• Sr . Principal Control

    Republic Services (Phoenix, AZ)
    **POSITION SUMMARY:** The Sr Principal Control Systems Engineer plays a critical role in optimizing automation, infrastructure design, controls, and ... hardware, software, systems , processes, and protocols. The Sr Principal Control Systems...expand our portfolio to 115 projects by 2028. **RECENT RECOGNITION ** + Barron's 100 Most Sustainable Companies + CDP… more
    Republic Services (12/31/25)
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  • Sr . Principal Systems

    RTX Corporation (Tucson, AZ)
    …Effectors PG&C Center is currently hiring for a ** Sr . Principal Systems Engineer - Missile Guidance, Navigation, & Control Engineer** position in Tucson, ... of the portfolio of current and upcoming missile programs. As a ** Sr . Principal Systems Engineer - Missile Guidance, Navigation, & Control Engineer** ,… more
    RTX Corporation (12/17/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Chandler, AZ)
    …today. Northrop Grumman's **Space Systems Algorithms Group** is hiring for a ** Principal / Sr Principal Guidance, Navigation, and Control (GNC) ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...the Principal Engineer GNC Level 3 or Sr Principal GNC Level 4.** **Basic Qualifications**… more
    Northrop Grumman (12/23/25)
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  • Sr Principal Engineer Electrical

    Northrop Grumman (Mesa, AZ)
    …team. In this role you will design, test, and troubleshoot electrical equipment and control systems for complex aerospace and defense projects. You will work in ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...the Role:** We are seeking a self-motivated and innovative Sr . Principal Electrical Engineer to join our… more
    Northrop Grumman (11/18/25)
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  • Sr . Principal Embedded Real-time…

    RTX Corporation (Tucson, AZ)
    …that takes pride in the company and consistently delivers superior solutions. Our Senior Principal Embedded Real-time Software Engineer is a technical position ... applications, including integration and test on missiles, launchers, radars, naval systems , fire control and other complex systems . Our precision software… more
    RTX Corporation (12/24/25)
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  • Sr . Principal Software Engineer

    Oracle (Phoenix, AZ)
    …this exciting journey Career Level - IC5 **Responsibilities** We are seeking hands-on Senior Principal Member of Technical Staff Engineers that share our passion ... solutions to provide outstanding patient experience. The platform and control plane build foundational building blocks that make up...and excitement of operating distributed systems at hyper scale using cloud native best practices.… more
    Oracle (12/20/25)
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  • Sr Principal Physical Security…

    Oracle (Phoenix, AZ)
    …Competency: + Expertise in design and integration of physical security systems , including access control , video surveillance, intrusion detection, mantraps, ... **Job Description** The Senior Physical Security Design Engineer is responsible for...documents, system schematics, and technical specifications for physical security systems . + Skilled in the preparation of clear, comprehensive… more
    Oracle (12/12/25)
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  • Sr . Principal Software Engineer…

    Oracle (Phoenix, AZ)
    …cloud service software engineering: networking, high scale distributed systems , virtualized infrastructure, identity, security, observability, and user experience. ... looking for dual-stack Software/Network Development Engineers with experience in building control plane components for public cloud services. You have experience… more
    Oracle (12/10/25)
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  • Sr . Principal Software Developer

    Oracle (Phoenix, AZ)
    …architectural decisions and customer-first design. **Responsibilities** Responsibilities This is a senior technical leadership position, and we expect you to think ... * Exceptional knowledge and experience with OCI and the control plane * Proficiency in shell scripting (Linux shell...and principles * Skills in debugging and testing complex systems * Excellent verbal and written communication skills. Preferred… more
    Oracle (12/24/25)
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  • Sr Principal Software Engineer,…

    Oracle (Phoenix, AZ)
    …storage access. If you thrive at the intersection of large-scale distributed systems , high-speed networking, and AI workloads, this role offers the opportunity to ... tail behavior. + Collaborate with GPU platform, storage, database, and control -plane teams to deliver end-to-end solutions and influence OCI-wide network… more
    Oracle (12/20/25)
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  • Sr Principal Mech Engr, Harness…

    RTX Corporation (Tucson, AZ)
    …meaningful problems that create a safer, more secure world.​ ​The Precision Control Actuation System department is seeking a mechanical design engineer to join ... Interconnect organization to support the development, build, and verification of harnessing systems . The PCAS organization staffs engineers for a variety of roles… more
    RTX Corporation (12/09/25)
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  • Sr / Principal Front End Developer…

    Oracle (Phoenix, AZ)
    …prototypes to production-ready interfaces + Contribute to design systems , component libraries, and documentation **Responsibilities** **Required qualifications** + ... + Build and tooling: Webpack, npm/yarn; Git and distributed source control + Performance optimization (bundle splitting, code-splitting, lazy loading) and security… more
    Oracle (11/25/25)
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  • Sr Buyer

    Republic Services (Phoenix, AZ)
    **POSITION SUMMARY:** The Sr Buyer role utilizes creativity, resourcefulness, and ingenuity to support the procurement and supply chain function through research, ... to procurement programs and initiatives as well as supplier management activities. ** PRINCIPAL RESPONSIBILITIES:** + Works with Finance partners to develop draft and… more
    Republic Services (12/11/25)
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  • Senior Principal NetSuite Consultant…

    Oracle (Phoenix, AZ)
    …challenge you with a complex array of modules, customizations, and integrations. The Senior Principal Consultant will join a cross-functional team focused on ... in support of our customer's customer experience and operational objectives. The Senior Principal Consultant will review customer software purchase objectives… more
    Oracle (11/25/25)
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  • Senior Principal Applied Scientist

    Oracle (Phoenix, AZ)
    …learning on all kinds of unstructured data. + 5+ (for Senior ), 7+ (for Principal ), 10+ (for Sr Principal ) years of work experience including a minimum ... that their data are safe and protected. Your Opportunity We are seeking a Senior Principal Applied Scientist to spearhead Generative AI and Agent use cases… more
    Oracle (11/25/25)
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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 depth ... of hardware/data center infrastructure issues. + Working knowledge of HVAC systems , control development, and building automations + Problem-solving, debug,… more
    Oracle (11/25/25)
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  • Senior Principal Thermal Engineer

    Oracle (Phoenix, AZ)
    **Job Description** As a Senior Principal Thermal Engineer, you will focus on the alignment of OCI thermal hardware design with specific experience in Rack ... Collaborate with firmware and controls engineering teams to create robust thermal control and monitoring systems . + Conduct design/debug investigations and… more
    Oracle (11/25/25)
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  • Senior Principal Hardware Design…

    RTX Corporation (Tucson, AZ)
    …world. Engineering Sustainment & Quality Assurance is seeking a results-oriented ** Senior ** ** Principal Hardware Design Quality Engineer** within our Advanced ... successful candidate demonstrates expert technical judgement, clear communication with senior stakeholders, and effective partnership with Engineering, Operations, and… more
    RTX Corporation (11/13/25)
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  • Senior Principal Software Developer

    Oracle (Phoenix, AZ)
    …We are looking for passionate and experienced engineer to join us as a ** Senior Principal Software Developer** . In this role, you'll have the opportunity ... **Job Description** The OCI **Virtual Networking Control Plane team** builds and operates the core...that momentum. If you thrive on solving complex distributed systems challenges and want to influence the direction of… more
    Oracle (11/25/25)
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  • Senior Principal RF Cross Product…

    RTX Corporation (Tucson, AZ)
    …create a safer, more secure world. The Effector RF Products department is seeking **a Senior Principal RF Engineer** to serve as the Cross Product Team Engineer ... within the program, ensuring seamless integration and alignment across all RF systems on the product. You will work closely with various engineering disciplines,… more
    RTX Corporation (10/22/25)
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