*Founded the hospital from scratch including site selection, building constrictions, floor plan design, fund collections, medical equipments purchase from home and abroad, managed many groups to setup machineries of medical sciences, beds, computers, tested, validated, hired skillful Management team, physicians-Doctors-specialists-nurses-technologists for each department, and received all the licenses from government to run the Hospital.* As the Board Chair, fully responsible for develop meeting agenda and setup productive board meetings. Responsible for trusting relationships with the Directors of the board and Executive Directors, and shareholders, develop compelling and focused strategy-based agendas, and guide purposeful governance discussion. * As the CEO /Managing Director (MD), Responsible for the administration of all the Departments in the hospital. Implement policies assigned by the board, review strategic, operational initiatives, and group performance. Fully involve in pursuing new opportunities for expansion and setting up new medical technologies. Established good relationship with the top 50 pharmaceutical companies in Bangladesh and achieved reseller partnership with Healthcare Pharmaceuticals, Square Pharmaceuticals, Radiant, Incepta, Beximco, GSK, and so on.

* Provided top Level World Wide critical customer support on Citrix’s flagship products Citrix NetScaler & Citrix Application Firewall via telephone, e-mail, and instant messaging applications* Took the ownership of escalated HOT/Priority One (P1) cases from Level 1 & Level 2 customer support engineers* Provided design consultation to some of the brightest engineers of companies like Google, Amazon, CNET, Youtube, MSN/Microsoft, Sandisk, ioko 365, American Express, Bilisimcim, and Duke University on Server Load Balancing (SLB), Content Switching, SSL, Integrated Caching, High Availability (HA), Compression, Network Management, TCP/IP, Advance Networking (i.e. RIP, OSPF, & BGP), VPN, and firewall technologies* Documented each customer incident using ticket and bug tracking systems (i.e. PeopleSoft’s Vantive) in a clear, concise, and understandable format * Created bug reports and interacted with Engineering & Marketing teams on product defects and new features* Worked with customer to provide exact means to reproduce customer issues in LAB* Helped the customer in defining the strategy on how to implement software changes remotely* Provided off-hours coverage for critical customer issues during nights and weekends via Blackberry, cell phone, and GoToMeeting* Advocated on behalf of customer to Sales, marketing, & Engineering teams to produce the best possible product by escalating any unresolved customer issues, and contributing to technical reviews within Engineering * Wrote Case Study and knowledge bases (FAQ, in-depth product features, and troubleshooting tips) articles on new product features and customer problems for internal engineers and external technical & non-technical customers * Participated in technical training/QA/beta testing activities* Provided technical direction to others within the team in the problem resolutions* Worked remotely from Bangladesh for the Santa Clara, California, United States (USA) team.

* Provided Pre-sales & Post-Sales technical support for multiple Network Equipment Manufacturer (NEM) accounts; i.e. Foundry Networks, Nortel Networks, Cisco Systems, Juniper Networks, McAfee, Tellabs, Trend Micro & Watchguard technologies* Visited strategic customers on daily basis to find out their network testing needs and also explore the new business opportunities for the company * Gathering the requirement specifications from customers includes close working relationship with customers’ marketing, SQA, Development & Support team to find out the performance numbers of various devices such as Routers, Switches/Content Switches, Server Load Balancer (SLB), and Firewalls performance number* Based on customers’ requirement, simulated the customers’ network environment (based on the test cases) in the lab to perform the tests with Spirent Tools, and then take the setup to customers premise for the demonstration purpose* Provided Face time to customer to address all sorts of technical questions & comments on Spirent tools & in general on technologies & protocols* Primarily responsible to provide support on OSI L2 – L7 protocols (i.e. HTTP, FTP, SSL, IPSEC, OSPF, BGP, STP) using Spirent products like Avalanche, Smartbits – SMB & ThreatEx (security product to test IDS/IPS, firewall & DDOS attacks)* Engagement for Post Sales support includes helping setting up the Spirent products for the customer in the lab, training them on how to use the tool & working with them very closely to meet their Test cases/Test plan requirement* Contributed to the product development of Spirent testing tools by providing the on-going feedback receiving from customer & from my lab recreate to the Internal Development & Product Marketing team. This helps the development team in coming up with the new features & rectify any existing bug* As part of internal collaboration initiative, worked on a special project with Spirent SQA team to perform the Regression testing for Spirent Tools

Installed, configured, & troubleshot Cisco Secure PIX firewalls, VPN 3000 concentrators, & IDS sensors devices. Setup Cisco routers & switches, and configured routing protocols; i.e. RIP, OSPF, and BGP. Configured and troubleshot IPSEC VPN in the Cisco routers, PIX firewall, and VPN 3000 concentrators. Designed customer network, drew logical diagram, & presented to the customer for approval. Tested, made code recommendation, and upgraded the codes on Cisco IOS Routers, & PIX OS. Configured and troubleshot Sonic Firewall and Watch Guard Firebox. Installed Norton Anti-Virus, MacAfee Anti-Virus, Spy Ware, and Ad Wire in the end user systems. Worked on Cisco VOIP networks in the Cisco 2821 routers and 3524XL switches for small business. Setup & installed Linksys router, Netopia DSL router, and Cisco wireless Access Point (AP). Installed, configured, and troubleshot Microsoft 2000/XP/2003 networks. Provided 7/24 On Call support for few of my selected customers Madera County Election Network Security Validation Project:Worked on Madera County Election Network to find out the Physical and logical security back door. Validated their whole network running under Cisco 7200, 3600, 2600 routers; Cisco 6509, 3700, 2900 switches; Cisco 506e, 525 PIX firewall; and Cisco IDS appliances. Configured & verified Syslog connectivity & log transfer from all devices to IT Syslog server for Forensic analysis. Enabled specified administrative accounts on a per user basis instead of multi-use account on all devices with AAA. Made code upgrade recommendation, and upgraded the code for different devices in the network based on the code vulnerability identified by the Cisco Security Advisory. Generated complete written reports on all activities, and modifications performed to the network.

Tulare County Data Center Migration Project:* Performed data center site survey and recommended necessary equipments needed before the migration process* Re-designed data center network and documented old and new network topology and drew the logical diagram using Microsoft Visio 2003* Tracked down all the devices interconnected with Cisco routers, Switches, PIX Firewalls, VPN concentrators, IDS sensors, Call Manager along with Dell, HP, and Compaq servers* De-assembled and re-assembled whole data center and decommissioned old network devices which are replaced by new devices* Validated and verified network connectivity, and accuracy which lead to the completion of the project

* Prepared and ensured accuracy of documentation, procedures manuals, and help sheets for end users and system and network support personals * Provided on-going support for end users 7/24 on systems and network connectivity specific issues via phone, pages, and/or e-mails * Installed McAfee Anti-Virus software, spy ware, personal firewalls to protect the end stations, provided on going support on all aspect of desktop security * Monitored and tested network performance and provided network performance statistics and reports for management review * Recommended, scheduled, and performed network improvements, upgrades, and repairs * Configured and monitored network level security on the switch and routers (Integrated Security) by configuring ACL, CBAC, IDS etc. * Constant performance monitors and troubleshot issues proactively so that down-time could be minimized * Updated and maintained documentation of the network so others can follow the changes made to the network and way to troubleshot the issues if arose again

~ Worked for fortune 500 companies in the Bay area and provided solutions on data center migration, and validation* Genentech, Inc (San Francisco, California, USA): Provided solutions to migrate over 600+ network devices from San Francisco, CA to Redwood City, CA data center. Validated Cisco, HP/Compaq, SUN, Dell hardware and software* AOL, Inc (Mountain View, California, USA): Drew Floor plan by using Microsoft Visio 2003; Setup 400+ computers and tested network connectivity * Microsoft Corp (Mountain View, California, USA): Installed Computers and other peripheral devices for end users. After 230+ computer installation, performed weekly visit for routine check up to upgrade software * Nuasis Corp (Mountain View, California, USA): Provided complete data center migration from San Jose, CA to Mountain View, CA. Performed data center inventory before and after migration. Drew Visio diagram of the network * MCI, Inc (San Jose, California, USA): Took interview the end users before any critical data migration from old PC/laptop to new PC/laptop. Validated and verified the applications and critical data in the new systems

* Actively involved to re-design LAN/WAN connectivity by using heterogeneous devices (i.e. Cisco routers)* Implemented ISDN backup link beside Frame Relay to provide 100% uptime Network services* Maintained, and upgraded Windows NT/98/2000/XP, Linux, and UNIX platforms * Set up/upgrade and troubleshot application software like MS Office/SQL/Oracle/IIS/Apache Web server* Configured network printers (Lexmark/HP) and other peripheral devices* Monitored, made recommendations & implemented new policy to enhance overall system performance* Provided technical support to the end users (lab students and the instructors) in general functions such as: Add, change, delete user ID/passwords, and Reset passwords on daily basis. Also, provided every day support on assigning and removing directory and file rights Control