3 results for Systems Security Manager in San Francisco, CA

Infrastructure/Security Manager

Oakland, CA
onsite
Contract / Temporary to Hire
70 - 80 USD / Hourly
We are seeking a hands-on Infrastructure and Security Manager to oversee and support a hybrid cloud and on-premise technology environment for a growing organization supporting government-related contracts. This Infrastructure and Security Manager role combines infrastructure operations leadership with cybersecurity compliance, ensuring systems remain secure, reliable, and aligned with CMMC and NIST frameworks. The ideal Infrastructure and Security Manager candidate brings strong experience managing Azure infrastructure, enterprise networking, and security operations, along with a practical understanding of CMMC security requirements. This Infrastructure and Security Manager position is hybrid in Oakland, CA, requiring 2–3 days onsite per week and is a contract to hire opportunity. Key Responsibilities<ul><li>Manage and maintain the organization’s IT infrastructure across cloud and on-premise environments</li><li>Oversee Microsoft Azure infrastructure, networking, and system security</li><li>Administer and support Windows Server and Linux systems</li><li>Lead security operations including monitoring, incident response, and vulnerability management</li><li>Implement and maintain cybersecurity controls aligned with CMMC and NIST frameworks</li><li>Manage enterprise networking including firewalls, VPNs, SD-WAN, and wireless environments</li><li>Oversee security tools such as endpoint protection, log aggregation, and threat detection platforms</li><li>Support and maintain Microsoft 365 and SharePoint security configurations</li><li>Collaborate with leadership on security strategy, compliance readiness, and risk management</li><li>Participate in infrastructure and security initiatives including system upgrades, integrations, and M&A activities</li><li>Work with vendors and internal teams to ensure system reliability, performance, and security</li></ul>
2026-03-12T00:00:00Z

Systems Engineer

San Francisco, CA
onsite
Temporary
60 - 70 USD / Hourly
We're looking for a Systems Engineer who will be responsible for virtualization, enterprise networking, and Veeam backup systems. This role requires at least three years of direct experience with Microsoft Intune, Entra, Active Directory, as well as expertise in enterprise storage solutions and data protection. Responsibilities include maintaining secure and efficient network operations, coordinating with third-party vendors, and driving continual improvement in data backup and virtualization processes. This is a contract to hire position. <ul><li>Oversee and manage managed service providers (MSPs) or consultants supporting virtualization platforms, enterprise networking, Veeam backup and recovery systems</li><li>Act as the internal technical owner for Windows infrastructure, Microsoft 365, and Azure AD (Entra ID)</li><li>Maintain and improve identity, device, and access management using Microsoft Intune, Entra ID / Azure AD and on-prem Active Directory</li><li>Ensure secure, stable, and efficient network and system operations</li><li>Coordinate with third party vendors to troubleshoot issues, manage changes, and deliver projects</li><li>Drive continuous improvement in backup and disaster recovery processes including Virtualization and storage performance, security posture and operational efficiency</li><li>Participate in system planning, documentation, and operational best practices</li></ul>
2026-03-23T00:00:00Z

Windows Systems Administrator

Los Altos, CA
onsite
Temporary
50.67 - 58.01 USD / Hourly
We're seeking a Senior Windows System Administrator to support a complex, hybrid on‑prem environment with a strong emphasis on VDI, automation, and image management. This role is hands‑on, fast‑moving, and ideal for someone who can independently own systems, streamline workflows, and translate instructional or operational needs into reliable technical solutions. Key Responsibilities<ul><li>Administer and maintain Windows Server environments at a senior level</li><li>Manage VMware Horizon (Omnissa) VDI infrastructure and image lifecycle</li><li>Design and maintain advanced Group Policy configurations</li><li>Build and enhance PowerShell automation for imaging, patching, and GPO workflows</li><li>Support on‑prem backend systems; collaborate with networking as needed</li><li>Convert faculty/instructional requirements into deployable images and configurations</li><li>Work within ITSM/ticketing workflows and maintain strong documentation standards</li><li>Operate independently with clear communication and proactive problem‑solving</li></ul>
2026-03-26T00:00:00Z