Systems Administrator Resume
Chicago, IL
Objective
A position as a senior systems administrator that utilizes my extensive technical experience and inter-personal skills on software, operating systems and hardware to manage IT infrastructure.
Summery
- Over 6 years of proven systems project experience including IT infrastructure administration on AIX, Linux, Sun Solaris, and Windows environments
- Worked on various aspects in UNIX, troubleshoot, maintain, upgrade and development.
- Experience in backups/restore, database management, application management and Hardware/Operating system maintenance in IBM AIX, Linux, and Solaris.
- Knowledge of TCP/IP, NIS/NIS+, NFS, DNS, LDAP, LAMP.
- Experience in Windows NT, 2003, 2008, IIS and Network administration in Windows environment
- Worked in Development, UAT, and Production environments.
- Excellent communication skills, ability to work under pressure in a highly visible role.
SKILLS:
Operating Systems: IBM AIX 5L, 6.1, RedHat, SuSe, Ubuntu, Sun Solaris 9/10, Windows server 03/08
Applications: WAS, MQ, Apache, Tomcat, IBM HTTP and IIS
Languages: HTML, JAVA, C, Python, Perl and Shell scripting and tools awk/sed, SQL
Networking: TCP/IP, DHCP, SNMP, Etherchannel, NIC failover, load balance, LDAP, NIS, NFS
Educational Background
Bachelor of Science in Information Systems
WORK EXPERIENCE
Confidential, Atlanta, Georgia July 2011 - Till date
System Administrator
Work with IBM Value Added Vendors (VAV) to provide support for end clients such as Reology, Coach, Catholic Health Services and WPP.
- Implement IBM systems director to manage production, UAT and Dev environments as a main monitoring, patching, upgrading and reporting tool.
- Setup AIX environment, with NIM, VIO and multipath.
- Demonstrate how to update microcode, technology levels, and various compliancy issues with IBM systems director.
- Provide documentation and support for Director running on AIX and Windows environment.
Confidential, New York NY Aug 2008 - May 2010
Systems Administrator
Successfully performed datacenter migration using EMC SAN replication for AIX and VMware hosts. VMware datacenter recovery tool was used to migrate without any data loss and minimal downtime during non-business hours. Successfully implemented full Solaris SPARC solution. Successfully completed log management, capacity planning and patch update solution with IBM Systems Director.
Responsibilities:
- Perform all duties managing and providing fulltime support for more than 60 UNIX mission critical production systems including AIX, RedHat, Ubuntu, Solaris and ESX.
- Manage Power550 and Power770 and well versed with Lpars, DLPAR, VIOS, HMCs, NIM environment, Partition Mobility, system backups, LVM etc.
- Perform regular maintenance like patches and fixes, HMC updates, technology level upgrades, OS upgrades, syslog analysis and backup automation.
- Configure VIO server clusters failover Virtual LUNs, Virtual NICs, EtherChannel to maximize redundancy and uptime.
- Used NIM to centrally backup mksysbs, restore, maintain SPOT, LPP sources and install Lpars.
- Performance tuning related to Memory, CPU and IO in RedHat, AIX, Solaris to optimize databases and applications.
- Design and Manage Solaris 10 with UFS/ZFS to run mission critical applications like financial applications, oracle 10g and Swift trading, configured jumpstart, flash archive
- Manage VMware ESX Vsphere 6 Clusters running more than 60 unix and windows servers while using tools as snapshots/clones, V-motion, VM scripting and configuring DSA, and High Availability.
- Install and maintain various software; Lotus Notes, IBM DB2, IBM HTTP, Apache, Tomcat, Avamar, Cognos, OpenNMS, Nagios, WAS and MQs.
- Procured, installed and tested commercial software and operating system releases and updates.
- Test technologies like virtual desktops pilot by Virtual Bridges, OpenNMS and IBM director.
- Involved in EMC SRDF for AIX production LPARs with another geographical location
- UNIX hardening to secure all the hosts from unauthorized access or foul play.
- Constant monitoring and produce reports for administration for audit purposes.
- Worked with application teams in New York and Geneva in collaborative projects.
- Keep constant logs for changes and create documentation for organization wide use.
Confidential, New York, NY January 2008 - July 2008
Systems Administrator
Successfully implemented Globus Taminos in AIX for Private Banking to work with different interfaces in different geographical location. Wrote production shell scripts to automate file changes.
Responsibilities:
- Worked on p570 machines with AIX 5.3 in production, testing and development environments.
- Upgraded Technology Level from 5 to 7 and did patches, fixes, HMC update and microcode upgrade.
- Mirror rootvg in Powerpath disks to maintain redundancy and avoid path and disk failure
- Wrote shellscripts to automateerror logging, automatic file transfers, file content change and run them using at and cron.
- Design file transfers from different interfaces based on time related variables with SCP and connect direct.
- Harden the servers by limiting ftp access, limiting SSH, security roles for groups, secure password policy, and configure user security and limits, file access permissions to comply with the company security baseline.
- Used Work Load Manager (WLM) to define super classes and subclasses to cap applications resource usage to comply with sub-processor licenses.
- Worked with logical volume manager to design file systems, volumes groups to optimize through put to communicate with databases.
- Installed and configuredapplications, base builds; open-ssh/ssl, XL Compiler, WebSpere MQ, WebLogic, Connect:Direct, etc.
- Plan Disaster Recovery scenario with new hardware and software in a different geographical locations to comply with SLA.
- Worked with development teams in different countries, UNIX teams in different locations and call IBM AIX support.
- Document system changes, create technical documents, made presentations for the team members and senior management's future references.
Confidential, Wilkesboro, North Carolina Feb 2007 - January 2008
Systems Administrator
Successfully completed project to Migrate datacenter to different geographical location 1000 miles away.
Responsibilities:
- Worked in a environment with 300+ LPARs and 20+ HMC, and 150+ Unix boxes with AIX, Solaris, RedHat, SUSE, with Storages like EMC, IBM SAN storage.
- Help physical boxes migration to a different geographical location using EMC Symmetrix and clarion replication using SRDF.
- Was involved in GRABing EMC storage information to check data integrity and consistency before and after the migration.
- Used and created Korn shell scripts to install Legato networker client, Powersnap and Symcli in all the LPAR.
- Worked in production, development and test environments with maintenance windows to do upgrades.
- Was involved in upgrading LPARs running on P570 and P595 to AIX 5.3.6.
- Installed and maintain software; Webshere, ganglia, nagios and DB2.
- Was responsible for maintaining detailed information about Lpars, Managed systems, and HMCs for changes and had to create documentation for the rest of the UNIX team.
- Maintain inventory to comply with move project, and help design of migration.
- Worked with about 30 UNIX team members, who were responsible for different aspects of the organization and had great communication and collaboration between the management and the team.
Confidential, Sprint, Kansas City May 2006 - Dec 2006
Systems Administrator
Successfully upgraded production environment to newer OS version. Wrote scripts to automate backup and centrally store it.
Responsibilities:
- Involved in the migration from R50's to P630's and Operating system from AIX 4.5 to 5.1 at maintenance level 4.
- Installed and configured AIX 5.1, HACMP 4.5 cluster, Oracle, Web Logic, failover in both production and test environments.
- Configure TCPIP related technologies such as Virtual Ethernet, SEA adapterson the AIX systems.
- Responsible for taking system backups, database backups and performing systems restore and databases restore using the backup tapes.
- Was responsible for checking the validity of the transactions on the Oracle databaseand administerstatus for critical processes running on the platform.
- Was responsible for documenting the various procedures involved in maintaining the platform; taking backups, checking the health of the system, starting, stopping and initiating failovers on the HACMP, checking the database for validity of transactions.
- Was responsible for troubleshooting the problems on the platform using logs, errpt, alog.
- Was responsible for troubleshooting network connectivity and firewall issues with the firewall team.
- Provide technical support on a 24/7 basis and be on call routinely.
Confidential, 2005 April - May 2006
IT Support & Software Developer
Confidential, Oakdale NY
Responsibilities:
- Responsible for installation of different software in Gentoo, Slackware, Ubuntu, FreeBSD, Solaris and AIX systems.
- Administer and maintain old RISK systems with AIX and Solaris.
- Configure, compile, test and Install 'protein display programs' programs to work with Legacy hardware and published successful results for other Lab members to use.
- Team member in debugging RASMOL, molecule visualization software written in C Language.
- Created daily, weekly, monthly reports of progress, communicate with team members and project managers about the progress.
- Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment, releases and patches.
- Team member of CCP4 software installation in SUNOS, FreeBSD, Slackware and Ubuntu systems, which involves in system based customization, installing packages and libraries, and script customization.
Confidential, Garden City, NY January 2004 - August 2004
System Support Engineer
Responsibilities:
- Worked in a production environment, which consisted of Windows 2000, Windows 2003.
- Responsible for Installation, Configuration Management and Maintenance of XP Systems.
- Windows 2003, 2000 administration and support.
- Wrote Visual Basic store procedures to manipulate table data, used .net, Mysql and Sql Enterprise manager
- Worked both in Testing and Production environment dealing with direct clients and production team
- Providing support and troubleshoot with clients with the support team.
- Applying software maintenance program fixes and keeping the software releases current and control release management.
- Performed User Account management, data backups, and users' logon support.
- Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
Confidential, Bohemia, NY October 2004 - September 2006
IT Support
Responsibilities:
- Installation, configuration, maintenance and fine-tuning of Windows 2000 servers and Windows XP and WIN98 systems in a production environment.
- Repaired and resolved Windows XP, WIN98 Hardware and Software troubleshooting.
- Directly communicating with computer users about the security updates recommended from management using user management software.
- Wrote programs in Visual basic scripts in .NET to track web leads to create a database of competitors product information from web scrapes
- Helped maintain company's intranet, a Windows 2000 and IIS 5.0 environment
- Create web pages using Dream Viewer and PHP and links them to applications and databases.
- Created users, manage user permissions, maintain User & File system quota
- Documented installation procedures, changes required in present environment
- Diagnosed hardware and software problems and provided solutions
- Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment
REFERENCES: Available upon request