12 security software engineer jobs at 6 companies in Modesto, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3w
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Senior Software Engineer - AI Tools
Pleasanton or Seattle
$176k-$264k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
5+ YOE5+ years software engineering (3+ backend/platform), proficiency in Python or TypeScript, experience with LLM APIs (OpenAI, Anthropic), AI security and responsible AI practices, Kubernetes/Docker, cloud deployment, and strong communication.
Python, TypeScript, OpenAI, Anthropic, MCP, Claude, ReAct, Kubernetes, Docker, REST APIs, SSO
1mo
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Principal Software Engineer - Core Platform Integration
Pleasanton, California, United States
$223k-$334k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOE12+ years in software and infrastructure engineering with deep AWS and GCP experience; expertise in Kubernetes, Terraform/Terragrunt, Go/Python, observability, CI/CD, multi-cloud migrations, security fundamentals; bachelor's preferred.
Claude Code, Cursor, Augment, Go, Python, Kubernetes, EKS, GKE, Calico, Istio, Terraform, Terragrunt, Prometheus, Grafana, OpenTelemetry, GCP Operations Suite, BigQuery, ArgoCD, Flux, GitHub Actions, GitLab CI, Jenkins, Harness, Aurora, Cloud SQL, Spanner
3w
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Software Development Engineer - AI Tools
Pleasanton, California, United States
$148k-$222k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
3+ YOE3+ years software engineering experience; backend/dev tooling in Python or TypeScript; familiarity with LLM APIs and prompt engineering; AI security/responsible AI knowledge; cloud, container, API, and observability experience.
Python, TypeScript, LLM APIs, MCP, REST APIs, Docker, Kubernetes, OAuth, SSO, API keys, AWS, GCP, Azure, CI/CD, Slack
3mo
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Temporary Development, Security, and Operations Engineer
Silicon Valley or New York or Boston or San Francisco or Washington, D.C. or Seattle or Santa Monica
$126k-$189k/yr HybridFull Time
Fenwick & West
Fenwick & West: Legal services for technology and life sciences companies.
3+ YOETemporary DevSecOps engineer with 3+ years in DevOps/DevSecOps, Git-based workflows, Azure DevOps, Azure, and security tooling. bachelor’s degree preferred.
Git, Azure DevOps, Microsoft Azure, Terraform, Bicep, Docker, Snyk, Microsoft Defender
1mo
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Compliance Engineer
Livermore, California, United States
$102k-$116k/yr OnsiteFull Time
Topcon Positioning Group
Topcon Positioning GroupTokyo Stock Exchange: 7732: Sells precision positioning and workflow automation for industrial sectors.
3+ YOEBachelor’s degree in Electronics, Information Systems, Engineering, or related field; 3+ years in compliance, security engineering, risk management; familiarity with CE, RED, FCC, ANATEL; cybersecurity and certification experience.
Hardware, Software, Cybersecurity, Risk Assessment, Documentation
2mo
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Control Systems Engineer
Livermore, California, United States
$146k-$223k/yr OnsiteFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
0+ YOEBachelor’s degree in Electrical Engineering or related field; experience in control systems hardware/software; DOE Q security clearance; on-site work.
LabVIEW, SCADA, HMI, PLC, Data Acquisition, Industrial Control Systems
1w
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Full Stack Engineer - ACTIVE SECURITY CLEARANCE REQUIRED
Livermore, California, United States
$146k-$186k/yr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Active DOE Q-level or Top Secret clearance required, bachelor’s in computer/engineering or equivalent, experience with relational databases, web architecture, ML for text/image, and SDLC tools; strong communication and ownership skills.
Elasticsearch, Java, Angular, TypeScript, Node.js, Python, Kubernetes, Oracle, MySQL, CI/CD, ML, NLP
2mo
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Power Grid Dynamics Engineer - Lead
Livermore, California, United States
$176k-$267k/yr HybridFull Time
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Master’s degree in Engineering or Computer Science; DOE Q-level security clearance eligibility; experience with power grid dynamics software; strong communication and leadership abilities.
PowerWorld, PSS/E, PSCAD, PowerFactory, GridDyn
1w
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Senior/Principal R&D Digital Systems Security, Hybrid
Albuquerque or Livermore
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's plus 5 years relevant experience (or equivalent), ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and familiarity with secure-system design and verification.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly, ASIC, FPGA, NIST, CNSS
1w
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Senior/Principal R&D Digital Systems Security, Hybrid
Livermore, California, United States
$140k-$281k/yr HybridFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
5+ YOEBachelor's +5 years or equivalent experience in digital systems security, ability to obtain DOE Q-level clearance, expertise in hardware/software security, formal methods, and programming; strong communication skills.
RocQ, Lean, C, C++, Java, Python, Rust, Assembly
1mo
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Senior/Principal R&D Systems Engineer - Special Programs, Onsite
Livermore, California, United States
$140k-$281k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
5+ YOEBachelor's degree + 5 years relevant experience (or equivalent); ability to obtain DOE Q-level security clearance with SCI; systems engineering, requirements, testing, IT/software architecture, and data analysis skills; ability to work onsite in Livermore, CA.
1mo
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Staff Systems Architect
Pleasanton, California, United States
$145k-$200k/yr OnsiteFull Time
GILLIG
GILLIG: Designs and manufactures heavy-duty transit buses for public transportation.
8+ YOEBachelor's or advanced degree in engineering, minimum 8 years engineering experience in automotive/commercial/heavy-duty vehicle development, expertise in systems engineering, requirements/configuration management, software/controls architecture, functional safety, cyber security, and hands-on troubleshooting.