Half Moon Bay • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Half Moon Bay • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Half Moon Bay • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Half Moon Bay • 50 milesRemote · Hybrid · Onsite · Field · All Environments
168 principal security engineer jobs at 57 companies in Half Moon Bay, 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
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.
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
1mo
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Principal Security Engineer
Redmond or Mountain View
$166k-$296k/yr HybridFull Time
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
3mo
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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
3w
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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
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 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
2w
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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
1w
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Principal Security Engineer | Cyber Defense Engineering
Santa Clara, California, United States
$221k-$387k/yr RemoteFull Time
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
1mo
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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
1w
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Principal Security Engineer | Cyber Defense Engineering
Santa Clara, California, United States
$221k-$387k/yr RemoteFull Time
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
1w
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Principal Product Security Engineer
Santa Clara, California, United States
$118k-$204k/yr HybridFull Time
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
1w
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Principal Product Security Engineer
Santa Clara, California, United States
$118k-$204k/yr HybridFull Time
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
1w
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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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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
3mo
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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
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