Technical Resume of Laurens DeHaan, MCSE, CNE, CCNA

12/01 – Present
Saybrook Graduate School, San Francisco, CA
Senior Network Administrator

Assisted with the conversion of network nodes from Token Ring to Ethernet
Network administrator responsible for a dozen Windows NT/2000 servers
Work with 3–person IT support group and provide technical assistance to junior IT staff
Planned and managed upgrade to Windows 2000 on the server and desktop
Planned and implemented network security review and upgrade
Manage vendor relationships for outsourced e-mail and telephone service
Researched and selected replacement hosting providor for e-mail and web hosting
Oversaw revision and implementation of tape backup scheme for servers and client PCs
Manage redundant e-commerce servers based on MS SQL 2000 and IBM WebSphere 3.5
Installed and configured monitoring system using open source tools and WhatsUp Gold 8.0
Planned, implemented, validated and documented system and network changes

4/01 – 04/01
Comsys, Inc., New York, NY, assigned to O'Melveny & Meyers, San Francisco, CA
Network Technician

8/00 – 12/00
PayWise, Inc., New York, NY, assigned to Mellon US Leasing, San Francisco, CA
Interim Senior LAN administrator

Assumed responsibility for 2 NetWare 4.11 file/print and 6 NT 4.0 application servers
Applied firmware, OS and application upgrades to file and application servers
Assisted with the migration of NT 4.0 workstations from Dell Pentiums to IBM Pentium IIIs
Provided 3^rd–level support to 4-person help desk for workstation and network issues
Assisted with screening, interviewing and selecting new full-time junior LAN administrator
Familiarized new full-time Senior LAN administrator with network and server configuration
Troubleshooting and problem resolution for computer operations.

2/00 – 8/00 San Francisco Department of Public Health, San Francisco, CA
IS Engineer, Principal

Managed several enterprise NetWare 4.11 and NT 4.0 application and file and print servers
Provided technical guidance to 2 IS engineers in resolving enterprise application issues
Assisted 2 team members with optimizing server tape backup procedures
Upgraded 4 Microsoft SNA servers to address application reliability issues
· Liaised with the enterprise network group to troubleshoot and resolve various problems

04/99 – 10/99
PayWise, Inc., New York, NY assigned to Mellon US Leasing, San Francisco, CA
Interim Senior LAN administrator

Supervised 4-person help desk in the Technical Services Manager's absence
Troubleshot server and network performance problems using LANAlyzer 2.2
Prepared NT/Novell network for audit by ensuring compliance with corporate standards
Provided 3^rd–level support to 4-person help desk for workstation and network issues

05/97 – 3/99
Pomerantz Payroll Services, Watchung, NJ
assigned to Mellon US Leasing, San Francisco, CA
Interim Senior LAN administrator

Senior LAN Administrator, responsible for network administration and project planning
Oversaw creation of ARCServe-based multi-server NT and NetWare backup scheme
Determined hardware requirements for new leasing system based on NT 4.0 server
Provided 3^rd–level support to the 4-person help desk for workstation and network issues
Oversaw creation of ARCServe-based multi-server NT and NetWare backup scheme
Planned and implemented token ring network reconfiguration to improve performance
Applied OS patches and hot-fixes to NT servers and workstations for Y2K compliance
Upgraded NetWare server to 4.11 and applied additional OS patches for Y2K compliance
Installed, configured and monitored NetWare and NT server anti-virus scanning
Built dedicated NetWare server for tape backup and performed software migration
Configured and installed 2 Compaq ProLiant 3000 servers for NT server project
Installed backup domain controller to improve login speed for local users
Configured Insight Manager on NT-based PC to continuously monitor 7 Compaq servers
Reconfigured PCs from local to network-based Windows 3.1 using McAfee NetTools
Designed NDS tree in consultation with IS, department managers and LAN support team
Involved with and documented consolidation of 2 NetWare 3.12 servers to NetWare 4.10

Managed 6-server NetWare 3.1x and 4.x 16Mbps Token Ring network with 250+ nodes
Monitored and optimized network performance using LANalyzer 2.1 and NetWare utilities
Ensured data integrity using UPS monitors, anti-virus scanners and tape-backup systems
Planned, implemented and documented various network and server upgrade projects
Provided 3^rd–level workstation support as part of 4-man team
Assisted team of consultants with rollout of NT workstation to approximately 200 users

Hardware Proficiency

Various Compaq and Dell single and multi-processor, tower and rack-mounted servers
Various business–class IBM–compatible PCs
Compaq SMART–2 and Dell PERC RAID controllers
Adaptec SCSI controllers
DLT and DAT tape drives
HP JetDirect Token Ring and Intel Netport Ethernet print servers
Cisco 2500-series routers
Cisco 2924XL Fast Ethernet switch
APC Smart-UPS

Software Proficiency

Operating Systems: