments Data Processing & Business Logic: Implement backend logic for data transformation
Mid-level Backend Software Engineer
Company: Leidos |

Location: Saint Charles, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 01 Aug 2026
a Backend Software Engineer to support a highvisibility, datadriven application used across the organization for analytics... applications within Linux-based environments Data Processing & Business Logic: Implement backend logic for data transformation
Mid-level Software Engineer
Company: Leidos |

Location: Earth City, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 01 Aug 2026
Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role... alongside some of the industrys brightest engineers, architects, and mission experts. As a Full Stack Engineer, youll
Field Service Engineer - Data Center
Company: Hitachi |

Location: Earth City, MO, USA

| Salary: unspecified | Date posted: 26 Jul 2026
Opportunity (EEO) employer. We welcome applications from all qualified individuals, including females, minorities, protected
Project Engineer
Company: Craftsmen Industries |

Location: Saint Charles, MO, USA

| Salary: unspecified | Date posted: 25 Jul 2026
including but not limited to Medical, Dental and Vision. 401(k) Match and Much More! Position Title: Project Engineer... Location: St. Charles, MO Position Summary: The Project Engineer ensures the timely and efficient completion of projects
Mid-level Test Engineer
Company: Leidos |

Location: Saint Charles, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 22 Jul 2026
our nations security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting..., and driving continuous improvement in an Agile environment, wed like to hear from you. As a Mid-Level Test Engineer
Mid-level Test Engineer
Company: Leidos |

Location: Earth City, MO, USA

| Salary: US$87100 - 157450 per year | Date posted: 22 Jul 2026
our nations security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting..., and driving continuous improvement in an Agile environment, wed like to hear from you. As a Mid-Level Test Engineer
Software Engineer–developer, Phantom Works Weapons (associate Or Experienced)
Company: Boeing |

Location: Saint Charles, MO, USA

| Salary: US$99450 - 134550 per year | Date posted: 15 Jul 2026
. Find your future with us. The Boeing Company is seeking an Application Software Engineer (Associate or Experienced) to join the... for eligible/qualified external candidates. Applications for this position will be accepted until Jul. 28, 2026 Export Control
Software Engineer–developer, Phantom Works Weapons (experienced Or Senior)
Company: Boeing |

Location: Saint Charles, MO, USA

| Salary: US$126650 - 171350 per year | Date posted: 14 Jul 2026
. Find your future with us. The Boeing Company is seeking an Application Software Engineer (Experienced or Senior) to join the Phantom... and open architectures 3+ years with network architectures and software applications that communicate through TCP/UDP based
High Voltage Test Engineer
Company: Hitachi |

Location: Earth City, MO, USA

| Salary: US$105800 - 158600 per year | Date posted: 13 Jul 2026
Job Description: High Voltage Test Engineer The Opportunity Are you ready to power up your career with Hitachi Energy...? We are looking for a passionate High Voltage Test Engineer to join our Transformer Services US engineering team in Earth City, MO. This role
Phantom Works Mechanisms Design Engineer (senior Or Experienced)
Company: Boeing |

Location: Saint Charles, MO - Berkeley, MO, USA

| Salary: US$103700 - 140300 per year | Date posted: 09 Jul 2026
. Find your future with us. Boeing is seeking a Senior or Experienced Mechanism Design Engineer to support a Next Generation Cruise... combination of technical education and experience Experience with 3D solid modeling software applications (e.g. NX, Catia, CADD
Senior Transformer Engineer
Company: Hitachi |

Location: Earth City, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
Job Description: Senior Transformer Engineer The Opportunity Are you ready to elevate your engineering career? Hitachi Energy is seeking... a passionate and experienced Transformer Engineer to join our Transformer Services US engineering team. Whether you're based