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4 results for Systems Administrator in San Francisco, CA
- Santa Clara, CA
- onsite
- Temporary / Contract
- 51.4615 - 59.587 USD / Hourly
- We are looking for a Systems Administrator to support and maintain core server and network environments for a healthcare organization in Santa Clara, California. This Long-term Contract position is ideal for someone who is comfortable working onsite and can keep Windows-based infrastructure secure, stable, and efficient. The role focuses on day-to-day administration of enterprise systems, user access, and network connectivity while helping ensure dependable technology operations across the organization.<br><br>Responsibilities:<br>• Administer and support Microsoft Windows Server environments to maintain performance, availability, and security.<br>• Manage Active Directory, including user accounts, group policies, permissions, and directory services administration.<br>• Monitor network and server operations, identify issues proactively, and resolve technical problems with minimal disruption.<br>• Provide onsite infrastructure support for system access, connectivity, and hardware-related troubleshooting.<br>• Maintain system configurations, apply updates, and coordinate routine maintenance to keep platforms current and reliable.<br>• Assist with network administration tasks such as connectivity checks, device support, and basic infrastructure troubleshooting.<br>• Document system changes, operational procedures, and support activities to promote consistency and compliance.<br>• Collaborate with internal teams to address technical incidents, support operational needs, and improve overall system stability.
- 2026-11-09T00:00:00Z
- San Francisco, CA
- onsite
- Temporary / Contract
- 60 - 65 USD / Hourly
- <p>We are looking for a Windows Systems Administrator for a long-term, onsite contract in San Francisco. This role is ideal for someone who thrives in enterprise Microsoft environments and can manage both hands-on support work and project-driven infrastructure initiatives. The position focuses on strengthening endpoint management, identity services, and desktop operations while helping align technical configurations with business and compliance needs.</p><p><br></p><p>Responsibilities:</p><p>• Provide technical support across Windows-based environments, resolving operating system, desktop, and configuration issues for internal teams and external users.</p><p>• Administer and enhance Microsoft endpoint management capabilities through Intune, including device oversight and compliance enforcement.</p><p>• Contribute to identity modernization efforts by supporting the transition from traditional Active Directory services to Microsoft Entra ID.</p><p>• Configure, maintain, and optimize Active Directory structures and Group Policy settings to support operational and security requirements.</p><p>• Lead desktop environment improvements, including rollout support, system reconfiguration, and adoption of updated workplace technologies.</p><p>• Use PowerShell to automate administrative tasks, streamline recurring activities, and improve system management efficiency.</p><p>• Assess business and regulatory needs, then apply appropriate Microsoft platform settings and technical changes within defined deadlines.</p><p>• Take ownership of Microsoft infrastructure initiatives from planning through execution, serving as a key resource for deployment, administration, and support activities.</p>
- 2026-11-11T00:00:00Z
- Fremont, CA
- onsite
- Temporary / Contract
- 47.5 - 55 USD / Hourly
- We are looking for a Systems Engineer to support and enhance core enterprise infrastructure in Fremont, California. This Contract position will focus on maintaining secure, reliable, and efficient environments across directory services, server platforms, messaging systems, and virtualized technologies. The ideal candidate brings strong technical depth in Microsoft-based infrastructure and a proactive approach to troubleshooting, administration, and continuous improvement.<br><br>Responsibilities:<br>• Administer and optimize Active Directory environments, including user access, group policies, and directory health.<br>• Manage Microsoft Windows Server systems to ensure stability, performance, and ongoing operational readiness.<br>• Support Azure Active Directory administration, including identity management and access control configuration.<br>• Maintain and troubleshoot Citrix technologies to provide dependable application and desktop delivery services.<br>• Oversee Microsoft Exchange administration, including mailbox management, system performance, and issue resolution.<br>• Monitor infrastructure services and respond to incidents with timely diagnosis and corrective action.<br>• Implement system updates, patches, and configuration changes while minimizing service disruption.<br>• Document technical procedures, environment changes, and support activities to maintain operational visibility.
- 2026-10-28T00:00:00Z
- Livermore, CA
- onsite
- Temporary to Hire
- 65 - 70 USD / Hourly
- <p>We are looking for an experienced Network/Systems Manager to join our team in Livermore, California. This is Network/Systems Manager a Contract-to-Permanent position offering an opportunity to lead and oversee critical network operations while collaborating with management and technical teams. The ideal Network/Systems Manager will take ownership of network systems, provide strategic recommendations for improvements, and ensure seamless technology operations across multiple sites. This is an onsite position sitting in Livermore, Ca. </p><p><br></p><p>The ideal Network/Systems Manager will have Palo Alto firewall experience, strong Cisco networking skills, and a background in Active Directory, VMware, and Google Workspace. The Network/Systems Manager will also help manage security in collaboration with our managed security provider, including patch management, configurations, and oversight of new firewall deployment. Experience with Cisco VoIP systems—particularly in design and configuration—is preferred. </p><p><br></p><p>When the current manager is out, this Network/Systems Manager role will act as the primary liaison to upper management, requiring excellent communication skills and the ability to present clearly to executives. You will also be the go-to person for staff when issues arise, ensuring problems are addressed quickly and effectively.</p><p><br></p><p>Responsibilities:</p><p>•<strong>Key Responsibilities</strong></p><ul><li>Oversee the network and virtual server environments, ensuring reliable and secure operations across all sites.</li><li>Administer LAN/WAN infrastructure including Cisco network equipment, virtualization platforms (VMware), Active Directory, user accounts, and network services.</li><li>Manage and configure firewalls (Palo Alto) and coordinate with security providers for patching, monitoring, and threat mitigation.</li><li>Oversee deployment of new network and security hardware, including upcoming firewall projects.</li><li>Configure and support Cisco VoIP systems, including design and implementation.</li><li>Troubleshoot and resolve hardware, software, and network issues to minimize downtime.</li><li>Evaluate requests for technical assistance, determine appropriate actions, and assign resources accordingly.</li><li>Collaborate with leadership to plan short- and long-term technology upgrades, replacements, and system improvements.</li><li>Design and optimize network architectures (e.g., VLAN, VPN, routing, content filtering, QoS, IDS/IPS, etc.) for high performance and security.</li><li>Install and update network software, service packs, and security patches across multiple platforms.</li><li>Monitor servers, appliances, and network devices to ensure proper performance and availability.</li><li>Lead technology projects, including migrations, new implementations, and product evaluations, ensuring they meet deadlines and quality standards.</li><li>Coordinate with internal teams, vendors, and contractors to complete projects and resolve issues efficiently.</li><li>Prepare documentation including network maps, technical reports, procedures, and recommendations for improvements.</li><li>Stay informed on industry trends, tools, and best practices to inform purchasing and operational strategies.</li><li>Act as a primary contact for management, providing updates, reports, and recommendations.</li></ul><p><br></p>
- 2026-10-08T00:00:00Z