129 principal security engineer jobs at 35 companies in Live Oak, CA
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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
1mo
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Principal Security Engineer
Redmond or Mountain View or Hillsboro or Austin or Raleigh
$143k-$275k/yr HybridFull Time
6+ YOEBachelor's degree and 6+ years engineering experience with firmware/secure hardware design, strong coding in C/C++/Rust and familiarity with cryptography, secure boot, attestation, and debugging.
C, C++, C#, Java, JavaScript, Python, Rust, Real-Time Operating Systems (RTOS), PCIe, NVME, I3C, I2C, SPI
2mo
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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 Engineer, Firmware Security
San Jose or Longmont or Folsom
$161k-$318k/yr OnsiteFull Time
10+ YOEBachelor's degree, 10+ years security firmware experience, applied cryptography and post‑quantum expertise, proficiency in C and Python, experience with SoC/FPGA debugging, and knowledge of storage security standards.
C, Python, Rust, JTAG, FPGA, SoC, Caliptra
1w
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Senior Principal Engineer, Offensive Security (2026-345)
San Jose, California, United States
$190k-$240k/yr OnsiteFull Time
12+ YOEBachelor's in CS/CE/EE or related,12+ years offensive security experience,expertise in hardware/firmware/embedded/cloud or AD,proficiency in Python/C/C++/assembly,knowledge of MITRE ATT&CK,track record driving remediation.
Python, C, C++, Assembly, Azure, MITRE ATT&CK, PCIe, CXL, COSMOS
1mo
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Principal Cyber Security Engineer, Strategy and Architecture
Carlsbad or Reston or Marlborough or Tempe or San Jose or New York City
$230k-$363k/yr HybridFull Time
10+ YOEBachelor's or Master's in a technical field, 10+ years in security/systems/network engineering, strong risk analysis and secure system design experience, hands-on with enterprise security tools, US citizenship, up to 20% travel.
firewalls, IDS/IPS, PKI, SIEM/SOAR, EDR/NDR, CSPM/CNAPP, zero-trust, NIST, ISO 27001, GDPR, CCPA
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
2mo
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Principal Security Data Engineer, Infrastructure Security Engineering - DGX Cloud
Santa Clara or California or United States
$272k-$431k/yr OnsiteFull Time
15+ YOE15+ years building and operating production data pipelines/lakes at scale; production-grade coding (Python, Go, Scala, SQL); data modeling, distributed systems, and security-minded data handling; Bachelor's or equivalent experience.
Python, Go, Scala, SQL, OCSF, ECS, DCGM, Redfish, BMC, InfiniBand, SIEM, DGX Cloud, LLM
2mo
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Principal Security Data Engineer, Infrastructure Security Engineering - DGX Cloud
Santa Clara or California or Canada or United States
$272k-$431k/yr HybridFull Time
15+ YOE15+ years building and operating production data pipelines/lakes, production-grade coding (Python/Go/Scala/SQL), data modeling, distributed data systems, security-minded data handling, analytics enablement; Bachelor's or equivalent.
DGX Cloud, Python, Go, Scala, SQL, SIEM, OCSF, ECS, DCGM, Redfish, BMC, InfiniBand
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 Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
10+ YOE10+ years in software engineering; leadership in design/architecture; distributed systems and security services; Linux/Unix knowledge; microservices; databases.
Linux, Unix, Distributed Systems, Security, KMS, HSMs
1mo
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Principal Software Engineer, Endpoint Platform
Milpitas or Vancouver
$240k-$250k/yr HybridFull Time
2+ YOEPrincipal-level systems software engineer with 2+ years principal experience; strong C++, Rust, or Go; deep OS internals and endpoint security knowledge; experience with EDR/XDR/DLP/PAM/PEDM, ETW/eBPF, AI-assisted development tools, and AI/agent architectures.
C++, Rust, Go, EDR, XDR, DLP, PAM/PEDM, ETW, eBPF, GitHub Copilot, Cursor, Claude Code, Windsurf, ChatGPT, CI/CD, MCP, LLM
3mo
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Principal Full Stack Developer
Santa Clara or San Jose
$117k-$222k/yr HybridFull Time
8+ YOE3+ Mgmt8+ years software development; 3+ years in principal/leadership; full-stack with Node.js and/or Java; cloud-native microservices; AWS/Azure; SQL; Docker/Kubernetes; Agile; security/compliance.
React, TypeScript, Node.js, Java, AWS, Azure, Docker, Kubernetes, SQL, APIs, CI/CD
2mo
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Principal Engineer, Software Development Engineering (Apps)
Milpitas, California, United States
$142k-$235k/yr HybridFull Time
7+ YOE7+ years software engineering, including architecture/leadership; strong Python; experience with AI/ML stacks; distributed systems; Kubernetes; on-prem and cloud; APIs; security.
Python, TypeScript, JavaScript, React, Go, Java, C++, LangGraph, LangChain, LlamaIndex, PyTorch, TensorFlow, Hugging Face, Kubernetes, Docker, PostgreSQL, MongoDB, Elasticsearch, Redis, Valkey, OAuth, OIDC, SSO, RBAC
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
2w
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Security AI Engineer, Principal Member of Technical Staff
California or San Jose or Palo Alto
$155k-$236k/yr OnsiteFull Time
10+ YOEBachelor's degree in a technical field and 10+ years in cybersecurity, cloud infrastructure, or platform engineering; requires AI agent, Python, GCP, Kubernetes, networking, detection, and security automation expertise.
Python, Google Agent Development Kit, Anthropic Claude, GKE, Model Context Protocol (MCP), Microsoft Defender XDR, Google SecOps, Chronicle, Entra ID, GCP, Jira, Confluence, Microsoft 365, Terraform, Kubernetes, GitOps, Google Cloud Run, Secret Manager, Workload Identity Federation, Cloud Logging, Cloud Audit Logs, Security Command Center, Microsoft Azure, Microsoft Sentinel, Tenable, ThreatLocker, MITRE ATT&CK, NIST CSF, NIST SP 800-207, CIS Benchmarks, OWASP Top 10 for LLM Applications, NIST AI Risk Management Framework, LangGraph, Vertex AI, Go, TypeScript, PowerShell, TCP/IP, DNS, TLS, NDR, IDS/IPS, SSO, FIDO2, PAM, SBOM, Linux, Windows, TISAX, VDA ISA, GCIH, GCFA, GCIA, GCTI, CMEK, Binary Authorization, CI/CD
2w
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Sr. Principal Engineer/ Principal Engineer – Cloud Platform
San Jose, California, United States
HybridFull Time
15+ YOE15+ years software engineering with expertise in distributed systems, microservices, cloud platforms, containerization, databases, DevOps, security, and leadership; bachelor's or master's in CS/CE or equivalent.
AWS, EC2, ECS, EKS, Lambda, RDS, DynamoDB, Azure, GCP, Docker, Kubernetes, Helm, Java, Go, Python, C#, TypeScript, PostgreSQL, MySQL, MongoDB, Cassandra, Redis, Elasticsearch, Terraform, CloudFormation, Jenkins, GitLab CI, GitHub Actions, Prometheus, Grafana, ELK Stack, Kafka, Kinesis, OAuth 2.0/OIDC
2d
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Principal Platform Security Architect
Sunnyvale or Austin
$250k-$300k/yr OnsiteFull Time
10+ YOERequires BS, MS, or PhD in a relevant field and 10+ years designing hardware and firmware security architecture for shipped silicon, including root of trust, secure boot, SPDM, DICE, and key management.
RTL, SPDM, Security Protocol and Data Model (SPDM), DICE, Device Identifier Composition Engine (DICE), OTP, OTA, OCP, Open Compute Project (OCP), DMTF, Distributed Management Task Force (DMTF), MCTP, Management Component Transport Protocol (MCTP), PLDM, Platform Level Data Model (PLDM), Caliptra, FIPS, Common Criteria, NIST SP 800-193, HSA
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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