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Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience, or an Advanced Degree in a related field and minimum of 6 years of prior relevant experience to include any combination of the following: Experience with antenna design, including concept trades/studies, preliminary and final design, and/or qualification processes. The Effector RF Design department at Raytheon is seeking a highly skilled and innovative Principal Sensor Engineer to serve as a Sensor Calibration Specialist for new advanced technology missile contracts.

Principal RF Sensor and Calibration Specialist

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Execution Leadership & Technical Ownership Independently lead cross‑functional engineering teams including electrical, mechanical, software, and systems in executing the full test‑system lifecycle (design, development, integration, sell‑off). Program Controls & Cross‑Functional Coordination Partner closely with CAMs and PMO/IPT leadership to ensure plans, deliverables, and milestones remain executable and aligned with program objectives.

Test Systems Principal Execution Lead

Under the direction of the Safety Manager support and implement safety programs including, but not limited to, contractor safety, confined spaces, Job Hazard Assessment, electrical safety, lockout/tagout (LOTO), fall protection, machine guarding, powered industrial vehicles, cranes/hoist, training, fire & life safety, and others as assigned by management. Experience accurately diagnosing general and complex EH&S issues related to Raytheon operations, determine appropriate or practical controls, and implement practical and effective solutions in a timely manner.

Principal Specialist - EHS Generalist

The Reno office of SLR provides a full range of professional services on a variety of challenging and unique projects that include geotechnical engineering, earthworks and grading, stormwater design, hydrologic and hydraulic analysis, environmental remediation and construction quality monitoring primarily supporting projects within the mining industry. The selected candidate will work under the supervision of a registered principal engineer and will mentor junior staff while directing their own projects and technical work flows to deliver on; design; analysis; and preparation of specifications, calculations, and technical reports for a wide variety of mining projects.

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SLR Consulting Ltd

Senior Civil Engineer

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Assignments may include guiding a team through several phases of hardware systems lifecycle such as designs and analysis; architecting new electronic systems; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert; presentations to peers, management, and government customers; and the completion of root-cause failure investigations. The EE Technical Lead will provide leadership to guide and support program electrical engineers responsible for CB3+ Air System, Launcher, and ground support hardware subassembly design, Technical Data Package (TDP) maintenance, and production support activities.

Senior Principal Electrical Technical Lead

Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Partner closely with Operations (factory and program) and program Engineering leadership to ensure test capabilities meet production scale, reliability, and compliance requirements.

Principal System Engineer - Test Architect

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Other responsibilities include test support, communicating with Project engineering teams, resource and Client planning, conduction of design reviews, presentations to internal and external customers, ensuring proper documentation of work performed and engaging in department process improvement initiatives. Responsible for the design, development and analysis of static gas turbine engine components, which will involve performing strength, fatigue, containment, heat transfer, and various other types of stress analyses.

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Nesco Resource, LLC

Principal Mechanical Design Engineer

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Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience, or An Advanced Degree in a related field and minimum 7 years experience. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Sr. Principal Low Observable Design & Analysis Engineer

For instructions on how to do this, please click the link below or view the document "How to copy from a Word Document" located on the Taleo Support site under the section titled Quick Reference Guides. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology.

Worley Ltd

Principal Process Engineer

Advanced experience across the Agile software development lifecycle in three or more of the following: C++ data structures and algorithms or C, C++, Python, and/or Object-Oriented Program Languages; integration of real-time software/firmware/hardware; software test equipment maintenance; software requirements definition, Advanced experience including at least two of the following: Embedded Software, Embedded Software Security, Embedded Operating Systems (Linux, RTOS, VxWorks, etc.), Software Architecture Design and Implementation. Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems.

Principal HWIL Software Engineer

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings. Not Required At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems.

Principal Project Engineer IV(Onsite)

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Principal Low Observable Test and Analysis Engineer

The role independently leads complex engineering work, mentors other engineers, supports audit and compliance requirements, and partners with cross-functional teams while escalating enterprise architecture decisions to Principal Engineers or leadership as appropriate. This role is responsible for engineering, supporting, and optimizing secure, reliable endpoint and virtual desktop solutions using AVD, Nerdio, Intune, MECM, Active Directory, Entra ID, Group Policy, and related technologies.

ClifyX, INC

Endpoint Engineering Staff Engineer II

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Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

Principle Simulation Systems Engineer Onsite

Joining the Digital Solutions Chapter means working in a highly transversal software environment, giving you the opportunity to engage with cutting-edge technologies and diverse programming languages for both on-premise and cloud-based software. You act as a senior technical expert for case resolution, using your ability to read and understand complex source code to identify the root cause/causal factor of software malfunctions.

Hoffmann-La Roche Ltd

Senior Software Engineer - Post Market Quality

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The candidate will assess elastomer materials based on design requirements, conformance to specifications, or by conducting root cause failure analysis leveraging knowledge of a variety of chemical analysis techniques and elastomer subject matter expertise. Tasks will require quick-turn analysis while collaborating with a multi-discipline team, requiring careful attention to detail and an ability to tailor analysis methods and output to match customer needs and timelines.

Principal Multi-Discipline Engineer

The Lead Engineer is responsible for leading the team that plans and executes Obsolescence Validation programs including requirements development, hardware / software integration, and formal qualification testing (FQT) as needed to qualify obsolescence redesign of Circuit Card Assemblies (CCAs) and other missile components. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, Chief Engineers, Chief Technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!

Principal Systems Engineer - SM-3 Development & Obsolescence Lead (Onsite)

Technical ownership and execution of tasks, and may be viewed as a prime technical contact in providing solutions to a wide range of complex technical problems related to the design, manufacture, integration, and production sustainment of various mechanical sub-systems both in the engineering lab and the factory floor both at Raytheon Technologies and at suppliers. The Hardware Engineering, Air Launched Effectors Department is seeking Mechanical Engineers for our Tucson AZ site supporting full program life cycle, early development, production support, and legacy sustainment activities across the Air Launched Effectors products and subsystems.

Sr. Mechanical Engineer - ALE

Assignments may include guiding a team through several phases of hardware systems lifecycle such as designs and analysis; architecting new electronic systems; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert; presentations to peers, management, and government customers; and root-cause failure investigations. The Flight Avionics Department is searching for an Electrical Subsystems GS Technical Lead with experience leading large complex teams, conducting trade studies, defining interfaces in multiple domains (Hardware and Software), and materializing conceptual designs that integrate into a system of systems.

Senior Principal Guidance Section (GS) Technical Lead

Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience to include any combination of the following: Experience with testing of antennas or radomes in a chamber or test range. Work with interdisciplinary engineering teams including thermal, structural, mechanical, systems, etc. to define, analyze, simulate, implement, and evaluate requirements for ranges and/or chambers, including relevant test equipment.

Principal Engineer Jobs in Arizona

Principal RF Sensor and Calibration Specialist RTX

Test Systems Principal Execution Lead RTX

Principal Specialist - EHS Generalist RTX

Senior Civil Engineer SLR Consulting Ltd

Senior Principal Electrical Technical Lead RTX

Principal System Engineer - Test Architect RTX

Principal Mechanical Design Engineer Nesco Resource, LLC

Sr. Principal Low Observable Design & Analysis Engineer RTX

Principal Process Engineer Worley Ltd

Principal HWIL Software Engineer RTX

Principal Project Engineer IV(Onsite) RTX

Principal Low Observable Test and Analysis Engineer RTX

Endpoint Engineering Staff Engineer II ClifyX, INC

Principle Simulation Systems Engineer Onsite RTX

Senior Software Engineer - Post Market Quality Hoffmann-La Roche Ltd

Principal Multi-Discipline Engineer RTX

Principal Systems Engineer - SM-3 Development & Obsolescence Lead (Onsite) RTX

Sr. Mechanical Engineer - ALE RTX

Senior Principal Guidance Section (GS) Technical Lead RTX

Principal RF Sensor Design Specialist RTX

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