Systems Administrator

We are looking for a Systems Administrator to support and strengthen enterprise infrastructure for an investment management organization in Menlo Park, California. This Long-term Contract position focuses on maintaining secure, reliable systems across identity, endpoint, network, and Microsoft environments. The ideal candidate brings a hands-on approach to administration and security, along with the ability to independently lead infrastructure initiatives in a regulated setting.Responsibilities:• Manage day-to-day administration of directory services, including Microsoft Active Directory and Entra ID, to support secure access and identity management.• Oversee Microsoft 365, Windows Server, and Windows 10 environments to maintain system stability, user productivity, and consistent operational performance.• Implement and support data protection controls using Microsoft Purview or a similar platform to help safeguard sensitive business information.• Monitor, maintain, and optimize security technologies such as CrowdStrike, Darktrace, or related tools to strengthen threat detection and response capabilities.• Administer Fortinet networking equipment, including firewalls, switches, VPN connectivity, and VLAN configurations, to ensure secure and reliable network operations.• Lead infrastructure and security-focused projects, taking ownership from planning through execution while aligning work with business and compliance needs.• Support audit readiness by preparing technical evidence, maintaining documentation, and assisting with control validation in a regulated environment.• Troubleshoot system, endpoint, and access issues across core infrastructure platforms and coordinate timely resolution to minimize business disruption.