Windows Systems Administrator
Resume:
Sin Hung (Steven) Wan
Brooklyn, N.Y. 11214
Mobile: 347-***-****
Email: **********@*****.***
Objective: To obtain the position of Windows systems administrator/engineer.
Summary: A Microsoft Windows server professional with seven years of experience in the Information Technology field. Major strengths in designing, administrating and maintaining Microsoft Windows 2000 and 2003 environment. Experience with Active Directory and Exchange administration. A hard-working individual with strong problem solving and interpersonal skills; able to work well both independently and as part of a team.
Certifications:
Microsoft Certified Systems Engineer (MCSE 2003)
Microsoft Certified Systems Administrator: Messaging (MCSA 2003)
Cisco Certified Network Associate (CCNA)
Technical Skills:
Applications/Technologies: Microsoft Windows Server 2000/2003 (32bit and 64bit), Microsoft Windows XP/Vista (32bit and 64bit), Microsoft Windows Active Directory, IIS and Clustering, Microsoft Exchange Server 5.5/2000/2003, Veritas Volume Manager 5.0, Veritas Netbackup 6.0, Acronis True Image 9, HP OpenView 4.6, IBM RealSecure Server Sensor 7.0, BigFix 6.0, EMC PowerPath, NSI DoubleTake 4.4, VMWare ESX 3.5, VMWare Virtual Center 2.5, Symantec Ghost Corporate and Anti-Virus Corporate, Aperture Vista 400, Lucent QIP 5.0, Windows Registry.
Hardware: HP ProLiant DL360/380/385/580/585 (G1 to G5) and BL460c G1, IBM xSeries 336 and 366 Servers, Dell PowerEdge 1850, 2850, 6450 and 6650 Servers and PowerVault 220S SCSI Storages, Iomega StorCenter Pro NAS 400r, Barracuda Spam Firewall 400, Cisco 2600 and 3600 series routers, 2900, 3500 and 3700 series switches and PIX firewalls 520.
Work Experience:
Lehman Brothers, Inc., Jersey City, NJ
Windows Engineer, July 2006 – November 2008
-Managed, deployed and supported Windows Server 2000/2003 and Active Directory-based LAN/WAN environment consisting of 3,500+ Windows servers including virtual servers running in VMWare ESX 3.5 clusters.
-Scheduled, implemented and verified systems patches, security hotfixes and SAV definitions on a monthly basis to ensure all Windows servers are security compliance.
-Installed, supported and configured software applications that run on Windows 2000/2003 servers; provided ongoing software maintenance, including updates and security patches.
-Monitored availability and performance of application and infrastructure servers.
-Implemented, configured and supported multi-nodes Windows clusters for critical applications such as Microsoft SQL server farm.
-Migrated, rebuilt and virtualized Windows 2000/2003 servers to VMWare ESX 3.5 clusters.
-Troubleshot and repaired hardware, software and performance related issues via using performance monitor, memory pool monitor, Dr. Watson tool, and Windows debugging tools for blue screen troubleshooting.
-Maintained and verified daily and weekly systems and data backups.
-Coordinated and participated in cross-team infrastructure projects such as infrastructure applications deployment and upgrades, Windows server service pack upgrades, hardware firmware upgrades, server relocation, datacenters power down/up and etc.
-Engineered and tested infrastructure application packages prior deployment to on all Windows servers.
-Experienced with disaster recovery planning and execution.
-Developed and maintained documentation related to the installation, administration, and maintenance of 3,500+ Windows 2003 Servers.
Manhattan Telecommunications, Inc., New York, N.Y.
Junior Systems Administrator, January 2005 – July 2006
-Administered and supported over 50 Windows servers and provided level-3 network and desktop support to 250+ workstations and users.
-Performed day-to-day systems administration in maintaining user and email accounts, computer objects, network shares and printers within the Microsoft Active Directory network.
-Monitored Active Directory replication and critical services for Exchange, SQL and web application servers including storage and logs.
-Implemented and maintained network security policies using Group Policy.
-Addressed server security issues and applied appropriate security patches and upgrades.
-Maintained system backups on NAS devices.
-Supported and administered mobile computing environment, RADIUS and VPN services.
-Implemented rack cable management to maintain system reliability and scalability.
-Participated and performed an Active Directory domain 2000 to 2003 and Exchange Server 5.5 to 2003 migrations.
-Assisted in implementing and providing support for Citrix servers’ farm.
-Managed inventory of IT assets.
Laquila Construction, Inc., Brooklyn, N.Y.
Network and Desktop Support, July 2003 – December 2004
-Provided network and desktop support for 50+ workstations and users in a Windows 2000 environment.
-Installed, tested, troubleshot and maintained hardware and software for Dell and IBM desktop/laptop computers.
-Assisted systems administrator in creating, deleting and managing user accounts, computer objects and printers in Active Directory.
-Performed upgrades to software applications on individual computers.
-Identified, evaluated and corrected hardware, software and operational problems.
-Maintained anti-virus definitions and updates.
-Analyzed and resolved log on and workstation connectivity issues.
-Maintained and configured network Hewlett-Packard laser printers.
-Provided technical guidance and training to staff.
Lisa Ashley, Inc., New York, N.Y.
Part-time PC Technician, September 2001 – June 2003
-Analyzed hardware and software issues for Windows 98 and 2000 workstations.
-Installed and upgraded computer components, such as hard drives, motherboards, CPUs, memory chips and network cards.
-Maintained Windows and anti-virus updates.
-Troubleshot and maintained Hewlett-Packard printers.
-Configured workstations and printers for network connectivity.
Education:
New York City College of Technology, Brooklyn, N.Y.
Bachelor of Science in Telecommunications
Graduated: June 2003
GPA: 3.6
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