Manager Management

Usman Sarwar

*************@*******.***

Ph# 443-***-****

SUMMARY:

Around 8+ years of total experience with 7+ years of related specialized experience in AIX Administration.

Experience with administration, regular maintenance, problem and change management on AIX 4.3, 5.x, 6.x and 7.1 and RHEL 4/5 servers.

Attend project Kick-off meetings, understand the customer requirements, providing the technical expertise and architectural guidance.

Point for contact for Junior SAs in resolving the issues and providing them, the step by step instructions to perform the task.

Analyzing the problems and resolving the issues with zero or minimum down-time.

Identifying, researching and recommending the improvements to the existing processes based on best practices with repeatable standard configurations.

Applying software maintenance, program fixes and keeping the system software releases current.

Installed, Configured VIO V2.2 server.

Migrated and Upgrade VIO V1.5 to V2.1 and then upgraded to V2.2

Installed and Configured 2 node PowerHA 6.1.9, 6.1.11.

Migrated PowerHA V6.1.9/6.1.11 to 7.1.3

Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.

Building the Team Room Database by writing the process and Technical documents.

Training the New Team members on process flow and giving knowledge transfer on ac- count specific applications.

Configured HACMP 6.1 to monitor, detect and react to failure events, allowing the sys- tem to stay available during random, unexpected software problems and also configured to react to hundreds of system events.

Experience in setting up clusters and creating repository queue managers for load balanc- ing.

Responsible for configuring User Authentication for the AIX systems using LDAP.

Good knowledge in IBM AIX hardware components (RS/6000, pSeries), trouble-shoot- ing and maintenance of PC’s.

Installation and configuration of LPAR’s with AIX 5.3 and 6.1 on p5, p6 and p7 servers.

Installation and configuration of VIO Server with AIX 5.3 on 570, 590 and 595 models.

Implementing and managing resources in VIO server.

Installation of web sphere on aix server.

Installed Veritas Cluster Server on Solaris, with Oracle agent. 1 P a g e

Experience in analyzing logs, problem determination, and Recovery and restart.

Worked closely with DBAs to install raid, disk areas for Oracle database instance instal- lations, created Bourne shell database startup and shutdown scripts for UNIX servers. Wrote shell scripts for automated installations, to extract logs.

Installed, Configured, Managed IBM WebSphere Application Server v 6.1/6.0/v 5.0 with IBM HTTP Server and Process Server on AIX and Windows.

Created Flash copy volumes.

Backup and restoration process in solaris.

Experienced in implementing the workload Management (WLM) using cloning and clus- tering.

Experience in monitoring the availability & performance of AIX Servers through tools like vmstat, netstat, vmstat and iostat.

Experience in clinet/server based ERP solutions.

Migrating AIX OS from 6.1 to 7.1 on P7 -770..

TECHNICAL SKILLS:

LANGUAGES : C, C++, java, servlets, jsp, ejb, vb, JavaScript, html, perl and shell programming.

OS : ibm aix (5.0), linux (redhat, suse), windows 2000/nt4.0 win- dows 2003, sun solaris, mac8.1/9/10 and os2.

IDE : visualage3.5/4.0, websphere application studio4. jbuilder, code warrior, clearcase, clearquest and rationalrose.

WEB TECHNOLOGIES : html, dhtml, xml, java script, jsp, servlets, ejb. APPLICATION SERVERS : websphere application server 3.5/4.0, netscape/iplanet server, mqseries, weblogic server, ibm http server.

NETWORKING : tcp/ip, nis, nfs, dns, dhcp, cisco routers/switches, lan. RDBMS : ibm udb2, oracle 7.x/8.0/9i, ms-sql server 7.0/6.5 and ms-ac- cess 97/95.

OTHER SKILLS : hacmp, samba, tivoli (tsm), veritas netbackup, veritas volume manager.

WORK EXPERIENCE:

ATOS,

Frederick, Maryland

June’ 2013- Current

Role : AIX/Unix Administrator

Responsibilities:

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Experience in administration of enterprise applications with emphasis on IBM WebSphere Application Server 3.5/4.0/5.0, IBM HTTP Web Server Workload Management (WLM) in AIX, Sun Solaris, Linux and Windows NT/2000/XP environment.

Worked as AIX administrations and providing maintenance support to multiple IBM ma- chines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1/7.1.

Disk Replacement Strategy on AIX.

Defined and setup network printers, and install client/server applications. Define/setup net- work protocols, Network File Services (NFS), and Network Information Services (NIS).

Performance Management & Tuning of AIX/UNIX Kernel.

Security, users, groups’ administration and daily backup and restore operations.

Package, build, integrate and deploy enterprise J2EE applications on WebSphere 3.5/4.0/5.0 that involves EAR, JAR, and WAR files.

Responsible for configuring user authentication for the Aix system using LDAP.

Experience in setting up cluster and creating repository queue managers for load balancing.

System & backup management using IBM ADSM Backup Server.

Creating user profiles including groups and user accounts, assigning them passwords periodi- cally and allotting them the required permissions. Changing the permission specifications as per requirements depending on User Administration duties.

Installation/administration of AIX, Linux and NT/2000 Servers on a LAN.

Installation and Administration of TIVOLI Service Desk.

Networking service, performance, and resource monitoring.

Applying software maintenance, program fixes and keeping the system software releases cur- rent.

Installed and configured Sudo for users to access the root privileges.

Installed application connectivity software to enable IBM print services. Configured and ad- ministered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.

Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production. WIRELESS TECHNOLOGIES, Baltimore, Maryland

Jan 2008 –May 2013

Role : AIX/Unix Administrator

Responsibilities:

Worked as AIX administrations and providing maintenance support to multiple IBM ma- chines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1

Performed installation, periodic maintenance updates and APAR fixes.

Configured and maintained the HACMP clusters to keep the high availability applications running on IBM pSeries.

Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.

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Installed and configured VIOS servers and related LPARs through HMC.

Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alter- nate Disk Migration with NIM

Built VIO servers and vio clients on POWER6, p5 P520,P550.P570 and p595s

Configuration management including the building of LPARs using HMC, IVM and configur- ing the hardware devices that support them.

Created and configured dynamic VIO servers 1.3, 1.5 and VIO 2.1

Created SEA, Control channel, assigned disks through vscsi and NPIV

Installed and configured JBoss application server and Weblogic application Server.

Supported and troubleshooted JBoss and WebLogic application servers in Unix Environment

Involved in installation, configuration and troubleshooting issues related to JCAPS.

Responsible to apply patches, fixes and service packs to JCAPS.

Provided support for other UNIX based applications and servers on an as needed basis.

Active involvement in monitoring server performance, network traffic to reduce performance bottleneck.

Involved in implementation of EMC Power path for load balancing and redundancy in data path.

Co-ordinated application team to Upgrade AIX 5.1 to AIX 7.1. Extensively used LVM - created VGs, LVs & disk mirroring for IBM p-series servers

Configured NIM, NFS and NIS and standardization of all the systems.

Activities include user administration; startup and shutdown scripts; crontabs, filesystem maintenance and backup scripting and automation.

Applying software maintenance, file sets, program fixes and keeping the system software re- leases current.

Administration responsibilities include user, group, disk, printer and security management, File sharing Permissions.

System & Backup management using IBM TSM Backup Server and using Tape libraries.

Installed and configured IBM Tivoli Network Storage Manager (TSM) client & Server soft- ware backup and recovery solutions

Coordinated server maintenance through a well defined change control process including af- ter hours and weekend (Sunday) work as necessary to support systems.

Generated reports to show the trends of resource utilization user/CPU/network load.

Performance Management & Tuning of AIX /UNIX Kernel.

Configuration and Administration of DNS, NFS, DHCP, FTP, Samba Servers and clients. Se- curity layers like SSL, SSH, HTTPS, SFTP.

Installation and configuration and maintenance of Netscape and Apache web server.

Wrote shell scripts for automated installations, to extract logs.

Responsible for migrating and decommissioning of the system Creating Disk groups and volumes, plexes using VERITAS Volume Manager 5.0, Managing disks and file systems us- ing VERITAS Volume Manager 5.0

Installing and configuring Legato Netbackup 7.3.3, VERITAS NetBackup 5.0/6.x and Trip- wire

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Creating UNIX file system, VERITAS File System and configuring VG’s and LV’s using LVM.

Worked extensively on HA/ Disk Volume Management with VERITAS Volume Manager/ SVM & VCS

Installed Veritas clustering on oracle and websphere server.

Installed and configured Solaris 10 Zones and containers on Solaris Enterprise server like M4000, M5000, T5220, T5240

Updated documentation of all the Servers and the installed applications and patches.

Assisted other Unix administrators when help was needed (i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc). EDUCATION:

Bachelors of Science in Information Technology

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