OBJECTIVE

Certified, goal - driven IT professional, with 16+ years of experience in full range of Citrix and MS Windows life cycle, with proven ability to resolve unforeseen situations under high pressure in short period of time, with strong business writing/verbal communicational skills, experienced in working in constantly changing multicultural Investment Banking environment with teams spread around the globe.

SUMMARY

• Virtualization (design/deployment/management), hypervisors: Microsoft Hyper-V, VMWare vSphere and vCenter v5-6 (vMotion, DRS Cluster, HA, vSAN); XenServer;
• Do applications migration, onboarding and adapting new into environment, CMD/PowerShell/Bash, create/amend logon/logoff/run automation scripts; perform design and deployment highly available (HA) and disaster recovery (DR) solutions; MSSQL/SSRS deployment and support;
• Proficient in Network TCP/UDP IP protocols, variable subnet masks, 7 OSI levels;
• Have strong leadership abilities, good in running new department, interviewing and training new joiners, creating studying programs, prepare to handover procedures and transfer knowledge, good in writing policies and process documentation. Have four years of experience as Confidential, experienced in hardware/software budgeting and planning, have strong trouble shooting skills (Sysinternals, Wireshark, Resource and Performance monitor, etc.);
• Able to provide customer oriented service & effective on-call/remote support, 24/7 day/night shifts, ability to work under high pressure in multiple tasking and few projects environment, good team player;
• Strong in business communications with teams and customers;
• ITIL based process: Event/Incident/Problem and Change Management, SLA/OLA/UC, processes and service improvement, maturing efforts.

TECHNICAL SKILLS

Strong in design/deployment/management of Citrix and Windows infrastructure: Microsoft Windows 2000/2003/2008/2012 - Active Directory, Group Policy GPO, DHCP, DNS, WINS, RRAS, Microsoft RDP setup/licensing, IIS, VPN, DFSR, NFS, FTP, iSCISI, Microsoft Failover Clustering, WSUS, NLB, etc; Citrix PS 4.0/4.5, XenApp and XenDesktop v5.0-7.6, Citrix policy, License server, Citrix Director, Studio, Scout, XenServer, EdgeSight, WebInterface, StoreFront, Secure Access Gateway, Netscaler, PVS, golden images creation and update, Citrix UPM and UPS; Workstation platforms Windows 95/98/XP/7/8.1/10;

Support hardware: HP ProLiant G1-G7 (ILO), IBM, Dell, PC/laptop hardware, Wyse thin clients;

Based knowledge: Linux, HTML, MSOffice; experienced in ticketing and alert monitoring systems;

PROFESSIONAL EXPERIENCE

Confidential, AZ

Sr. Citrix/Linux Engineer

Responsibilities:

• Finished 40+ published applications migration Citrix PS4.0 (and decommissioned) to Citrix XA6.5 and maintained 7 desktops and 1300+ users (~2400+ concurrent sessions), cleaned and optimized Citrix infrastructure, onboarded 6 new apps, finished profile and user’s data migration Colorado-AZ, helped to develop DR site;
• Maintained two XEN Server 6.2 and two Citrix PVS Server 6.1 in LB, Secure Access Gateway, 110+ Windows 2008R2 servers, few Windows 2012 (infra);
• Managed (AD, DNS, DHCP, GPO) and Citrix policies, created 3 and updated 6 Citrix PVS images, managed Citrix UPM and folder redirection, UPS and Print queues, WebInterface, updated Citrix License server;
• Supported Linux Cent OS 6.6, managed accounts, supported Xymon monitoring system, created few Bash scripts;
• Deployed XenDesktop v7.6 Dev infrastructure, connected to XenServer and vCenter hypervisors, created Machine Catalogs, Delivery groups, assigned policies, setup Storefront, created PowerShell logon/logoff and run scripts;
• Deployed Wyse Device Manager 5.0 infrastructure, migrated Wyse thin clients T10, V50, V50L, WT1125 configuration (wtos.ini) to XA6.5, prepared documentation and procedures for ServiceDesk, worked closely with Desktop Support team;
• Maintained/supported VMWare vCenter 5.5 (Windows based) hosted on Cisco UCS hardware;
• Participated in weekly infrastructure updates and many other meetings.

Confidential, AZ

Support Technician

Responsibilities:

• Provided on-call and remote support within 300+ facilities and 3000+ users, supported Windows XP,7, 8.1 and MacOS, dealt with customers;
• Was responsible for users’ accounts creation, reset and data maintenance, hardware and media installations, setup and maintenance, upgraded old and built new workstations, performed PC reimaging, drivers and application deployment through SCCM, dealt with 270+ APP-V packages;
• Worked in WEB-based ticketing and HW database systems;
• Participated in meetings, was involved in new technologies implementations;

Confidential

Sr. Citrix/Windows Engineer

Responsibilities:

• Performed full scope of Citrix Support (Presentation Server 4.5, Dev/UAT/PDN farms with 350+ published apps and 4000+ users) spread over 4 sites (LDN, NYK, SGP, TKY) in high demanding environment with availability 24/7;
• Created/maintained Citrix policies, Load Evaluators and Monitoring Profiles, setup multi-monitor hooks, deployment constantly updating application, onboarded new apps and adopted for customer needs, closely worked with developers;
• Designed and deployed XenApp 6.5 infrastructure (Dev/UAT/PROD), fully scripted (CMD and PowerShell) new XA6.5 servers and WebInterface deployment and implemented HA/LB scheme 2x2 in different Datacenters, deployed EdgeSight and added all XA6.5 servers into, deployed MSSQL/SSRS 2012 for reports, optimized performance, initiated and started application migration from Citrix PS4.5 to XA6.5;
• Created remote deployment script (PowerShell), WMI and MFCOM automated fix (CMD) as per appearance in eventlog, logon and logout scripts and other routing automation;
• Performed pre- and post- quarterly patching activities, applied fixes, participated in resilience DR testing (BCM), performed servers and users issues troubleshooting;
• Led projects, setup service processes and did service improvement, matured efforts, was on-call person;
• Participated in interviewing new joiners, created studying programs and performed trainings, prepared to handover procedures and transfer knowledge, created project policies and process standardization, technical documentation;
• Worked with teams and customers spread around the globe;
• Participated in MIH/meetings/conference calls, dealt with the customer on daily basis.

Confidential

Sr. Windows Administrator

Responsibilities:

• Event/Incident/Problem and Change Management of 25000+ Windows Servers (2000/2003/2008 (R2), worked in ticketing/alerting systems: HP Service center, Service Now, provided on-call and remote support;
• Successfully dealt with 20-60 calls, 50-150 incidents or up to 50 change Requests and user’s requests implementation per 12-hours shift, prepared and performed handover;
• Created and troubleshoot DFS, DHCP, Windows Clustering, File Server, NTFS, user accounts, DFS shares, performed quarterly patching (WSUS), supported VMWare ESXi4.5;
• Performed remote maintenance of HP (ILO), IBM (Blade), closely worked with Datacenter team and L2/ Confidential ;
• Transferred knowledge and performed trainings for new team in India (Pune), played one of key roles in a team.

Confidential

Sr. Windows Administrator

Responsibilities:

• Worked in ticketing/alerting systems: TND Unicenter agents, HP Openview agents;
• Supported Citrix Presentation Server 4.5;
• Performed remote maintenance of HP (ILO), IBM (Blade);
• Dealt with customer, teams and vendors, provided on-calls and user’s remote support by daily/evening shifts.

Confidential

Sr. Windows Engineer

Responsibilities:

• Re-designed and built company's network infrastructure, deployed and maintained Windows 2003SP2 Servers: AD, GPO, DHCP, DNS, File Server, MS Terminal Services, connected all 5 sites into one network, created static routes;
• Deployed DMZ gateway based on Linux Fedora Core (Apache, Squid, PPTP), implemented traffic speed and content restrictions;
• Provided user workstations maintenance, upgrade and support for all branches, new employees training and support;
• Deployed MSSQL servers and accountant software, dial-up banking software, setup data auto-exchange across branches;
• Configured ADSL-modems (D-link, Calisto, Zyxel) port forwarding, programmed fiscal printers;
• Successfully dealt with ISP providers, vendors, planned hardware and software purchasing.
• Created and maintained two internet and one intranet company HTML sites, created technical documentation.

Confidential

Sr. Windows Administrator

Responsibilities:

• Planned, deployed and maintained local network based on Windows 2000 - Group Policy (GPO), Active Directory, DHCP, DNS, File Server, Terminal Services (2 Windows servers, 40 PCs and 160 users), migrated AD from Windows 2000 to Windows 2003, Configured and supported MS Access databases, deployed and maintained accountant’s and lawyer’s applications;
• Performed HW maintenance and helpdesk support, software/hardware planning and purchasing;
• Designed and implemented electricity-lost-free local network infrastructure;
• Planned and built strong IT department, wrote documentation (IT policy, procedures and knowledge articles);
• Interviewed and managed department (7 people), performed new employee’s on-boarding trainings, controlled tasks implementation and created department’s performance reports, implemented interchangeability scheme in the department, optimized day-2-day activities and automated routine.

Confidential

Windows Administrator

Responsibilities:

• Provided user helpdesk support and all workstations maintenance based on OS Windows 95/98 on the enterprise;
• Uploaded and typed personal data into database from paper spreadsheet reports provided by organizations and floppy disks; maintained of Personification database Informix (Unix 7 SCO); database of accountant/payment departments and department of profits (Unix 6);
• Configured and maintained network and Cisco 1000 router, hardware.

Confidential

System Administrator

Responsibilities:

• Worked in Fox Pro and other apps under MS DOS 6.22, uploaded and typed data into database;
• Provided network infrastructure support and printers’ maintenance.