Ben Y.

About Ben Y.

System administrator with over four years of experience in Server Administration (Active Directory, ADFS, RADIUS, IIS, DNS, Certificate Authority), Virtualization (VMware, Hyper-v), SAN (Dell, HP), Disaster Recovery (Veeam, Rubrik), Routing and Switching (Cisco, Juniper, Meraki), SD-WAN, Firewall (Cisco ASA, Palo Alto, Meraki), Anti-virus (Carbon Black, Cylance, Sophos), Database (Microsoft), Group Policy, VOIP, VPN, SSO, MFA, Cloud Infrastructure (AAD, Azure ADFS, Azure, AWS, Office 365) and Security Compliance (HIPAA, PCI, NIST, ISO). I have extensive background in Data and Network Security and I am specialized in configuring, managing and securing an organization\'s IT infrastruture and network and conducting security accessments and countermeasures to strengthen the organization\'s security posture. I have over three years of experience managing and executing projects as well.

Experience

1. Senior System Administrator

   Bigge Crane and Rigging Co.

   Apr 2021 — Present · Houston, TX, US

   Manage an enterprise environment with more than 100 Windows servers (Server 2008 – 2019) on-prem and on Azure• Configure and manage company networks with two main headquarters and over 15 satellite offices across the US completely on Meraki environment• Configure and set up two brand new offices’ network with firewall, switches, APs and cameras• Manage Hyper-v virtualized environment with a fail-over cluster and legacy environment with vCenter/ESXi• Manage Dell EMC Unity storage and its iSCSI connections with Hyper-v cluster• Backup and DR solutions management with Rubrik clusters• Manage and troubleshoot Active Directory domain controllers, ADFS, DNS, ADCS, Printer Management services, RADIUS and Azure AD related issues and make sure DC replicate to each other as always• Manage Microsoft Dynamics 365 ERP system and work with project manager and developer to build test environments for them to test code development• Manage security related solutions such as Cylance (Anti-virus), AppRiver (email filter), DUO (MFA) and Cisco Umbrella• Manage enterprise cloud storage and permissions in SharePoint and Egnyte• Participate in technology evaluations to improve IT infrastructure posture and make sure technology used in the company are up to date• Conduct enterprise Windows server patch management and make sure 99% uptime of IT Infrastructure• Manage WDS and MDT servers for Windows workstation image preparation and deployment• Patch management and deployment with Windows Update assistant, N-able (formerly Solarwind MSP) and SCCM for Windows servers and workstations• Configure and maintain site to site VPN tunnels among company’s headquarters and branches• Mentor two service desk members to get them up to speed

Education

• The University of Texas at Austin

  Full Stack Flex Web Development Certificate

  2018 — 2018

• University of Houston

  Master of Science (MS)

  2013 — 2017

• Nanchang University

  Bachelor of Science (BS)

  2009 — 2013