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46 principal security engineer jobs at 15 companies in Poway, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1w
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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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1mo
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Sr. Principal Electronics Engineer
San Diego, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOERequires STEM degree with relevant engineering experience, transferable U.S. government security clearance (Secret or Top Secret), airborne/ground platform integration experience, comms/RF/SATCOM expertise, and 25% travel.
RF datalinks, SATCOM, routers, firewalls, switches
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2mo
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Principal or Sr. Principal Guidance Navigation and Control (GNC) Engineer
El Segundo or San Diego
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEPrincipal or Senior Principal GNC engineer with MS/PhD preferred; requires security clearance and Matlab/Simulink expertise.
Matlab, Simulink, Autocoding Simulink models, C/C++, Java, Python
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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
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
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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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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
10+ YOE10+ years enterprise software experience; strong architecture skills; AWS and security-minded development; full-stack with C#, JavaScript/TypeScript; React; data streaming; microservices.
AWS, C#, JavaScript/TypeScript, React, GraphQL, Terraform
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3w
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Principal RF Process Engineer
San Diego, California, United States
$167k-$208k/yr OnsitePart Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
10+ YOEUS citizen with BS in engineering/physical science/physics, 10+ years process engineering experience with RF/electrical knowledge, ability to obtain security clearance, PWB/SMT assembly and hands-on test experience, strong communication skills.
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2mo
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Debt Solutions - Principal Software Engineer (React/C#/AWS)
San Diego, California, United States
$211k-$297k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
10+ YOEBachelor's degree required; 10+ years building complex enterprise web applications; expertise in microservices, security, AWS, C#/Java/Python/JavaScript/TypeScript, databases, and event-driven architectures.
React, C#, Java, Python, JavaScript/TypeScript, GraphQL, Amazon Web Services (AWS), Lambda, DynamoDB, CloudWatch, CloudFormation, SNS, SQS, S3, API Gateway, Terraform, Kibana, Git, Azure DevOps, OpenID
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2w
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Principal Network Engineer
San Diego, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEU.S. citizen with active Secret clearance, able to obtain Top Secret; Security+ obtainable within 6 months; degree in CS/IT/Network Engineering with corresponding years of experience; Cisco and DoD accreditation experience.
DIACAP, RMF, STIG, NETSEC, IAVA, IAVM, Visio, Project, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Cisco
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2w
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Senior Principal Systems Integration and Test Engineer
San Diego or Austin or Huntsville or United States
HybridPart Time
Ultra
Ultra: Specialist electronic systems for defense and aerospace sectors.
Bachelor's in STEM or equivalent, ability to obtain US security clearance, experience in feasibility studies, CONOPS, requirements baselining, system integration, and test planning.
Jira, DOORS, Microsoft Office
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2w
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Principal Network Engineer
San Diego, California, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEUS citizen with active Secret clearance, bachelor\u0002s+9yrs (or masters+7yrs, PhD/JD+4yrs) experience; ability to obtain Top Secret and Security+ within 6 months; DIACAP/RMF, STIGs, NETSEC, Cisco experience, Microsoft Office/Visio/Project/Excel proficiency.
Cisco, Security Technical Implementation Guides (STIGs), DIACAP, RMF, Microsoft Visio, Microsoft Project, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word
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2w
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Senior Principal Systems Integration and Test Engineer
San Diego or Austin or Huntsville or United States
OnsitePart Time
Ultra Intelligence & Communications
Ultra Intelligence & Communications: Develops secure communications and intelligence systems for military operations.
Bachelor's in STEM or equivalent experience; ability to obtain US security clearance; experience with feasibility studies, CONOPS, requirements baselining, integration and test verification; familiarity with configuration management.
Jira, DOORS, Microsoft Office
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3mo
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Principle Engineer - Identity
San Diego, California, United States
OnsiteFull Time
ResMed
ResMedNew York Stock Exchange: RMD: Developing cloud-connected medical devices for sleep and respiratory care.
10+ YOELead design and evolution of customer identity platform; 10+ years SaaS, IAM, distributed systems, API integration, security and governance.
Unix/Linux, AWS, GCP, Kubernetes, APIs, OAuth 2.0, OpenID Connect, SAML, AI/ML tools
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2mo
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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
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2mo
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Principal Software Engineer - Mobile Development
Valencia or San Diego or San Jose
$107k-$203k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Manufacturer of interventional medical devices and technologies.
8+ YOEBachelor's degree in CS/Software Engineering, 8+ years Android mobile development (≥2 years medical device apps), 3+ years AWS experience, expertise with Kotlin/Java/Android Jetpack, BLE and secure protocols, knowledge of medical device software standards.
Kotlin, Kotlin Multiplatform, Java, Android Jetpack, MVVM, Rx, XML data binding, Bluetooth Low Energy (BLE), AWS KMS, AWS S3, AWS DynamoDB, AWS Cognito, API Gateway, AWS EC2, AWS CloudWatch, Jenkins, Git, SonarQube, Atlassian Agile tools, TensorFlow, Pandas, NumPy, R, HTTPS, OAuth
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2w
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Principal, Gen AI Transformation - Embedded Software & Engineering Productivity
San Diego, California, United States
$193k-$289k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
6+ YOEBachelor's degree in Engineering/CS or related plus substantial software engineering experience (6–8+ years), deep expertise in Generative AI/LLMs, hands-on GenAI solution development, and strong SDLC and security knowledge.
C, C++, Java, Python, Go, Linux, Android, RTOS
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1d
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Principal Algorithm & Signal Processing Engineer
Dayton or Woburn or Boston or Arlington or Melbourne or Carlsbad
$206k-$284k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
8+ YOEU.S. citizenship and ability to obtain security clearance, BS/MS/PhD in EE/Applied Math/Physics or related, typically 8+ years relevant experience, leadership in radar/EW/RF sensing, proficiency in MATLAB/Python/C/C++, strong communication and math skills.
MATLAB, Python, C, C++
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3w
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Senior Principal System Administrator
San Diego, California, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOETop Secret clearance required, typically Bachelor's + 8 years or equivalent. Strong Linux (RHEL), Windows Server, VMware, networking, cybersecurity (DISA STIGs, Nessus) skills; CompTIA Security+; McAfee ePO admin certification within 6 months; experience with classified networks.
VMware, Red Hat Enterprise Linux, YUM, DNF, Windows Server, Microsoft SQL Server, TMPC, McAfee ePO, DNS, LDAP, SSH, SCP, Nessus, PKI, Red Hat KVM, Bash, PowerShell, Shared Storage, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, DISA STIGs
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