Dan Koopman Email & Phone Number

New York, Ny, Us

New York, Ny, Us

New York, Ny, Us

- Implemented Email Archiving solution using MetaLogix.- Upgraded VM ESXi Servers from 5.1 to 5.5.- Installed and configured Cisco UCS B200 series Blade Server with 6 blades as part of Data Center build.- Administer and maintain multi-office Networking equipment and servers.- Support remote access capabilities, including mobile devices, Windows Terminal Server, Citrix Presentation Server and Outlook Web Access.- Manage firms SAN and NAS storage systems as well as VMware environment while monitoring data replication and backups using VTL and CDP technologies.- Maintain Microsoft Exchange 2003, 2010 and SQL cluster server environments.- Migrated Microsoft Exchange 2010 Archive solution to Symantec Cloud solution along with Email continuity.- Administer network security, web and spam filtering and anti-virus solutions- Manage and maintain the firm’s Cisco infrastructure consisting of Cisco 4500, 3750 and 2900 series switches and routers.- Design, install, test and deploy supporting servers and associated hardware and network infrastructure in support of business goals while researching and resolving hardware, software and network problems.- Coordinate with IT Manager, Network Administrators, and Director of IT with disaster recovery and business continuity design and planning as well as review impact of server changes and additions to disaster recovery and business continuity plans.

Us

Became Team Lead in October of 2010. Previously acted as Sr. Network Administrator.- Lead and executed companies Disaster Recovery plan and Business Continuity Plan.- Implemented Disaster Recovery sites in Secaucus, NJ and created procedure for business continuity.- Successfully migrated company e-mail from Lotus Notes 8.02 to a hosted Microsoft Exchange 2010 platform.- Performed Lotus Notes Database conversions to migrate all data into Microsoft Outlook 2007.- Responsible for managing the Email, Voice, Server Farm and Network Infrastructure.- Manage access and core layer switches and routers.- Supervise vendor relationships and facilitate issue resolution with respect to our products.- Plan, Manage, Support Windows server farm and coordinate Network Administration.- Manage firm’s infrastructure and application monitoring.- Review infrastructure expenses and formulate ways to reduce cost and improve performance.- Develop comprehensive business case proposals incorporating sound business justification with financial analysis.- Create, deploy, renew and Import/Export of all SSL certificates for the business.- Implementation of HP Lefthand SAN/IQ Storage- Manage and monitor HP SAN Snapshot Replication- Responsible for the migration of Physical servers to ESX virtual servers through use of VMware ESX server and VMware VirtualCenter.- Monitor and log server performance while making recommendations to the company to optimize potential issues or bottlenecks on the network.- Created and maintained database maintenance plan on all 2000/2005 SQL servers.- Manage and maintain Website content and application release management through the use of Websense Web Security Filter.- Implementation and administration of DNS, DHCP and WINS.- Configured and manage DHCP Server, DNS Zones for Dynamic Updates, Setup DFS and Configured Disk Quotas plus all record updates.

Hired to bring company from an NT 4.0 Domain structure into Windows 2003 Active Directory. Aid other administrators in the creation of login scripts with batch files and Group Policies. Vast planning and cleanup of old file structures and current directory structure to move and or duplicate into Active Directory. Rebranded company end of 2009 to Double Rock Corporation- Completed a successful migration from Windows NT 4.0 to Windows 2003 Active Directory.- Successful in performing cutover upgrade of The Reserve’s Blackberry 4.0 Enterprise Server to version 4.1.3.- Implemented a Windows 2003 cluster along with a Four Terabyte HP NAS 1200s SAN.- Team lead for The Reserve’s Help Desk division.- Maintain additional 20 Servers in The Reserve’s Disaster Recovery location- Manage companies SPAM filtering using Maysoft SpamSentinel Classic software and help fight Viruses with Symantec Enterprise Software with central repository.- In charge of The Reserve’s backup solutions using Symantec Netbackup and Backup Exec version 10.- Implemented VERITAS Netbackup 7.0: Creating standard Netbackup policies and taking back-ups of servers also the restoring of data as per customer request.- Participated in 24/7 on-call support program. - Support all Active Directory issues such as logon failures, locked accounts, DNS name resolution, authentication problems, network connectivity, replication issues, folders and printer permissions.- Manage IIS 5.0 / IIS 6.0 Web servers plus hosted web sites.- Configure all servers to send SNMP traps for all internal and external servers to the company network monitoring software, What’s Up Gold. Also created individual monitors for specific Event Viewer triggers. - With the use of Windows Server Update Services (WSUS) update servers and workstations with latest service packs, hot fixes and security updates.

Port Washington, Ny, Us

Recruited to work on Data General DG 20000 Mainframe and Micom Bridges to expand Sandata’s infrastructure to its clients. Was quickly promoted into the Networking group as a Windows Administrator for 100 + servers. Oversaw company wide efforts to implement login scripts and perform network monitoring to isolate bottlenecks and routing loops across their many domains. Diligently learned Lotus Domino Administration when previous Lotus professional stepped down during an R4 upgrade to version R5. After the R5 conversion, I was the sole Administrator of Sandata’s Mail environment. Adept in the upgrade process of multiple versions of Lotus Domino products and the expansion of utilizing Disaster Recovery sites to assist in exceptional up time for Sandata’s Lotus Notes user base.- Acted as Senior Lotus Domino Administrator for seven years where I have successfully took Sandata’s Lotus Domino environment from R5 to R6 and then to R7. This entailed the management of two clustered Domino Mail\Application servers along with two Domino SMTP servers running in a DMZ. - Setup and managed Sandata’s Blackberry server version 4.1 and Sametime IM version 7.0.- Extensive monitoring of server activity to keep Domino environment running flawlessly, - Skilled in the building, configuring, and installation of Windows NT4.0, Windows 2000 and 2003 using RAID, including tools such as DHCP, DNS, WINS, IIS, SNMP, and ICMP. - Utilized Lucent Brick firewall Technologies to maintain security as well as using a SNORT server to perform real-time traffic analysis and packet logging.- Supported routers and firewalls for Sandata along with two co-location sites and over 100 intranet sites.- Managed Sandata’s HP and Lucent Switches (layer 2 and 3) that included the tracking of all IPs across multiple Segments.- Acted as Senior Level Support for field Service Engineers who manage everything from the Server and Workstation to multiple sites using Firewalls, VPNs, and E-Mail.