SUMMARY:

• Around 5 years of experience of managing physical and cloud infrastructure as UNIX (Solaris, HP - UX, AIX) and Linux (Red Hat, SUSE) System Administration with experience in Compute, Network, Storage, Automation, Cloud and Virtualization areas of IT.
• Implementation and development of AWS proof of concept for application migration to cloud.
• Extensive experience in automating building servers using Jumpstart, Ignite, Kick-start and AWS console.
• Support migration of datacentre to AWS cloud.
• Experience in multiple AWS services ranging from IAM, EC2, Storage ( S3, EFS, Glacier), Networking (VPC, Cloudfront, Route 53), Kinesis, management Tools (CloudWatch, CloudFormation) etc.
• Experience in installation and configuration of Patches and Packages in heterogeneous environments.
• Experience in configuration management using tools like Puppet, Chef, and AWS user data.
• Excellent in configuring NIS, NIS+, NFS, SMTP, DNS, DHCP, Mail Server, LDOM and Samba Server in a heterogeneous environment.
• Experience in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager (VxVM), Solaris volume management (SVM), Logical Volume manager (LVM). File system Tuning and growing.
• Experience in using VERITAS Netbackup, IBM TSM Backup. Proficient in System Backup and Recovery from tapes using flavor specific backups fbackup, frestore, dump, restore.
• Experience in implementing High Availability Clusters using VERITAS Clustering, HP Service Guard, Red hat Cluster Server.
• Implemented and enhanced UNIX shell scripts using Korn, C Shell, Bash and Perl Scripting.
• Experience in UNIX Performance monitoring and kernel tuning and Load balancing.
• Experience in Storage Area Network (SAN), NAS, DAS includes Confidential storage arrays (CLARiiON and Symmetrix), Hitachi, HP Storages.
• Proficiency in VMware. Installation and monitoring virtual environments with ESXi.
• Implemented SUDO, Secure Shell (SSH) and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Experience with the Ethernet switches 10/100/1000, Gigabit, Fast Ethernet, IP addressing, subnetting, Cisco IOS.
• Implemented and configured the protocols TCP/IP, Ripv1, Ripv2, OSPF, EIGRP, BGP, PPP and Frame Relay.
• Experience in troubleshooting OS, Crash recovery and performance tuning activities. Skilled at investigating and resolving system problems with minimum time.
• Excellent knowledge of ITIL processes.
• A good team player with ability to lead a team by example and motivate them to achieve desired objectives. Willing to take on extra responsibilities to get work done.
• Experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris 8, 9, 10, Red Hat Linux 6, 5.x, 4.x, AIX 4.3, 5.1, 5.2, 5.3, 6.1 and HP-UX 10.x, 11.x

TECHNICAL SKILLS:

DevOps Tools: Chef, Puppet, Jenkins,Ansible, Docker

Cloud Platforms: AWS, VMware ESXi

Operating systems: Red Hat Linux (RHEL 3/4/5/6), SuSE (9/10), Solaris 10/9/8, HP-UX (11.11, 11.23, 11.31), IBM AIX (5.1, 5.3),, Windows 2003/vista, 7,8,10.

Server Hardware: Sun Fire 3800/4800/6800, V120/V240/V440/ V480 /V490/V1280/V880/V890,Sun Enterprise 250/220R/420R/2900,E10K,E25K, Tseries, MSeries, HP Proliant DL 585/360/385/585 G2, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, T-Series M-Series, IBM e-Server Regatta P690, P570, RS6000, IBM/HP/DELL Blade Servers.

Networking: TCP/IP, NFS, AutoFS, NIS, DNS, DHCP, LAN, WAN

Storage hardware: VMAX 10k/25k, Symmetrix DMX 800/1000 / DMX-2 / DMX-3 & Confidential CLARiiON FC and CX Series, FC JBOD, Brocade FC Switches, Net App Filers, Qlogic and Emulex FC HBAs, Brocade silk worm 3200, 3800,48k, iSCSI/ FC Storage arrays, RAID Storage arrays, DLT and LTO Tape Libraries, Hitachi enterprise systems.

Cluster Solutions: VCS 4.0 & 5.0 with CFS & GCO, Sun Cluster 3.0, 3.1,Redhat Cluster Suite, Service Guard 11.16/17/18

Virtualization Tools: VMware/LPAR/LDOM, Zones/Containers.

Security: Secure Shells, SSH, SCP, SUDO.

Scripting language: Python, Linux Shell Scripting, Ksh, Perl, Bourne shell.

Ticketing Tools: Remedy, RedBox, Service Centre and OPAS.

Protocols: TCP/IP, UDP RIP, SOAP, EIGRP, IGRP, SNMP, SMTP, TELNET, HTTP

EXPERIENCE:

AWS Cloud/Linux Engineer

Confidential, FL

Responsibilities:

• Experience in application server builds in EC2 environment and monitoring using CloudWatch.
• Moving EC2 instances to private sub-networks based on requirements.
• Lift and shift of an existing on-premises application to AWS.
• Supported development of AWS proof of concept creating VPC, IAM users, EC2 instances, EBS, S3 resources.
• Developed Cloudformation templates to deploy resources in HA, FT, Autoscaling environments in test environment.
• Actively involved in the design document of Continuous Integration Continuous Deployment project.
• Extensively used native Unix commands like awk, sed, find, grep, cut, paste in bash scripting as required.
• Documenting project related, operational related procedures.
• Performed server configuration management using puppet.
• Selecting the suitable AWS service based on data, compute, database, or security requirementsI
• Identity and Access management to resources via IAM roles.
• Maintain network security using security groups, NACLS, Load balancing, Autoscaling.
• Creating security groups for group of instances or a single instance as required.
• Plan and support migration of data center to Amazon cloud.
• Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment
• Managed physical and cloud infrastructure running Redhat/SuSE/CentOS/Solaris on AWS cloud, x86, SPARC hardwares.
• Installation, configuration of Solaris 10/11, RHEL 5/6, SUSE 10/11 operating systems.
• Involved with the new server provisioning, build (using PXE boot), configuration and productionization.
• Worked on performance monitoring and remediation on Solaris/Linux operating systems.
• Created zpool and zfs filesystems. Migrated from UFS to ZFS file system.
• Installation and configuration of Veritas Volume Manager (VXVM), Veritas file system (VFS). Implementation of RAID techniques and creation disk groups and volumes, plexes using Veritas Volume Manager.
• Managing disks and file system using Veritas Volume Manager(VxVM), Solaris Volume Manager (SVM) in Solaris Servers and using native Logical Volume Manager(LVM), in Linux servers & AIX servers.
• Package management using RPM, ZYPPER and Yellowdog Updater Modified(YUM) in Linux.
• Experience working with Red hat satellite network server (RHNS).
• Experience configuring linux network bonding and multipathing in solaris and Linux.
• Configuration, troubleshooting of services like NFS, NIS, NIS+, DHCP, FTP, LDAP, Web servers, Samba server, Apache server, Sendmail.
• Experience working with work load automation tool, Control-M.
• Installed and configured Veritas Cluster Server(VCS) 5.x/ 6.x for high availability.
• Installed and configured oracle real application cluster (RAC) in Linux environment.
• Worked on Confidential SRDF replicated storage for failover/failback of critical application.
• Worked on installing and configuring VMware/ESX servers for virtualization.
• Involved in disaster recovery planning, documentation and implementation of 2-tier/ 3-tier, application/databases across global disaster recovery data centers.
• Involved in planning and implementation of annual power down exercise of datacenters.
• Installed, configured IBM TSM 5.x/6.x clients for scheduled daily/ achieve backups.
• Performed TSM data backups and restores as per application requirements.
• Coordinated between different regions (UK, APAC) on everyday basis to take and give the shift handover.
• Worked as part of 24X7 on call production support team to assist mission critical application/database servers.
• Worked on simultaneous multiple projects to upgrade enhance the environment for bug fixes, automation and consolidation and cloud migration.
• Work on escalations from the offshore teams and documentation and creation of knowledge base of repeated incidents for a sustainable solution.
• Involved with doing the root cause analysis of persistent issues across enterprise level servers.

Environment: AWS EC2, VPC, EBS, Autoscaling, ELB, Route53, CloudWatch, Puppet, Ansible, Red hat Linux 5/6, Solaris 8/9/10, AIX 5/6, Sun Enterprise Servers E5500/E4500, Sun Fire V 1280/480/440, Sun SPARC 1000, M-series, T-series, HP & IBM blade servers, IBM RS/6000, p Series servers, VMware ESX Server, Oracle servers. IBM TSM backup, VCS, VXVM, Confidential VMAX, SRDF, BCV

UNIX/ Linux Administrator

Confidential, IL

Responsibilities:

• Performed package and patching upgrades across all enterprise Solaris and Red hat servers.
• Building servers using kickstart and jumpstart in linux and solaris respectively.
• Upgrading of BIOS version on dell servers.
• Working with VXVM and LVM.
• Editing OS parameters for better performance and optimization.
• Drafting and updating of handbook for technical reference.
• Coordinating with offshore, near shore teams and distribution of work.

Environment: Solaris 8/9/10, Linux RHEL 4/5/6, SuSE10/11, Dell 610,620,710, Sun Fire V880/890 Server, Sun Enterprise Tseries servers, Sun SPARC Enterprise 1000, M4000/5000, Blade Server (HP-IBM), Veritas Net Backup 6.x,Veritas Volume Manager 5.x.

UNIX/ Linux Administrator

Confidential, OR

Responsibilities:

• Installation, Configuration and Upgrade of Red Hat Linux 5/6 operating systems.
• Configured and installed Redhat Linux Servers using kick start.
• Configured System Imager for Linux Server and used it for Cloning, Software distribution and OS updates.
• Worked on performance tuning in Solaris, Linux (Redhat/SUSE) and HP-UX.
• Migration of Confidential storage.
• Performed package and patching management and debugging in UNIX and LINUX.
• Installation and Configuration of VERITAS Volume Manager, Veritas File system and Veritas Cluster Server.
• Configured SSH for private/public key authentication. Upgraded tectia ssh and OpenSSH and used tectia ssh manager.
• RPM package administration using RPM Build.
• Responsible for upgrades to Red Hat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Maintenance and implementation of SUDO.
• Installation, Configuration and support for upgrading and patching Linux Servers RedHat Satellite Server.
• Used System Imager to clone/rebuild Linux Servers.
• Maintenance of Source code, Direct interacts with development, migration, testing and Database-Oracle 10g.
• Worked on SAN ( Confidential /HP/Hitachi) storages with HBA card configuration and different level of RAID configuration.
• Experience in configuring and installing of Confidential Symmetrix/ Clariion.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment like administration, documentation and configuration.

Environment: Solaris 8/9/10, Linux RHEL 4/5/6, SuSE10/11, Sun Fire V880/890 Server, Sun Enterprise Tseries servers, Sun SPARC Enterprise 1000, M4000/5000