Results for Systems Security Engineer Jobs in San Mateo, CA

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Systems/Infrastructure Engineer

Petaluma, CA
onsite
Permanent / Full Time
110000 - 135000 USD / Yearly
A growing private aviation services organization is seeking a Senior Systems / Infrastructure Engineer to support and secure its enterprise infrastructure, cloud platforms, and business-critical systems. This is a hands-on role responsible for administering Microsoft technologies, Azure cloud environments, virtualization platforms, networking, and security tools while driving infrastructure modernization and operational excellence.What You'll OwnMicrosoft 365, Azure administration and migrations, Active Directory, Entra ID, VMware/Hyper-V, infrastructure modernization, security tools, and identity management. Networking experience is important but serves as a supporting component of the role rather than the primary focus.Role FocusThis position is primarily centered on systems administration and infrastructure engineering, with significant responsibility for Azure administration, cloud implementations, migrations, and hybrid environments. You'll work across Microsoft technologies, virtualization, identity management, and security platforms while helping drive modernization initiatives throughout the organization. Security operations and network administration are important aspects of the role, but deep network architecture is not the primary focus.Key ResponsibilitiesInfrastructure & Cloud Administration<ul><li>Administer and support Microsoft 365, Entra ID (Azure AD), Active Directory, Windows Server, Group Policy, and hybrid cloud environments.</li><li>Lead and support Azure administration, implementation, migration, and optimization projects.</li><li>Design, deploy, and maintain Azure cloud services, hybrid identity solutions, and cloud-based infrastructure.</li><li>Manage VMware and Hyper-V environments, enterprise servers, storage, backups, and core infrastructure.</li><li>Implement patching, monitoring, system hardening, and infrastructure best practices.</li></ul>Network Administration<ul><li>Manage and troubleshoot enterprise LAN/WAN environments.</li><li>Support switches, routers, firewalls, VPNs, wireless infrastructure, and network segmentation.</li><li>Ensure high availability, performance, and reliability across on-premises and cloud environments.</li></ul>Security & Identity Management<ul><li>Administer Okta, MFA, identity governance, privileged access, and user lifecycle management.</li><li>Support SIEM, EDR, vulnerability management, endpoint security, IDS/IPS, and security monitoring platforms.</li><li>Perform vulnerability remediation, risk reduction, and security hardening initiatives.</li><li>Implement Zero Trust security principles and secure access controls.</li></ul>Incident Response & Compliance<ul><li>Participate in security incident response, investigation, root cause analysis, and remediation efforts.</li><li>Support compliance initiatives related to NIST, CIS, SOC 2, GDPR, and CCPA.</li><li>Maintain technical documentation, infrastructure diagrams, runbooks, and operational procedures.</li></ul>
2026-10-07T00:00:00Z

Security Analyst

Petaluma, CA
onsite
Temporary / Contract
50 - 55 USD / Hourly
We are looking for a Security Analyst to join our aviation client in a contract position based onsite in Petaluma, California. This role is ideal for an experienced security specialist who can strengthen daily security operations, investigate threats, and help protect cloud, identity, and endpoint environments. You will work closely with technical partners across IT and security to reduce risk, improve response readiness, and support compliance-focused initiatives. Responsibilities:• Lead the response to security events by containing threats, gathering evidence, escalating issues when needed, and documenting outcomes for follow-up review.• Oversee identity and access activities, including user access reviews, permission governance, and control validation across enterprise systems.• Analyze suspicious authentication activity, compromised accounts, phishing attempts, and other indicators of malicious behavior to determine impact and next steps.• Coordinate vulnerability follow-up efforts with IT teams to drive remediation progress and reduce exposure across the environment.• Track endpoint protection health, device compliance status, and broader security posture to identify gaps requiring attention.• Examine privileged account usage, network security logs, and web access controls to detect abnormal or unauthorized activity.• Maintain and enhance operational security documents such as incident procedures, playbooks, standard operating guidance, and response runbooks.• Prepare recurring security reports and metrics covering incidents, threat trends, vulnerabilities, and operational performance.• Support audit requests, compliance reviews, eDiscovery efforts, and third-party security assessments as part of ongoing governance activities.• Partner with security, infrastructure, and support teams on daily operations, tabletop exercises, and continuous improvements informed by incident findings.
2026-10-22T00:00:00Z

Systems Administrator

Santa Cruz, CA
onsite
Temporary / Contract
47.5 - 55 USD / Hourly
We are looking for an experienced Desktop Support to provide hands-on technical support in Santa Cruz, California. This Contract position focuses on endpoint administration, user support, and systems management across a primarily onsite environment. The ideal candidate will bring strong expertise in Microsoft and Apple device support, directory services, and enterprise infrastructure tools while ensuring reliable day-to-day operations. Responsibilities:• Deliver onsite support for Windows and Mac devices, including setup, troubleshooting, and ongoing administrative assistance.• Manage device enrollment and policy application through Intune to maintain secure and consistent endpoint configurations.• Administer Active Directory and Windows Server environments, supporting user accounts, access controls, and system stability.• Assist with domain alignment activities, including UPN updates and device or user enrollment into the appropriate environment when required.• Support Microsoft Windows 10 endpoints by resolving operating system, configuration, and performance issues.• Maintain and troubleshoot Dell hardware used across the organization, coordinating repairs or replacements as needed.• Provide support for Citrix-based access and desktop solutions to help users remain productive.• Collaborate with local staff and technical teams to resolve infrastructure and endpoint issues for an environment serving approximately 225 users.
2026-10-12T00:00:00Z

AI Engineer (AI Data Privacy, Security & Governance)

San Ramon, CA
remote
Permanent / Full Time
85000 - 124000 USD / Yearly
obert Half is seeking a Software Engineer II – AI Engineer to analyze, design, program, debug, test, implement, and support the privacy, security, and governance controls that protect generative AI technologies. This role safeguards GenAI-enabled applications, including LLM-powered workflows, RAG pipelines, plugins, skills, and autonomous agents, by embedding data protection, security guardrails, and responsible AI governance across the development lifecycle. This role supports SDLC documentation across all phases, with a focus on data privacy, security guardrails, governance, compliance, and risk management. It also works with users to define requirements and support applications in production. What You’ll Do <ul><li>Design and implement data privacy controls, including PII/PHI detection, redaction, and data minimization. </li><li>Build security guardrails, including prompt-injection defense, jailbreak prevention, and output filtering. </li><li>Establish governance for plugins, skills, and agents, including registration, approval, and lifecycle management. </li><li>Review and vet third-party plugins, skills, and agent tools for security, privacy, and compliance risks. </li><li>Define and enforce access controls, authentication, and least-privilege permissions for AI components. </li><li>Implement guardrails for autonomous agents, including action scoping, tool-use restrictions, and human-in-the-loop approval. </li><li>Apply data classification, retention, and residency policies across GenAI data flows. </li><li>Monitor AI systems for policy violations, data leakage, and anomalous plugin, skill, or agent behavior. </li><li>Maintain audit trails and logging for plugin, skill, and agent activity. </li><li>Support compliance with regulations and frameworks, including GDPR, CCPA, and the EU AI Act. </li><li>Provide Level II production support for security, privacy, and governance incidents. </li><li>Support incident response, including containment, escalation, and remediation. </li></ul>
2026-09-28T00:00:00Z

Software Engineer II AI Engineer (w/ skills in Deployment)

San Ramon, CA
remote
Permanent / Full Time
85000 - 124000 USD / Yearly
Robert Half is seeking a Software Engineer II – AI Engineer who will analyze, design, program, debug, test, implement, deploy, and support software enhancements and new applications using Generative AI technologies. This role contributes to the development and production deployment of GenAI-enabled applications, including LLM-powered workflows, RAG pipelines, and AI-driven user experiences. This role supports SDLC documentation across all phases, with a focus on deployment, evaluation, observability, safety, and monitoring. It also interacts with users to define requirements and support applications in production. What You’ll Do <ul><li>Develop and modify application modules, including GenAI components. </li><li>Build prompt workflows, retrieval layers, APIs, and cloud services. </li><li>Troubleshoot production issues, including latency, hallucinations, and errors. </li><li>Provide Level II production support for deployed systems. </li><li>Design components, including LLM integrations and RAG pipelines. </li><li>Implement CI/CD pipelines, containerization, and release processes. </li><li>Develop RAG pipelines with embeddings, chunking, and vector search. </li><li>Apply prompt engineering techniques, including few-shot prompting and structured outputs. </li><li>Evaluate models for accuracy, relevance, and hallucination risk. </li><li>Implement safety guardrails, including PII protection and prompt-injection defense. </li><li>Execute testing, including unit, integration, and GenAI evaluation testing. </li><li>Monitor production systems for latency, cost, usage, and errors. </li><li>Support incident management with fallback and recovery strategies. </li></ul>
2026-09-28T00:00:00Z

Salesforce Technical Architect (Software Engineer IV)

San Ramon, CA
remote
Permanent / Full Time
119000 - 180000 USD / Yearly
We are looking for a Salesforce Technical Architect (Software Engineer IV) to lead the technical strategy, architecture, and delivery of a large-scale Salesforce environment. This role combines hands-on engineering with architectural ownership, guiding decisions across Salesforce and Azure while supporting secure, scalable, and high-performing solutions. The position also plays a key role in advancing data-driven marketing capabilities, AI-enabled workflows, and engineering practices that improve quality, automation, and deployment speed. Responsibilities:• Define the technical roadmap for the Salesforce ecosystem and determine the most effective approach for building capabilities within the platform or extending them through Azure-based services.• Design and oversee integrations connecting Salesforce with internal and external systems, using resilient near real-time and event-driven patterns to maintain reliable data flow.• Lead the rollout of Salesforce Data 360 and enhance supporting data pipelines that enable segmentation, analytics, and AI-powered business processes.• Establish architecture standards, review solution designs and code, and ensure engineering output meets expectations for security, scalability, and long-term maintainability.• Strengthen the software delivery lifecycle by introducing automated checks for code quality, testing, and security validation across development and release processes.• Advance CI/CD practices by improving Python-based deployment pipelines and enabling frequent, dependable releases with minimal manual effort.• Mentor a distributed team of engineers by providing technical direction, coaching on platform design patterns, and promoting consistent engineering excellence.• Build and guide development of complex Salesforce applications using Apex, Lightning Web Components, and declarative tools, while also supporting services and APIs built with Node.js and Python.• Define integration standards, API contracts, and automation frameworks that support dependable interoperability across enterprise platforms and cloud environments.
2026-09-29T00:00:00Z

6 results for Systems Security Engineer in San Mateo, CA