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Principal Engineer
Eastvale, California, United States
$155k-$193k/yr OnsiteFull Time
4+ YOE3+ MgmtBachelor’s in Civil Engineering, CA Professional Engineer (PE) registration, 4+ years civil engineering experience including public works, and 3 years supervisory experience; experience managing CIP projects and federal funding processes.
1d
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Principal Engineer
Pasadena, California, United States
$157k-$196k/yr OnsiteFull Time
Lead water resources engineering division, manage capital projects, regulatory compliance, collaborate with regional agencies, and provide technical leadership for long-term water reliability.
2mo
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Principal Engineer
Brea, California, United States
$150k-$180k/yr RemoteFull Time
10+ YOEMech eng degree with extensive experience in structural/thermal/seismic analysis, FEA (ANSYS), valve/actuator design, and nuclear industry knowledge; PE licensure required.
ANSYS, SolidWorks
2mo
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Principal Engineer - Safety & Reliability
Irvine, California, United States
$121k-$211k/yr OnsiteFull Time
12+ YOEBachelor’s in Engineering; 12+ years in system safety & reliability; SAE ARP4761, MIL-STD-882E knowledge; strong communication; motion control experience preferred.
SAE ARP4761, SAE ARP4754, MIL-STD-882E, RTCA DO-178, RTCA DO-254, RTCA DO-160, ISO-9000/9001, MIL-STD-810, MIL-HDBK-217F, MIL-HDBK-217 Plus, MIL-HDBK-472, MIL-STD-461, MIL-STD-1629
1mo
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Sr Principal Engineer Digital
Manhattan Beach, California, United States
$156k-$235k/yr OnsiteFull Time
8+ YOESTEM degree with 4–8+ years digital engineering experience (depending on degree), circuit and board design, unit verification, hardware troubleshooting, teamwork, and strong communication skills; ability to obtain security clearance.
Siemens Mentor Graphics Xpedition, HyperLynx, Electronic design tools
2mo
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Principal Infrastructure Engineer
Los Angeles, California, United States
$250k-$320k/yr OnsiteFull Time
15+ YOE10-15+ years infra/platform engineering; Terraform/IaC; Kubernetes; cloud, edge, networking; security; mentoring.
AWS, Terraform, OpenTofu, Kubernetes, EKS, K0s, K3s, GitHub Actions, ArgoCD, Helm, CUE, Prometheus, Grafana, Datadog
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Principal Platform Engineer
Los Angeles, California, United States
$170k-$190k/yr OnsiteFull Time
8+ YOE8+ years software engineering; experience building high-availability backend services; strong distributed systems; leadership of large technical initiatives; excellent written and verbal communication.
5d
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Senior Engineer / Principal Engineer
Fountain Valley, California, United States
$155k-$213k/yr OnsiteFull Time
6+ YOEBachelor's in engineering and California PE required, CA Class C driver, 6+ years (senior) to 10+ years (principal) professional engineering experience, project management and public works expertise.
6d
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Principal Engineer, Architecture
Glendale, California, United States
$320k-$380k/yr OnsiteFull Time
12+ YOE12+ years engineering experience with staff/principal scope; expertise in distributed systems, data modeling, API design, security; strong mentorship and technical writing skills.
3w
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Managing Principal Engineer - MEP Design Build
Garden Grove, California, United States
$140k-$240k/yr OnsiteFull Time
15+ YOE8+ MgmtLicensed Mechanical or Architectural PE, 15+ years design engineering experience, 8+ years management experience, BS in Mechanical Engineering (MS preferred), mastery of HVAC/plumbing systems, CADD and Microsoft Office skills, strong leadership and client relationship experience.
CADD, Microsoft Excel, Microsoft Office
3w
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Senior Principal Mission Engineer
Chantilly or El Segundo or Colorado Springs
$160k-$210k/yr OnsiteFull Time
15+ YOE15+ years systems engineering experience (Master's+15 or Bachelor's+17) with space and ground systems, modeling/simulation, mission V&V, ERD/RVTM experience, TS/SCI clearance required, strong communication skills.
1mo
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Senior Principal Test Engineer
Irvine, California, United States
$162k-$240k/yr OnsiteFull Time
15+ YOE5+ Mgmt15+ years test engineering experience for NPI, 5+ years leading teams, PMIC/IVR testing expertise, ATE hardware/test development, Java/C/C++, Python, Advantest V93000 and pattern/DFT knowledge.
Advantest V93000, SmarTest8, Teradyne UltraFLEX, IG-XL, ATE Test Systems, Design-for-Test (DFT), Java, C/C++, Python, SVN, Git
2mo
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Principal Optical Engineer
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEDegree in STEM with 8+ years in optical design/analysis, tolerancing, and CAD; hands-on assembly and test.
Zemax, CodeV, FRED, MATLAB, CREO, CAD
2mo
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Principal Facilities Engineer
Irvine or Santa Ana or Tijuana
$127k-$191k/yr OnsiteFull Time
7+ YOEBachelor’s degree with 7+ years in facility mechanical/electrical infrastructure and building automation; English and Spanish fluency; willingness to travel 20-40%.
Modbus, BACnet, LonWorks, Tridium/Niagara BAS
1w
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Principal Civil Engineer- Land Development
Glendora, California, United States
$120k-$145k/yr OnsiteFull Time
5+ YOESupervise land development engineering, review plans and permits, manage projects and budgets, prepare reports, present to City Council; requires CA PE, bachelor\u0002s in civil engineering, and five years progressive public works experience.
AutoCAD, ArcView GIS, Geographical Information Systems (GIS), Microsoft Office
2mo
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Principal Mechanical Engineer - Launcher Systems
Los Angeles, California, United States
$180k-$230k/yr OnsiteFull Time
10+ YOE10+ years in aerospace/defense mechanical design and system integration; BS in Mechanical Engineering; launcher systems experience; US citizenship and ability to obtain security clearance.
SolidWorks, CAD
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Principal Optical Manufacturing Engineer
Irvine, California, United States
$115k-$180k/yr OnsiteFull Time
5+ YOELead manufacturing methods for optics; 5+ years in optics fabrication/metrology; BS in Engineering/Physics; travel up to 5%.
ZeMax, Python, Matlab, Optical Metrology, Fizeau Interferometer
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Principal Engineer, Mission Software
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
Programming, Software Architecture, Distributed Systems, APIs, Operator tooling, Mission-critical applications
2mo
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Principal Integration & Test Engineer
Los Angeles, California, United States
$175k-$200k/yr OnsiteFull Time
8+ YOEBachelor’s in engineering; 8+ years in integration/test/automation; spacecraft testing; environmental testing; Linux; Python or Rust; manage contractual interfaces.
Python, Rust, Linux, Oscilloscope, DMM, PSU, Environmental test equipment, HITL, HWIL, Flatsat
2mo
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Principal Customer Service Engineer
Livonia or Irvine
$92k-$172k/yr OnsiteFull Time
7+ YOE7-10 years multiphysics CAE tools, Python, project management, strong communication; US citizen or green card; mechanical engineering degree.
Nastran, Ansys, Abaqus, Python, XML, JSON, Patran, DMAP, MSC Software, Apex, EPILYSIS, META, Actran, Cradle, Dytran, Simufact, BETA CAE
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