SUMMARY

• 10 years of Experience in information security and network security policy procedure development and implementation, systems and network security implementation, analysis and administration
• Deployed enterprise security solutions including host intrusion prevention systems, enterprise antivirus, malware analysis tools.
• Expertise in incident response and antivirus management, log analysis and security awareness program
• Experienced in designing LAN/WAN infrastructure, implementing and operating Cisco routers, switches, Firewalls ,Microsoft Active Directory and Exchange server
• Skilled in LAN/WAN troubleshooting, helpdesk support, hardware/software installation and configuration
• Experienced in migration of exchange 2003 to exchange 2007, 2010,2013 used troubleshooting exchange related tasks like remote connectivity analyzer, migrated Active Directory from Windows server 2003 to windows 2008
• Worked in troubleshooting DC, with regard to replication and seizing and moving DC roles
• Experienced with working of Windows XP/7, Windows server 2000/2003,2008,2012, Red Hat Linux and Suse Linux
• Installing and configuring LYNC 2013
• Used management tools -SCCM,SCOM
• Web servers-IIS
• Clustering-VM ware High availability
• Worked on ADFS
• Hybrid configuration
• Federated Hybrid Management
• MS office 365

PROFESSIONAL EXPERIENCE

Confidential

Exchange Engineer

• Performing critical changes and performance tuning on messaging servers.
• Resolving technical issues for Microsoft Exchange 2003/2007,2010,2013
• Managed messaging environment with Exchange Server 2003/2007,2010,2013
• Administrated Windows Active Directory, Public folders, Group Policy and Exchange 2003/2008,2012 Server
• Ensuring highest availability of mail servers, monitoring exchange message routing, database backup and troubleshooting.
• Maintaining Server health by checking Performance monitor logs, disk- space utilization, Events viewer reporting and taking corrective measures.
• Troubleshooting Administration of Mail Routing / Mail Flow.
• Worked on lync .
• Managed users on Hybrid mode for Office 365
• Worked on ADFS for 0365 in migrating users
• Manage project deadlines, implementation plan, deployed SCOM 2012
• Patching and server hardening as per latest security standards
• Responsible for level 1 and level 2 for windows and exchange server
• Monitoring Queues on all exchange Server, configured alerts.
• Performing Offline Defrag. on databases
• Troubleshoot and resolved escalated/executive messaging incidents/requests including email delays, email and calendar tracking, delegate/folder permissions, email archiving, storage quota limits, and diagnosing NDR
• Administered, maintained email archiving and retention policies
• Performed cleanup of Exchange public folders and OUs for maintenance and preparation of migration
• Maintained and updated and repaired the Global Address List GAL and domain infrastructure, DNS, DHCP
• Authored and maintained knowledgebase articles for end users and help desk staff related to messaging.
• Linux level1 training on SUSE and Red Hat
• Configured, maintained an d monitored Microsoft Forefront for message hygiene including spam filtering, anti-virus, secure mail, email encryption, message tracking, custom policies and filters, and requests

Confidential

Messaging Administrator

• Administered, updated and monitored Exchange 2003.
• Troubleshoot and resolved escalated tickets and requests including shared mailboxes and folder permissions, retention policies, custom forms, Offline Address Book OAB , Free/Busy
• Performed Active Directory administration Group Policies GPO , permissions cleanup, update AD schema
• Updated Exchange and messaging enterprise software to latest service packs and updates
• Restored databases and mailboxes from Symantec Backup Exec
• Scripted PowerShell commands to repair Exchange CCR mailbox databases
• Documented technical process, did root cause analysis for performance improvement
• Planned and executed Active Directory Migration from Windows Server 2003 to Windows Server 2008
• Migrated users, PCs and groups to Windows 7, Office 2003
• Troubleshoot: AD, Outlook/Exchange, WebEx.
• Created and utilized technical documentation in knowledgebase for end users and IT
• Actively tracked, escalated and followed up on cases using Remedy ITSM
• Configured and troubleshoot DNS Forward/Reverse Lookups on Domain Controllers
• Performing critical changes and performance tuning on messaging servers.
• Resolving Technical issues for Microsoft Exchange 2003.
• ManagingRecipient spam list, safe aggregation list
• Ensure high availability of mail servers, monitoring exchange routing issues
• Used exchange tools like, ExMON,ExBPA, Database Recover Management tools for Exchange recovery
• Message tracking and troubleshooting to resolve mail issue using tools likeExTRA, checking
• SMTP queues, directory look up, remote delivery
• Lead and support for deployment of encryption for laptops throughout the organization
• Administrated Linksys series routers
• Provided guideline for existing and new infrastructure design to be aligned with the organizational policies and procedures as well as security best practices
• Message Routing Issues
• Exchange Public Folder issues
• Setting up OWA, Certificates
• Filtration of Inbound emails
• Managing users with outlook, 2003, 2007, on client machines.
• Archiving and Back up Email stores
• Track message and verify integrity of exchange store.
• Monitored and analyzed logs from Firewalls, IDS and central antivirus systems
• Planned and conducted Information Security awareness program throughout the organization
• Conducted Vulnerability scanning and assessment for IT network and systems using Wireshark, Angry IP scanner, Path ping tools and did remediation activity with responsible system administrators
• Performed security assessments and vulnerability mitigation of Windows and Enterprise Linux systems

Confidential

System and Network Administrator, IT Division

• Performed daily backup of Active Directory and Exchange Server along with testing of restore procedure
• Implemented NAT and security policies on our Watch guard firewall
• Designed, implanted, monitored and troubleshoot new LAN/WAN, infrastructure for central and branch offices
• Developed, implemented and maintained centralized antivirus system
• Ensured Secure operation of in house computer systems, servers, and network connections.
• This involved constant monitoring and administering servers and firewall logs, scrutinizing network traffic, establishing and updating virus scans
• Make sure fixes, patches on servers, service packs on servers and workstations are up to date.
• Check back up logs and changed tape back ups on daily basis
• Check event viewer on servers
• Check internet bandwidth
• Resolve system space issues
• Performing health check on servers
• Gave role-based access control to restricting system access to authorized users Using DAC and MAC policy
• Document any changes in Active Directory, FSMO roles. Back up selections, file sharing and user security and other configurations, managed group policy

Confidential

Web Developer/Engineer

• Development of maintenance of the company's databases and Website. Specific duties of this position will include 1 applying knowledge of programming techniques and computer operating system 2 Designing and configuring systems
• Developing and implementing interactive links according to company's parts, spares and warehouse/ inventory databases.
• Formulating plans and outlining steps required to develop programs using structured analysis and inventory databases to create and maintain unified web based sales tools, inventory control, finance and accounting systems.

Confidential

Desktop Technician

• Monitoring windows daily operations. It means basic tasks such as hardware, OS, Network, backups monitoring is taken care
• Server Health Status Network Connectivity, Hardware Health Status
• OS Health checks Disk Usage, CPU and Memory Monitoring
• Network devices installation and configurations Routers, Switches, firewalls etc.
• Provided Level I/Level II onsite, phone and e-mail technical support for all staff
• Server Builds
• OS patching/upgrades
• Software installs/upgrades
• Monitoring/alert config
• Performance tuning
• Created and reset user accounts using Microsoft Active Directory