Engineer Manager
Resume:
Venkata R Adavikolanu – System Engineer
Summary
• Around 7 years of System Administration Experience on Solaris 8.0/9.0/10, RH
Enterprise Linux 4.x and Windows 2000.
• Around 5 Years Experience in Veritas Volume Management 4.x,Netbackup Data
Center 4.5 and Veritas Clusters.
• Around 3 years of experience in Access Management using eTrust Siteminder
4.5/5.5 and Single Sign On Implementation.
• Over 3 years of experience in installation, configuration and administration of Sun
One Directory Servers 4.x/5.1/5.2.
• Experience in administration of Web Servers iPlanet, IIS IBM HTTPD
• HP Unix Administration - Ignite Backups and Logical Volume Management.
• Hands on experience in installation, administration and deployment of web
applications using WebSphere 4.x /5.x (WAS)
• Shell Scripting to automate administrative tasks and daily routine jobs.
• Sun Certified System Administrator.
• MCP Windows 2000 Professional & Server.
• Comprehensive problem solving abilities, excellent verbal and written
communication skills, willingness to learn.
Professional Experience
Citigroup, NJ May 2007 to Till date
Unix Ssystems Administrator
Presently working as a Unix system administrator in the Capital Markets Equities division.
Projects Undertaken so far at Citi
• Built Linux and solaris servers with VCS/CFS and Volume manager for various
businesses.
• Worked as a SA point of contact for NAS migrations across data centers.
• Was responsible for migrating netbackup client packages from 4.5 to 6.5 by ensuring
successful backups on around 150 servers.
• Worked as a SA point of contact for Storage Array migrations
• Build Solaris 10 Servers using SDS .
• Worked on reconfiguring over sixty Solaris servers running VCS in eliminating single
point of failure related to physical network connectivity.
• Configured IPMP on around 80 standalone hosts to eliminate single point of failure
related to network connectivity.
• Identifying and decommissioning unused storage and servers in the environment in order
to save costs.
• Converting Physical Solaris Servers to Zones and Linux servers to VM's
Venkata R Adavikolanu – System Engineer
Presently working as a SA point of contact for relocating servers across data centers
which is an initiative to relocate servers based on classification(Dev/UAT/Prod)
• BAU Activities are outlined as below
• Troubleshoot user login su and sudu issues.
• Fix issues related to Netbackup, BMC performance, SSH (Techtia)
• Re mediate auditing related issues and making sure the servers are in compliance with
organization specifics.
• Replacing failed H/W components on Sun and HP servers by co-ordinating with vendor
support and respective FE's
• Installing patches and other maintenance related activities during weekends.
• Deploying Application SW packages.
• Tuning the server for optimal performance in Linux and solaris by increasing swap space,
file descriptors and other system wide variables
• Troubleshooting performance related issues with the application teams and identifying
bottlenecks in the system.
NASD, MD October 2006 to May 2007
Sr. Systems Engineer
• Role is to provide 24X7 support for mission critical Applications and Servers running
Solaris 8/9 on Sun Fire 880 & Sun Fire 6800.
• Upgraded the SC firmware on 6800 to be compliant with the new DST regulations.
• Creating test beds for applications migrating to Solaris 10.
• Used Live Upgrade feature of Solaris 10 and performed Zone Administration.
• Creating and administering volumes running Veritas Volume Manager 4.x and Solstice
Disk Suite 4.x.
• Backups using Veritas Net Backup Data Center Edition 4.5 with L1000 Tape Library.
• Cluster Administration using Veritas Clusters 4.1
• NFS and UFS administration.
• Applying patches Packages.
• Troubleshooting general performance and network related issues.
• Coordinating with different teams as required.
AIG Technologies, NJ May 2005 to August 2006
Sr. Systems Engineer
Role is to Maintain and Administer the Middleware Environment having Solaris 8/9/10,
Siteminder5.5, LDAP5.2, WebSphere5.1.
Solaris Administration
• Installation of Sun Solaris 8.0 on E480R
Venkata R Adavikolanu – System Engineer
• File System Configuration using Veritas 3.4 with RAID 5.
• Patching the servers to meet software requirements.
• Configuring TCP/IP
• Configured Ethernet Cards for virtual IP’s and enabling FULL Duplex
• Monitoring Server resources like (Network, CPU, Disks)
• Installing software packages
• User and Group Management
• File System Backups using Native Tools
SM Administration:
• Siteminder & LDAP Administration
• Maintaining Siteminder Policy Server 5.5 on Solaris 8
• Up gradation on requirement basis.
• Configuring Siteminder Web agents on iPlanet 6.0, IIS 5.0, Domino and Apache 2.0.48
web servers
• Testing of policies in Staging server and migration to Production
• .Management of Authentication schemes.
• Setting up iPlanet Directory server 5.1 for the user store and the Policy store.
• Creating Agent identities, Agent Config objects, Host Config objects, Policy Domains.
• Implemented Federated Services.
• Definition of Realms, Rules and Policies.
• Employee SSO ID administration.
• Management of log files for Web agents (4.x & 5.x)
• Monitoring Site Minder Services and logs.
• Authentication levels and Login Page administration
• Creating of LDAP instance
• Importing Schema and LDIF files.
• Setting Up Single Master and Multimaster Replication
• Applying Service Packs and Hot Fixes
• Management of Attributes in LDAP Server for SSO instances.
• Capacity Planning.
• Analyzing LDAP instance logs based on requirement.
• WEB Server administration and log file analysis.
• Creation & management of Scripts on requirement basis.
WebSphere Administration (4.x & 5.1)
• Deploying EAR files, Updating plug-ins, Modifying JVM settings, analyzing log files,
Monitoring Application Server status and restarting Servers, Node Agent as and when
required.
WebServer Administration
• Installing iPlanet, IBM HTTP
• Generation CSR.
Venkata R Adavikolanu – System Engineer
• Installing certificates.
• Shell scripting to restart servers and rotate logs.
Environment: Solaris 8/9, Sun One Directory Server 5.2, Siteminder 4.x/5.5
WebSphere 4.x/5.1,IBMHTTP 2.47,IIS 5/6 and Sun One Web Server 6.x
GE Capital Services Nov 03 - May 05
Server Support Specialist
Responsibilities:
• Playing a key role in a team size of 60 providing 24x7 L3 support for 800+ Windows &
Unix Servers located across the globe covering different flavors like SUN Solaris, HP
UNIX and Windows 2000.
• File System administration
• Veritas Netbackup 4.x
• LVM and Veritas Volume Manager administration 3.x.
• User management
• Patch Implementation
• Backups and Ignite Backup.
• Performing Health Checks
Involved in a team size of 6 providing 24x7 L3 support in Single Sign On Administration for
GECIS India,GE Plastics(USA & China) and GE ERC(USA).
• Set up Siteminder Policy Server 5.5 on Solaris 8
• Upgraded 4.6 Policy Servers with 5.5.
• Configured Siteminder Web agents on iPlanet 6.0, IIS 5.0 and Apache 2.0.48 web
servers Configured local Policy servers to use centralized Key Store
• Involved in Implemented Password Lockout Policies.
• Setting up iPlanet Directory server 5.1 for the user store and the Policy store.
• Applying Service Packs and CR’s.
• Creating Agent identities, Agent Config objects, Host Config objects, Authentication
schemes, Policy Domains, Realms, Rules and Policies.
• Creating an LDAP instance
• Importing Schema and LDIF files.
• Setting Up Single Master and Multimaster Replication
• Applying Service Packs and Hot Fixes
Environment: Solaris 7/8/9, HPUX 11x, Siteminder 4.x/5.5,IIS 5/6 and Sun One Web
Server 6.x
Wilshire Software Technologies March 2002 – Nov 2003
Sr. Unix administrator
Venkata R Adavikolanu – System Engineer
Responsibilities
Configured NIS +, DNS,SAMBA on Solaris 8.
Installed and configured Veritas Volume Manager 3.x on Solaris 8.0.
Configured RIS, Group Policies for Users and Computers, RAS Server, Domain DFS
Server,NAT Server,RAID-5 Volumes and Roaming User Profiles.
Day to Day tasts included Process monitoring, Troubleshooting N/W related problems,
Configuring Devices like Tape Drives, Printers, SCSI Disk Arrays etc in Solaris, Monitoring
NFS Servers, Administering Packages and Patches and Backups.
Aruntech Solutions Jan 2000 – March 2002
System Administrator
Responsibilities:
Set up a Windows 2000 domain for work force of 60
Installing, configuring and administering of Sun OS server.
Production support and Application Monitoring
Monitoring server performance using native tools.
Setting up Sun Servers for Database Migration Projects and tuning the server for optimal
performance.
NFS Servers, Administering Packages and Patches and Backups.
Education
Master in Computer Application (University of Madras - 2001 )
Bachelor of Commerce (Osmania University -1998)
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