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.

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AAmerican Honda Motor Co., Inc. logo
Posted 17 OctDirect apply

Principal Modern Endpoint IT Engineer - Microsoft Intune

American Honda Motor Co., Inc. · Motor Vehicle Manufacturing · 2.2k people

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Torrance, California
Hybrid
Full-time
10+ years exp

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.

Microsoft IntuneWindows managementMicrosoft Entra IDApple Business Manager
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VVarda Space Industries logo
Posted 16 OctDirect apply

Principal Guidance, Navigation, and Controls Engineer

Varda Space Industries · Defense and Space Manufacturing · 263 people

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El Segundo, California
On-site
Full-time
10+ years exp
$200K – $230K

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.

Guidance Navigation and ControlC++PythonOrbital Mechanics

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F
Posted 16 OctDirect apply

Principal Simulation Engineer

Freeform · Industrial Automation · 68 people

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Los Angeles, California
On-site
Full-time
10+ years exp
$225K – $300K

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.

Numerical solversPhysics-based modelingCC++
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Posted 16 OctDirect apply

Principal Software Engineer

Freeform · Industrial Automation · 68 people

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Los Angeles, California
On-site
Full-time
10+ years exp
$200K – $400K

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.

CC++RustEdge computing
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MMotorola Solutions logo
Posted 16 OctDirect apply

Principal Systems Integration Engineer

Motorola Solutions · Telecommunications · 29k people

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San Mateo, California
On-site
Full-time
2-5 years exp
$140K – $170K

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.

Electrical EngineeringFirmware DevelopmentC ProgrammingSystem Architecture
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NNorthrop Grumman logo
Posted 16 OctDirect apply

Software Integration and Test Engineer / Principal Software Integration and Test Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Manhattan Beach, California
On-site
Full-time
5-10 years exp
$92K – $171K

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.

Software testingTest automationSystem integrationTroubleshooting
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NNorthrop Grumman logo
Posted 16 OctDirect apply

Principal / Senior Principal Microelectronics Device Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Manhattan Beach, California
On-site
Full-time
5-10 years exp
$114K – $213K

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.

Semiconductor device physicsCompound semiconductorGaNInP
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CCastelion Corporation logo
Posted 15 OctDirect apply

Principal Build Reliability Engineer

Castelion Corporation · Defense and Space Manufacturing · 293 people

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Torrance, California
On-site
Full-time
5-10 years exp

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.

Quality EngineeringManufacturing EngineeringDesign For ManufacturabilityRoot Cause Analysis
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RRTX logo
Posted 15 OctDirect apply

Principal FPGA/ASIC Engineer (Onsite)

RTX · Aviation and Aerospace Component Manufacturing · 143k people

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Fullerton, California
On-site
Full-time
5-10 years exp
$118K – $225K

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.

FPGAASICSystemVerilogUVM
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NNorthrop Grumman logo
Posted 15 OctDirect apply

Navigation Systems Engineer / Principal Navigation Systems Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Los Angeles, California
On-site
Full-time
5-10 years exp
$92K – $171K

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.

Sensor FusionNavigation SystemsInertial Navigation SystemsExtended Kalman Filtering
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NNorthrop Grumman logo
Posted 15 OctDirect apply

Principal / Senior Principal Navigation Systems Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Los Angeles, California
On-site
Full-time
5-10 years exp
$114K – $213K

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.

Sensor FusionNavigation SystemsExtended Kalman FilteringUnscented Kalman Filtering
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BBLUE ORIGIN logo
Posted 15 OctDirect apply

Principal Propulsion Engineer, Blue Thrusters

BLUE ORIGIN · Aviation and Aerospace Component Manufacturing · 13k people

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Los Angeles, California
On-site
Full-time
10+ years exp
$170K – $237K

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.

Propulsion engineeringCombustion devicesInjector designThrust chamber design

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RRTX logo
Posted 15 OctDirect apply

Principal Platform Software Engineer (Onsite)

RTX · Aviation and Aerospace Component Manufacturing · 143k people

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El Segundo, California
On-site
Full-time
5-10 years exp
$118K – $225K

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.

Embedded C/C++Linux OSBashPython
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RRTX logo
Posted 15 OctDirect apply

Senior Principal FPGA/ASIC Engineer (Onsite)

RTX · Aviation and Aerospace Component Manufacturing · 143k people

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Fullerton, California
On-site
Full-time
10+ years exp
$146K – $277K

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.

FPGAASICSystemVerilogUVM
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IInfineon logo
Posted 14 OctDirect apply

Lead Principal Engineer

Infineon · Semiconductor Manufacturing · 45k people

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El Segundo, California
On-site
Full-time
10+ years exp
$178K – $245K

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.

Power electronicsDC-DC converter topologiesMagnetic componentsSemiconductor characteristics
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NNorthrop Grumman logo
Posted 14 OctDirect apply

Electronic Warfare (EW) Engineer/ Principal Electronic Warfare (EW) Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Palmdale, California
On-site
Full-time
2-5 years exp
$92K – $171K

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.

Electronic warfareAirborne payload systemsIntegrated product teamLogistics support
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NNorthrop Grumman logo
Posted 14 OctDirect apply

Principal / Sr. Principal Mechanical Analysis Engineer

Northrop Grumman · Defense and Space Manufacturing · 88k people

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Los Angeles, California
On-site
Full-time
5-10 years exp
$104K – $194K

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.

Mechanical analysisFinite element modelingANSYSStructural analysis
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SSnap Inc. logo
Posted 9 OctDirect apply

Principal Machine Learning Engineer, Platform Integrity Engineering, Level 7

Snap Inc. · Software Development · 7.8k people

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Los Angeles, California
Hybrid
Full-time
10+ years exp
$235K – $414K

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.

Machine learningDeep learningComputer visionNatural language processing

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