142 principal security engineer jobs at 41 companies in Scotts Valley, CA

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Principal Engineer, Identity Data Security and Trust
Menlo Park, California, United States
$264k-$380k/yr OnsiteFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
12+ YOE12+ years software engineering; 5+ years as principal/architect; security, DLP, cloud infra.
Java, Go, C++, AWS, GCP, Azure, TLS, HTTP, DNS
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Principal Offensive Security Engineer
Palo Alto, California, United States
$168k-$271k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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
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Principal Security Engineer
Redmond or Mountain View
$166k-$296k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
8+ YOEBachelor's in CS or related and 8+ years engineering experience coding in C/C++/C#/Java/JavaScript/Python; expertise in firmware/hardware security, cryptanalysis, and Confidential Computing; must pass Microsoft security screenings.
C, C++, C#, Java, JavaScript, Python, Rust
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Principal Engineer, Firmware Security
San Jose or Longmont or Folsom
$161k-$318k/yr OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Manufacturer of semiconductor memory and data storage products.
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
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Senior Principal Engineer, Offensive Security (2026-345)
San Jose, California, United States
$190k-$240k/yr OnsiteFull Time
Astera Labs
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
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
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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
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
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
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Principal Engineer — Product & Application Security
San Mateo, California, United States
$241k-$298k/yr HybridFull Time
Freshworks
FreshworksNASDAQ: FRSH: Provides cloud-based customer support and IT management software.
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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Principal Security Engineer | Cyber Defense Engineering
Santa Clara, California, United States
$221k-$387k/yr RemoteFull Time
ServiceNow
ServiceNowNYSE: NOW: Provides a cloud platform for automating enterprise digital workflows.
15+ YOE15+ years in security engineering and 5+ years in software engineering, including enterprise architecture, threat modeling, AI security, and cross-domain security strategy. Bachelor’s, master’s, or PhD preferred.
LangChain, LangGraph, LLMs, RAG
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Principal Security Engineer | Cyber Defense Engineering
Santa Clara, California, United States
$221k-$387k/yr RemoteFull Time
ServiceNow
ServiceNowNYSE: NOW: Enterprise software providing cloud-based workflow automation platforms.
15+ YOERequires 15+ years in security engineering, 5+ years in software engineering, enterprise-scale architecture, multi-domain security direction, and AI threat expertise. Bachelor's, master's, or PhD preferred.
LangChain, LangGraph, LLMs, RAG
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Principal Product Security Engineer
Santa Clara, California, United States
$118k-$204k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Develops and manufactures pharmaceutical drugs and medical devices.
8+ YOEBachelor's degree or equivalent experience, 8+ years in cybersecurity or related disciplines, and expertise in threat modeling, secure development, vulnerability management, penetration testing, security reviews, and risk assessment.
CVSS, ISO 14971, AAMI TIR57, IEC 62304, IEC 81001-5-1, HIPAA, GDPR, HITRUST, ISO 27001, OWASP Top 10, SOC 2, FedRAMP, AWS, Azure, C, C++, C#, Java, Python
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Principal Product Security Engineer
Santa Clara, California, United States
$118k-$204k/yr HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
8+ YOEBachelor's degree or equivalent experience, 8+ years in cybersecurity or related disciplines, and expertise in threat modeling, secure development, vulnerability management, penetration testing, security reviews, and risk assessment.
CVSS, ISO 14971, AAMI TIR57, IEC 62304, IEC 81001-5-1, HIPAA, GDPR, HITRUST, ISO 27001, OWASP Top 10, SOC 2, FedRAMP, AWS, Microsoft Azure, C, C++, C#, Java, Python
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Principal Enterprise Security Engineer
San Mateo, California, United States
$294k-$343k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
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
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Sr. Principal Engineer
Fremont, California, United States
$179k-$257k/yr OnsiteFull Time
Bloom Energy
Bloom EnergyNYSE: BE: Manufactures solid oxide fuel cell systems for onsite power.
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
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Principal Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
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
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
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
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Principal Full Stack Developer
Santa Clara or San Jose
$117k-$222k/yr HybridFull Time
Boston Scientific
Boston ScientificNYSE: BSX: Global medical technology leader providing innovative solutions for patients.
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
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Principal Engineer, Software Development Engineering (Apps)
Milpitas, California, United States
$142k-$235k/yr HybridFull Time
Sandisk
SandiskNasdaq: SNDK: Designs and manufactures flash memory and data storage products.
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
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Principal Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
HybridFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
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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Sr. Principal Engineer/ Principal Engineer – Cloud Platform
San Jose, California, United States
HybridFull Time
Extreme Networks
Extreme NetworksNASDAQ: EXTR: Provides cloud-managed networking hardware and software solutions.
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
2w
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Principal Platform Security Architect
Sunnyvale or Austin
$250k-$300k/yr OnsiteFull Time
Neurophos
Neurophos: Develops high-performance photonic processors for AI inference acceleration.
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

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