90 principal security engineer jobs at 39 companies in Fairfax, CA
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Principal Security Engineer
San Francisco or California
$319k-$479k/yr RemoteFull Time
10+ YOE10+ years developing production software, 5+ years focused on scaling security practices, technical leadership at principal level, strong system design, security expertise, and ability to write production-quality security automation code.
3mo
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Principal Engineer, Identity Data Security and Trust
Menlo Park, California, United States
$264k-$380k/yr OnsiteFull Time
12+ YOE12+ years software engineering; 5+ years as principal/architect; security, DLP, cloud infra.
Java, Go, C++, AWS, GCP, Azure, TLS, HTTP, DNS
2mo
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Principal Security Engineer
San Francisco or Denver or New York City
$240k-$310k/yr OnsiteFull Time
10+ YOE10+ years security engineering experience; architecting secure systems, threat modeling, infra-as-code, and translating HIPAA/SOC2/PCI/HITRUST into engineering requirements; strong technical leadership and communication.
3mo
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Principal Offensive Security Engineer
Palo Alto, California, United States
$168k-$271k/yr OnsiteFull Time
8+ YOE8+ years in Offensive Security/Red Teaming, cloud expertise (GCP/AWS/Azure), Kubernetes security, IaC/CI–CD security, and led pentests/red team ops.
Kubernetes, Container Security, IaC, CI/CD, Cloud Security
2mo
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Principal Software Engineer, Platform Security
San Francisco, California, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years in software development; strong in databases, APIs, data pipelines; experience with large projects and security infrastructure.
API development, REST APIs, SDLC, AWS, GCP, Azure, Python, Ruby, Unix/Linux, Security infrastructure
2mo
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Principal Engineer - Stablecoin
Jersey City or Seattle or Plano or San Francisco or Charlotte
$157k-$230k/yr HybridFull Time
Experience designing and building secure, scalable financial blockchain apps and smart contracts; multi-cloud, multi-region; cloud providers (AWS, GCP, Azure); web3 protocols; Solidity/Rust; cryptography; DeFi; code reviews and security analysis; integration with external systems.
Solidity, Rust, Web3, Truffle, Hardhat, Remix, Web3.js, Ethers.js, Terraform, AWS, GCP, Azure
1w
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Principal Identity Security Engineer
San Francisco, California, United States
$197k-$232k/yr HybridFull Time
10+ YOE10+ years in IAM, information security, or security engineering; bachelor's degree or equivalent experience; expertise in identity security, enterprise architecture, PAM, automation, regulated environments, and audit controls.
SailPoint, Okta, Active Directory, AWS, Terraform, GitHub, Delinea, Thycotic Secret Server, Infrastructure-as-Code, AI
1mo
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Principal Engineer — Product & Application Security
San Mateo, California, United States
$241k-$298k/yr HybridFull Time
12+ YOE12+ years securing cloud-native multi-tenant SaaS, deep application/product security expertise, threat modeling, CI/CD security (SAST/DAST/SCA), coding ability in modern languages, and experience defining org-wide security standards.
Snyk, Snyk Code, Sonatype Nexus, Ruby, Java, Go, Python, JavaScript, TypeScript, Terraform, CloudFormation, Kubernetes, Claude, LangGraph, SAST, DAST, SCA, IaC, SBOM, CI/CD, SIEM, SSPM
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Offensive Security Agent Engineer
New York City or Seattle or Washington or San Francisco or United States
$347k-$490k/yr RemoteFull Time
Staff/principal-level offensive security expertise, domain knowledge in cloud/Kubernetes/web/Linux/macOS, experience building production software and agent systems, strong judgment and communication.
Kubernetes, Linux, macOS
1w
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Staff / Principal Software Engineer, Infrastructure Security
Stockholm or London or Boston or New York City or San Francisco
OnsiteFull Time
8+ YOE8+ years in infrastructure or cloud security, including 3+ at staff or principal level; expertise in GCP, AWS, Cloudflare, Kubernetes, Terraform, and security practices; Go, Python, or Rust programming.
Google Cloud Platform (GCP), Amazon Web Services (AWS), Cloudflare, Kubernetes, Terraform, Wiz, GitHub Actions, SLSA, sigstore, SBOMs, Go, Python, Rust, React, TypeScript, Grafana, OpenTelemetry (OTEL), ClickHouse, Firestore, Spanner, BigQuery
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Principal Information Security Engineer
Eden Prairie or San Francisco or United States
$113k-$193k/yr RemoteFull Time
7+ YOEAssociate's degree, 7+ years Palo Alto firewall experience, 5+ years cloud security and security architecture experience, firewall policy compliance and remediation, Splunk/AlgoSec familiarity, strong communication and leadership.
Palo Alto Networks, AlgoSec, Firemon, Splunk
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Principal Security Operations Engineer
Atlanta or Boston or San Francisco or Scottsdale or Seattle
$169k-$311k/yr OnsiteFull Time
10+ YOE10+ years in security, platform, infrastructure, or SRE roles; expert Kubernetes; AWS/Azure; software and automation skills; CI/CD, container security, infrastructure-as-code, incident leadership, observability, and US citizenship.
Kubernetes, AWS, Azure, Go, Python, ECR, ACR, Terraform, Helm, GitOps, PKI, CI/CD, RBAC
2mo
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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
1mo
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Principal Enterprise Security Engineer
San Mateo, California, United States
$294k-$343k/yr HybridFull Time
9+ YOE9+ years of relevant experience; deep expertise in IAM, endpoint, network and SaaS security; familiarity with zero trust, threat modeling, SOC 2/ISO 27001; experience with Google Workspace, Okta, MDM, SSPM, and cloud-native environments.
Google Workspace, Okta, MDM, SSPM, ZTA, SOC 2, ISO 27001
2mo
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Sr. Principal Engineer
Fremont, California, United States
$179k-$257k/yr OnsiteFull Time
15+ YOESenior-level engineering position focused on network engineering and security; extensive hands-on experience with Cisco tech, WAN/LAN, and project leadership.
Cisco, VPN, SDWAN, Python, Ansible
2mo
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Principal Forward Deployed Engineer
Bellevue or Chicago or San Francisco or Toronto
$269k-$369k/yr RemoteFull Time
10+ YOE10+ years in production software with distributed systems and identity; expertise in OAuth 2.0/OIDC/SAML, agent security, fine-grained authorization; proven AI hands-on; strong customer-facing authority; independent, founder’s mindset.
OAuth, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, MCP, A2A, ISO/IEC 42001, EU AI Act
3mo
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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
3d
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Principal Verification Engineer
Mountain View or Redmond or Hillsboro or Austin or Raleigh
$143k-$275k/yr HybridFull Time
3+ YOERequires a degree in electrical engineering, computer engineering, computer science, or related field and 3–8+ years of technical engineering experience depending on degree; verification, UVM, RTL, simulation, scripting, and security screening required.
Universal Verification Methodology (UVM), C, Zsh, Bash, Python, Perl, Verilog, Microsoft Azure, AXI, AMBA
3mo
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Principal Software Engineer, AI Onboarding
San Francisco, California, United States
$240k-$250k/yr HybridFull Time
10+ YOE10+ years software engineering; expert in Java, Spring, REST, microservices; strong AI tooling knowledge; cloud, security, and containerization savvy.
Java, Spring Framework, REST, Microservices, AWS, Azure, Google Cloud, Docker, Kubernetes, SQL, ElasticSearch, Redis, CI/CD, Kafka, Git, GitHub, GitLab, Maven, Ant, IntelliJ, Eclipse, Q, Github Copilot, Cursor
3w
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Principal Engineer, Backend Engineering
San Francisco, California, United States
$210k-$274k/yr OnsiteFull Time
Expert backend engineering to design and lead an AI proxy platform, ensure high availability, cost-efficiency, security integration, and mentor engineering teams.
Codex, Cursor, Claude Code, Rovo CLI
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