• Raytheon (Gardena, CA)
    …integration, and system interconnects. We are currently seeking a motivated and driven Principal Mechanical Engineer to join our Ground Equipment Design Team. ... reviews, and conduct trade studies to enable sound technical decision-making. Apply mechanical engineering knowledge to solve problems and support hardware… more
    JobLookup XML (12/29/25)
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  • Principal , Healthcare Mechanical

    Stantec (Los Angeles, CA)
    …design. Join us and design your place with Stantec. Your Opportunity As a Principal , Healthcare Mechanical Engineering , one must bring deep knowledge and ... practice in the Los Angeles area. - Interface regularly with additional architectural, mechanical engineering and electrical engineering leaders in US West… more
    Stantec (12/03/25)
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  • Principal Engineer NDT/ Sr.…

    Northrop Grumman (El Segundo, CA)
    …product quality at lowest cost. ** Principal NDT Engineer** + BS in Mechanical Engineering , Electrical Engineering , Physics, or related STEM field with ... is a pre-requisite) **Sr. Principal NDT Engineer** + BS in Mechanical Engineering , Electrical Engineering , Physics, or related STEM field with 8 years'… more
    Northrop Grumman (10/24/25)
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  • Principal Mechanical Engineer…

    Leonardo DRS, Inc. (Cypress, CA)
    …systems for surveillance and targeting applications. We are seeking a highly motivated Principal Mechanical Engineer with a strong background in thermal analysis ... cost, and schedule inputs + Mentor junior engineers to enhance the mechanical engineering group's capabilities + Support, communicate, reinforce and defend… more
    Leonardo DRS, Inc. (11/20/25)
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  • Design Principal - Strategic Market…

    Legence (Long Beach, CA)
    …Diego, Los Angeles, and San Jose. We are seeking a visionary **Design Principal ** to lead engineering excellence, support strategic growth initiatives, and help ... in-office, 2 days remote **Career Level:** Senior Leadership **Key Responsibilities** ** Engineering Leadership** + Serve as Principal -in-Charge and Project… more
    Legence (12/15/25)
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  • Principal / Sr. Principal

    Northrop Grumman (El Segundo, CA)
    Principal Reliability Systems Engineer:** + Bachelor of Science degree in Electrical Engineering , Mechanical Engineering , Aerospace Engineering , or ... Principal Reliability Systems Engineer:** + Bachelor of Science degree in Electrical Engineering , Mechanical Engineering , Aerospace Engineering , or… more
    Northrop Grumman (12/23/25)
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  • Principal Test Conductor

    Northrop Grumman (Redondo Beach, CA)
    …with other Test Conductors, as well as various disciplines including SV Engineering , Electrical / Mechanical Engineering , Measurements Engineering , ... engineering tests and serve as a liaison between mechanical /electrical operations and the program, engineering and...to documented procedures in conjunction with Test and Quality Engineering . The Principal Test Conductor will lead… more
    Northrop Grumman (11/13/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Los Angeles, CA)
    … Level or a Sr. Principal Level. **Basic Qualifications for a Principal Reliability Engineer:** + BS in Electrical Engineering , Aerospace Engineering ... onsite at the Woodland Hills, CA facility **Basic Qualifications for a Sr Principal Reliability Engineer:** + BS in Electrical Engineering , Aerospace … more
    Northrop Grumman (12/16/25)
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  • Principal Engineer, Standards and Design

    MetroLink (Los Angeles, CA)
    Principal Engineer, Standards and Design Print (https://www.governmentjobs.com/careers/scrra/jobs/newprint/5114820) Apply  Principal Engineer, Standards and ... of the METROLINK Commuter Rail System, is seeking a Principal Engineer, Design and Standards, who will support the...forward for further agency review. + Perform and/or review engineering work, highly specialized design, research, and analysis. +… more
    MetroLink (10/16/25)
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  • Senior Principal Automation Engineer (Cvrm)

    Genentech (Los Angeles, CA)
    …to 30% of the time is expected during the project phase. Senior Principal Automation Engineer (Department: ITOT/Automation Engineering - Leadership Role) will be ... result of troubleshooting. **Who You Are** + Bachelor's or Master's degree in Engineering (Chemical, Mechanical , Electrical, or Computer Science preferred) and 8… more
    Genentech (10/25/25)
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  • Principal and Sr. Principal

    Northrop Grumman (El Segundo, CA)
    …Balance the optimization of stealth properties with requirements from other engineering disciplines and ensure compliance with survivability requirements during the ... aircraft systems and Low Observable (LO) experience. **Basic Qualifications** + ** Principal Survivability Engineer (Level 3) -** Bachelor's Degree in a Science,… more
    Northrop Grumman (10/08/25)
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  • Principal /Senior Principal Engineer…

    Northrop Grumman (Manhattan Beach, CA)
    …only part of history, they're making history. **Position Description** The ** Principal /Senior Principal MMIC Design Engineer** position supports Northrop ... and responsibilities is required, supporting RF design, device modelling, mechanical design, design for manufacturability, and business development. The ability… more
    Northrop Grumman (12/13/25)
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  • Systems Engineer/ Principal Systems…

    Northrop Grumman (Los Angeles, CA)
    …cover all aspects of both performance and nonperformance including mechanical interfaces, electrical interfaces, data requirements, environmental requirements, and ... be filled at either an Engineer Systems level or Principal Engineer Systems Level._ Basic Qualifications - Engineer Systems:...of Science degree in a STEM discipline (Science, Technology, Engineering , Math) with 2+ years of engineering more
    Northrop Grumman (12/18/25)
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  • Managing Principal Engineer - MEP Design…

    Southland Industries (Garden Grove, CA)
    …Ensures engineering standards are maintained and followed + Act as the Mechanical Engineering expert for the division, which also includes: + Providing ... **Position Summary** As a Managing Principal Engineer, you will manage, coordinate, and lead...Office Products, such as Excel + Four-year degree in Mechanical Engineering or related field required, MS… more
    Southland Industries (12/01/25)
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  • Principal Engineer Metrology

    Northrop Grumman (Los Angeles, CA)
    …between engineering and metrology technicians. **Basic Qualifications for the Principal Metrology Engineer:** + Bachelor's degree in STEM (Science, Technology, ... they're making history. Northrop Grumman Mission Systems is looking for a ** Principal Metrology Engineer** located in **Woodland Hills, CA** **.** **What you'll get… more
    Northrop Grumman (12/03/25)
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  • Principal R&D Engineer

    Envista Holdings Corporation (Orange, CA)
    …to perform the essential functions.** **Education and Experience:** + Bachelor's degree in Mechanical Engineering or a related field with minimum of 6 years ... **Job Description:** We're seeking a visionary ** Principal R&D Engineer** to lead the design and...relevant work experience OR Master's degree in Mechanical Engineering or a related field with… more
    Envista Holdings Corporation (12/06/25)
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  • Senior Mechanical Engineer - Wastewater

    Parsons Corporation (Fountain Valley, CA)
    …your talent and redefine what's possible. **Job Description:** **Join Our Team: Principal Mechanical Engineer - Water Group** _Location: Pasadena, CA (with ... Water Group in Pasadena, CA, is seeking a dynamic ** Principal Mechanical Engineer** to lead and innovate...standards, including Cal OSHA regulations. + Bachelor's degree in Mechanical Engineering . + Licensed Mechanical more
    Parsons Corporation (11/07/25)
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  • Principal Technical Program Manager

    Mercury Systems (Torrance, CA)
    …execution. + Integrate and coordinate activities of functional teams, including Hardware Engineering , Mechanical Engineering , Software Engineering , ... The IPS BU has a great opportunity for a Principal Technical Project Manager (TPM) who will work closely...the program manager (PM) to manage all technical / engineering execution on one or more related programs through… more
    Mercury Systems (12/06/25)
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  • Principal Engineer

    Carollo Engineers (Los Angeles, CA)
    **Overview** Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water ... and wastewater facilities. We are seeking a Principal Engineer to provide design management, project management, and client service supportto our clients within the… more
    Carollo Engineers (11/18/25)
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  • Healthcare Principal

    Arup (Los Angeles, CA)
    …+ Manage Profit/Loss across your projects + Project Directorship as the Principal in Charge of our major healthcare projects, representing the firm, establishing ... this role right for you?** + 20 or more years of experience within Engineering Consulting within the Healthcare Sector in the United States + Professional … more
    Arup (11/22/25)
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