• Operating Engineer

    Cushman & Wakefield (O'Fallon, MO)
    **Job Title** Operating Engineer **Job Description Summary** Responsible to ensure the efficient operation and maintenance of mechanical, electrical and plumbing ... clear of obstructions and debris * Check for properly operating emergency exit signs and lights and ensure free...EXPERIENCE:** * 5+ years of related work experience in operating mechanical, electrical, and plumbing systems in a commercial… more
    Cushman & Wakefield (11/08/25)
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  • Mechanical Operating Engineer (Night…

    Insight Global (O Fallon, MO)
    …Description A client of Insight Global is looking for a night shift Mechanical Operating Engineer . This person will be responsible for the efficient operation ... chillers, pumps, cooling towers, and air distribution systems. The engineer monitors and adjusts mechanical/pneumatic equipment, performs repairs, and ensures… more
    Insight Global (12/02/25)
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  • Application Support Engineer (Onsite)

    BAE Systems (Arnold, MO)
    …resources located at other facilities. This position requires strong linux operating system experience. The Application Support Engineer is responsible ... **Job Description** The Application Support Engineer will be part of an integrated Operations...**Preferred Education, Experience, & Skills** + Experience with Linux operating system (Red Hat Enterprise Linux preferable) + Working… more
    BAE Systems (11/15/25)
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  • Software Virtualization Engineer

    General Dynamics Information Technology (Arnold, MO)
    …Yes **Job Description:** Transform technology into opportunity as a Software Virtualization Engineer with GDIT. A career in enterprise IT means connecting and ... GDIT, people are our differentiator. As a Software Virtualization Engineer you will help ensure today is safe and...+ Experience with Windows Desktop (10/11) and Server (2012+) Operating Systems + Utilize scripting and automation tools (eg,… more
    General Dynamics Information Technology (10/28/25)
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  • Industrial Engineer 2

    Sysco (St. Charles, MO)
    **SUMMARY OF JOB PURPOSE:** The **Industrial Engineer II, Supply Chain** will implement and maintain the engineering program across warehouse and delivery operations ... for US and/or International locations. The engineer will work independently or with other engineers through the complete life cycle of engineering projects from… more
    Sysco (11/06/25)
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  • Storage Engineer

    William C Brown Inc (Arnold, MO)
    Storage Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to ... protected by law. Description WCBinc is looking for aStorage Engineer .As a Storage Engineer , you will help...of new storage hardware and software according to standard operating procedures* Oversees the updates to hardware, operating more
    William C Brown Inc (09/17/25)
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  • Embedded Software Engineer / Principal…

    Northrop Grumman (St. Charles, MO)
    …group. This role can be filled as an **Embedded Software Engineer ** or **Principal** **Embedded Software Engineer .** **Basic Qualifications:** **Embedded ... STEM field with 0 years of relevant experience. **Principal** **Embedded Software Engineer ** **:** Bachelors of Science Degree in Electrical Engineering or related… more
    Northrop Grumman (11/06/25)
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  • Associate Electrical Engineer - Substation…

    Black & Veatch (Creve Coeur, MO)
    **Associate Electrical Engineer - Substation** Date: Dec 11, 2025 Location: Creve Coeur, MO, US Company: Black & Veatch Family of Companies **Together, we own our ... team provides complete engineering, procurement, and construction new asset and operating asset services in the following areas: + Substations + Renewables… more
    Black & Veatch (12/13/25)
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  • Sr BizOps Engineer (MQ Admin / DevOps)

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Sr BizOps Engineer (MQ Admin / DevOps) Job Overview: Leads Reactive Systems Architecture ... good working knowledge and understanding of Unix and Windows Operating Systems * Should possess good working knowledge and...upgrades of WebSphere MQ on both Unix and Window Operating Systems * Should be able to administer the… more
    Mastercard (11/27/25)
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  • Sr. Transmission Line Engineer

    LS Power Development, LLC (Chesterfield, MO)
    …us:** Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, ... We are currently looking for a Senior Transmission Line Engineer to join our team in St. Louis, MO....in St. Louis, MO. As the Sr. Transmission Line Engineer , you will support the power delivery development, construction,… more
    LS Power Development, LLC (12/05/25)
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  • Senior Bizops Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Senior Bizops Engineer The Business Operations (Biz Ops) team is seeking a Business ... Operations Site Reliability Engineer (SRE). The role of Business Operations Organization is...thread dumps). o Load balancers and application firewalls. o Operating System navigation. o Logging and monitoring methods, standards,… more
    Mastercard (09/18/25)
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  • Application Support Engineer

    Chenega Corporation (Arnold, MO)
    **Req ID:** 37537 **Summary** **Application Support Engineer ** **Arnold, MO** Are you ready to enhance your skills and build your career in a rapidly evolving ... decades of experience working in the Federal marketplace. The **Application Support Engineer ** will be part of an integrated Operations & Sustainment team providing… more
    Chenega Corporation (12/10/25)
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  • Application Support Engineer (Onsite)

    BAE Systems (Arnold, MO)
    **Job Description** BAE Systems is currently seeking an Application Support Engineer to join our integrated Operations & Sustainment (O&S) team located in our Arnold ... with engineering resources located at other facilities. The Application Support Engineer is responsible for the day-to-day operation of customer application and… more
    BAE Systems (12/03/25)
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  • Mechanical Engineer PE I

    ENFRA (Creve Coeur, MO)
    …any questions, feel free to ask during the interview process! **Overview** **Mechanical Engineer PE I Responsibilities:** The Mechanical Engineer PE I applies ... and Qualifications** + Bachelor's degree in Engineering and Professional Engineer License (PE) + 4-6 years of experience +...that may include the wrists, hands, and/or fingers + Operating machinery and/or power tools + Outdoor elements such… more
    ENFRA (10/24/25)
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  • Environmental Engineer /Scientist

    Ameren (Labadie, MO)
    …full-time employees. ​ About The Position The Environmental Air Quality Engineer /Scientist is responsible for providing environmental support for Ameren Missouri ... operational facilities and assets as needed. The Environmental Air Quality Engineer / Scientist provides environmental expertise and technical oversight, interprets… more
    Ameren (12/13/25)
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  • Project Engineer

    LS Power Development, LLC (Chesterfield, MO)
    …us:** Founded in 1990, LS Power is a premier development, investment, and operating company focused on the North American power and energy infrastructure sector, ... **About the Role** LS Power is seeking a Project Engineer to support the coordination and execution of project...negotiations. This is a great opportunity for an early-career engineer to gain broad exposure to the energy industry… more
    LS Power Development, LLC (11/27/25)
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  • BizOps Engineer II

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** BizOps Engineer II The Business Operations (Biz Ops) team is seeking a Business ... Operations Site Reliability Engineer (SRE). The role of Business Operations Organization is...thread dumps). o Load balancers and application firewalls. o Operating System navigation. o Logging and monitoring methods, standards,… more
    Mastercard (12/13/25)
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  • Senior BizOps Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Senior BizOps Engineer Who is Mastercard? At Mastercard technology, we work to connect and ... (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)/ Operational Readiness Architect. The role of Business Operations Organization… more
    Mastercard (12/11/25)
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  • Senior Software Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the ... focus on our customers. As a Sr Software Development Engineer at Mastercard, you are expected to perform the...(eg, Spring Boot, Angular, others) * Understands internals of operating systems (Windows, Linux) to write interoperable and performant… more
    Mastercard (10/24/25)
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  • Senior AI Security Engineer

    Mastercard (O'Fallon, MO)
    …governments realize their greatest potential._ **Title and Summary** Senior AI Security Engineer Job Description Summary As an Information Security Engineer ... solutions. - Documentation and Reporting: Prepare and document standard operating procedures, protocols, and security reports, including assessment-based findings… more
    Mastercard (10/07/25)
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