Engineer Active Directory

RAY LI

Phone: 647-***-**** *********@*****.***

Microsoft Support Specialist

An accomplished network administrator with 7+ years’ experience in the engineering, administration

and support of information systems. In-depth expertise in the implementation, analysis, optimization,

troubleshooting and documentation systems. Strong “hands on” technical knowledge with Microsoft,

UNIX, Linux and Cisco. Proven ability to demonstrated success implementing strategic IT initiatives

that improve business functionality with positive impacts on the bottom line.

TECHNICAL EXPERTISE

Operation Systems: MS Windows 2003/ 2008 and Linux (REDHAT, Centos)

Software: Active Directory, Exchange, SAMBA, Symantec Backup Exec and

Tivoli Server Management

Hardware: L2/L3 Cisco Routers and Switches,VPN, Juniper NetScreen

Firewall, IDS, Radware Load Balancer, IBM DS-4800 SAN Storage,

IBM 3100 Tape Library

Networks/Protocols: LAN/WAN, TCP/IP, DNS, DHCP, POP3, SMTP, FTP, HTTP, VPN,

ICMP, RIP, NAT, EIGRP, OSPF

Virtualization: VMware VSphere Hypervisor (ESXi) 5X, VMware workstation,

Windows Server 2008 Hyper-V

Certifications: Cisco Certified Network Associate Routing & Switching (CCNA)

PROFESSIONAL EXPERIENCE

Aandrajax Technologies Inc. 2014.7-

present

Aandrajax is predominantly focused in niche IT expertise in Banking, Financial Services,

Telecommunication, Healthcare, Education, Retail, Government and some critical technology

solutions.

Network Engineer

• Active Directory, Group Policies in Domain Environment and System Based Policies

management, upgrades and testing

• Monitor, Maintain and troubleshoot Microsoft Exchange servers

• Backup & Disaster Recovery Solution for physical and Virtual Environment

• Installed, Configured and maintained VMware ESXi(version 5.0) servers

• Assessed and managed Dell SAN Storage

• According to demand re-upgrade Microsoft System Center(SCSM, SCCM, SCOM) 2012

• Troubleshoot network, servers, hardware and software requirements

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RAY LI

Phone: 647-***-**** *********@*****.***

Liebherr Canada Ltd. Burlington, Ontario

One of the world’s leading manufacturers of construction machinery approximately 38,000 employees in more than 130

companies across all continents.

Desktop Supporter 2013.7-

2013.9

• Planned, designed and implemented L2 switches and L3 Routers for NAT,VLANS

• Troubleshoot network, servers, hardware and software requirements

• Deployed and designed the Microsoft Deployment Kit 2012, Windows Assessment and

Deployment Kit and Automatic install Windows 7 and Windows 8

• Redesigned and setup HP Web JetAdmin policies which managed and monitored more than

60 network printers that are located in Burlington and 8 branches

• Used Symantec Backup Exec for backup and disaster recovery

• Supported the clients with IT tickets. Support LIDOS, Baan, LISA, and other software

Metallurgical Geology Bureau, Beijing, China

Geological exploration, research, development and service of solid mineral resources, production of superhard materials

and manufacturing of machinery and equipment. The total asset of CMGB is 14 billion.

System Administrator 2009 -

2013

• Used Microsoft Hyper-V and VMware vSphere Hypervisor to design test environments and

consolidate servers

• Administered Radware Load Balancer LinkProof 200 and Juniper Netscreen ssg550 firewall

to satisfy different bandwidth requirements from different branches

• Configured and Monitored Oracle, MSSQL and Email database network backup system

• Designed and implemented VPN technology on all branches, enhance corporation system

security

• Adjusted and managed AD, Exchange, DHCP, WSUS, WDS corporation system with the

continuous expansion of the company’s business

• Implemented MST, HRSP technology to improve the stability and security of enterprise

networks

• Maintained and supported Server room including network wiring, HVAC cooling, UPS and

hardware procurement

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RAY LI

Phone: 647-***-**** *********@*****.***

IDG (International Data Group) China, Beijing, China

International Data Group (IDG) is the world’s leading IT publishing, market research, exposition and Conference Company,

with 13,270 employee worldwide and 2012 revenue of US$3.4 billion.

Network Engineer 2008 -

2009

• Maintained company Juniper Netscreen firewall, Cisco routers and switches to ensure the

structural safety of the network, to ensure normal network requirements

• Configured and managed windows, Linux servers, included Linux firewall, file server, DNS

server, Postfix mail server

• Administered over 500 workstations, printers, projectors, and servers, supporting company’s

personnel via in-person, email, phone and remote assistance

• Recovered data from corrupted database, reconfigured and migrated; Set up disaster

recovery and data backup policies

People’s Daily Online LTD, Beijing, China

People.cn is a large-scale information interaction platform constructed by People’s Daily – one of the world’s top ten

newspapers. It is also one of the largest comprehensive Internet media on the Internet.

Network Support Engineer 2004 -

2008

• Based on user characteristic setup DHCP, VLAN and NAT on cisco routers and switches to

implement network access

• Created and maintained Active Directory, Email system, Office Automatic system and file

system user information

• Installed and configured computer hardware and software, perform user data migration

• Management and troubleshoot over 600+ nodes

• Maintained copy machines, scanners, printers, etc.

EDUCATION

• Computer Science and Technology, Degree

2005

• Harbin Institute of Technology, China

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RAY LI

Phone: 647-***-**** *********@*****.***

• Assessed by ICAS as a Bachelor’s Degree (four years)

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