Systems Administrator

Lizhi(Richard) Tan

** ****** *** *********, **, N3C4H8 n *****.*@*****.*** n Home: 647-***-**** n Mobile: 226-***-****

Proven Success in Accomplished systems administrator with 6 years of experience managing server infrastructures and data-center operations across multiple platforms (UNIX, Linux, and Windows). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.

Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled managing infrastructure systems and projects in a range of IT environments.

HIGHLIGHTS OF IT SKILLS

VMWare vSphere(ESX), vCenter,

Windows & Linux Server

Citrix XenApp & XenDesktop

Project Management

LAMP Deployments, Open-Source Tools

SAN storage

Active Directory and related protocols, DNS, ADFS, RDS, IIS

System Security, Backup and Recovery

Database Design & Management (Microsoft MS-SQL server, PostgreSQL )

User Training and Support

Programming & Scripting automation

Microsoft Azure

PROFESSIONAL EXPERIENCE

GRAND RIVER HOSPITAL, REGIONAL CANCER CENTRE - Kitchener, ON 2010.10 to present

Systems Administrator

Duties:

As a full-time systems administrator, manage the GRRCC data center services and operations, provide Windows/Unix/Linux administration, SAN storage administration, VMware administration, Citrix VDI administration, clinical VARIAN App administration. Keep systems under security patching and maintenance.

Communicate and cooperate with the vendors to solve the bugs of the Apps and usage issues. Manage App servers, AD/DNS, and workload balancers.

Design and implement highly available (HA) and disaster recovery (DR) solutions for clients and employer.

Automate systems administrations and monitoring stability and performance by using PowerShell and Linux Shell scripting

Customize the SQL script queries for the users required reports, provide data trend analysis extracted from the clinical Databases, and generate reports for decision makings

Trained employees across multiple departments on VDI operations including login procedures, permissions, printing issues, security and use of software. Wrote Standard Operating Procedures for users to avoid the bugs in the software

Build LAMP web based server for the treatment QAs

Establish, cultivate, and maintain user and vendor relationships.

Participate in the preparation and forecasting of departmental budgets.

Projects finished:

Migrated old IBM SAN Storage to IBM SAN Storage V5000 with the running clinical Windows/Unix servers. Evaluated and reconfigured company’s Windows setup, including reallocating SAN disk space to engineer a robust, scalable solution. Developed the full project life cycle for implementation and integration.

Installed the host hardware, HP Proliant DL380 G8, for VMWare VSphere from scratch. Served as a technical project lead for the migrations of the physical servers to the virtual. Migrated and upgraded existing servers to VMWare environment. Optimized system availability (above 99.99% uptime) and equipped company with scalable systems to support fast business growth.

Design and implement PBS cluster for research calculation by using Monte Carlo method.

Implemented CommVault Simpana data protection solution for both physical and virtual environments with HHD cache and tapes library backup.

Built Citrix XenApp farms for Apps publishing

Upgraded the running software system, Varian, for radiation treatments

THUNDER POWER Scarborough, ON, 2008.9 to 2010.10

IS Consultant

Provided the services on systems migration, configuration, upgrades, and troubleshooting.

Resolved network failure by troubleshooting LAN/WAN connections between multiple offices for a regional tour company.

Replaced the vulnerable network with robust security through firewall and DHCP.

Stabilized, expanded and protected client network and PC environment. Built new file servers to maximize Web hosting, terminal server, file/print sharing and domain control performance

ADDITIONAL IT EXPERIENCE

2003 - 2008, Ames Laboratory, Ames, IA, USA Research Assistant.

Responsibilities: Managed computers and network in the lab; analyzed problems and provided problems resolution, provided technical support for computing hardware and software

EDUCATION & TRAINING

EDUCATION

Ph.D. in Physics, Iowa State University, Ames, IA, USA 2002-2008

B. S. in applied physics, Tsinghua University, Beijing, China 1997-2001

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