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5 results for Systems Administrator in Fairfield, CA

Systems Administrator

San Francisco, CA
remote
Temporary / Contract
60 - 65 USD / Hourly
We are looking for a Linux Systems Administrator to support a Financial Services organization with critical on-premises infrastructure initiatives in San Francisco, California. This Contract position is designed for someone who is detail oriented and can balance hands-on Linux administration with automation, storage, virtualization, and security work across several priority projects. The engagement is expected to run for approximately 3 months and may continue based on business needs and ongoing infrastructure support demands. Responsibilities:• Build, configure, and maintain Ubuntu-based Linux servers within an on-premises enterprise environment.• Establish and manage an Ansible framework to streamline infrastructure provisioning, configuration management, and repeatable deployments.• Oversee file server operations and support storage platforms, including configuration, performance tuning, and ongoing administration.• Deliver multiple infrastructure-focused projects covering server implementation, automation improvements, and overall environment optimization.• Apply security standards and strengthen systems through hardening measures, access controls, and risk-reduction practices.• Support the organization’s virtualized environment, including administration and upkeep of Proxmox-based systems.• Work with technology leadership to define priorities, while independently driving assigned initiatives through completion.• Troubleshoot infrastructure issues, recommend practical improvements, and help maintain reliable day-to-day system operations.
2026-07-28T00:00:00Z

UKG Systems Administrator

Martinez, CA
onsite
Temporary / Contract
60 - 72 USD / Hourly
Robert Half is seeking an experienced UKG Systems Administrator to support a large healthcare organization operating in a complex, unionized, 24/7 environment. This UKG Systems Administrator role is ideal for a UKG professional who enjoys owning the administration, configuration, optimization, and support of an enterprise Workforce Management platform. This UKG Systems Administrator will partner with HR, Payroll, Labor Relations, Clinical Operations, Finance, and IT to ensure workforce systems are accurate, compliant, scalable, and optimized for healthcare operations.This UKG Systems Administrator role is an onsite opportunity in Concord, CA and is a long-term contract with the potential to convert to full-time. Responsibilities UKG Workforce Management<ul><li>Serve as the primary administrator and subject matter expert for UKG Workforce Management.</li><li>Configure and maintain Pay Rules, Work Rules, Labor Levels, Accrual Policies, Scheduling Configurations, and Shift Differentials.</li><li>Build and support Hyperfinds, Building Blocks, Workflows, Alerts, and Automation Rules.</li><li>Troubleshoot system configuration, performance, interfaces, and data integrity issues.</li><li>Lead system upgrades, testing, deployments, and release management across Development, Test, and Production environments.</li></ul>Scheduling & Workforce Operations<ul><li>Administer UKG Advanced Scheduling and Clinical Scheduling.</li><li>Configure staffing templates, coverage rules, self-scheduling, open shift management, weekend programs, bid scheduling, seniority scheduling, and cross-department staffing.</li><li>Partner with operational leadership to improve scheduling efficiency and workforce utilization.</li></ul>Compliance & Integrations<ul><li>Configure labor rules supporting union contracts and healthcare operations.</li><li>Support payroll validation, compliance audits, and workforce reporting.</li><li>Maintain integrations using UKG Integration Hub, Workforce Integration Manager (WIM), and ERP systems while ensuring interface reliability and data integrity.</li></ul>Reporting & Support<ul><li>Develop dashboards and reports for HR, Payroll, Finance, and Operations.</li><li>Support labor forecasting, analytics, and process improvement initiatives.</li><li>Provide Tier II/III production support, resolve critical issues, coordinate vendor escalations, and maintain technical documentation and SOPs.</li></ul>
2026-08-11T00:00:00Z

Customer Service Administrator

Oakland, CA
onsite
Temporary / Contract
25 - 28 USD / Hourly
Customer Service AdministratorJob DescriptionSeeking a Customer Service Administrator to provide administrative support while delivering excellent customer service.Responsibilities<ul><li>Manage customer correspondence</li><li>Coordinate schedules and appointments</li><li>Enter and update customer information</li><li>Process reports and documentation</li><li>Support internal departments</li></ul>
2026-08-07T00:00:00Z

Cloud Systems Engineer

Martinez, CA
onsite
Temporary / Contract
60 - 70 USD / Hourly
We are looking for a Sr. Systems Engineer to support and enhance a Microsoft-focused cloud environment in Martinez, California. This Long-term Systems Engineer Contract position will play a key role in strengthening Microsoft 365 services, device management, identity administration, and cloud-based automation across the organization. The ideal Systems Engineer candidate brings strong technical depth across Azure, Intune, Entra ID, and the Power Platform, along with the ability to resolve complex issues and guide broader IT efforts. This Systems Engineer role is an onsite ole out of Martinez, Ca. Responsibilities:• Oversee the performance, security, and day-to-day administration of Microsoft 365 applications, including Exchange Online, SharePoint Online, Teams, and OneDrive.• Create and refine Intune configurations for endpoint management, compliance enforcement, and software deployment across supported devices.• Administer identity and access controls within Entra ID, including authentication methods, privileged access workflows, conditional access, and hybrid identity support.• Support the design, maintenance, and troubleshooting of Azure-based services that underpin the organization's cloud infrastructure.• Develop business-focused solutions using Power Apps, Power Automate, and Power BI to improve reporting and streamline operational processes.• Investigate high-severity incidents, perform root-cause analysis, and implement durable fixes across Microsoft 365 and Azure platforms.• Build and maintain automation using PowerShell and Microsoft Graph integrations to reduce manual administrative effort and improve consistency.• Produce and update technical documentation covering architecture, configurations, operational procedures, and support standards.• Assess emerging Microsoft capabilities and licensing updates, then provide recommendations on adoption, governance, and practical use.• Provide technical mentorship to less experienced team members and collaborate with security, compliance, and IT partners on audits, controls, and risk reduction.
2026-08-13T00:00:00Z

Network/Systems Engineer

Santa Rosa, CA
onsite
Temporary / Contract
60 - 70 USD / Hourly
Robert Half is looking for an experienced Network/Systems Engineer to support and enhance enterprise infrastructure in Santa Rosa, California. This Network/Systems Engineer is a Contract position for a detail-oriented individual who can maintain reliable, secure, and high-performing network environments while partnering with technical teams, vendors, and end users. The Network/Systems Engineer role focuses on network operations, systems administration, documentation, and continuous improvement across core connectivity and platform services. This This Network/Systems Engineer is a contract position and in Onsite. Responsibilities:• The Network/Systems Engineer will monitor network health, investigate connectivity and performance issues, and resolve incidents affecting availability, security, and overall system reliability.• Administer core network and server environments, including user access, group permissions, login configurations, shared resources, and printer connectivity.• Plan, configure, install, upgrade, and maintain infrastructure systems and related software to meet operational and business requirements.• Review hardware, operating system, and network performance trends, then recommend improvements that strengthen efficiency, resilience, and security.• Establish and maintain backup, recovery, access control, and data protection procedures to support business continuity and secure operations.• Apply formal change management practices when implementing system updates, configuration changes, and infrastructure enhancements.• Evaluate networking and systems technologies, prepare technical recommendations, and produce clear documentation such as procedures, reports, manuals, and training materials.• Design and support enterprise network architecture spanning multiple platforms, vendor solutions, internet connectivity, email services, and interconnected hardware and software components.• Partner with stakeholders, vendors, and internal teams to scope solutions, estimate effort and cost, support project delivery, and provide escalated technical assistance when needed. Key Responsibilities<ul><li>Administer, monitor, troubleshoot, and maintain enterprise servers, networks, applications, and infrastructure.</li><li>Perform day-to-day LAN, WAN, and server administration.</li><li>Experience with Cisco products (routing and switching)</li><li>Troubleshoot network performance, connectivity, security, availability, hardware, and software issues.</li><li>Create and maintain user accounts, groups, permissions, security access, network resources, and email accounts.</li><li>Install, configure, upgrade, optimize, and maintain server and network hardware and software.</li><li>Monitor infrastructure performance and recommend improvements to reliability, security, and performance.</li><li>Administer and support Microsoft Windows Server environments.</li><li>Support Microsoft Exchange, Office 365, Active Directory/Azure Active Directory, IIS, and SQL Server environments.</li><li>Manage VMware server and desktop virtualization technologies.</li><li>Support enterprise storage, backup, recovery, and disaster recovery solutions.</li><li>Establish and maintain data security, system access, backup, and recovery procedures.</li></ul>
2026-08-11T00:00:00Z