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Unix/Linux Admin

Location:
New york city, NY, 10001
Salary:
$55 per hour
Posted:
January 27, 2011

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Resume:

JAYDEEP

917-***-****)

SUMMARY OF EXPERIENCE:

• Possess 7 years of total IT experience with Solaris/Veritas/Linux/SAN Administration.

• Technical Proficiency in Sun Solaris 8, 9, 10, SUSE Linux, Windows XP/2003/2008, Sun Cluster 3.1, VERITAS Volume Manager 4.1/5.0 and VERITAS Cluster 4.1/5.0, EMC/SAN and NAS.

• Installation, configuration and administration of Sun Solaris, SuSE Linux and Veritas products.

• Configured Solaris Container, Zones, LDOM and VMware ESX (Linux & Windows) for different Application Servers and Web Servers (Oracle Application Server 10g, Tomcat and Apache).

• Configured, administrated and troubleshoot Unix Servers.

• Designed UNIX shell scripts and Perl scripts for Automation, job scheduling and Administration.

• Migration and consolidation of Unix Servers in Production data center.

• File system management, disk space and user management on various servers running under Solaris.

• Configured DHCP, NFS, Sendmail, DNS, NIS, and LDAP on Solaris Servers.

• Installation of Packages, Patch Management and Upgrades.

• Configuring TCP/IP, SMTP, SNMP, HTTP, FTP, VPN and SSH protocols.

• Troubleshoot Incident/Problem tickets in Production, Development and Testing Environments.

• Solved hardware problems, dealt with hardware vendors, made hardware purchases & decision-maker in purchases.

• Interaction with End Users, various clients around Asia-Pacific region, European clients Business Process Owners and functional consultants for finalization of functional specifications and Technical specifications.

• Providing 24*7 On Call support.

• Excellent leadership, technical, communication, analytical and problem solving skills.

EDUCATION & CERTIFICATIONS

• Masters of Science in Information, Network and Computer Security from New York Institute of Technology, NY

• Bachelors of Engineering in Information Technology from Vasantdada Patil College of Engg., India

• Diploma in Computer Technology from Terna Polytechnic College of Engg., India

• SCSA (Sun Certified System Administrator)

• SCNA (Sun Certified Network Administrator)

• Veritas Certified Specialist (Vertias Volume Manager & Veritas Cluster Servers)

TECHNICAL SKILLS

Operating Systems: Solaris 8, 9 & 10 OE, Windows XP/Vista/2003/2008 server, SUSE 9, 10, Redhat 3/4/5, HP-UX 10/11i, AIX 5.1.

Hardware: E25K, E10K, Sun-Fire T2000, Sun-Sparc T5220, T2000, V880, V440, Blade 8000 and AIX 5.3.

Application/Web Servers: Websphere MQ, Weblogic 8.0, Tomcat 6.0, Oracle Application Server 10g, Apache.

Relational DBMS: MySQL, Sybase, Oracle 10g/11g.

Languages: C, C++, Java, UNIX Shell and Perl Scripting.

Tools: Remedy, Hobbit, ActiveBatch Scheduling Tool, VMware 3.5.

SAN & Storage: Sun T3 & T3+ Array, 3510 Array, EMC Symmetrix and CLARiiON, VERITAS Volume Manager 4.1/5.0, VERITAS Backup Exec, Veritas NetBackup, SL500 Sun Storagetek, MSL 6000 Tape Library.

PROFESSIONAL EXPERIENCE:

Maersk Line, Charlotte, NC Jul 09- Till date

Solaris/ Linux/SAN Administration

Maersk Line is the world’s largest shipping company with more than 500 ships. It manages shipping orders, their transportation and delivery throughout the world.

Roles and Responsibilities:

• Supporting around 500 servers (Solaris 8, 9, 10).

• Installation and configuration of Sun Solaris Servers; Installation of Packages, Patch Management and Upgrades;; Creation of partitions, mounted and un-mounted file systems and repaired using fsck utility.

• Installation and configuration of Sybase, Oracle 11g Databases.

• Installed, Configured, maintained Weblogic, Sun One.

• Configured Jumpstart server for our environment to automate installation, custom configuration and standard builds.

• Upgraded our Solaris 8 servers to Solaris 10 using Solaris Live Upgrade with less downtime.

• Build Solaris Container for webservices to be used by our 60000 users application.

• Built Solaris 10 severs from scratch and configured LDOM’s.

• Worked on a project to upgrade all ALOM firmware for all our servers.

• Performing the daily system checking and troubleshooting.

• Taking care for transferring the files from Development server to production servers at all CM sites.

• Installed, Configured and maintaining more than10 Clusters with each two nodes using Sun Cluster.

• VERITAS Volume manager and file system troubleshooting.

• Mission Critical 24x7 Servers support, ITIL process foundation.

• Manage service call from beginning until the problem is resolved and use Call Management tools to update all involved activities accurately.

• Following Support Services Level, Business and company policy while making any changes or update to meet Customer Satisfaction goals.

• Responsible for building internal knowledge base database by contributing the experiences and knowledge acquired during work.

• Checking daily backups on backup report and making sure failed backup problems are fixed and re-ran. Remote backup and Recovery Tasks.

• Documenting the Solution of all the problem faces for team and future references.

• Provisioning of Storage allocation from SAN on accordance to requirements from different projects.

• Performing net backup periodically.

• Level 3 support and working in shifts. Providing on call support.

• Initiating and attending Weekly project meetings with Project Manager, Clients, Team meetings, etc.

• NIS, NFS, LDAP, AUTOFS, NTP, VPN, SSH configuration and Administration.

• Designed UNIX shell scripts for job scheduling and administration; System start up and Shutdown.

• Managing the offshore team and coordinating the different activity according to shift durations.

Environment: E25K domain servers, SunFire V440, V880, Blade 8000, VxVm, Vxfs & Sun Cluster, IBM MQ series, Weblogic, Websphere MQ, Tivoli Storage Manager, EMC Symmetrix DMX.

AW-Mobile, NY Feb 08 - Jul 09

It’s affiliated to T-Mobile cell phone service provider. They now have 30 locations in Nassau, Suffolk and Queens. They are awarded with best performing team in Eastern Region.

Roles and Responsibilities:

• Supported around 100 servers (Solaris 9, 10, Redhat, 7.3, 8, SUSE, HP-UX 10/11, Windows 2003/2008 & AIX)

• Have supported Sun Servers in Data Center.

• Configured and maintaining the monitoring tool for whole environment with Hobbit monitor.

• Installed, configured and maintained Websphere MQ for middleware servers.

• Created zones and installed and maintained Oracle10g database on virtualized environment.

• Migrated Oracle10g database from Solaris 9 to Solaris 10.

• Installed, Maintained Sun clusters for App server, database servers.

• Configured kickstart server to automate installation on various servers architectures with custom installation.

• Managed Latest fixes and updates using SUN Connection Update Manager. Installed Sun connection update on client servers and maintained.

• Planned, Installed, Configured and Maintained Redhat cluster suite.

• Installed, configured VMware on Linux, HPUX, AIX boxes as well windows 2003/2008 for MySQL, Oracle databases and different J2EE applications.

• File management, disk space management and security administration of users accounts, files, directories on various servers running under Solaris.

• Planned of backups, Full, Incremental, differential backups and perform backup on daily, weekly and monthly basis and Restoration using Veritas Backup Exec tool.

• Tuned the operating system, kernel, memory, IO, network using ps, vmstat, iostat, netstat, nfsstat, proc and sar commands.

• Swap extension and administration.

• Installation configuration and Regular upgradation of software - Patch and Package administration.

• Reviewing system log files for errors. Performing daily system health checkouts. Setting up cron jobs for backups and Process.

• VERITAS Volume Manager and VERITAS File System troubleshooting and Administration. Adding additional and extension of existing Filesystems using VxVm and Vxfs.

• Supporting Multi-tier application environment with Weblogic, Websphere.

• DNS, NIS, DHCP NFS, AUTOFS, NTP, VPN Configuration and Administration.

• Maintenance on Solaris 10 Zones. Good knowledge on patching global zones and application upgrades on non-global zone.

• Working with Application and Database team to get new LUN allocated from Storage. Involved in many SAN allocation to hosts.

• Production 6 Sun clusters support (2 node each). Maintenance of Sun Cluster resource group.

• Upgrading the Application as per Application team requirements.

• Perform power down checkouts. Doing Root Cause Analysis for major Incidents. Security Health-checkup and audit checks.

• SME for Patch upgrade, patchdiag (Patch Verification tool), TSM clients.

• Perform daily checkouts on backups (Tivoli Storage Manager) and coordinate for resolution with Backup team.

• Participate in assessing current environment and making recommendations for improvement with an eye to automation. Share information and promote effective communication among peers and Clients.

Environment: E10K domain servers, Sun-Sparc T5220 & T2000, Redhat4/5.x, SuSe, HPUX 10/11i, AIX 5, Windows 2003/2008/XP, Tomcat, Websphere, VxVm, Vxfs & Sun Cluster, Tivoli Storage Manager Backups.

Micro Solutions, India Dec 06 - Jan 08

Its a web hosting company offering services like Web Hosting, Dedicated Servers, ftp, Anti-Virus Console, Firewall Maintenance and Data Recovery.

Roles and Responsibilities:

• Supported 60 servers running Linux, Solaris Windows XP/2003/Vista OS.

• Built Linux, Solaris and windows servers from scratch.

• Installed, configured VMware on Linux and Windows servers.

• Done migration from Solaris to Linux.

• Server monitoring using Nagios and hand on performance tuning with CLI.

• Written scripts for various tasks automation.

• Configured Sendmail, DNS, FTP and generating SSL for HTTPS.

• Installed, configured and maintained Sun-clusters in Production, Testing and Development environments.

• Installed Kickstart/Jumpstart servers for automatic and custom OS installation.

• Performed NFS, Autofs, SSH, NTP administration.

• Performed role as root cause analyst to resolve variety of issues.

• Installed and configured Oracle9i, SQL-Server 2003 databases.

• Installed, configured and administred App servers such as Tomcat, Weblogic.

• Disk management, volume management with GFS and SVM.

• Packages and patches installation and troubleshooting.

• Planned of backups, Full, Incremental, differential backups and perform backup on daily, weekly and monthly basis and Restoration

• Guided and monitored students/interns performing Admin/Network tasks in labs.

• Created Runbooks for task procedures and documented steps taken to resolve an incident.

• Firmware upgrade and OS release upgrade using Live-upgrade.

Environment: Sun Fire X4200, Sun Fire V480, V490, Windows 2003/XP/Vista, Fedora 8, Ubuntu, Tomcat, Apache, Oracle 9i.

Sutherland Global Services, India Dec 03 - Nov 06

Sutherland Global Services was founded in 1986 as a global BPO and Technology Enabled services company offering an integrated set of back-office and customer facing front-office services that support the entire customer lifecycle. It is one of the largest, independent global BPO companies. Headquartered in Rochester, N.Y., Sutherland employs over 29,000 professionals and has 31 global delivery centers in the United States, Canada, Mexico, India, the Philippines, the United Arab Emirates, Bulgaria, and the United Kingdom.

Roles and Responsibilities:

• Maintaining internal servers for infrastructure support.

• Performed Solaris upgradation/Firmware upgradation activities.

• Adding additional and extension of existing Filesystems using SVM metadevices and soft partitions.

• User administration and auditing for current and new employees.

• Used Navisphere client to manage LUN’s , creating new RAID groups, storage gropus, assigning to servers etc.

• Performing daily system health checkouts.

• Configured ALOM for console usage.

• Mission Critical 24x7 Servers support in rotation shifts.

• Analyze and suggest corrective methods on performance issues.

• Mounted and installed new servers to be used for new projects.

• Package and patch administration.

• Maintained backup tapes, labeled them and prepared them to store at remote site.

• Remote Administration Tools: Cyclades, RSC.

• Scheduling jobs using crontab and at.

• Followed corporate standards in changing the scheduled scripts.

• Coordinating and managing disk failure replacement process with vendor and internal Operations.

• Administer and maintain day-to-day operational support, implementations and periodic hardware and software maintenance. Level 2 and Level 3 support tasks.

Environment: Enterprise Servers E450, E250, Ultra 60, Ultra 10, Linux.



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