Abubakar Lasisi
Email: ******.********@*****.***
Phone: 857-***-****
Technical Skills:
Software:
Windows Server 2000/ 2003, Windows Server 2008 R2, Hyper-V,Active Directory, Exchange
Server 2003/2010, Internet Information Services (IIS), HTTP, FTP, Telnet, SSH, VPN, Apache,
SQL Server, MySQL, Unix, Lotus Notes, Firewall, Windows NT, NetIQ, VERITAS Backup,
Arcserve, Linux, VMware ESX, vCenter, vMotion, Oracle Database, System Center Virtual
Machine Manager (SCVMM), SCCM 07/12, APP-V, MED-V, Windows Deployment
Services, TAM, Microsoft Deployment Toolkit, Platespin
Hardware:
IBM Netfinity Server, HP Netserver, Dell PowerEdge Server, ThinkPad, Dell Latitude Laptops,
Dell OptiPlex and Precision workstations, Cisco Routers and Switches, Cisco Aironet Wireless
Networks, Blackberry and Windows Mobile Devices.
Operating Systems:
Windows Server (2008, 2003, 2000, NT 4.0), Windows (7, Vista, XP, 2000, ME, 98/95), MAC,
DOS, UNIX/Linux (OSS), Novell, Netware
Certifications/Training:
MCSE - Microsoft MCSE server + Security Specialist
MCITP - Database Administrator 2008
MCITP - Virtualization Administrator on Windows Server 2008 R2
CITRIX - Citrix Certified Administrator for Citrix XenApp 6/XenDesktop5
CompTIA- Server +
CISCO – Cisco Certified Network Associate
ITIL - ITIL v3 Foundation
DCSE - Dell Certified Systems Expert foundation Desktops/Portables
Education:
Lagos City Polytechnic
BSc. in Computer Science
Aspect (Boston, MA)
Exchange/ Lync Engineer Apr. 2013 - Present
Supported Unified messaging infrastructure for 3000 users in an international
environment (APAC/EMEA/NA)
Managed Lync co-existence environment Lync 2010/2013
Planned and executed Lync server/client updates
Provided Level 3 support for Exchange 2010
Coordinated and trained the helpdesk for level 1 support of Lync and Exchange
Reviewed and updated troubleshooting documentation for helpdesk/user
Recommended and documented best practices of Lync use to Lync performance and
increase users experience
Worked with Microsoft SMEs to review infrastructure as a gold partner
Managed Lync/exchange communication with federated partner
Designed SQL backend system to monitor system misuse (top video users, longer time
calls etc) and detect fraud (short distance call, short conference call, call forward etc) for
audit
Trained helpdesk to understand and better support users with the necessary access on lync
2013 system
Configured SCCM to monitor lync 2013 server performance with required watchnodes in
each region (APAC, EMEA & NA)
Deployed Test environment for Lync 2013 and Exchange 2010 with full functional active
directory
Market Perceptions Inc (Denver, CO)
Exchange Architect Mar. 2012- Mar. 2013
Architect for 40,000 mailbox messaging environment and implemented migration plan
from Exchange 2007 to Exchange 2010
Utilized Quest Migration Manager to facilitate the cross forest migration
Aligned source forest Active Directory structure with Microsoft’s Best Practice
Deployed F5 BIG-IP load balancer for high availability CAS Array solution
Single site implementation of Database Availability Group solution for mailbox database
resiliency
Configured Database Activation Coordination to facilitate mailbox database integrity
Created post migration documentation for project handoff to ongoing support
Developed and Deployed PowerShell scripts to perform data metrics gathering of
mailbox databases
Performed migration from OCS 2007 standard edition to Lync 1010 Enterprise Edition
Developed High Availability and Cross Site resiliency for Lync Front End Pool
Abubakar Lasisi
Deployed F5 Network Load Balancer for Lync Front End and Edge Server Pools for
optimal performance
Clackamas Community College (Oregon City, OR)
Messaging Professional May 2011-Feb. 2012
Implementation Lead and architect for Exchange 2003 to Exchange 2010 migration of
23,000 user mailboxes
Utilized existing VMware ESX environment to conduct proof of concept for migration
Adhered to Microsoft’s standards by performing capacity planning for all mailbox servers
Deployed Citrix Netscaler as hardware load balancing solution for CAS array
Implemented Data Availability Group (DAG) for high availability and site resiliency
Configured Exchange Client Access including OWA, RPC over HTTP, Active Sync and
Autodiscover
Designed and implemented multiple AD, DNS, DHCP across windows server platforms
Installed SQL databases for following Blackberry Enterprise 5.0.2 install
Designed and engineered Lync 2010 with UM and PBX integration
All server roles except Mediation Server running on ESX host for additional redundancy
Integration of Lync Client and existing telephone system
Integrated Lync 2010 and Exchange 2010 for IMs within OWA
Valley Regional Fire Authority (Auburn, WA)
Messaging/System Admin Jul. 2010-Apr. 2011
Performed site analyses for existing environment to improve efficiency
Physical to Virtual transition of Windows 2003 servers to Hyper V platform
Contributed to corporate deployment of SCR disaster recovery solution
Facilitated Exchange 2003 to Exchange 2010 migration of 10,000 mailbox accounts
Implementation of Cluster Continuous Replication as a high availability solution for
mailbox server roles
Configured Kemp hardware load balancing solution for increased performance of
deployed client access server array
Installation of Exchange 2007 server roles for Exchange 2003 Migration
Crowley Maritime Corporation (Jacksonville, FL)
Network and Active Directory Admin Dec. 2009 - Jun. 2010
Administered support for Active Directory spanning across multiple sites
Creation of Group Policies (GPO)
Installed Microsoft Outlook for Clients and provided desktop support
Configured port rules for Barracuda Hardware firewall
Deployed Cisco Layer 3 switches and completed creation of VLANs
Wrote end-user training documentation as well as performed risk evaluation
Zenith International Bank PLC. (Nigeria)
Infrastructure Support Engineer Jan.2007 – Nov. 2009
Supported and administered network infrastructures and telecommunications systems of
Data Center that supported more than 1000 staff
Configured, monitored and maintained Virtual Server farms consisting VMWARE, Citrix
and HyperV
Participated in migration of ED-novel to AD-Microsoft, SharePoint, exchange, file and
WEB servers
Managed UNIX/Linux, SQL, Microsoft/Wintel servers to ensure reliability
Implemented TCP/IP services on server for DHCP, VPN,WINS, DNS, IIS, and FTP etc.
Perform Second level support to Network devices like routers, switches firewall, load
balancer to maintained High security and functionality
Participated in Implementation Management (CIM), document and submits change
control result to management
Established administrative responsibilities including the addition and changes to users'
desktop and creation of user/email accounts on Active Directory
Installed and configure servers on RAID and Clustering, NAS/SAN in addition to
facilitating backup & restoration
Configured and supervised monitoring status of scanners and printers utilizing HP Jet
admin in addition to upgrading printer firmware and handling installations
Supported servers for transaction of commercial payments for the public
Habmon Technology ltd (Nigeria)
Helpdesk/LAN Technician Aug. 2004 – Dec 2006
Supported User/Customers on-site and remotely
Abubakar Lasisi
Installed and Configured desktop PC's, determined hardware/software problems,
troubleshoot connectivity problems, and make sure user fulfilment
Installed and Maintained Network/Stand-alone Printers and scanners
Reviewed and custom built computers to outfit clients' requirements