• Senior Principal Engineer

    RTX Corporation (Tucson, AZ)
    …initiation safety systems technology. The department is seeking to hire a Senior Principal Engineer - Solid Propulsion. This position is on-site located ... in Tucson, Arizona. **What You Will Do:** In this Senior Principal Engineer - Solid Propulsion role you will be responsible for supporting and applying… more
    RTX Corporation (12/11/25)
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  • Senior Principal Engineer

    RTX Corporation (Tucson, AZ)
    …all other weapon initiation safety systems technology. The department is seeking to hire a Principal Engineer - Solid Propulsion. **What you will do:** + ... associated with the development and implementation of operational missile programs **The Principal Engineer - Solid Propulsion job is in Tucson, AZ and… more
    RTX Corporation (01/13/26)
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  • Senior Principal Software…

    Oracle (Phoenix, AZ)
    …innovation, exploring the next generation of AI accelerators and hardware solutions. As a Senior Principal software engineer , part of our growing team, you ... a highly driven GPU platform software & system development engineer at the Principal Engineer ...deep learning applications. Career Level - IC5 **Responsibilities** Our Senior Principal engineers are also the people… more
    Oracle (11/25/25)
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  • Senior Principal Software…

    Oracle (Phoenix, AZ)
    **Job Description** Oracle's Forward Deployed Engineer (FDE) team is hiring a Senior Principal Software Development Engineer - AI Data Platform to help ... OCI Gen AI Services and model lifecycle workflows. + Solid Python and REST API skills. + Exposure to...Manage and optimize large-scale databases. + Must have a solid understanding of networking concepts to design and optimize… more
    Oracle (01/11/26)
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  • Senior Principal Data Center…

    Oracle (Phoenix, AZ)
    **Job Description** As a Senior Principal Data Center Engineer , you will focus on OCI data center mechanical infrastructure. A mix of technical breadth and ... efforts + Problem-solving, debug, and failure analysis skills with a solid understanding of core engineering principles and analytical techniques. +… more
    Oracle (11/25/25)
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  • Senior Principal Mechanical…

    RTX Corporation (Tucson, AZ)
    …ensure cost effective yet technically balanced solutions. Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical ... and correlation + Experience with dynamic shock and vibration analysis + Experience with solid modeling CAD tool such as CREO or equivalent + Experience with MATLAB… more
    RTX Corporation (12/16/25)
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  • Senior Principal Software…

    Oracle (Phoenix, AZ)
    …Weaviate). + Familiarity with OCI Gen AI Services and model lifecycle workflows. + Solid Python and REST API skills. + Exposure to building autonomous agents and ... architectures. + Manage and optimize large-scale databases. + Must have a solid understanding of networking concepts to design and optimize data transmission… more
    Oracle (11/26/25)
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  • Senior Principal Systems Software…

    Oracle (Phoenix, AZ)
    …to write great code using Java, GoLang, C#, C++, Python, etc + Solid understanding of networking (TCP/IP, Infiniband, RoCE, etc) + Experience with operating system ... and system software + Knowledge of CPU, GPU architectures, memory coherence and consistency models + Hands-on coding- Ability to write efficient, production-quality code and debug complex distributed systems. + Experience with processor and system-level… more
    Oracle (11/25/25)
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  • Principal Software Engineer - 4

    Oracle (Phoenix, AZ)
    …Cloud Infrastructure's Object Storage Service team is looking for a very hands-on, senior engineer with the expertise and passion in solving difficult problems ... **Job Description** ** Principal Member of Technical Staff** Req: 275678 Location:...demanding object storage system workloads for our customers. An engineer at any level can have significant technical and… more
    Oracle (11/25/25)
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  • Sr. Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …ensure cost effective yet technically balanced solutions. Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical ... tools) and lead teams to meet program milestones **The Senior Pr. Mechanical Engineer - Structural job...with dynamic shock and vibration analysis + Experience with solid modeling CAD tool such as CREO or equivalent… more
    RTX Corporation (01/07/26)
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  • Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Job Summary: Mercury Systems is seeking a Principal Test Engineer to lead efforts in developing and executing server system ... and external customers, including government agencies as well as present findings to senior leadership and clients + Support the standardization of systems used to… more
    Mercury Systems (01/07/26)
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  • Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …Shipboard Effectors Department is currently searching for an experienced Mechanical Design Engineer to work on a multi-discipline team to support design and upgrades ... of mechanical engineers when required + Interacting frequently with senior personnel, occasionally including external customers, on significant technical matters… more
    RTX Corporation (12/29/25)
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  • Senior Principal Software Developer

    Oracle (Phoenix, AZ)
    **Job Description** As a **Sr. Principal Software Development Engineer ** in the **Oracle Cloud Infrastructure (OCI) Security Platform** division, you will play a ... data structures, algorithms, operating systems, and distributed systems. + Solid understanding of relational databases, NoSQL systems, storage, and distributed… more
    Oracle (11/25/25)
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  • Senior Principal Software Developer

    Oracle (Phoenix, AZ)
    …an exciting opportunity to deliver a new OCI service from scratch and work with senior architects and leaders at OCI. You must be self-motivated engineer with ... system, data-plane level and performance problems. You should be a rock solid developer able to dive deep into low-level systems, design broad distributed… more
    Oracle (12/22/25)
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  • Senior / Principal Member…

    Oracle (Phoenix, AZ)
    …APIs, engineer data models across SQL/NoSQL systems, and deliver rock- solid reliability at scale. From performance tuning and observability to security-by-design ... and automation-first operations, you'll drive the backbone that enables AI-driven, innovative healthcare experiences worldwide **Key responsibilities** + Design and implement microservices and service control-plane components + Build enterprise-grade APIs with… more
    Oracle (11/25/25)
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  • Senior Full Stack Engineer - AI…

    Humana (Phoenix, AZ)
    …KY (Remote & Flexible Work Arrangements Available) **Reporting To** : Principal Engineer , AI Enablement **Organization:** Enterprise Engineering Enablement (AI ... into an AI-enabled enterprise, and we are seeking a Senior Full Stack Engineer to join our...completion. + Proficient in Agile/Scrum methodologies; experience performing lead engineer duties within agile teams. + Solid more
    Humana (01/08/26)
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  • Senior Bridge Engineer

    Stantec (Tucson, AZ)
    …our opportunities will connect you to your career goals. Your Opportunity As the Senior Bridge Engineer , you must be highly engaged with exceptional team ... by providing guidance to other team members - Identify and analyze the principal design features and major design alternatives that satisfy the project's purpose and… more
    Stantec (01/13/26)
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  • Senior Software Engineer -SAP FS-CD…

    USAA (Phoenix, AZ)
    …truly makes us special and impactful. **The Opportunity** We are seeking a dedicated Senior Software Engineer -SAP FS-CD Techno-Functional to play a key role in ... systems. + Experience articulating technical challenges and solutions. + Demonstrate solid understanding of security coding practices and secure system fundamentals.… more
    USAA (01/06/26)
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  • Principal Architect, Cloud Engineering…

    Oracle (Phoenix, AZ)
    **Job Description** Principal Architect, Cloud Engineering - Networking Cloud Engineering is looking for Cloud Architects to provide guidance to our most meaningful ... existing workloads to the cloud. The ideal candidate will have a solid understanding of large-scale networking solutions and enjoys keeping the existing technical… more
    Oracle (12/22/25)
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  • Principal Hydrogeologist

    Republic Services (Phoenix, AZ)
    **POSITION SUMMARY:** The Principal Hydrogeologist is responsible for direction of the groundwater programs for active and closed landfills and management of the ... proposed new and modifications to existing environmental regulations. + Provide senior leadership to Environmental Managers and consultants in preparation of… more
    Republic Services (01/05/26)
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