• Senior Principal Software

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Ethoca, a ... Mastercard company, seeking a Senior Principal Software Engineer to provide technical leadership, architectural direction, and hands-on expertise in… more
    Mastercard (10/09/25)
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  • Senior Principal Software

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Mastercard's ... Business & Market Insights (B&MI) is seeking a Senior Principal Software Engineer to lead the design and development of advanced software solutions… more
    Mastercard (10/16/25)
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  • Principal OR Senior Principal

    Northrop Grumman (MO)
    …Northrop Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and Communications** to ... of Comms and Networks equipment to include radio terminals, software loads, switches, routers, and firewalls required to support...Engineer - Network and Communications level or the Senior Principal Field Service Engineer more
    Northrop Grumman (11/24/25)
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  • AI Sustaining Engineer Principal

    Prime Therapeutics (Jefferson City, MO)
    …our passion and drives every decision we make. **Job Posting Title** AI Sustaining Engineer Principal - AI Center of Excellence - Remote **Job Description** ... **The Principal Artificial Intelligence (AI) Engineer is responsible...AI solutions to drive significant business impact + Influence senior leadership in the organization on the direction and… more
    Prime Therapeutics (10/14/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (MO)
    …support from Northrop Grumman Responsible Engineering/Development/Test Engineering teams. **Sr. Principal System Test Engineer responsibilities include:** + ... has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join...matter expert, providing training on the system hardware and software , as well as supporting the sailors in the… more
    Northrop Grumman (11/24/25)
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  • Principal Engineer , Developer…

    General Motors (Jefferson City, MO)
    …that matter most in their domain. **The Role** We are looking for a Principal Engineer with an extensive engineering background, experience using a variety of ... of the business, our users, and the growth of our engineers. This engineer will start delivering impact through observability frameworks and will evolve depending on… more
    General Motors (10/31/25)
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  • Principal Cybersecurity Engineer

    Leonardo DRS, Inc. (Bridgeton, MO)
    …St. Louis area. **Job Summary** Leonardo DRS is seeking a full time Principal Cybersecurity Engineer for our Bridgeton, MO facility. The selected candidate ... and risk management of IT systems embedded within tactical vehicles. This senior technical role will be critical in ensuring the confidentiality, integrity, and… more
    Leonardo DRS, Inc. (11/22/25)
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  • Principal Engineer , Security…

    Confluent (Jefferson City, MO)
    …One Confluent. One Team. One Data Streaming Platform. **About the Role:** As a Principal Engineer of Confluent's Security Platform, you will work closely with ... Cloud (including Kafka, Flink, Connect and more). As a senior technical leader, you think strategically and help drive...Bring:** + 15+ years of experience in delivering scalable software solutions + Proven track record of leading the… more
    Confluent (10/30/25)
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  • Senior Software Engineer

    UNUM (Jefferson City, MO)
    …changing, and we're excited about what's next. Join us. **General Summary:** Unum is hiring a Senior Full Stack Software Engineer ! As a key member of our ... software deliverables using established standards and tools. + Collaborates with Principal Software Engineers and architects on coding standards, processes,… more
    UNUM (11/15/25)
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  • Principal / SR Principal

    Boehringer Ingelheim (St. Joseph, MO)
    …may be functional area specific or cross functional in nature. **Responsibilities** ** SENIOR PRINCIPAL ** Responsible for design management for MBR design ... to identify, define and implement process improvements. Travel requirement of 30%. ** SENIOR PRINCIPAL :** Bachelor's degree in a STEM field, Business or… more
    Boehringer Ingelheim (11/18/25)
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