• Mainframe Developer Jobs in O Fallon, IL

    Jobs 1 to 20 of 229

  • SAP Application Developer Senior

    SSM Health • Saint Louis, MO 63112
    It's more than a career, it's a calling. MO-SSM Health Integrated Health Technologies Worker Type: Regular Job Summary: Responsible... Read More

  • Software Developer, Mid

    General Dynamics Information Technology • Saint Louis, MO 63112
    Req ID: RQ172876 Type of Requisition: Regular Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Job Family:... Read More

  • Senior Software Developer

    General Dynamics Information Technology • Saint Louis, MO 63112
    Req ID: RQ173161 Type of Requisition: Regular Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Job Family:... Read More

  • Senior Mainframe Associate Manager/Manager

    Accenture • Saint Louis, MO 63112
    Are you an expert Mainframe Associate Manager/Manager with unparalleled hands-on experience in COBOL, JCL, VSAM, CICS, DB2,... Read More

  • Mainframe Specialist

    Accenture • Saint Louis, MO 63112
    Are you an expert Mainframe Specialist with unparalleled hands-on experience in COBOL, JCL, VSAM, CICS, DB2, Assembler, REXX,... Read More

  • Mainframe Modernization and Services Sales Director

    Accenture • Saint Louis, MO 63112
    We Are Accenture is a leading global professional services company that helps the world's leading businesses, governments and other... Read More

  • Principal Software Engineer - OMEN Gaming Hub

    HP Inc. • Saint Louis, MO 63112
    Responsible for designing, developing and mentorship activities for OMEN Gaming Hub from product definition and planning through... Read More

  • Sr Software Engineer (Java)

    Object Computing, Inc. • Saint Louis, MO 63101
    Object Computing, Inc. in St. Louis, MOseeks a f/t Sr. Software Engineer (Java) resp. for analyzing, developing, testing, enhancing... Read More

  • Sr. Software Engineer

    Robert Half • Saint Louis, MO 63112
    Description We are seeking a Sr. Software Engineer based in SAINT LOUIS, Missouri, 63141-6727, United States. This role involves... Read More

  • Lead Software Engineer - Flight Simulation Labs

    The Boeing Company • Saint Louis, MO 63140
    Job Description At Boeing, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can... Read More

  • Secret Cleared Full Stack Developer (Midwest Remote)

    Insight Global • Scott Air Force Base, IL 62225
    Job Description A client of Insight Global is seeking an individual to serve as an Agile Scrum team member providing software... Read More

  • Cloud Engineer 3 - 19204

    Huntington Ingalls Industries • Saint Louis, MO 63112
    Requisition Number: 19204 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Security Clearance: TS/SCI Level of... Read More

  • Senior Software Engineer, Backend Services

    Anheuser-Busch • Saint Louis, MO 63112
    Dreaming big is in our DNA. It's who we are as a company. It's our culture. It's our heritage. And more than ever, it's our future.... Read More

  • Software Engineer-Express Scripts-Hybrid

    The Cigna Group • Saint Louis, MO 63112
    Job Description: Software Engineer: Small, close knit engineering team seeks new engineer to join our ranks. Every day, we support... Read More

  • Java Developer lll

    Old Dominion Freight Line • Saint Louis, MO 63112
    Are you someone who never rests on their laurels, always strives to go above and beyond, and is committed to keeping your PROMISES?... Read More

  • Sr. Software Engineer (Full-Stack)

    Ascension Health • Saint Louis, MO 63112
    Details Department: Clinical Experience Schedule: Monday - Friday, 8 hour shift Location: Fully remote Benefits Paid time off (PTO)... Read More

  • Full Stack Web Developer

    CACI International • Saint Louis, MO 63112
    Full Stack Web Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with... Read More

  • Senior Agile Software Engineer (C#/.NET/AWS)

    Copeland • Saint Louis, MO 63112
    Description Copeland is looking for a Senior Agile Software Engineer working on our flagship Health Care environmental monitoring... Read More

  • Systems Integration Engineer

    General Dynamics Information Technology • Saint Louis, MO 63112
    Req ID: RQ173130 Type of Requisition: Regular Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Job Family:... Read More

  • Principal Network Engineer (z/OS Mainframe Network Systems)

    U.S. Bank • Saint Louis, MO 63112
    At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial... Read More

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