Los Angeles, CA
Principal Engineer
Principal Engineer jobs in Los Angeles, CA
$104K – $245K
Typical pay · from 16 of 18 jobs
Updated 2 Nov
About these jobs Northrop Grumman, RTX and Freeform are hiring Principal Engineers in Los Angeles, CA, with typical pay of $114K to $273K. Most roles are onsite and a few are hybrid. Employers ask for 10+ years or 5-10 years of experience, plus technical leadership, root cause analysis and test planning.

Principal Modern Endpoint IT Engineer - Microsoft Intune
American Honda Motor Co., Inc. · Motor Vehicle Manufacturing · 2.2k people
The role involves engineering and managing North America's modern workplace endpoint platforms, including Microsoft Intune, Windows, and virtual desktop solutions. The engineer will serve as the subject matter expert and lead the transition from legacy on-premises management to a cloud-native endpoint model.

Principal Guidance, Navigation, and Controls Engineer
Varda Space Industries · Defense and Space Manufacturing · 263 people
Own the full life cycle of GNC development from design and simulation to flight testing and on-orbit operations. Develop autonomous satellite control algorithms and perform trajectory optimization for space capsule reentry.
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Principal Simulation Engineer
Freeform · Industrial Automation · 68 people
Develop high-performance numerical solvers and physics-based models for advanced metal 3D printing systems. Collaborate with software and control engineers to integrate these models into simulation pipelines and hardware systems.
Principal Software Engineer
Freeform · Industrial Automation · 68 people
Provide architectural leadership for complex, integrated software systems and lead system-level integration and validation efforts. Drive collaboration across electrical, mechanical, and process engineering teams to innovate and implement high-performance software solutions.

Principal Systems Integration Engineer
Motorola Solutions · Telecommunications · 29k people
Define technical requirements for new products and conduct rapid prototyping to validate electrical and firmware architectures. Collaborate with cross-functional teams and international partners to ensure cohesive system design and successful hardware bring-up.

Software Integration and Test Engineer / Principal Software Integration and Test Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
The role involves authoring software test plans, procedures, and reports while executing developmental and acceptance testing. Additionally, the engineer will perform hands-on troubleshooting and collaborate with software development teams to resolve integration issues.

Principal / Senior Principal Microelectronics Device Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
The candidate will lead the development and maturation of novel III-V semiconductor technologies from early research through production. Responsibilities include millimeter wave transistor design, experimental device development, and close collaboration with multidisciplinary engineering teams.

Principal Build Reliability Engineer
Castelion Corporation · Defense and Space Manufacturing · 293 people
The Principal Build Reliability Engineer will evaluate product and process data to drive manufacturing quality improvements and represent quality objectives within design teams. They will lead root cause investigations, manage non-conforming hardware, and develop inspection plans to ensure design intent and reliability.

Principal FPGA/ASIC Engineer (Onsite)
RTX · Aviation and Aerospace Component Manufacturing · 143k people
The candidate will design, implement, and verify high-performance digital ASICs and FPGAs for signal processing and information assurance products. They will also provide technical leadership for project verification teams by planning activities and recommending new tools for the verification flow.

Navigation Systems Engineer / Principal Navigation Systems Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
Analyze navigation performance using laboratory and flight-test data, and communicate status, issues, and results to program management and customers. Collaborate with stakeholders and navigation experts to develop advanced navigation and timing technologies, and present technical ideas to internal and external audiences.

Principal / Senior Principal Navigation Systems Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
Analyze navigation performance using laboratory and flight-test data, and communicate status, issues, and results to program management and customers. Collaborate with internal and external stakeholders to develop advanced navigation and timing technologies, contribute to navigation systems and software, and present technical ideas at conferences and working groups.

Principal Propulsion Engineer, Blue Thrusters
BLUE ORIGIN · Aviation and Aerospace Component Manufacturing · 13k people
You will design, analyze, and develop thruster combustion devices while leading hot-fire test campaigns and investigating anomalies. Additionally, you will mentor engineering staff and collaborate across multidisciplinary teams to ensure thruster performance and reliability.
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Principal Platform Software Engineer (Onsite)
RTX · Aviation and Aerospace Component Manufacturing · 143k people
Design, develop, and maintain customized Linux OS ecosystems, including bootloaders, kernel, and device drivers for embedded hardware. Collaborate with cross-functional teams to integrate advanced technology into mission systems and perform complex hardware-software debugging.

Senior Principal FPGA/ASIC Engineer (Onsite)
RTX · Aviation and Aerospace Component Manufacturing · 143k people
The candidate will design, implement, and verify high-performance digital ASICs and FPGAs for signal processing and information assurance products. They will also provide technical leadership to project verification teams and contribute to engineering estimates for new programs.

Lead Principal Engineer
Infineon · Semiconductor Manufacturing · 45k people
The Lead Principal Engineer will execute system solution roadmaps for AI datacenters and Telecom, focusing on high-density power electronics design and validation. They will also provide technical support, conduct customer-facing trainings, and collaborate with marketing to position Infineon's power solutions.

Electronic Warfare (EW) Engineer/ Principal Electronic Warfare (EW) Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
The engineer will manage deployed electronic warfare assets, coordinate repair and logistics, and provide technical support for pre-test and post-test activities. They are responsible for analyzing test data, troubleshooting hardware and software, and collaborating with engineering and supplier teams to resolve anomalies.

Principal / Sr. Principal Mechanical Analysis Engineer
Northrop Grumman · Defense and Space Manufacturing · 88k people
The candidate will perform structural analysis including static, dynamics, and damage tolerance for military avionics systems using finite element modeling. They will also document test plans, support design reviews, and collaborate with teams to ensure structural substantiation.

Principal Machine Learning Engineer, Platform Integrity Engineering, Level 7
Snap Inc. · Software Development · 7.8k people
Design, implement, and scale machine learning models to protect users from harmful content and ensure regulatory compliance. Collaborate with cross-functional teams and leadership to set ML strategies and improve the organization's technical stack.
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