33 security systems engineer jobs at 25 companies in Dixon, CA
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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
1mo
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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
1mo
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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
3w
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Security Engineer
Fair Oaks, California, United States
$35-$50/hr HybridFull Time
3+ YOE3+ years IT security or systems administration experience; strong Microsoft 365/Entra ID and Active Directory knowledge; hands-on security tooling and vulnerability management; troubleshooting and client communication skills.
Microsoft 365, Entra ID (Azure AD), Active Directory, PowerShell, Graph API, SIEM, Microsoft Defender, Huntress, Duo
1mo
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Senior Security Engineer - AI Security & Platforms
San Ramon or Reno
$164k-$205k/yr OnsiteFull Time
4+ YOE4+ years in application/cloud/security engineering, experience securing AI/LLM systems, proficiency in at least one high-level language (Python preferred), strong communication and driving remediation, US work authorization required.
Python, Kotlin, TypeScript, AWS, Terraform, Claude Code, Cursor
1mo
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Senior Staff Security Engineer
Berkeley, California, United States
$170k-$223k/yr OnsiteFull Time
10+ YOE10+ years cyber security experience; systems programming in C/C++/Rust; applied cryptography; hardware root-of-trust, secure boot, HSM/HSE/TPM integration; formal verification and threat modeling.
C, C++, Rust, Go, HSM, HSE, TPM, Delay-Disruption Tolerant Networking (DTN), Bundle Protocol, NERC CIP, NIST IR 7628, NIST SP 800-160
2w
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Senior Infrastructure & Security Engineer
Rancho Cordova or Sacramento
$150k-$160k/yr OnsiteFull Time
7+ YOERequires 7+ years in systems, infrastructure, networking, or cybersecurity; Microsoft 365, Entra ID, Defender, networking, Cisco or Meraki, troubleshooting, documentation, and independent initiative.
Cisco Meraki, Cisco Umbrella, Duo MFA, Microsoft Defender, Microsoft Entra ID, Microsoft 365, Microsoft Intune, Azure, Jira Service Management, ITIL, eSentire, RBAC, SD-WAN, VPN, VLANs, SOC
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Senior Linux Engineer, Privileged Access
United States or Chicago or El Dorado Hills
RemoteFull Time
7+ YOERequires 7+ years of software or systems engineering, advanced Linux systems programming, C and Rust, PAM, .NET, security-sensitive software, Linux operations, and a bachelor's degree or equivalent experience.
Rust, C, .NET, C#, Tokio, MQTT, TLS, fanotify, proc filesystem, Linux PAM, systemd, RPM, DEB, journalctl, SELinux, AppArmor, GCC, Make, X11, Wayland, GDM, D-Bus, PKI, Avalonia, Claude, ChatGPT, GitHub Copilot
2mo
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Sustaining Engineer
Rancho Cordova, California, United States
$78k-$104k/yr OnsiteFull Time
Bachelor's in engineering or related field, hands‑on manufacturing and troubleshooting experience with electro‑mechanical/RF systems, RCA experience, experience in high‑reliability industries, U.S. citizenship and ability to obtain government security clearance required.
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering/IS,10+ years experience,proficiency in Python/Java/Golang/JavaScript,cloud security and systems design expertise,strong communication and mentoring skills.
Python, Java, Golang, JavaScript
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's in CS/engineering/IS (or related),typically 10+ years experience, strong programming in Python/Java/Golang/JavaScript, cloud security and systems design expertise, leadership and mentoring experience.
Python, Java, Golang, JavaScript
2mo
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Tech Staff Engineer - Firmware
Roseville, California, United States
$88k-$232k/yr OnsiteFull Time
10+ YOEBS/MS in CS/CE or equivalent, 10+ years embedded systems development and verification, strong C/C++/Python, experience with PCIe/NVMe, secure boot/security firmware, leadership and documentation skills.
C, C++, Python, Rust, ARM Architecture, NVMe, PCIe, Caliptra Open-Source Root-of-Trust, Cadence Palladium, Cadence Protium, Bus/Logic Analyzers, PCIe Exercisers, Git, Perforce, JIRA, Linux, Perl, Agile Scrum, DevOps, Secure Development Life Cycle
1mo
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Network Engineer
Woodland or Burlington
$110k-$125k/yr OnsiteFull Time
5+ YOEManage and maintain enterprise network and infrastructure, ensure security and availability, support projects, document systems, and troubleshoot issues.
Microsoft Windows Server, Microsoft Terminal Server, Windows 10/11, Microsoft Exchange, Microsoft Office 365, Microsoft Active Directory, Microsoft Entra, Microsoft Group Policies, VMware, Microsoft Hyper V, DHCP, DNS, TCP/IP, VPNs, SIEM, MDM
2mo
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
1mo
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IT Infrastructure Engineer
Petaluma or Denver
$120k-$145k/yr HybridFull Time
8+ YOE8+ years in IT support/systems administration in Microsoft 365 environments; expertise with endpoint security, networking, Azure/on‑prem infrastructure, documentation, and incident response.
Entra, Intune, Veeam, VMware vCenter, Windows Server, Azure Files, Cloudflare One, Unifi, Cisco, SentinelOne, KnowBe4 Defend, Deep Seas, Microsoft 365, Microsoft Defender for Endpoint, Cloudflare WARP, AWS EC2, Jira
1mo
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Senior Software Engineer - Backend
San Ramon or California
$120k-$180k/yr HybridFull Time
5+ YOE5+ years backend engineering with Node.js and TypeScript, experience with PostgreSQL and MongoDB, AWS and Docker, production ownership, API and systems design, observability, and secure coding practices.
Node.js, TypeScript, PostgreSQL, MongoDB, AWS, Docker, Redis, EC2, Lambda, RDS, S3, SQS, Kafka, RabbitMQ, Datadog, CloudWatch, New Relic, OAuth 2.0, JWT
3mo
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Senior Research Engineer - Voleon Securities
New York City or Berkeley
$225k-$310k/yr HybridFull Time
5+ YOE5+ years software engineering; backend/distributed systems; Python/Go/C++; databases and APIs; strong collaboration.
Python, Go, C++, PostgreSQL, MySQL, Cassandra, DynamoDB, SQLite, DuckDB, MongoDB, REST, gRPC
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Cloud Developer and Database Administrator
Sacramento County or Sacramento
$9k-$12k/mo HybridFull Time
Requires Information Technology Specialist II qualifications, cloud architecture and development expertise, database administration, systems engineering, security, data management, and strong analytical and communication skills.
AWS, Azure, APIM, Azure Data Factory, Azure App Services, Azure Functions, Azure Logic Apps, Azure DevOps, Azure Monitor, Application Insights, Snowflake, Databricks, SQL Server, Power BI, Windows Server, Visual Studio, ASP.NET, C#, Python, PowerShell, Kusto, SQL
1mo
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Senior Business Development Engineer (Radar Test & Evaluation (Defense))
Santa Rosa, California, United States
$134k-$246k/yr OnsiteFull Time
5+ YOEBachelor's in EE/Physics/Systems Engineering,5+ years in radar or RF and 5+ years in business development within aerospace & defense,proven capture wins,travel up to 40%,security clearance preferred.
2mo
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System Infrastructure / Platform Engineer, HPC Technology Department
Berkeley, California, United States
$139k-$268k/yr HybridFull Time
8+ YOESenior-level Linux/HPC systems engineering experience (typically 8+ years), mastery of Linux, 4+ years managing large-scale Linux deployments, proficiency with bash and Python, containers, virtualization, cloud, storage, parallel filesystems, networking, DevOps, automation, and security.
Linux, bash, Python, Slurm, Kubernetes, Docker, Proxmox, VMware, AWS, Azure, GCP, identity and access management, iSCSI, NAS, Lustre, GPFS, VAST, InfiniBand, Slingshot, RoCE, strace, lsof, ebpf, gdb, Gitlab, Jira, Chef, Foreman, Terraform, Ansible, Puppet, Perlmutter, Spin Kubernetes platform, Cray, HPE, CSM, COS, Scrum, Kanban