SUMMARY:

• Over 5 plus Years of Experience in Linux, Vmware, Windows & Exchange Administration.
• Good experience in providing support to heterogeneous operating system environments like Windows 2008 R2&2012, Exchange 2010,2013, VMware ESX 4.1,5,5.5, Red Hat Linux 4,5&6
• Responsible for DNS and Configured DNS Servers and Clients, troubleshooting DNS issues.
• Experienced in all aspects of Linux System Administration and support for all RS/6000 servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc.
• Developed and improved upon scripting (primarily in Python) for efficient and reliable deployment and maintenance.
• Proficient in Oracle 10g, 11g and 12c Database Administration. Proficient in Database Migration, Upgrade and Patch Application
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine - tuning on UNIX (SUN Solaris, Red Hat Linux)Systems.
• Experienced in DNS, NIS, NFS, CIFS, FTP, NIS, Samba Server, Confidential, remote access, security management, and system troubleshooting skills.
• Hands on Experience in setting up NetApp, SAN and NAS Storage Environment.
• Good Experience in writing Shell scripts using Bash and PERL.
• Working with HP ProLiant, Dell and IBM servers and Blade servers, working with hardware team to add/replace the faulty peripherals, upgrading the firmware software.
• Experience in patching and firmware upgrade in Linux, VMware Networks and Windows
• Experience with monitoring tools like Splunk,Sitescope, HP Openview, Uptime,Whatsapp gold,Nagios,Solar Winds

TECHNICAL SKILLS:

Operating Systems: RHEL 4, 5, 6.x & 7.x, CentOS 5.x/6.x/7.x, AIX 5.3/6.1/7.1, Windows 2003/2008R2/2012R2,Exchange 2010,2013

Hardware: HP C7000/C3000 Blade Systems, HP ProLiant DL 380/580 series G7/G8 Models, NetApp, IBM P 5 560/570/595 , IBM Power7 710/780, IBM Blade Center, Dell Power Edge Servers,, IBM Blade Servers, UNIX Server, Dell Servers (various models).

Connectivity & Hardware: EIGRP, MPLS, VPLS, VTP, HSRP, NAT, PAT, RIP, RIPv2, OSPF, TCP, UDP, WAN, LAN, VLAN, VLAN Trunking, VXLANs, TCP/IP, Cisco IOS, Cisco ASA 5500, Spanning Tree, BPDU, CDP, ACL, Static Routing, Stub Routing, multicast routing, SVI, CEF, Etherchannel, Portfast, VSS, vPC, ISIS, Ethernet, Fast Ethernet, RAID systems, Frame-relay, VTP, SNMP, SNMPv3, ARP, Multi-Area OSPF, NBMA, Blade/Web Servers

Languages: Java Script, Power Shell & PERL Script, Python

Networks: DNS, DNSSEC, BIND 9.10.3, Confidential, NFS, NIS, Confidential, FCoE, NAS, and SAN

RDBMS: Oracle 12c/11g R1/R2 and MYSQL

Protocols: TCP/IP, SFTP, SSH, SMTP, HTTP, RIP, IGRP, OSPF

Other Skills: VMware ESX/ESXi 5.x/6, Vcenter, VSphere, VMotion, MOSS 2007, MS SharePoint Portal Server 2003, MS SharePoint Services3.0, InfoPath 2007/2010,,Net Op, SPS 2007/2003, Windows Share Point Services 3.0/2.0

Monitoring Tools: Solar Winds, HP SiteScope, Nagios, Xymon, Uptime, Whatsapp gold,Orion Solar winds

EXPERIENCE:

Confidential, New Jersey

Senior System Engineer

Responsibilities:

• System Administrator/Integrator role in a large team responsible for maintaining of Linux operating systems such as RHEL 5/6. System Integration role in a diverse product deployed in different parts of the world.
• Developed and improved upon cluster monitoring using Nagios and plugins written primarily in Python.
• Created a dashboard and backend to collect and visualize data providing at a glance reporting. Reports included kernel version for security visibility, as well as servers per environment and growth for server growth budgeting via Python
• Experienced in all aspects of Linux System Administration and support for all RS/6000 servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc. Most of these tasks are performed using native Korn Shell scripts.
• Planning, installation, configuration, management and troubleshooting of Oracle 10g, 11g and 12c databases on Linux and Windows OS
• Expertise in the creation of databases, table spaces, tables, indexes and other database objects.Installed and manage Oracle Enterprise Manager.
• Install and configure relevant network components to ensure database access as well as database consistency and integrity.Troubleshoot and resolve various Oracle connectivity problems.
• Provide network troubleshooting and administrative support for the development staff.Installation and management of Oracle database using database control
• Create and manage documentation on the configuration and support of the Oracle databases Perform bulk load into the database using SQL Loader
• Member to a team of professionals responsible for the installation, configuration, analysis, design, setup, administration, maintaining, change management, repairing and troubleshooting of network LAN/WAN infrastructures and application components.
• Creating/editing Install/Upgrade scripts to manage rpm’s non-conventionally (selective backup and restore of rpm during upgrade).
• Monitoring and Fine-tuning on UNIX (SUN Solaris 10, Red Hat Linux, CentOS)Systems.
• Developed scripts for automating administration tasks like customizing user environment, and performance monitoring and tuning with nfsstat, netstat, iostat, vmstat.
• Responsible for DNS and Configured DNS Servers and Clients, troubleshooting DNS issues.
• Implemented and managed Splunk monitoring and reporting infrastructure.Planned, implemented, and managed Splunk for log management and analytics
• Administer large Active Directory environment consisting of 50,000+ users, 1500 servers and 10,000+ workstations. This includes account management, Group Policy, Sites and Services, application integration and DNS.
• Configured the LVM in Linux with shrinks & grows the Disk Space. Created Volume Groups,Physical Volumes and Logical Volumes using vgcreate, pvcreate and lvcreate.
• Configured and administered TCP/IP, LPAR/DLPAR, NFS and VIO servers and Worked with Confidential in order to resolve user management issues.
• Troubleshooting and Configuration of SSH, TELNET, FTP and NFS in RHEL6 and Centos.
• Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Windows 2008 and 2012 Systems.

Confidential

Senior System Engineer

Responsibilities:

• Installation and maintenance of AIX 5.2, 5.3 and 6.1 on pSeries systems through NIM and through hard drive as well
• Provide administrative database security role by protecting the database, creating and managing users.
• Provide system management role by troubleshooting, reviewing and monitoring databaseperformance.
• Performs general DBA duties (install software, create databases, table spaces, add redo log files, managing storage & work closely with Sr. DBA on capacity planning and performance tuning
• Performs daily database backup of development and test environments, use production data to refresh development and test schemas for testing
• Excellent troubleshooting skills .Performance tuning and monitoring .Identify and make recommendations per database performance issues
• Knowledge of managing Oracle on Windows .Knowledge of database design .Use DBCA to create and DBUA to upgrade Oracle databases .Prepare documentation for DBA department
• Developed and improved upon scripting (primarily in Python) for efficient and reliable deployment and maintenance.
• Developed and improved upon data center monitoring using Nagios and plugins written primarily in Python.
• Expertise working with VMware vSphere, ESXi6.0, 5.x, 4.x, vCenter server 4.x,5.x,6.0and VMware Converter
• Prepared, arranged and tested Splunk search strings and operational strings.Installed, tested and deployed monitoring solutions with Splunk services.
• Successful migration of Lotus Notes Domino server to Exchange 2007 on Windows 2008.
• Consolidation of multiple Microsoft Windows 2008 servers using VMWARE ESXi.
• Imported all name server configurations and zone data into a centrally managed version control system
• Increased the accuracy, stability, and automation of the reverse DNS creation process
• Monitoring Linux servers such as Disk space utilization, CPU utilization, Memory utilization.Configuring Remote tools such as SSH, FTP, SCP,
• Configuring Logical volume manager (LVM).Configuration of SWAP.Configuring NTP Server and NTP Client.Kernel installation and up gradation
• Performing OS level trouble shooting such as kernel panic error issues, FSCK.Checking services and ports.
• Configuring servers such NFS, FTP, SAMBA, Postfix, and Apache..Configured NFS server and mounted the file systems at clients through Auto mount.
• Implementing security hardening on all production servers such as Restrict to access single user mode, Prevent access to Grub Console, Prevent Accidental Reboots
• Implementing IPtables, TCP Wrapper, for security purposezExperience with Linux (kernel 2.6) flavors like RedHat.Managing RedHat Package Manager & Yellowdog Update Modified server.
• Performed monthly tests and maintenance on Disaster Recovery site servers and client computers.

Confidential

Senior System Engineer

Responsibilities:

• Excellent knowledge and expertise in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX.
• Perform standard and fine grain database auditing. Documented database structure, changes, problems, issues for future reference
• Administer database user accounts. Create, modify and deactivate user accounts; assign and monitor user access rights
• Created Testing and Development databases following OFA compliance rules.
• Provide database administration on production, testing and development database servers. Performed Installation, Upgration, Patches, Migration, Configured, Troubleshooting, Security, Backup, Disaster Recovery, Performance
• Created a dashboard and backend to collect and visualize data providing at a glance reporting. Reports included kernel version for security visibility, as well as servers per environment and growth for server growth budgeting via Python
• Designed a Python script to provide developers with the latest official Java release, and rebuild the associated repository to ensure the release was available during machine builds without manual intervention
• Installed and configured vCenterServer and also configured Clusters and resource pools for virtual datacenters.
• Maintained and managed assigned systems, Splunk related issues and administrators.
• Build, configure and deploy VMware Virtual Machines and templates. Creating and managing multiple snapshots.
• Planned and developed account migration process for a multi-domain e-mail migration from internal and external AD domains running Exchange 2003/2010 to Google Apps Mail. Migration scripts developed with Powershell
• Managed data center servers for a hosting environment (MS SQL 2008, IIS 7.0, MS Virtual Server 2005, MS Hyper-V.
• Participated in the planning, building, upgrading, and maintenance of Microsoft Active Directory and Microsoft Exchange Server 2007 architecture globally for multiple clients; some of which had 1000+ mailboxes.
• Installed EM7, configured Performance monitor for database and web servers for performance bottlenecks. Also configured SiteScope to monitor server metrics, CPU utilization, Memory Usage to load average etc.
• Patched Microsoft Windows 2008 &2012 R2 servers and updated service packs on them. Stopped and Disabled few services on Windows servers as a Security Act.
• Installing, configuring, upgrading & Troubleshooting windows sever 2003,2008&2012.Managed Windows 2008/2012 Active Directory objects and attributes. Maintained Active Directory sites and services. Installed and configured Confidential server to give IP leases to production servers.

Confidential

System Engineer

Responsibilities:

• Responsible for Installation, Configuration, support and troubleshooting existing systems in AIX 4.3.3/4.5/5.1 L operating environment
• Designed a Python script to provide developers with the latest official Java release, and rebuild the associated repository to ensure the release was available during machine builds without manual intervention
• Installing, configuring, upgrading & Troubleshooting windows sever 2003,2008&2012.Managed Windows 2008/2012 Active Directory objects and attributes. Maintained Active Directory sites and services.
• Implemented PowerShell scripts that automated creation of contacts from Active Directory users and updating of address books -increasing productivity and efficiency
• Configured and maintaining trust relationship between domains. Maintained Confidential and DNS Services across the Server Event viewer management Backup Management for Windows Servers and Active Directory.
• Maintain file sharing, print sharing, web, database, anti-virus, patch management, application virtualization, image deployment, and proprietary services for all
• Configured TCP/ IP protocols like NFS, DNS, Confidential, Confidential, FTP, SFTP, SSH etc.
• Installed, configured and maintained Red Hat & Centos Linux Machines.
• Managed Virtualization Environment using VM Ware ESX 5.5, VM Ware V Spere 5.x, Virtual Center,VIClient,P2V
• Implementation of System Center Operations manager 2007 & management packs
• Creating and Managing Virtual Machines and Templates . Creating Clusters for High Availability (HA) and Distributive Resource Scheduling (DRS)\. Configured Resource Pool, V Motion, Alerts, Alarms, NTP
• Migrate Physical Servers to Virtual Server using VMware Converter (P2V Converter).Migrating of Virtual Machines using V Motion .Performing Snapshots, Cloning, Cold Migrations and Hot Migrations
• Troubleshooting issues relating to v motion such as compatibility issues with help of event log.
• Configured Cisco Routers (2500, 3000, 4000) using RIP, IGRP, OSPF, EIGRP .Configure Cisco Switches (5000 and 2900) Network Migration from RIP to OSPF

Confidential

Software Engineer / System Engineer

Responsibilities:

• Creating Users and Groups in Active Directory, Managing Users, organizational unit and Group policies.Monitor and maintain servers running Windows Server 2003&2008.
• Implementing Active Directory Services, maintaining Replication, Trust Relationship and enforcing Domain wide Group Policies. Managing User administration, Groups, Organizational Units, Group Policy objects.
• Administrated and monitored Symantec Antivirus Corporate Server.
• Administered Active Directory and Exchange 2007.
• Installing and configuring Confidential, in addition to managing a Confidential database.Responsible for hardening in servers running Windows Server2003&2008R2.
• Mail Configuration in Microsoft Outlook and Outlook Express.Installation of Software Packages.
• Performed Kickstart Installation Manage and maintaining Squid Proxy Server. User Management & Administration. Confidential Administration, File system management
• Prepare and maintain documentation. Managing overall network and systems administration functions.