Василь

Vasyl Didukh
Senior System and Network Engineer

Profile:
Microsoft Certified Systems Engineer with over 20 years of enterprise level experience in administration, supporting, optimizing and troubleshooting Windows 2000/2003/2008R2/2012R2/2016/2019 server platforms, product line Applications delivery, Backup systems, Exchange 2003/2007/2010/2013/2016/2019/Azure, Active Directory. Advanced knowledge of Active Directory Group Policy, DNS, TCP/IP, Blackberry Enterprise Server and Disk imaging applications. Superior technical knowledge of local area network administration. Possessing strong analytic skills and experience with advanced troubleshooting and root cause analysis. Able to identify business goals, develop strategy, estimate resources and deliver projects on time and within budget. Experienced in areas of change management, procurement, vendor management and management of infrastructure services. Vasyl bilingual in French and English

Education
Network Internet Security specialist Humber College Toronto, On, Canada 2007
Systems Administrator Oxford polytechnic college, UK2002
Master-degree Computer Science Post-graduate of Université Paris Sorbonne (Paris IV)2000
Master-degree Computer Science Post-graduate of Lvov Stat University
“Lvivska Polyteknika”, Ukraine 1997
Specialist “Applied mathematics” Lvov Polytechnic Institute, Ukraine1992

Technical Certifications
Microsoft 365 Certified: Messaging Administrator Associate2020
VEAM Administrator2018
Microsoft Certified: Azure Security Engineer Associate2019
DRS Engineer Certificate2020
Symantec Administrator2016
Cobit5 certification2016
NetIQ administrator certification2016
Linux+ Certification2016
CCNP Certification2016
MCSE Certification2013
MCSA Certification2003
RIM BES 10 administration 2012
Microsoft Lync Server 2010, Administrator Certification2011

Experience
RELEVANT SKILLS AND ACCOMPLISHMENTS

IT Consulting, Project management, Microsoft infrastructure solutions delivery:
• Development, implementation and support MS Windows network infrastructure in Public and Private sector.
• Internal and External communications networks maintenance and upgrade.
• Enterprise email & Backup solution, Symantec Endpoint Protection 12.5 implementation; Symantec
• Secure Web Gateways.
• Citrix Access Suite Products: Citrix XenApp 4.0/4.5/5.0/6.0,Citrix XenServer, Pas. Manager, etc.
• Network Disaster Recovery plans and implementations.
• Server Virtualization: VMware ESX Server 3.0/3.5/5.5/6.5, Citrix XenServer, MS Hyper-V

Server hardware:
• IBM servers: xSeries, iSeries.
•HP servers: DL Series, ML Series, MSA storage
•Dell PowerEdge server: 3, ,9 series
• Fort iGATE

Software Packages, Management tool, Networking:
Windows 2000/2003/2008R2/2012r2/2016 Servers, Domino Server, Linux Red Hat 6/7/8, SCO UNIX Ware 7.2, Zen UNIX Novell NetWare, Apache, MS SQL 2000/2005/2012, Azure Exchange, O365, Azure, MSExchange 2003/2007/2010/2013/2016, Symantec Endpoint 12.5; Symantec Secure Web Gateways; Active Directory Security & Group policies; Enterprise MacAfee Antivirus management; Citrix XebApp server; VERITAS Backup Exec; DFS replication, LDAP, DNS, Microsoft Framework, VMware ESX 5.0/5.5/6.5, Application Virtualization , NetIQ 8.0/9.1, Double Take Replication, CheckPoint and Fortinet Firewalls, Clearswift email and web gateways, Fortinet email and web gateways;

Security
VPNs (Site-to-Site, IPSec, Remote Access, SSL, WebVPN, GET VPN, DMVPN, ezVPN), Cryptography, AAA, Radius, Aruba Clear Pass NAC with Proxy / VPN / firewall, TACACS+, Kerberos, Cisco CAR Radius Proxy, Cisco Authentication Proxy, Access Lists, NBAR, IOS Firewall, IOS Security, 802.1x, CBAC, DDoS prevention, Cisco IDS, Cisco IPS, Cisco CSA, CiscoWorks Firewall, Palo Alto Networks firewalls & IDS MC, PKI, CA, Cisco Secure ACS, Cisco VPN Concentrator, Cisco PIX / ASA Firewalls, Cisco VPN Client, Cisco AnyConnect Client, Cisco CSM, Cisco NAC / CANAC, Cisco MARS, Cisco IronPort, Cloud Security (ScanSafe, Cisco ASA 1000V), Cisco VSG, Cisco ISE, Cisco IP Video Surveillance and Access Control, Juniper Netscreen Firewalls, Astaro Firewalls, Checkpoint / Nokia VPN-1/Firewall-1 NG, Fortinet Firewalls, Linux IPTables, TrendMicro12.

Projects
04/2022-PresentSr. Microsoft Windows admin-Lead Consultant (contract)
BMO, 100 King St W, Toronto, ON-
• Support and deployment High Availability Clustered MS SQL on MSAzure.
• Support, implemented and maintained HA Disaster Recovery Site
• Planning and realization MS SCOM Upgrade
• Analyzing, Troubleshooting of various hardware, software and operating system related problems
• Implemented and support project migration MS SharePoint to SharePoint 365
• Realized /support High Availability Clustered Active Directory components for Exchange infrastructure.
• Managed servers utilizing VMware ESX and MS Windows 2019 Hyper-V technologies.
• Comprehensively maintaining network including servers, clients and peripheral devices.
• Created and implemented Firewall rules.
• Maintenance virtual and physical network environment
• Support infrastructure and made cross training for IT staff from Global Communication Department.
• Build, implemented and troubleshooting GP company.
• Deployment and upgrade Hybrid- Exchange Infrastructure.
• Configured and support Weem backup for Exchange.
• Applying and support Automated Governance Principles to the World of DevOps platform

03/2021-03/2022Sr. Microsoft consultant(contract)
HydroOne, Markham, ON.
• Designed and implemented project migration from Windows servers 2003 to 2019
• Designed and implemented project migration from Windows servers 2008R2 and 2012R2 to MS Azure.
• Design/build High Availability Clustered MS SQL on MSAzure.
• Designed and planning HA Disaster Recovery Site
• Planning and realization MS SCOM Upgrade
• Designed and implemented project migration MS SharePoint to SharePoint 365
• Design/build/support High Availability Clustered Active Directory components for Exchange infrastructure.
• Preparing, planning, realized migration MS Exchange 2016 to O365 (Hybrid).
• Support infrastructure and made cross training for IT staff from Global Communication Department.
• Deployment and upgrade Hybrid- Exchange Infrastructure.
• Configured and support Weem backup for Exchange.
• Configured and upgrade TrendMicro for Exchange component.

12/2020-03/2021Exchange Servers Administrator (contract)
Moneris Solution Ltd., Bloor W 3300, Toronto, Ontario.

• Design/build/support High Availability Clustered Active Directory components for Exchange infrastructure.
• Planed and configured Exchange High Availability and load balancing for Moneris,
• Migrated 10,000 accounts from MS Exchange 20010- 2019(Hybrid with O365)
• Post migration support.
• Training the IT personnel to new system.

04/2014-12/2020Senior System and Network Analyst (full-time)
Buduchnist Credit Union, Bloor W 2280, Toronto, Ontario.
• Design/build/support High Availability Clustered Intel Active Directory components for Exchange infrastructure.
• Designed and implemented project migration of 275 accounts from MS Exchange server 2010 to 2016.
• Designed and implemented project migration of 275 accounts from MS Exchange server 2016 to O365.
• Designed project of build MS Link communication server 2016.
• Planning and administration of Office 365.
• Microsoft Cluster Services (MSCS) to support over 275 mailboxes;
• Managed multiple Windows 2003/2008 R2/2012R2 2016 Active Directory, Domain controllers
• Designed and implemented reports using Microsoft Dynamics.
• Designed and implemented migration Microsoft Dynamics to Microsoft Dynamics 365.
• Designed and implemented project migration from Windows servers 2012R2 to 2016
• Designed and implemented project migration from Windows servers 2016 to Azure.
• Design/build/support High Availability Clustered MS SQL components for Operation baking day.
• Preparing and implementation migration MS SQL from 2005 to 2012
• Preparing and implementation migration MS SQL from 2012 to 2016
• Build Veritas Backup system for MS SQL and supported it.
• Develop and update the Veritas Backup include VMware Hosts, MSExchange.
• Build Web Site basing MVC Frameworks platform. Support and deployment it.
• Support project migration Nortel PBD telephone system to VOIP Avaya office
• Support and analyzing Operation processes in the banking OS
• Analyzing and supporting processes in IT infrastructure.
• Designed and planning virtualization operation environment VMWAR 6.5
• Designed and planning HA Disaster Recovery Site
• PowerShell script for monitoring, updating, deployment of software and custom servers.
• Installing and Deployment NetIQ APP 9.1
• Installing and deployment Tableau Desktop, Tableau Server, Tableau Reader
• Administrated and managed Cisco IronPort™ S670 WSA
• Deployed and updated Symantec Endpoint 10,11,12.5
• Administrated SEP 11-12.5
• Planning, installing Sophos Enterprise Solution
• Planning, installing Ensilo Enterprise Solution
• Planning and relisted a migration from SEP 12.5 to Sophos Enterprise Solution.
• Planning, deployment and supported VPN for remote connection, the COVID 19 solution of remote connection at employees to work station.
• Deployment and configuring BlueCoat ProxySG SG300-25 Secure Web Gateway
• Developing and support network infrastructure Citrix XenApp
• Supported products and solutions included: CheckPoint and Fortinet Firewalls, RDS Remote Desktop and RemoteApp servers, Multi-branch Microsoft DFS-R, CISCO Routers, Avaya/Extreme switches, Clearswift and Fortinet email and web gateways
• Create Forum TV site on Tomcat platform, supported it and developed using Java applets.
• Annalise and optimize traffic on the corporate WAN and LAN using Wireshark ver.:3.3.4.4
01/2014-04/2014Exchange Servers Administrator (contract)
Moneris Solution Ltd., Bloor W 3300, Toronto, Ontario.

• Design/build/support High Availability Clustered Intel Active Directory components for Exchange infrastructure.
• Planed and configured Exchange High Availability and load balancing for Moneris, Blackberry 5 and 10 building, administration, monitoring and support for over 3000 users.
• Exchange 2010 solution utilizing
• Microsoft Cluster Services (MSCS) to support over 3,000 mailboxes;
• Managed multiple Windows 2003/2008 R2 Active Directory, Domain controllers
• Realization and support Project “Sunrise”
• Upgrade and maintain OCS 2007 to MS Lync.
• Implemented and managed Symantec LAB.
• PowerShell scripting to change, amend and update for monitoring systems.
• Provided 2 and 3rd level technical escalation management for clients and the Professional Services team. Analyzed and resolved email issues including, but not limited to, non-delivery, delays, spam and virus infections, server or client disconnections;
• Migrated 10,000 accounts from Lotus Notes to MS Exchange 2007.
• Migrated 10,000 accounts from MS Exchange 2007- 2010.
• Installed and configured SCOM 2012 to monitor Exchange and Blackberry servers.

04/2013-12/2013Systems Administrator
Appleton &Associate International Lawyer, Toronto, Ontario.

• Design/build/support High Availability Clustered Intel Active Directory components for Window Server 2012 Small Business infrastructure.
• Planed and configured Exchange High Availability and load balancing for company, Blackberry 5.x administration, monitoring and support for over 50 users.
• Exchange 2013 solution utilizing
• Planed migration from Windows 2003 to 2012;
• Managed multiple Windows 2003/2008/2012 Active Directory, Domain controllers
• Administered servers Firewalls, MS ISA Server 2012.
• Administrated Sun Storage.
• Did Storage Management SME
• Design/build/support High Availability Clustered MS SQL 2012 components for Database Ibiez AD Summation.
• Build, support the mobile MSSQL server for court presentation.
• Supported Database Ibiez AD Summation
• Build Cloud and use Microsoft Forefront Identity Manager (FIM) 2010 R2 to resolve these issues by providing self-service identity management for users.
• Managed servers utilizing VMware ESX and MS Windows 2012 Hyper-V technologies.
• Comprehensively maintaining network including servers, clients and peripheral devices;
• Provide liaison with technical support providers an IT suppliers;
• Advising the management on IT maintenance, acquisitions and enhancements and implementing approved recommendations;
• Planning, advising, implementing and maintaining network security and backup operations throughout all servers/client’s operations and locations (Toronto and Washington DC).
• Implementing, maintaining and administering videoconferencing, telephone and converged systems and mobile communication service providers.
• Providing Audio Video conferencing - Polycom technology

04/2010-03/2013Exchange Servers Administrator (contract through the TES)
IBM Canada, 3600 Steels street, Markham, Ontario.

• Design/build/support High Availability Clustered Intel Active Directory components for Exchange infrastructure.
• Planed and configured Exchange High Availability and load balancing for National Bank of Canada, Blackberry Enterprise Server4.5 and 5.x building, administration, monitoring and support for over 10000 users.
• Exchange 2007 solution utilizing
• Microsoft Cluster Services (MSCS) to support over 50,000 mailboxes;
• Managed multiple Windows 2003/2008 Active Directory, Domain controllers
• Migrating and maintain Active Directory 2000/2003 to 2008; Exchange 5.5/2000/2003/2007 to 2010 for Alberta Financial Group (ATB project Fenix)
• Upgrade and maintain OCS 2007 to MS Lync.
• Implemented and managed anti-virus solution utilizing Symantec Mail Security.
• Provided 3rd level technical escalation management for clients and the Professional Services team. Analyzed and resolved email issues including, but not limited to, non-delivery, delays, spam and virus infections, server or client disconnections;
• Implemented backup/recovery systems based on Tivoli Storage Manager solution;
• Installed and configured Microsoft Operations Manager 2005 to monitor Exchange and Blackberry servers.
• Build and support Citrix Presentation server for Web Hosting customers.
• Citrix XenApp 6.5 – Application delivery support and troubleshooting.
• Remote access and branches consolidation design / implementation using Citrix Suite Products
• Perform root cause analysis of issues/problems and create preventative measures.
• Complete Firewall migration from Cisco Works VMS Firewall MC to Cisco Security Manager (CSM). Setting up virtual VMWare lab machines to test before migrating to the live system. Migrating thousands of network objects, services, service groups, NAT translation rules, firewall rules etc. to the CSM. Fine tuning the CSM and
• Project Aurora Migration Datacenter to VMWare and build, deployment, support VMware vCenter Site Recovery Manager 5.0
• Project “Stella” Updated Email system and AV Protection on TD Banc (Deployment SEP12, install and deployment Cisco IronPort™ WSA solution
• Support and upgrading Cisco IronPort™ WSA
• Installing and deployment Symantec Secure Web Gateways
• PowerShell scripting for monitoring system administration customer handover.
• Administration of Lotus Notes and deployment, upgrading and implementation.
• Installed and administered MS Checkpoint.
• Administered servers (MS Windows Server 2003, 2008) for ATB, mail server (MS Exchange 2010), DNS, DHCP, WINS, Firewall (MS ISA Server 2006), MSQL (MS SQL 2005).


06/2009-01/2010Systems Engineer/Team Leader (contract)
Softcom Consulting Technology Inc, Toronto, Canada. http://www.myhosting.com


• Managed project risks, issues, multiple implementation phases, and testing through Enterprise Change Management Systems and other technology systems.
• Symantec Endpoint Protection - Installation / Policy / Notification setup and configuration;
• Planning for the conversion, prepare the servers/documentation for the transition;
• Planned and performed the migration of user’s mailboxes from MS Exchange Server2003 to MS Exchange Server 2007;
• Deployment MS OCS 2007
• Building, administration, testing and deployment Linux, AIX and Sun servers;
• Planned and developed corporative network structure;
• Internet security setup for Linux and Solaris systems (web servers – Apache & Tomcat, mail servers, DNS servers etc.
• SQL server installation, data store procedure scripting, SQL backup setup;

03/2009-05/2009Network Technical analyst-consultant (contract)
OnX Enterprise Solutions Ltd., 155 Commerce Valley Drive, E. Thornhill, Ontario

• Planned and performed the migration of users and file server data from MS Windows Server2003 to MS Windows Server 2008
• Planned and performed the migration of mobiles users from MS Windows 2000 to MS Windows Server XP
• Provided day-to-day Operations to complete implementation of organization-wide Change Management Process. During this project, our team of 5 fulfilled operational responsibilities and migrated from a manual to an automated CM system by designing, developing, and detailed procedures for managing Changes to infrastructure and applications.
• Wrote scripts to automate administrative tasks (Unix Shell, C)
• Created and Developed data-base corporate customers (MS SQL, Delphi)
• Provided help-desk support

12/2007-02/2009Systems Administrator (security specialist) (permanent)
“Best Forever Ltd.”, 920 Alness St North York, ON M3J 2H7

• Administered file servers (MS Windows Server 2003), mail server (MS Exchange 2000), DNS, DHCP, WINS, Web Proxy and Firewall (MS ISA Server 2000), MSQL (MS SQL 2000).
• Administered CISCO hardware (Cisco PIX 515E Security Appliance, Cisco PIX 525 Security Appliance, Cisco PIX 525 Security Appliance, Cisco Catalyst 6500 Series, Cisco Catalyst 4500)
• Developed and troubleshooting VOIP and IP-tel. systems.
• Planned and developed infrastructure and clustering division in client networking.
• Administered and developed Blackberry Enterprise server 4.16.
• Active Directory and MS Exchange server disaster recovery / backup / Antigen / Forefront security.
• Administered MS Checkpoint.
• Deployment and maintain OCS 2007 for Exchange 2007
• Active Directory group policy management and implementation.
• Provide primary technical escalation management for clients and the Professional Services team.
• Symantec Endpoint Protection 10.0 suite architecture and implementation.
• Technical analysis of Active Directory infrastructure conducted on-site.
• Citrix XenApp 5.5 – Application delivery support and troubleshooting.
• Remote access and branches consolidation design / implementation using Citrix Suite Products
• Perform root cause analysis of issues/problems and create preventative measures.
• Interface with vendors and other support groups to ensure proper escalation and coordination
• Monitor performance of server hardware/software and make appropriate change to achieve optimal performance.
• Perform capacity planning to ensure appropriate hardware/software is deployed to meet business requirements.
• Administrated Sun Storage on a client site.
• Did Storage Management SME
• Administration of production, testing and development Linux, AIX, Solaris, SUN and FreeBSD servers
• Participates in defining technical architecture and ensures architecture supports current and future business requirements.
• Computer Systems Disaster recovery implementation, DR planning, documentation.
• Managed servers utilizing VMware ESX and MS Windows
• 2008 Hyper-V technologies.
• Implemented backup/recovery systems based on Tivoli Storage Manager solution;
• Administered messaging archiving solution utilizing
• Symantec Enterprise Vault software;
• Work in project "Antenna"

07/2004-11/2007Systems Administrator (permanent)
“WOOD ART J P INC.”, ETOBICOKE ONTARIO

• Performed technical tasks daily to ensure the highest level of network performance.
• Provided assistance and technical support to other staff members/vendors.
• Provided relevant expertise to cross functional support staff.
• Citrix Meta Frame XP server support, tune up and maintenance.
• SMS 2003, Exchange 2003 & AD administration, hot fixes package creation and deployment.
• Audited all assets including hardware, software, license support agreements, technical documentation.
• MS Windows Web Hosting environment support.
• Developed and implemented 400+ Intel Server’s farm migration strategy from in-house location to redundant Data Center.
• Completed NT4 – Win2003 Active Directory migration.
• Completed migration from Exchange 5.5 - Exchange 2003.
• SMS 2003 server - development & installation, developing upgrade strategy/policy with SMS 2003.
• Managed LAN environment consisting of 400+ Windows .NET servers.
• Designed and implemented corporate Data Storage solution.
• Implemented Corporate Disaster Recovery solution based on VERITAS Backup Exec 9.1 backup software.
• Maintained on-site and off-site data storage for backup media and archives.

05/2002-05/2004Systems Network(NISS) Administrator (contract)
“HSBC bank” London, UK
• Administered Ms Windows 2000 Server and Novell NetWare file server
• Wrote scripts to automate administrative tasks (Unix Shell, C)
• Created and Developed data-base corporate customers (MS SQL, Delphi)
• Provided help-desk support
• Designed, deployed and maintained WEB and FTP server
• Planned and developed corporative network structure
• Provided network and internet security of safety of financial streams in the network of company system administrator for Linux and Solaris systems (web servers – Apache & Tomcat, mail servers, DNS servers, …), mostly production systems, but also QA/testing
• Configured Red Hat kickstart server, Solaris jumpstart and System Imager
• Created automatic documentation generation system using custom scripts, ssh, cfg2html, rcs and Nagios to automatically create full HTML documentation of each server every day, storing older configurations using RCS
• Wrote backup scripts for specific directories and MySQL databases
• Installation of several Red Hat Enterprise and SuSE systems, installation of new monitoring server (on Debian) as a virtual machine using VMware Player and QEMU
• moved) to another building, taking care of mission critical servers
• Set up new QA and production servers, added/replaced hardware components of x86 and Sun servers
• Developed and supported SUN Station whit CAD System “Euvklid”.
• Troubleshooting of various hardware, software and operating system related problems
•