HiringCafe
Join our community

29 principal security engineer jobs at 15 companies in Riverside, CA

2mo
Save
Mark Applied
Hide
Principal Infrastructure Engineer
Los Angeles, California, United States
$250k-$320k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Embedded Security Engineer
Los Angeles, California, United States
$180k-$260k/yr HybridFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
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
Job PostingView all
1w
Save
Mark Applied
Hide
Principal AI Security Engineer
Long Beach, California, United States
$125k-$181k/yr HybridFull Time
SCAN Health Plan
SCAN Health Plan: Providing Medicare Advantage plans and integrated healthcare for seniors.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Mechanical Engineer - Launcher Systems
Los Angeles, California, United States
$180k-$230k/yr OnsiteFull Time
Hikinex
Hikinex: Provider of outsourced sales and administrative business solutions.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Systems Engineer - Algorithms (ONSITE)
Fullerton, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal / Sr. Principal Software Engineer (C++ and TS Clearance)
Los Angeles, California, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEActive DoD Top Secret clearance (transferable), willingness to work onsite full-time, 5+ years software experience (Principal) or 8+ years (Sr Principal), proficiency in C/C++ and modern C++ standards, CI/CD and Git experience, ability to meet security screening.
C, C++, C++ 17, C++ 20, CI/CD, MLOps, Git, Docker, Kubernetes, Linux, CUDA, GPUs, DevSecOps, Agile, Scrum, Model-based Engineering
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Network Engineer
Los Angeles, California, United States
$155k-$185k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior to Principal Mechanical Engineer (Maritime)
Los Angeles, California, United States
$140k-$220k/yr OnsiteFull Time
Odin Dynamics
Odin Dynamics: Developing autonomous underwater vehicles for defense and maritime missions.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Manufacturing Engineer
Melbourne or Dallas or Austin or Cypress
OnsiteFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
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.
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal RF Engineer
Cypress, California, United States
OnsiteFull Time
Mercury Systems
Mercury SystemsNASDAQ: MRCY: Provides secure processing solutions for aerospace and defense missions.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
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
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Program Manager
Murrieta, California, United States
$95k-$169k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
9+ YOEBachelor’s in Business, Operations Management, or Engineering; 9+ years program management experience; ability to obtain/maintain U.S. Security Clearance; proficiency in MS Project; strong leadership and negotiation skills.
Microsoft Project
Job PostingView all
1d
Save
Mark Applied
Hide
Distinguished Engineer, AI Threat Defense
Eagan or Frisco or New York City or Richmond or San Francisco or Los Angeles or Irvine or McLean or Washington
$198k-$368k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
12+ YOE12+ years of cybersecurity engineering experience at Principal, Staff, or Distinguished Engineer level, with AI threat defense, production AI systems, mature SOC/CIRT, enterprise security architecture, and technical influence expertise.
Model Context Protocol (MCP), SIEM, SOAR, SAST, AppSec, AWS, Azure, GCP, LLM
Job PostingView all

Explore Jobs

Expand Your Job Search