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330 principal engineer jobs at 82 companies in Escondido, CA

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Principal / Sr Principal Engineer Aeronautical - VMS Hardware Avionics Lead
San Diego or Rancho Bernardo
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOESTEM degree with 5+ yrs (Bachelor); 3 yrs with Master; PhD with no experience for Principal; 8+ yrs for Sr Principal; ability to obtain US Secret clearance; MATLAB; MS Office; avionics hardware experience.
MATLAB, Python, Microsoft Office, Visio
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1mo
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Principal Environmental Engineer
San Diego or Concord or Knoxville or Denver or Norfolk or Canton
$175k-$225k/yr RemoteFull Time
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
15+ YOEMaster's in Environmental Engineering, PE license, 15+ years environmental engineering experience (DoD/CERCLA), leadership experience on federal remediation projects, ability to travel, strong verbal and written communication.
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3mo
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Principal Applications Engineer
Austin or San Jose or San Diego
OnsiteFull Time
NXP Semiconductors
NXP SemiconductorsNASDAQ: NXPI: Designs and manufactures semiconductors for automotive and IoT applications.
12+ YOEBachelor's degree in Electrical/Electronic Engineering; 12+ years hardware design or applications engineering; experience with high-speed SerDes, Ethernet, PCIe, DP/USB; strong SI/PI; hands-on lab skills.
Oscilloscopes, TDR, VNA, BERT, Protocol Analyzers, Logic Analyzers, S-parameter analysis, Eye/Jitter simulations
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1d
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Principal BESS Engineer
Scottsdale or San Diego or San Francisco or Houston or Denver or Princeton
$140k-$195k/yr HybridFull Time
Clearway Energy
Clearway EnergyNYSE: CWEN: Develops and operates utility-scale renewable energy power plants.
8+ YOERequires 8+ years in utility-scale BESS engineering, integration, development, and commissioning; knowledge of electrical, fire safety, interconnection, controls, and utility standards; Excel and Python skills.
Microsoft Excel, Python, TCP/IP, Modbus/TCP, Power Plant Controller, Energy Management Systems (EMS), Battery Management Systems (BMS), SCADA, UL, IEEE, National Electrical Code, NFPA, UL1973, UL9540/A
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
Samtec
Samtec: Manufactures electronic connectors, cables, and optical interconnect solutions.
15+ YOERequires a bachelor's degree in engineering or related field, 15+ years in optoelectronic or microelectronics manufacturing, process development, technology transfer, and automated manufacturing tools.
DOE, FMEA, Six Sigma
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4d
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
Samtec
Samtec: Manufacturer of high-speed electronic connectors and cable assemblies.
15+ YOEBachelor's degree in engineering or materials science and 15+ years in optoelectronic or microelectronics manufacturing, including process development, assembly, technology transfer, and automated tools.
DOE, FMEA, Six Sigma
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4d
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
Samtec
Samtec: Manufactures electronic connectors and high-speed cable assembly systems.
15+ YOEBachelor's degree in engineering or related field, 15+ years in optoelectronic or microelectronics manufacturing, process development, technology transfer, and automated manufacturing tools; US citizenship or green card required.
Design of Experiments (DOE), Failure Mode and Effects Analysis (FMEA), Six Sigma
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2mo
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Systems Engineer Principal - MBSE
San Diego, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEMBSE and systems engineering experience, TS/SCI clearance, ability to coordinate with stakeholders, and strong communication skills.
MBSE, SysML, UPDM, BPMN, UAF, CAMEO Enterprise Architect, Team Work Cloud, Gitlab
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Senior Principal System Engineer
San Diego, California, United States
$193k-$220k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
10+ YOEFour-year degree in computer/electrical/related field plus 12 years' experience or master's plus 10; active DoD security clearance; strong systems engineering, RF and secured comms experience; DOORS/EPDM/AllChange familiarity.
DOORS, EPDM, AllChange
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Efficient AI Systems, Principal Engineer (On-Device/Edge)
San Diego, California, United States
$207k-$310k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
6+ YOEAdvanced degree in engineering/computer science and 6–8+ years systems engineering experience; strong ML, deep learning, vision/ LiDAR, model quantization, and deployment experience on resource-constrained devices; leadership and cross-functional collaboration skills.
Vision Transformers, Cross Attention, Self-Attention, LLM, VLM, VLA, BEV, Snapdragon Ride, SoC
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Principal Hardware Engineer, Optics
San Diego, California, United States
$152k-$225k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
10+ YOEBachelor or higher in Electrical/Computer Science; 10-15 years (or 5-10 with advanced degrees); strong hardware design, power/signal integrity, CAD tools; lab testing experience; good collaboration and problem solving.
Allegro, OrCAD, Oscilloscope, Multimeter, Power supply, Signal analyzer
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2w
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Principal Machine Learning Engineer
San Diego, California, United States
$216k-$378k/yr OnsiteFull Time
ServiceNow
ServiceNowNYSE: NOW: Provides a cloud platform for automating enterprise digital workflows.
15+ YOE15+ years software engineering,5+ years at principal/staff/director scope;deep expertise in agentic AI,LLM systems,multi-agent orchestration,RAG,LLMOps/MLOps,AI observability,governance;enterprise cloud architecture and leadership.
ServiceNow, MCP, A2A, ITSM, CMDB, GRC, DevOps, CI/CD, LLM, RAG
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Principal Geotechnical Engineer
San Diego, California, United States
$150k-$225k/yr OnsiteFull Time
Atlas Technical Consultants
Atlas Technical Consultants: Provider of infrastructure and environmental engineering and testing services.
15+ YOE15+ years geotechnical engineering experience, CA professional engineer licensure, bachelor in civil engineering (master preferred), strong technical, client engagement, and leadership skills.
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1w
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Principal Utilities Engineer
Oceanside, California, United States
$95k-$177k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Provides innovative pharmaceutical and diagnostic healthcare solutions.
5+ YOEBachelor's degree in engineering, 5–8 years of engineering experience, and 5+ years of utility engineering in biotech, pharmaceutical, or regulated cGMP facilities. Requires systems, validation, troubleshooting, and compliance expertise.
HVAC, P&IDs, PLC, Building Automation Systems, Siemens, RCA, FMEA, DMAIC, Six Sigma
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Principal Traffic Engineer
San Diego, California, United States
$63-$79/hr OnsiteFull Time
Rick Engineering
Rick Engineering: Provides professional civil engineering, surveying, and urban planning services.
7+ YOE5+ MgmtBSCE, California registration as a Professional Civil Engineer or Traffic Engineer, minimum 7 years traffic engineering experience (or 12 years equivalent), and 5+ years supervising staff; experience with traffic studies, plans, and client/public-agency interactions.
HCS, Vistro, Synchro, CAD
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Principal Traffic Engineer
San Diego, California, United States
$130k-$165k/yr OnsiteFull Time
Advatix
Advatix: Provides technology-driven supply chain, fulfillment, and logistics services.
7+ YOE5+ MgmtBachelor's degree in Civil Engineering, California PE registration, 7+ years in traffic engineering/planning, 5+ years managing traffic teams, and recent Southern California experience required.
HCS, Vistro, Synchro, California Vehicle Code (CVC), Manual on Uniform Traffic Control Devices (MUTCD), Highway Capacity Manual (HCM), CAD
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3d
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Principal Structural Engineer
Houston or San Diego or Channelview
$121k-$181k/yr OnsiteFull Time
Solar Turbines
Solar TurbinesNYSE: CAT: Manufacturer of industrial gas turbines and turbomachinery systems.
10+ YOEBachelor's degree in structural engineering, 10+ years of oil and gas experience, Texas professional engineering license, STAAD Pro proficiency, structural analysis expertise, and international travel eligibility.
STAAD Pro, RAMconnect, MathCAD, ASTM, ACI, CRSI, ASCE, OSHA, IBC, AWS, PIP, API 2A, NFPA, Six Sigma
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3w
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Data Engineer, Principal
Oakland or Washington or Ohio or Missouri or California or Long Beach or Arizona or Colorado or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or Lodi or Rancho Cordova or San Diego or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$168k-$252k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
10+ YOE10+ years data engineering experience, bachelor's or equivalent, expertise in Data Vault 2.0/dimensional modeling/Lakehouse, SQL/Python/DBT, cloud data platforms, CI/CD, and mentoring senior engineers.
SQL, Python, DBT Cloud, DBT core, Snowflake, Synapse, Databricks, Git, Bitbucket, Jira
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1mo
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Principal/Senior Principal Mechanical Engineer
Hawthorne or El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design and system integration experience in aerospace/defense, launcher design experience, CAD and FEA proficiency, electro-mechanical integration, MIL-STD familiarity, ability to obtain U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
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3mo
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Principal Mobile Engineer
Carlsbad, California, United States
$160k-$180k/yr OnsiteFull Time
Nice North America
Nice North America: Manufacturer of smart home and building automation systems.
8+ YOE8+ years in mobile app development (iOS/Android) with React Native, quality code, and cross-region collaboration.
React Native, iOS, Android, AWS, Jira, Confluence, Bitbucket, Figma, Sentry, CI/CD
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