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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
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
1mo
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Principal Embedded Security Engineer
Los Angeles, California, United States
$180k-$260k/yr HybridFull Time
10+ YOEU.S. citizen required. Bachelor’s +10 years (or HS +14 years) in networking embedded software. Expertise in C/C++, Linux, IP networking (L2/L3), cryptographic algorithms/protocols, background check and drug test required.
C/C++, Python, Linux, AES, TLS, SSL, IPsec, MACsec, VPN, DMVPN, HMAC, DSA
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.
4d
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Principal AI Security Engineer
Long Beach, California, United States
$125k-$181k/yr HybridFull Time
10+ YOE10+ years cybersecurity experience with 3+ years focused on AI/ML security, proven Azure AI stack expertise, knowledge of LLM vulnerabilities, data security, and AI governance.
Azure OpenAI Studio, Azure AI Foundry, Azure AI Search, Azure Machine Learning, Azure Kubernetes Service (AKS), Model Context Protocol (MCP), REST, gRPC, Python, PowerShell, Bash, Azure Entra ID
2mo
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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 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
1mo
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Information Security Engineer, Principal
Oakland or Long Beach or El Dorado Hills or Rancho Cordova or San Diego or Woodland Hills or California
$168k-$252k/yr HybridFull Time
10+ YOEBachelor's or equivalent, 10+ years relevant experience (2+ years in Application Security), strong knowledge of OWASP Top Ten and STRIDE, Agile, regulatory certifications (HIPAA, SOC2, PCI-DSS, FedRAMP), AI/ML experience desired.
OWASP Top Ten, STRIDE, CICD, AI/ML
2mo
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Principal Network/ Systems Engineer
Bedford or Carson or Smyrna or Columbus or Fort Lee
OnsiteFull Time
12+ YOESenior IT infrastructure engineer with DoD/federal experience; strong network and systems integration, security tooling, and IaC.
Configuration Management, Patch Management, Asset Management, Enterprise Software License Compliance, Network and Systems, Security, Automation
2mo
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Principal Systems Engineer - Algorithms (ONSITE)
Fullerton, California, United States
$118k-$225k/yr OnsiteFull Time
8+ YOEProficient in MATLAB and Simulink; experienced in data analysis and algorithm development; capable of independent work and collaboration; DoD Secret security clearance or eligibility; STEM degree with extensive experience.
MATLAB, Simulink, Data analysis
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Principal Network Engineer
Los Angeles, California, United States
$155k-$185k/yr OnsiteFull Time
8+ YOE8+ years in networking architecture/design; enterprise networks; data centers; cloud; security; leadership.
BGP, OSPF, EIGRP, MPLS, TCP/IP, QoS, PfR, PoE, NTP, DHCP, CDP, SNMP, VTP, VLANs, VDC, Datacenter Zones, Spanning Tree, VRF, Cabling
2mo
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Principal Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
HybridFull Time
7+ YOE7+ years building and scaling production AI platforms; 9+ years in lieu of degree; design and operate large-scale AI/ML platforms; Docker/Kubernetes; security-minded.
Docker, Kubernetes, Multi-Cloud, Frontier Model Providers, Python, CI/CD, Security tooling
1mo
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Senior to Principal Mechanical Engineer (Maritime)
Los Angeles, California, United States
$140k-$220k/yr OnsiteFull Time
6+ YOEB.S. or M.S. in relevant engineering, 6+ years (Senior) or 10+ years (Principal) mechanical design experience, expertise in pressure-loaded structural design, CAD and FEA proficiency, prototyping/test experience, and U.S. citizenship with ability to obtain security clearance.
CAD, FEA
1mo
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Principal Manufacturing Engineer
Melbourne or Dallas or Austin or Cypress
OnsiteFull Time
8+ YOEBachelor’s degree in engineering with 8+ years of progressively complex engineering experience (or equivalent), U.S. citizenship, active or obtainable DOD security clearance, specialties in production/industrial/welding/tooling/testing/robotics possible.
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
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
1mo
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Principal Component Engineer
El Segundo, California, United States
$177k-$239k/yr OnsiteFull Time
14+ YOEBachelor's in engineering or related field, Tier 5 (T5) security eligibility (U.S. Person), extensive EO/IR, laser and electro-optical systems experience, systems engineering and test/qualification experience, strong communication and problem-solving skills.
2mo
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Principal RF Engineer
Cypress, California, United States
OnsiteFull Time
7+ YOEBS in Electrical Engineering; 7+ years RF/Microwave; senior design/architect role; RF tools (ADS/AWR); active security clearance day 1.
ADS, AWR, Genesys, VNA, Spectrum Analyzers
3w
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Principal Mechanical Engineer
Hawthorne, California, United States
$140k-$180k/yr OnsiteFull Time
10+ YOEBS in Mechanical or Aerospace Engineering, 10+ years mechanical/product design experience, positioner/drive system expertise, producibility and FEA knowledge, hands-on design and mentoring, eligible for US DoD security clearance.
Creo, Microsoft Office
1mo
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Principal Component Engineer
El Segundo, California, United States
$177k-$239k/yr OnsiteFull Time
1+ YOEBachelor's in engineering/CS/math/physics/chemistry, 1+ years EO/IR or laser/electro-optical systems experience, familiarity with military standards, ability to develop and qualify EEE parts and suppliers, and must meet U.S. export control (U.S. Person) and Tier 5 security requirements.
2mo
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Senior Principal Engineer, Architecture ASIC / System
Toronto or Ottawa or Burlington or Irvine or Morrisville or Santa Clara or Westborough
$192k-$255k/yr OnsiteFull Time
14+ YOESenior architect with 14+ years in system architecture for SoC; expertise in interconnects, memory hierarchies, power management, security; strong technical leadership.
IP evaluation, IP block, SoC architecture
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