3,942 security jobs at 1,126 companies in Union City, CA

2mo
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Security Engineer
San Francisco, California, United States
OnsiteFull Time
Assort Health
Assort Health: Automating healthcare call centers with specialty-specific AI agents.
2+ YOE2-4 years security experience; generalist security; cloud security focus; strong collaboration with product, infra, and security teams; San Francisco-based, in-office 4 days.
Cloud platforms, Scripting, Security tooling
2mo
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Senior Security Engineer
San Francisco, California, United States
$160k-$190k/yr OnsiteFull Time
Cobalt AI
Cobalt AI: Provides autonomous indoor security robots and remote AI monitoring.
5+ YOE5+ years in security engineering or IT security; experience with endpoint security, SOC 2, audits; cloud security; scripting in Python or Bash.
EDR, Vulnerability Management, SIEM, SOC 2, Cloud Security, Python, Bash
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Security Guard 1
San Jose, California, United States
$17-$20/hr OnsitePart Time
The Plex
The Plex: Operates a multi-sport, fitness, and family entertainment complex.
0+ YOEHigh school diploma or equivalent; experience as security guard; knowledge of security procedures; excellent communication; able to handle emergencies; basic computer skills; security guard license/certification.
surveillance software, security cameras, security systems
2mo
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Staff Security Engineer
Seattle or Mountain View
$189k-$274k/yr HybridFull Time
Aurora
AuroraNASDAQ: AUR: Developing autonomous driving technology for trucking and passenger mobility.
12+ YOE12+ years in enterprise security engineering; coding in security context; build and integrate security platforms; cross-functional leadership.
Go, Python, EDR, XDR, IAM, DLP, SaaS Security, Cloud Security, PKI, SIEM
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Director, Security Engineering
San Francisco, California, United States
$260k-$340k/yr OnsiteFull Time
Ripple
Ripple: Provides blockchain solutions for global payments and liquidity.
12+ YOE5+ Mgmt12+ years in security engineering with 5+ years in leadership; cloud security (AWS/GCP/Azure); cryptographic principles; secure coding; OAuth/SAML/OIDC; IT security; threat modeling; strong communication; proven leadership.
Cloud Platforms, Security Architecture, Cryptography, OWASP Top 10, OAuth, SAML, OIDC, Endpoint Security, Network Security, IAM
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Product Security Engineer
San Francisco or New York or Seattle
$187k-$260k/yr HybridFull Time
Airtable
Airtable: No-code platform for building collaborative apps and business workflows.
4+ YOE4+ years in product/application security; strong CS background; proficient in JavaScript/TypeScript, Node.js; experience securing LLM integrations; strong communication of security risks; thrives in fast-paced environments.
JavaScript, TypeScript, Node.js, Web Frameworks, Security tooling
1mo
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Security Engineer, Application Security
San Francisco, California, United States
$200k-$325k/yr OnsiteFull Time
Serval
Serval: AI platform for automating IT and enterprise service workflows.
10+ YOE10+ years in cybersecurity with deep expertise in application security, secure SDLC, vulnerability management, secure cloud-native architecture, leadership experience, and strong software engineering skills.
SAST, DAST, SCA, secrets scanning, fuzzing, CI/CD
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Security engineer, application security
San Francisco or New York City
$119k-$210k/yr HybridFull Time
Writer
Writer: Platform for building and deploying enterprise generative AI agents.
4+ YOE4+ years in application security; strong coding in Python/Java/Go/JavaScript/TypeScript; SAST/DAST in CI/CD; threat modeling; secure SDLC; security reviews; automation.
Python, Java, Go, JavaScript, TypeScript, SAST, DAST, CI/CD, DevSecOps
4d
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Security
Stockton, California, United States
$16-$18/hr OnsiteFull Time
Rainbow Shops
Rainbow Shops: Retailer of affordable women's, juniors', and children's clothing.
1+ YOE1+ years retail security experience, must hold a security guard license; strong interpersonal, multitasking, organizational skills, punctuality, and attention to detail.
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Senior Security Engineer - Data Security
San Francisco or New York City or London or Sydney
$175k-$220k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
5+ YOE5+ years security engineering/data security experience, Bachelor’s or Master’s in CS or similar, strong software engineering skills, hands-on SaaS/cloud/endpoint/data platform security, experience with DLP/DSPM/SSPM/SIEM, and experience leveraging AI for security.
SIEM, UBA, DSPM, SSPM, DLP, Snowflake, Databricks, BigQuery, Redshift, LLMs, SQL, Python
5d
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Senior Security Engineer - Product Security
San Francisco or New York City
$100k-$300k/yr OnsiteFull Time
Cogent Security
Cogent Security: Autonomous AI agents for enterprise vulnerability remediation.
5+ years security engineering experience in application/product security, secure SDLC, threat modeling, code scanning, supply-chain security, strong software engineering skills, and familiarity with modern AI security concerns.
Python, Go, TypeScript, SAST, DAST, CI/CD
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Security Engineer, Corporate Security
San Francisco, California, United States
$130k-$220k/yr HybridFull Time
Persona
Persona: Provides identity verification and fraud prevention software for businesses.
3+ YOE3+ years in IT security or enterprise security; macOS endpoints, MDM, and EDR experience; endpoint hardening; DLP and insider threat experience; email security basics; scripting in Python/Ruby/Bash; SQL; strong communication; startup experience preferred.
macOS, MDM, EDR, Python, Ruby, Bash, SQL
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Security Engineer, Corporate Security
San Francisco or New York
$220k-$260k/yr HybridFull Time
Notion
Notion: Provides a unified workspace for notes, documents, and project management.
Hands-on security engineering experience securing identity (Okta, Google Workspace), endpoints (MDM, EDR), and SaaS; automation using Python and Terraform; support for SOC 2 and ISO 27001 compliance.
Okta, Google Workspace, MDM, EDR, SSPM, SCIM, SSO, OAuth, Python, Terraform, SOC 2, ISO 27001, Model Context Protocol (MCP)
1w
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Senior Security Engineer, Enterprise Security
Chicago or New York City or Austin or Berlin or Bucharest or Dubai or Jakarta or London or Paris or San Francisco or São Paulo or Singapore or Seoul or Sydney or Tokyo
$129k-$180k/yr HybridFull Time
Braze
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
5+ YOE5+ years security engineering experience, 3+ years in corporate security, hands-on endpoint, network, IAM, SSO, MDM, CrowdStrike EDR, SIEM, forensics, and SaaS security experience.
Crowdstrike EDR, SIEM, IAM, SSO, MDM
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Security Researcher, Agentic AI Threats
San Francisco, California, United States
$293k-$405k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Strong security, systems, and software engineering skills; cloud, OS, containers, and CI/CD experience; ability to design security controls and run evaluations; collaborate with stakeholders.
Cloud, Containers, CI/CD, Operating Systems, Security Tools, Penetration Testing
1mo
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Security Engineer, Enterprise Security
San Francisco, California, United States
$124k-$155k/yr HybridFull Time
Turo
Turo: Marketplace for renting cars directly from local owners.
3+ YOE3+ years enterprise security experience with email security, DLP, endpoint protection, identity governance; scripting in Python or PowerShell; familiarity with Terraform, GitOps, and AWS; SOX/SOC 2 compliance knowledge; industry certs a plus.
CrowdStrike, Kandji, Okta, Terraform, Python, PowerShell, AWS, GitOps, DLP, SOC 2, SOX
1w
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Security Engineer
San Francisco, California, United States
$200k-$230k/yr OnsiteFull Time
LiteLLM
LiteLLM: Open-source AI gateway for standardizing LLM API access.
Startup security engineering experience with hands-on offensive/white-hat hacking, application and CI/CD security, demonstrated security projects and CTF success.
Python, GitHub, OpenAI, CI/CD
2w
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Security Engineer
San Francisco, California, United States
$175k-$225k/yr OnsiteFull Time
Echo Neurotechnologies
Echo Neurotechnologies: Developing brain-computer interface technologies to improve patient autonomy.
Expertise in cloud and device security, cryptography, threat modeling, security automation, and cross-functional leadership; familiarity with regulatory and medical device security practices.
AWS, Azure, GCP, BLE, Wi‑Fi, USB, PKI, HTTPS/TLS, ECDH, ECDSA, AES-GCM, STRIDE, CVSS, NIST NVD, CISA KEV, Python, Bash, PowerShell
1w
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Staff Security Engineer - AI Security & Platforms
San Ramon or Reno
$205k-$256k/yr OnsiteFull Time
Ridgeline
Ridgeline: Cloud-native platform for investment management operations.
8+ YOE8+ years in application, cloud, or security-focused software engineering; demonstrated depth in secure code review, cloud security or security-focused development; hands-on AI/LLM experience; strong communication and architectural judgment.
Python, Kotlin, TypeScript, AWS, Terraform, Claude Code, Cursor, MCP
1mo
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Security Engineer
San Jose, California, United States
$150k-$300k/yr OnsiteFull Time
Hark
Hark: An artificial intelligence developing multimodal models and next-generation AI hardware and software.
4+ YOE4+ years security engineering experience with cloud security (AWS/GCP, IAM, Kubernetes), detection engineering, incident response, and IaC review (Pulumi/Terraform); interest in LLM/agent security.
AWS, GCP, EKS, IAM, Kubernetes, Pulumi, Terraform, Infrastructure as Code (IaC), Large Language Model (LLM), Tailscale, Cloudflare, HashiCorp Vault, Wiz, Orca, Datadog, Snyk