• Principal Software Engineer

    Comcast (Chicago, IL)
    …insert advertisements around the world. **Job Summary** FreeWheel is looking for a Principal Engineer , Software Engineering to join our Freewheel ... FreeWheel Buyer Cloud, and most recently, Universal Ads. The Principal Engineer is responsible for defining the...experience. + **15+ years of experience** as a hands-on software engineer , with a deep focus on… more
    Comcast (11/23/25)
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  • Software / Principal Software

    Northrop Grumman (Rolling Meadows, IL)
    …advantage to the warfighter. Come be a part of our mission! As a Software Engineer / Principal Software Engineer at Northrop Grumman you will have a ... with additional customer specified clearance prior to start. **Basic Qualifications for Principal Embedded Software Engineer :** + Bachelor's degree in… more
    Northrop Grumman (10/28/25)
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  • Principal Software Engineer

    Constellation (Chicago, IL)
    …benefits package that includes bonus and 401(k). **PRIMARY PURPOSE OF POSITION** A Principal Software Engineer is a hands-on subject matter expert ... environment and has strong knowledge of varying domains. This Principal Engineer has strong technology skills (Java, Python , Data Structures, algorithms… more
    Constellation (11/15/25)
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  • Principal Software Engineer

    Caterpillar, Inc. (Chicago, IL)
    …technologies-this is your opportunity to make a meaningful impact. **Job Summary:** Principal Software Engineer will provide strategic leadership in ... work collaboratively with other engineering teams to ensure cross-functional goals are met. Principal Software Engineer will provide strategic leadership for… more
    Caterpillar, Inc. (11/19/25)
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  • Principal /Sr. Principal Systems…

    Northrop Grumman (Rolling Meadows, IL)
    …provides complex avionics systems in Targeting, EOIR, and RF technology areas. Principal Engineer Systems opportunities are available in the following discipline ... Northrop Grumman Mission Systems (NGMS) seeks to fill a Principal /Sr. Principal Systems Engineer in...simulations. A primary task for a modeling and simulations engineer is software development of in-house models… more
    Northrop Grumman (10/15/25)
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  • Principal /Sr. Principal Algorithm…

    Northrop Grumman (Rolling Meadows, IL)
    …RF technology areas. The Targeting organization is offering an excellent opportunity for a Principal Systems Engineer or a Sr. Principal Systems Engineer ... complex models and simulations. A primary task for an engineer doing modeling and simulation is software ...The candidate should have coding experience and proficiency in software languages such as MATLAB and Python .… more
    Northrop Grumman (10/28/25)
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  • Integration and Test Engineer

    Northrop Grumman (Rolling Meadows, IL)
    …a part of this team, we would invite you to apply. As an Integration & Test Engineer / Principal Integration & Test Engineer at Northrop Grumman, you will ... conduct integration testing and evaluate complex electronics systems from hardware/ software design through aircraft installation to ensure that the...position can be filled at the Integration & Test Engineer or Principal Integration & Test … more
    Northrop Grumman (10/28/25)
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  • Principal Cloud Engineer

    The Hertz Corporation (Chicago, IL)
    **A Day in the Life:** Principal Cloud Platform engineer role is responsible to create strategic Cloud Platforms with empowered teams and adaptive mindsets. You ... implementation, documentation and support + You will design and engineer Government cloud platforms using Infrastructure-as-Code, GitOps, and containerization with… more
    The Hertz Corporation (11/07/25)
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  • Principal Engineer - Global Dining

    American Express (Chicago, IL)
    …dining experiences worldwide. How will you make an impact in this role? As the Principal Engineer for Global Dining, you will be the most senior technical leader ... data-intensive services. + Strong coding background in Java or Python , with modern frameworks and tools. Leadership & Strategic... engineering, with at least 3 years as a Principal Engineer / Distinguished Engineer more
    American Express (11/22/25)
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  • Principal AI/ML Engineer

    Abbott (Chicago, IL)
    …more than 500,000 people with diabetes from routine fingersticks. What You'll Do The Principal ML Engineer will work from our Chicago, Willis Tower office within ... with algorithm scientists, translating innovative concepts into reliable, production-ready software . + Implement robust CI/CD workflows for ML models, including… more
    Abbott (08/26/25)
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  • Sr Principal Integration and Test…

    Northrop Grumman (Rolling Meadows, IL)
    …will conduct integration testing and evaluate complex electronics systems from hardware/ software design through aircraft installation to ensure that the systems we ... and work well. Responsibilities for an Integration & Test Engineer may include generation of test plans, test procedures,...oversight or direction + Advanced troubleshooting of hardware and software issues + Ability to obtain and maintain a… more
    Northrop Grumman (10/28/25)
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  • Principal QA Engineer - AI Testing…

    BUNZL (Romeoville, IL)
    …in computer science or related field + 8+ years of QA or SDET ( software development, engineer and test) experience with strong **automation and coding skills** ... + Solid programming experience in **JavaScript, Python , or Java** (with knowledge of .NET a plus) + Hands-on experience in **TDD (test driven development)** , **unit… more
    BUNZL (11/18/25)
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  • Software Engineer II

    CH Robinson (Chicago, IL)
    CH Robinson is seeking a Software Engineer on our Bots & Quoting Automation team where you will support customer quoting automation including API integrations, ... the future. **Responsibilities:** * Partner with product managers and principal software engineers to translate requirements into...apply to our team's work * Write clean, maintainable Python and JS code * Participate in AGILE/SCRUM process… more
    CH Robinson (11/04/25)
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  • Principal Architect

    United Airlines (Chicago, IL)
    …define tomorrow, together. **Description** **Job overview and responsibilities:** The Principal Architect will be responsible for leading the architectural design ... and **observability tools** ( **Dynatrace** , DataDog, Splunk) to ensure efficient software delivery and application reliability + Conduct research and develop Proof… more
    United Airlines (11/01/25)
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