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18 it security engineer jobs at 17 companies in Fairfield, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
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IT Security Engineer
San Diego or Denver or Boston or Rancho Cordova
$76k-$127k/yr HybridFull Time
Kleinfelder
Kleinfelder: Professional engineering, design, and construction management services.
7+ YOE7+ years information security; 5+ years AD/Azure AD with MFA/SSO; 3+ years security operations and SDLC integration; 2+ years security initiatives leadership; Bachelor's degree or equivalent.
SIEM, Active Directory, Azure Active Directory, MFA, SSO, CI/CD, Azure DevOps, Git, Terraform, ARM, Bicep, APIM, Power Platform
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Security Engineer, Corp IT
Austin or New York City or San Francisco or Seattle or United States
$218k-$252k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Hands-on experience securing corporate IdP, MDM, email, endpoints and SaaS; built detections and incident response; automating security controls in code; familiarity with identity-first security.
IdP, MDM, SSO, Okta, SIEM, SOAR, macOS, Windows
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3w
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Security Engineer (Corporate IT)
Berkeley or London or United States
$346k-$930k/yr OnsiteFull Time
Resolution
Resolution: Conducts research on aligning artificial superintelligence with human intent.
Build and own corporate IT security for a distributed research org; hands-on experience with endpoint management, IAM/Zero-Trust, email security, compliance (SOC 2/ISO 27001), and translating security requirements for researchers. Bachelor's degree or equivalent required.
MDM/EDR, CI/CD, Zero-Trust, multi-cloud, SOC 2, ISO 27001
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3w
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IT Security Operations Engineer
South San Francisco, California, United States
$150k-$190k/yr HybridFull Time
AKASA
AKASA: Develops AI-powered automation software for healthcare revenue cycle management.
4+ YOE4+ years in security operations or IT security. Experience with Okta and Google Workspace at scale, DLP across SaaS and endpoints, MDR/EDR tuning, AI/ML email security, scripting (Python, Go, TypeScript), and knowledge of HIPAA/HITRUST/SOC 2/ISO 27001. Incident response and on-call experience.
Google Workspace, Slack, GitHub, Jira, Confluence, Okta, Terraform, Kandji, Jamf, SecureW2, EAP-TLS, KnowBe4, Hoxhunt, Living Security, Abnormal, Material, Sublime, Proofpoint, Mimecast, DLP, MDR, EDR, Python, Go, TypeScript, LLM, HITRUST, HIPAA, SOC 2, ISO 27001
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2mo
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Head of IT & Security
Seattle or San Francisco
$175k-$220k/yr HybridFull Time
NexHealth
NexHealth: Connects patient experience software with electronic health records.
8+ YOE3+ Mgmt8+ years security experience; 3+ years leadership; builds security programs; handles audits; software engineering background.
SIEM, MDR, IDS/IPS, WAF, DLP, Vulnerability scanners
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2mo
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Head of IT & Security
San Francisco or Seattle
$175k-$220k/yr HybridFull Time
NexHealth
NexHealth: Connects patient experience software with electronic health records.
8+ YOE3+ Mgmt8+ years security experience with 3+ years in a leadership role; built security program; external audits end-to-end; software engineering background; hiring senior security/IT talent.
SIEM, MDR, IDS/IPS, WAF, DLP, Vulnerability scanners
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2mo
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IT Engineer
San Francisco, California, United States
OnsiteFull Time
Thunes
Thunes: Global infrastructure for real-time cross-border payments and collections.
5+ YOEProvide day-to-day IT support; 5+ years in fast-paced international environment; Jira/Confluence, JumpCloud; WinOS/MacOS; networking and security; English proficiency.
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2mo
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IT Systems Engineer
San Francisco, California, United States
$190k-$240k/yr OnsiteFull Time
Kikoff
Kikoff: A fintech focused on empowering financial security and scalable consumer financial products.
4+ YOE4+ years in systems engineering or related IT/security role; strong macOS fluency; hands-on MDM (Rippling, Jamf, Kandji); Okta administration; scripting (bash/Python); SaaS stack management; familiarity with AI tools.
Okta, Google Workspace, Slack, Rippling, Jamf, Kandji, MCP servers, Python, bash, Claude, Cursor, Codex
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3w
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Corporate IT Engineer
San Francisco, California, United States
$140k-$186k/yr OnsiteFull Time
Alembic
Alembic: AI-powered marketing attribution and revenue forecasting platform.
Experience owning corporate IT lifecycle, identity and device management (SSO, MDM, directory), internal support, and scripting/automation (Python, Bash). Security-minded with systems administration experience in fast-growing companies.
Okta, Google Workspace, Jamf, Intune, SSO, MDM, Python, Bash, NVIDIA DGX SuperPOD
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2mo
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Senior IT Engineer
San Francisco, California, United States
$137k-$169k/yr HybridFull Time
Drata
Drata: Automated security and compliance platform for businesses.
Manage identity, device, and network security infra; IAM governance; SaaS onboarding; collaborate with Security; MacOS expert; cloud experience; IaC and automation; AI tooling adoption.
MacOS, Okta, Ping, JAMF, Kandji, Fleet, AWS, GCP, Terraform, REST, SOAP, OAuth, GitOps, DNS, Firewalls, SaaS APIs, SAML, SSO
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2mo
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IT Infrastructure Engineer
Sacramento, California, United States
$100k-$130k/yr OnsiteFull Time
Terabase Energy
Terabase Energy: Digital and automation platform for utility-scale solar plants.
5+ YOE5+ years in IT infrastructure or OT infrastructure; Bachelor's in IT/CS/CE/EE; Windows Server, AD, virtualization, networking, and security experience.
Windows Server, Active Directory, Hyper-V, VMware, Networking, Firewalls, VPNs, Remote Access, NAS/SAN, Backup, Disaster Recovery
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3w
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IT Infrastructure Engineer & Sr. IT Infrastructure Engineer
Dublin, California, United States
$114k-$164k/yr OnsiteFull Time
Superior Court of California, County of Alameda
Superior Court of California, County of Alameda: Providing trial court services and legal dispute resolution.
2+ YOEBachelor's in IT or equivalent experience; 2+ years supporting infrastructure technologies (servers, networking, virtualization, cloud, email, telephony). Experience with Windows Server, Active Directory, cloud platforms, virtualization, and security best practices preferred.
Windows Server, Active Directory, DNS, DHCP, PowerShell, Microsoft Azure, Entra ID, Microsoft 365, Exchange Online, VMware vSphere, Nutanix AHV, Proxmox VE, MFA, SSO, ITIL/ITSM
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2mo
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IT Operations Engineer
Emeryville or Santa Clara
$150k-$180k/yr HybridFull Time
Atomic Machines
Atomic Machines: Develops AI-powered robotic platforms for autonomous micro-scale manufacturing.
5+ YOE5+ years IT/OT experience; BS in Computer Science; strong SaaS, Okta, networking, and security knowledge; willingness to travel between Emeryville and Santa Clara.
Google Workspace, Okta, Slack, Atlassian, Gitlab, VPN, Airtable, Tailscale, Meraki switches, Palo Alto Networks firewalls, PowerShell, Bash, Python
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2mo
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Senior Enterprise IT Engineer
New York or San Francisco
$170k-$200k/yr HybridFull Time
Imprint
Imprint: Provides-branded credit cards and loyalty platforms for consumer brands.
5+ YOE5+ years enterprise IT administration; identity management, device management, security; Okta/Azure AD/Rippling; MFA, VPNs; Windows/macOS/Linux
Okta, Azure AD, Rippling, MFA, VPN, Endpoint Security, Jamf, Intune, Google Workspace, Office 365, TCP/IP, DNS, DHCP, Windows, macOS, Linux
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1mo
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Partner 18, IT Engineer, San Francisco/Menlo Park
San Francisco or Menlo Park
$189k-$221k/yr HybridFull Time
Andreessen Horowitz
Andreessen Horowitz: Provides venture capital and support to technology startups.
6+ YOE6+ years in systems, networking, security, or IT infrastructure; strong macOS, Windows, iOS skills (Android preferred); experience with endpoint management (Jamf/Kandji/Intune), Okta, Google Workspace, Slack; cloud (AWS/GCP/Azure) and networking knowledge preferred; strong communication.
macOS, Windows, iOS, Android, Okta, Google Workspace, Slack, Jamf, Kandji, Intune, Zoom, Zoom Rooms, AWS, GCP, Azure
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1mo
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IT / DevSecOps Engineer Contractor
Alameda, California, United States
HybridContract
Rain
Rain: Autonomous aircraft software for early wildfire containment.
Part-time contract DevSecOps role for a student or recent graduate; 16-20 hrs/week; Linux, networking, Git; automation, security; remote with onsite in Alameda (hybrid).
Linux, Git, VPNs, TCP/IP, DNS, virtualization, containerization, infrastructure-as-code, configuration management
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2w
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IT Infra & Cloud Engineer
New York or Tel Aviv or San Francisco or Denver or London or Kyiv or Sydney or São Paulo or Tokyo
$80k-$110k/yr HybridFull Time
monday.com
monday.comNASDAQ: MNDY: Cloud-based work operating system for managing workflows and projects.
3+ YOE3+ years in global IT infrastructure and networking; experience with enterprise security, cloud platforms, SaaS admin, monitoring, Python scripting/automation, backup/DR, and infrastructure project delivery.
AWS, Azure, GCP, Google Workspace, Okta, Intune, Jamf, Palo Alto, Prisma Access, ZTNA, SASE, ThousandEyes, Slack, n8n, Workato, Python
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2w
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IT Specialist (APPSW) "Software Engineer", GS-2210-15 FPL GS-15 (Direct Hire) (Open Continuous)
San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle or Phoenix or Los Angeles or Miami or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin or Philadelphia or Dallas
$148k-$197k/yr OnsiteFull Time
Federal Student Aid
Federal Student Aid: Administers federal student loans and financial aid programs.
1+ YOESenior software engineering experience leading design and delivery of large-scale, secure applications; must meet GS-15 specialized experience equivalent to GS-14; US citizenship and background check required.
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