Results for Senior Systems Engineer Jobs in San Francisco, 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 Network Engineer

San Jose, CA
onsite
Temporary / Contract
60 - 70 USD / Hourly
We are looking for an experienced Security Network Engineer to support and strengthen a data center environment in California. This long-term contract opportunity is ideal for a senior specialist who brings deep expertise in secure network operations, infrastructure monitoring, and enterprise firewall administration. The role focuses on maintaining a reliable, high-performing network across a smaller infrastructure footprint while partnering with teams that operate during Pacific Time hours. Responsibilities: • Manage and optimize secure network infrastructure across data center switching, routing, and firewall platforms. • Administer firewall environments and centralized policy management tools to maintain strong security controls and network availability. • Monitor network performance and security events, identify issues proactively, and drive timely resolution of incidents. • Support day-to-day operations for a compact but critical infrastructure environment with a focus on stability and efficiency. • Implement configuration changes, upgrades, and troubleshooting activities across core networking components. • Use network monitoring platforms such as SolarWinds to track health, capacity, and performance trends. • Contribute technical expertise on Cisco-based environments, including Nexus platforms where applicable. • Collaborate with internal stakeholders and remote teams to ensure dependable support coverage during Pacific Time business hours.
2026-09-21T00:00:00Z

Sr Network Engineer

Concord, CA
onsite
Permanent / Full Time
140000 - 150000 USD / Yearly
We are looking for an experienced Sr Network Engineer to support and strengthen a hybrid enterprise infrastructure in Concord, California. This role focuses on designing, optimizing, and securing network environments that enable dependable connectivity, protected data exchange, and stable day-to-day operations. The ideal candidate brings strong technical depth across cloud and on-premises platforms, a practical troubleshooting mindset, and the ability to communicate effectively with both technical and non-technical stakeholders. Responsibilities: • Design, maintain, and enhance network infrastructure across routing, switching, wireless connectivity, firewall platforms, VPN services, and hybrid Azure-integrated environments. • Develop and uphold network architecture standards, technical documentation, and long-term infrastructure plans that improve performance, segmentation, and security. • Administer and support a hybrid Microsoft ecosystem, including cloud and on-premises services, to ensure reliable access and operational continuity. • Manage the Hyper-V environment and related infrastructure components to maintain availability, scalability, and system efficiency. • Investigate and resolve complex network and connectivity issues, serving as an escalation point for advanced incidents and selected help desk matters. • Oversee backup operations for critical systems and verify that recovery processes align with business continuity needs. • Partner with IT leadership and security stakeholders to implement preventive safeguards and contribute to incident response efforts. • Provide technical guidance to end users and entry-level team members while promoting strong service standards and timely issue resolution. • Monitor industry developments, evaluate emerging technologies, and recommend improvements that strengthen the overall network environment. • Travel occasionally to support offices or operational needs as required.
2026-09-18T00:00:00Z

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

Senior Cost Accountant

Livermore, CA
onsite
Temporary / Contract
45 - 55 USD / Hourly
We are looking for a Senior Cost Accountant to support a global manufacturing organization serving the semiconductor and advanced technology sectors in Livermore, California. This Long-term Contract opportunity will contribute to the accuracy of product costing, inventory valuation, and financial reporting within a fast-paced production setting. The role works closely with manufacturing and finance partners to deliver analysis that supports operational decisions and strengthens cost control. Candidates who bring strong cost accounting expertise and a hands-on approach to inventory and variance analysis will be well suited for this position. Responsibilities: • Manage standard cost structures for materials, labor, and overhead to keep product costing current and reliable.• Review inventory balances across raw materials, work in process, and finished goods to maintain accurate valuation and reporting.• Complete month-end cost accounting activities, including journal entries, reconciliations, and close support.• Investigate manufacturing, purchase price, and work order variances and communicate key drivers to business partners.• Collaborate with operations teams to assess production performance, identify cost trends, and support informed decision-making.• Evaluate excess and obsolete inventory exposure and assist with reserve calculations and related analysis.• Reassess labor and overhead rates on a regular basis to improve costing accuracy.• Contribute to budgeting and forecasting for cost of goods sold and manufacturing-related expenses.• Support physical inventory activities, review inventory control effectiveness, and provide documentation for audits and compliance requirements.• Prepare recurring financial analyses, including warranty reserve reviews and reporting for monthly and quarterly close packages, while recommending process improvements in cost accounting and inventory controls.
2026-10-14T00:00:00Z

Senior Financial Analyst

San Francisco, CA
onsite
Permanent / Full Time
110000 - 150000 USD / Yearly
Reach out to Michelle Espejo via email or LinkedIn for additional information or questions regarding this listing. Senior Financial Analyst | Investment Firm | San Francisco; Hybrid Join a high-growth private investment platform focused on liquidity solutions across venture and growth-stage private markets. With strong institutional backing and a differentiated strategy, the firm offers the opportunity to join a sophisticated investment platform at an exciting stage of growth. This role offers broad exposure across fund accounting, financial reporting, treasury, and investor activity, with a strong focus on review, oversight, and analysis rather than transactional accounting. You’ll work closely with a lean, high-caliber finance team and external providers while gaining meaningful exposure to complex institutional funds. Additional perks include strong bonus potential, excellent healthcare and retirement benefits, and employee meals. Responsibilities<ul><li>Review third-party fund accounting, NAVs, capital activity, and financial reporting</li><li>Oversee external fund administrators and resolve accounting issues</li><li>Review financial statements, reconciliations, and supporting schedules</li><li>Support treasury, cash forecasting, and liquidity management</li><li>Assist with capital calls, distributions, subscriptions, and investor activity</li><li>Respond to investor inquiries and provide fund information</li><li>Support audits, tax processes, and external providers</li><li>Perform financial analysis and support special projects</li><li>Drive process improvements and stronger controls</li><li>Partner with the broader finance team across multiple investment vehicles</li></ul>For fastest consideration, reach out to Michelle Espejo via email or LinkedIn.
2026-10-09T00:00:00Z

Senior Financial Risk Analyst

Menlo Park, CA
onsite
Temporary / Contract
45.809 - 53.042 USD / Hourly
We are looking for a Senior Financial Risk Analyst to join a Long-term Contract opportunity based in Menlo Park, California. In this role, you will help strengthen the organization’s approach to liquidity and market risk by delivering thoughtful analysis, practical forecasting insights, and decision-ready reporting. The position works closely with partners across Treasury, Finance, Product, Data, and Engineering to support informed risk decisions in a fast-moving business environment. Responsibilities: • Assess enterprise-wide financial exposures and highlight material risk developments for leadership through clear, data-driven analysis. • Examine liquidity and market risk trends by performing quantitative reviews that surface vulnerabilities and emerging areas of concern. • Build, refine, and maintain forecasting approaches and analytical models that support ongoing financial risk evaluation. • Provide treasury-focused analysis related to liquidity positioning, capital considerations, and counterparty risk exposure. • Collaborate with cross-functional teams to identify financial risk implications tied to new business initiatives, products, and strategic changes. • Prepare regular executive-facing reports as well as custom analyses that translate complex findings into actionable insights. • Strengthen risk management processes, reporting routines, and internal controls to improve accuracy, efficiency, and consistency. • Use SQL and Python-based analysis to organize data, test assumptions, and support scalable risk monitoring frameworks.
2026-10-14T00:00:00Z

Software Developer

Martinez, CA
onsite
Temporary / Contract
65 - 75 USD / Hourly
We are looking for a Software Developer to join a team in California on a long-term contract assignment. This Software Developer role is ideal for a hands-on, detail-oriented individual who can build and support full stack applications while contributing to reporting and analytics solutions. The Software Developer position calls for someone who combines strong technical depth with sound judgment, clear communication, and a collaborative approach to solving business and technology challenges. Responsibilities:• Create and enhance full stack software solutions using C# and the .NET ecosystem, delivering reliable functionality for both new development and ongoing improvements.• Develop secure, scalable backend components, including RESTful APIs, business logic, and integrations that support enterprise application needs.• Build responsive user interfaces with web technologies such as ASP.NET MVC, Razor, JavaScript, and jQuery to provide a smooth user experience.• Maintain and optimize existing applications by investigating defects, resolving performance issues, and applying updates that improve stability and usability.• Execute comprehensive testing and debugging activities to confirm application quality, security, and dependable performance across environments.• Manage code movement across cloud and on-premises environments, helping ensure consistent deployments and effective release practices.• Design and support database objects, queries, and stored procedures in Microsoft SQL Server to enable efficient data processing and application performance.• Produce and maintain reports, dashboards, and analytics outputs, while validating data accuracy and translating business reporting needs into practical solutions.• Partner with stakeholders, business users, and technical team members to gather requirements, shape solutions, and provide support for third-party vendor applications.• Offer technical guidance to less experienced developers and contribute to a team culture focused on knowledge sharing and continuous improvement.
2026-10-07T00:00:00Z

9 results for Senior Systems Engineer in San Francisco, CA