307 security systems engineer jobs at 176 companies in Vacaville, CA
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Data Center Physical Security Systems Engineer
San Francisco or Seattle or Washington or New York City or United States
$205k-$335k/yr RemoteFull Time
15+ YOEDeep expertise in physical security systems and security engineering with 15+ years experience; experience designing and implementing access control, video, intrusion, and integrated monitoring across multi-site data centers; ~25% global travel.
2w
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Hardware Systems Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$190k-$270k/yr OnsiteFull Time
10+ YOEBachelor's degree in engineering or related field, 10+ years of engineering experience, defense systems background, hardware systems leadership, architecture and trade study expertise, and ability to obtain and maintain U.S. security clearance.
DOORS, Jama, Cameo, MagicDraw, SysML, Coherent Distributed Networks (CDN), RF
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Platform Security Engineering, Operating Systems
San Francisco or New York City or Seattle
$320k-$405k/yr HybridFull Time
Deep Linux internals and kernel security knowledge, C and systems programming, eBPF experience, familiarity with SELinux/AppArmor/seccomp, track record fixing OS-level vulnerabilities; bachelor's degree or equivalent.
Linux, SELinux, AppArmor, Linux Security Modules, seccomp, eBPF, C, SEV, TDX, SGX, TPM, HSM
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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.
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Deployed Systems Engineer
San Francisco, California, United States
OnsiteFull Time
Deep infra engineering with on‑prem/VPC/air‑gapped experience, strong Kubernetes/Helm skills, fleet upgrade/rollback judgment, AI/agent experience, Linux proficiency, strong writing for RCAs and security notes.
GitHub, Gmail, Notion, Salesforce, Kubernetes, Helm, Temporal, Postgres, GCP, AWS, Linux, Replicated, KOTS, MCP
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Software Security Engineer (Distributed Systems) MTS
San Francisco, California, United States
$117k-$224k/yr HybridFull Time
2+ YOE2+ years security engineering experience building automation tools; coding in Go, Java, or Python; GCP and Terraform experience; familiarity with CI/CD, SAST/DAST/SCA/SIEM, Linux, and threat modeling.
Go, Java, Python, GCP, Terraform, CI/CD, SAST, DAST, SCA, SIEM, Docker, Kubernetes
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Staff Engineer, Security
New York City or San Francisco or Seattle or United States
$220k-$240k/yr RemoteFull Time
Deep multi-domain security expertise (product, cloud, data, access governance, detection & response); recent hands-on engineering and system design experience; built security programs at scale; strong communication and ownership.
Gem
3w
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Staff Security Engineer
Sacramento, California, United States
RemoteFull Time
12+ YOEBachelor's or Master's in CS/Engineering,12+ years security architecture experience for distributed systems, expertise in encryption,KMS, IAM, and secure API design; experience with LDAP, Active Directory, OIDC, Keycloak, KMIP, TLS1.3; strong collaboration and threat-modeling skills.
LDAP, Active Directory, OIDC, Keycloak, KMIP, TLS 1.3, SigV4, SIEM
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Staff/Senior Engineer, Security
San Francisco or Toronto or United States or Canada
$180k-$260k/yr HybridFull Time
5+ YOE5+ years in security-focused engineering with hands-on architecture, SAST/DAST and CI/CD integration, cloud and application security, experience securing AI systems, strong scripting (Python) and relevant cybersecurity certification.
SAST, DAST, CI/CD, OWASP, JFrog, Snyk, SASE, CASB, RASP, Python, Ruby, Node.js, DNS-SEC
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Senior Security Engineer
Seattle or San Francisco or United States
$145k-$200k/yr HybridFull Time
5+ YOE5+ years in security/infrastructure/application security; hands-on with AWS or GCP; proficiency in Python/Go/Java; experience with SAST/DAST and SIEM; knowledge of secure system design, incident response, and AI/LLM security risks.
GCP, AWS, Python, Go, Java, SAST, DAST, SIEM, CI/CD, AI-powered scanning tools
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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.
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Systems Engineer III
Fairfield, California, United States
$73-$88/hr OnsiteFull Time
12+ YOE12+ years IT experience with deep systems engineering expertise in highly available healthcare infrastructure; strong troubleshooting, scripting, database, cloud, and security skills.
Linux Server, Windows Server, Radius, LDAP, MSAD, EntraID, MFA, SQL, Python, PowerShell, Microsoft365
4d
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Software Engineer — Security
New York City or San Francisco
$220k-$300k/yr HybridFull Time
Requires Python, Go, or similar programming; cloud-native and containerized systems experience; Terraform and AWS architecture; IAM and network security expertise. Experience with security automation, incident response, threat modeling, and compliance frameworks is valued.
Python, Go, Infrastructure as Code (IaC), Cloud Security Posture Management (CSPM), AWS, Kubernetes, Identity and Access Management (IAM), Network Access Control Lists (NACLs), Virtual Private Cloud (VPC), AWS Key Management Service (KMS), Terraform, CI/CD, Amazon Machine Images (AMIs), Secrets Manager, HashiCorp Vault, NIST CSF, ISO 27001, SOC 2, CIS benchmarks, Secure Development Lifecycle (SDLC), Static Application Security Testing (SAST), Software Composition Analysis (SCA), Software Bill of Materials (SBOM), Security Information and Event Management (SIEM), Security Orchestration, Automation and Response (SOAR), GCP, Azure, Zero-trust, Data Loss Prevention (DLP)
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Security and Systems Engineer, Information Technology, Full-Time, Days
San Rafael, California, United States
$52-$78/hr OnsiteFull Time
3+ YOEBachelor's in CS preferred; 3+ years systems engineering/Windows admin/network experience; 1+ years cybersecurity experience; PowerShell, endpoint security, firewalls, intrusion detection knowledge; CompTIA A+; IAM and California Class C driver required.
PowerShell, anti-virus software, intrusion detection, firewalls, VPNs, DLP, FIM
1w
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Cleared Senior/Principal R&D Systems Engineer - System Security Engineering & Assurance, Onsite
Albuquerque or Livermore
$102k-$200k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5 years of relevant experience or equivalent; active DOE Q or equivalent clearance required. Experience in systems security engineering, risk assessment, requirements traceability, assurance documentation, and multidisciplinary engineering.
NIST SP 800-160 v1r1, SysML, UML, Cameo, MagicDraw, Risk Management Framework, NIST SP 800-53, SIGINT, IMINT, HUMINT
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Security Engineer
Berkeley, California, United States
$286k-$503k/yr HybridFull Time
Deep security fundamentals across systems, networks, cloud, and identity; offensive security/red teaming; AI/LLM engineering; strong AWS (IAM) knowledge.
AWS, EKS, Lambda, ECS, IAM, SQS, CloudWatch, SecurityHub, GuardDuty, PostgreSQL, Aurora, Pulumi, DataDog, Okta, Google Workspace, Tailscale, CrowdStrike Falcon, SIEM, Kubernetes
2mo
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Sr Staff Infrastructure Systems Engineer
Alameda, California, United States
$179k-$240k/yr OnsiteFull Time
12+ YOESenior-level infra engineer with 12+ years of experience, strong identity and endpoint management, network security, and automation skills.
Python, Bash, APIs, MDM (Intune, Jamf, Kandji), SAML/OAuth/SCIM, WireGuard, Zero Trust networking, Palo Alto / Juniper, AWS/GCP security tooling, Entra ID (Azure AD)
2w
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Senior Systems Engineer, Legal Systems
Livingston or New York City or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
5+ YOE5+ years supporting legal systems/CLM with Ironclad experience preferred; strong API/integration, workflow automation, analytics, security, and stakeholder communication skills.
Ironclad, Descartes, Brightflag, GenAI
1w
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Access Control & Video Surveillance – Systems Engineer II
Livermore, California, United States
HybridFull Time
5+ YOERequires 5+ years in physical security systems, hands-on configuration and integration testing, networking knowledge, technical documentation skills, and U.S. work authorization without sponsorship.
System Surveyor, Microsoft Excel, Google Sheets, Verkada, Avigilon, Milestone XProtect, Genetec Security Center, Omnicast, Avigilon Control Center, Verkada Command, Lenel OnGuard, HID, Allegion, Genetec Synergis, AMAG Symmetry, Avigilon Unity, NAS, SAN, APIs, FERPA, HIPAA, SOX
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Senior Software Engineer - Android Systems & Security
San Francisco or China
$272k-$283k/yr HybridFull Time
Expert in AOSP and TEE/ARM TrustZone, strong Java and C/C++ (JNI) skills, experience with Soong/Make and OEM/firmware integration, familiarity with secure boot/AVB, Python/Bash automation, and cross-border collaboration.
AOSP, TEE, Android Framework, HAL, Soong, Make, Java, C/C++, JNI, Kotlin, Secure Boot, AVB, Python, Bash, Qualcomm, MediaTek
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