Nasra Mohamed

About Nasra Mohamed

Senior Systems Administrator skilled in building secure, scalable IT infrastructures that enhance business continuity and operational efficiency. Experienced in managing hybrid cloud environments and endpoint security, with hands-on expertise in VMware, Microsoft Azure, Jamf, Intune, and enterprise security tools such as Cisco AMP and Microsoft Entra ID.Drove significant improvements in infrastructure resilience and operational continuity, resulting in major reductions in downtime and service disruptions while supporting a large-scale environment of servers and endpoint machines across multi-site operations. Collaborate closely with security and compliance teams to implement solutions that align with HIPAA and SOX standards while advancing business objectives.Brings proven experience supporting IT integrations during mergers and acquisitions, adept at managing complex transitions while maintaining high system uptime and operational stability. A proud WiCyS mentee committed to continuous learning, fostering diversity, and advancing innovation in technology.

Experience

1. Senior System Administrator

   Seres Therapeutics

   Jan 2024 — Present · Cambridge, MA, US

   Manage enterprise endpoint infrastructure across multi-site environments, ensuring 99%+ uptime and high availability through proactive maintenance of VMware vSphere, Pure Storage arrays, and Cobalt Iron backup systems.Collaborate with cross-functional teams to support post-acquisition IT integration, meeting TSA milestones, coordinating system migrations, and aligning infrastructure delivery with organizational goals and uninterrupted user access.Maintain and optimize Group Policy Objects (GPOs), Active Directory, and Azure AD synchronization for seamless user access and identity governance.Develop and enforced role-based access control (RBAC) policies across endpoint platforms, ensuring least-privileged access and reducing security risks throughout the device lifecycle.

Education

• Cambridge College

  Cybersecurity, Computer and Information Systems Security/Information Assurance

• Year Up United

  Certificate, Quality Assurance Analyst

  2017 — 2018