40 security operations engineer jobs at 31 companies in Fontana, CA

4w
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Security Engineer
Los Angeles, California, United States
OnsiteFull Time
LENS
LENS: AI-powered technology for real-time traffic accident prevention.
Design, implement, and operate end-to-end security for cloud-native platforms; lead FedRAMP/GovRAMP compliance; perform threat modeling, appsec, and incident response; partner with engineering teams.
GCP, AWS, Azure, KMS, OWASP ZAP, OX suites, SIEM, Splunk, GSO
4w
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Staff Security Operations Engineer
Irvine, California, United States
$125k-$207k/yr HybridFull Time
Sandisk
SandiskNasdaq: SNDK: Designs and manufactures flash memory and data storage products.
6+ YOE6+ years in IT/InfoSec with 3+ years hands-on Microsoft Entra ID (Azure AD) experience; BA/BS in related field (or equivalent experience); familiarity with Duo MFA, Windows Hello, Intune, AD, PowerShell, Microsoft Graph; relevant certifications desirable.
Microsoft Entra ID (Azure AD), Microsoft Entra Connect (Azure AD Connect), Duo MFA, Windows Hello for Business, Microsoft Intune, PowerShell, Microsoft Graph, Python, Devo, SIEM
2mo
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Senior IT & Security Operations Engineer
Irvine, California, United States
OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
5+ YOESenior IT/infosec operations engineer with 5+ years in startup IT, strong Linux/macOS, endpoint management, networking, cloud/SaaS admin, EDR, and SOC2/ISO27001 experience.
JumpCloud, Google Workspace, GitHub, AWS, Jira Cloud, SSO/SAML/OIDC, SCIM, IAM
1mo
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Spacecraft Operations Engineer II/Senior
Long Beach, California, United States
$86k-$125k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOEBachelor's in engineering, 2+ years (Engineer II) or 5+ years (Senior) of spacecraft/ground systems or operations experience, software development experience (Python/Ruby/C/C++), and active U.S. government security clearance with TS eligibility.
Python, Ruby, C, C++, GIT, CI/CD, cloud infrastructure, flatsat, HITL, Software-in-the-Loop (SIL), Hardware-in-the-Loop (HIL)
2w
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Microsoft Security Engineer
Los Angeles, California, United States
$170k-$230k/yr OnsiteFull Time
Cornerstone Concilium
Cornerstone Concilium: Provides engineering and technology consulting for large-scale infrastructure projects.
8+ YOE8+ years designing and operating enterprise Microsoft 365 and Azure environments; expert M365/Azure, identity and security controls; PowerShell proficiency; experience with NIST/CIS frameworks.
Microsoft 365, Azure, Entra ID (Azure AD), Entra Connect, Conditional Access, PIM, Microsoft Defender for Cloud, Defender for Servers, Microsoft Sentinel, Azure Monitor, PowerShell, Microsoft Graph, Exchange Online, SharePoint Online, OneDrive, Teams, Active Directory, Windows Server, Microsoft Sentinel, Defender XDR, Purview, Intune, GitHub, Azure DevOps
1w
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Envista Security Operations & Engineering Lead (Brea, CA)
Brea, California, United States
$156k-$191k/yr OnsiteFull Time
Envista
EnvistaNYSE: NVST: Manufactures and sells a comprehensive range of dental products.
7+ YOE5+ Mgmt7+ years cybersecurity experience, 5+ years leading security operations or SOC teams; experience with SIEM, cloud security, incident response, detection engineering; bachelor’s or equivalent; strong executive communication.
Microsoft Sentinel, Splunk, QRadar, Chronicle, SIEM, SOAR, EDR/XDR, CSPM, DLP, Azure, AWS, GCP, MITRE ATT&CK
1mo
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Security Operations Manager
Torrance or Los Angeles
OnsiteFull Time
Northwood Space
Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.
5+ YOE5+ years SOC/incident response experience with SIEM, EDR, detection engineering, digital forensics, threat hunting, Python/PowerShell/Bash automation, and ability to obtain TS/SCI; U.S. citizen or lawful permanent resident required.
Volatility, YARA, Python, PowerShell, Bash, SIEM, EDR, UEBA, SOAR, FortiGate, Cloudflare Zero Trust, Okta, CrowdStrike, SentinelOne, Proofpoint, Sublime Security, AWS GovCloud, Microsoft GCC, MITRE ATT&CK, Diamond Model, NIST 800-171, CMMC, DFARS
3w
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Fire & Security Solutions Operations Manager
Cypress or Los Angeles
$113k-$193k/yr OnsiteFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
10+ YOE10+ years operations experience in project-based or solutions engineering environments; financial acumen; partner with sales and PMO; valid driver's license and age 21+; legally authorized to work in the US.
9h
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Machine Learning Operations Engineer
Irvine, California, United States
$102k-$191k/yr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
2+ YOEBachelor's degree or equivalent training, 2–3 years of experience, Linux server administration and security experience, analytical and communication skills, and prior research experience.
Linux, Python, R, CUDA, Jupyter, Docker
2mo
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Security Engineering Manager
Mounds View or Fort Worth or Fridley or Lafayette or Irvine or Memphis or Jacksonville or Boston
$134k-$202k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
5+ Mgmt5+ years leadership; 10+ years technical security; experience in enterprise security, architecture, and operations; strong security governance and vendor management.
Security engineering, Cloud security, Security architecture, Governance and compliance
3w
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DevSecOps Engineer
Los Angeles, California, United States
$150k-$160k/yr HybridFull Time
Renesas Electronics
Renesas ElectronicsTokyo Stock Exchange: 6723: Designs and manufactures semiconductors for automotive and industrial systems.
7+ YOE7+ years in DevOps/SRE or infrastructure engineering, bachelor\u0002s in CS or equivalent, deep AWS and Kubernetes expertise, PostgreSQL operations, Terraform, Docker, GitHub Actions, strong security and systems-thinking skills.
DuploCloud, GitHub Actions, Kubernetes, PostgreSQL, Terraform, Docker, AWS, EKS, ECS, RDS, S3, IAM, VPC, CloudWatch, GovCloud, NATS, Redis, Kafka, Datadog, PostHog, Sentry
3w
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
1mo
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Gen AI Infrastructure Engineer
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yr HybridFull Time
Bessemer Trust
Bessemer Trust: Wealth management and family office services for affluent clients.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
AWS Bedrock, AgentCore, Lambda, API Gateway, AWS CDK, CloudFormation, Terraform, Bitbucket Pipelines, GitHub Actions, OIDC, IAM, VPC, CloudWatch, SSM, Secrets Manager, ECR, Neo4j, Neptune, Redis, Milvus, VectorDB
1mo
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Field Operations Specialist
El Segundo or Los Angeles or Hawthorne or San Francisco or San Diego or Seattle or Washington or London
$35-$58/hr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOE3+ years supporting military/government/enterprise tech; strong hardware, software, and networking troubleshooting; ability to obtain or hold U.S. security clearance; proficiency with Microsoft Office and communication tools; willingness to travel ~50%.
Coherent Distributed Networks (CDN™), Microsoft Office, Slack, Microsoft Teams, Zoom
1mo
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Integration and Test Engineer (Iron Bird), Omen
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEBachelors in engineering, 5+ years building and operating HIL/HITL/Iron Bird environments, experience with dSPACE/NI/Speedgoat, DAQ, CAN/Ethernet/Serial, safety with high-voltage systems, strong communication, eligible for security clearance.
dSPACE, NI, Speedgoat, Lattice OS, DAQ, CAN, Ethernet, Serial, CLI
6d
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Fire and Security Field Engineer Supervisor, West Region
Los Angeles, California, United States
$96k-$120k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
3+ YOE3+ years operations/field services experience; supervisory experience preferred; strong planning, logistics, communication, and problem-solving skills; familiarity with field engineering and service workflows.
CRM, artificial intelligence (AI)
3w
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Director, Technical Lead Forward Deployed Engineer
Santa Clara or Irvine
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
10+ YOE5+ Mgmt10+ years shipping production secure software systems with ML/AI and cloud experience; bachelor’s in science/engineering; 5+ years hands-on leadership; portfolio/GitHub; strong communication and problem-solving; travel may be required.
Claude Code, Lovable, Cursor, Azure, GCP, AWS, GitHub
2w
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Staff Software Engineer, Frameworks
Mountain View or Los Angeles or San Francisco
$210k-$250k/yr HybridFull Time
Commure
Commure: AI-powered software platform for healthcare workflow and administrative automation.
8+ YOE8+ years software engineering experience designing and operating secure, scalable authentication/authorization and distributed backend systems; experience with Kubernetes and cloud-native infrastructure; strong technical leadership and mentorship.
OAuth 2.0, OIDC, JWT, AWS Cognito, Python, FastAPI, Pydantic, PostgreSQL, Go, Kubernetes
1mo
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IT Systems Engineer II
La Mirada or United States
$58-$67/hr HybridFull Time
Biola University
Biola University: Private Christian university providing undergraduate and graduate degree programs.
2+ YOE2+ years systems engineering (3+ IT experience preferred). Expertise in Linux/Windows/macOS administration, cloud platforms (AWS, Azure), containerization (Kubernetes), GitOps, Ansible, identity and endpoint management, automation/IaC, security best practices, and use of AI for operational tasks.
Linux, Windows, macOS, iOS, Kubernetes, Google Workspace, Zoom, Microsoft 365, AWS, Azure, GitOps, Ansible, Entra ID, Intune, SCCM, Jamf
6d
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Staff AI Platform & Reliability Engineer
Santa Ana, California, United States
$172k-$220k/yr OnsiteFull Time
eJam
eJam: Builds and scales direct-to-consumer e-commerce brands.
Senior Python/GCP engineer to design and operate AI generation services, provider integrations, billing/usage metering, tenant security and platform reliability.
Python 3.12, FastAPI, Pydantic, asyncio, Cloud Run, Pub/Sub, Cloud Tasks, GCS, Firestore, Cloud SQL/Postgres, SQLAlchemy, Alembic, Terraform, IAM/OIDC, Secret Manager, CI/CD, NestJS, TypeScript, Claude Code, Codex, Cursor

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