SUMMARY:

• IT professional possessing both in - depth and hands-on experience; as an Infrastructure Engineer / system Engineer. Performed day-to-day roles and responsibilities of an administrator including systems installation, configuration, maintenance, monitor, backup and system protection; possesses a high-level of integrity, commitment, excellent troubleshooting and analytical skills.
• Expertise in Amazon Cloud (AWS EC2, VPC, EBS, AMI, snapshots etc).
• Worked on Autoscaling, CloudWatch (monitoring), AWS Cloudformation, Amazon S3 (storage) and Amazon EBS (persistent disk storage).
• Experience working Amazon AWS Cloud services like EC2, S3, ELB, EBS, VPC, RDS, etc.,.
• Hands on experience with Amazon Web Services AWS as the primary platform for Cloud AWS including Elastic Load Balancer, EC2, S3, and RDS
• Installed and Configured Solaris by using Jumpstart and Linux by using Kickstart.
• Experience with patching of Linux and Solaris servers and hardening of servers using native and third party tools.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Migrating, Configuring and installing zone and ldom.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP, SMTP and RAID.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint),
• Created and Managed File Systems (CFS) for Oracle & Sybase data bases.
• Experience in AWS EC2/EMR (private and public cloud).
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, Tomcat, WebSphere, JBoss4.0.x, 5.x, Web Servers, WebLogic 8.x, 9.x, 10.x, 11.x servers and LDAP servers.
• Configured DNS, LDAP, Apache HTTP servers.
• Experience in scripting languages such as Confidential, Perl, Python and Ruby.
• Experience in running SQL running queries and also performing online, offline and cold backups for Oracle and MySQL.
• Experience in SAN migrations from EMC DMX to VMAX at host level using HPUX, Linux and VERITAS LVM.
• Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager. File system tuning and growing using Veritas File System (VxFS), planed, documented and supported high availability, fail-over, fallback Solutions using Veritas Cluster Server in SAN environment.
• Worked with Backup Team to Configure the Master and Client Backup servers Using VERITAS Net Back up 4.5/5.0.
• Worked with VMware ESX servers, and Virtual Infrastructure client to create virtual guests
• Experience in migrating VMware ESX 3.5 to ESX 4.0&vSphere ESXi 4.1 to ESXi 5.0.
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Software configuration management using Chef and Puppet.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Involved in installing Nagios monitoring and Splunk services on UNIX servers.

TECHNICAL SKILLS:

Operating Systems: Hardware

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming Lang & Databases: MySQL, Oracle, MSSQL, C, UNIX Confidential Scripting, Perl Scripting, HTML, Perl, VBProtocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

Virtualization: VMware vCAC, vSphere, vCenter, vCloud, VMware ESX/ESXi.

Cloud: AWS EC2, S3, RDB, ELB, EBS, VPC, Auto Scaling, DynamoDB, OpenStack

PROFESSIONAL EXPERIENCE:

Confidential, Philadelphia, PA

Cloud/DevOps Engineer

Responsibilities:

• Involved in building architectural diagrams using Amazon web cloud services(AWS) like creating EC2 instances, security groups, Virtual private connections, Route 53, RDS, S3, SES, SQS, SNS, Cloudformation in Amazon Linux AMI 2015, RHEL 7.x, SuSE Linux Enterprise Server 12, Ubuntu 13.x 14.x and Windows 2012 R2, 2008 R2
• Involved completely on migrating on-prem applications into Cloud using Cloudformation templates with high security by adjusting security groups flowing inbound and outbound both on Windows and Linux instances.
• Launched Database for MySQL 5.x and Oracle 11.x using RDS in multiple Available zones, have setup monitoring for CPU Utilization and limited DB connections by implementing alarms integrated to pagerduty via Cloudwatch.
• Created alarms using Cloudwatch for monitoring CPU, memory, disk space etc., maintaining SES, SQS, SNS, IAM roles, S3 bucket for backups.
• Also built CloudFront for firewall and used lambda function for maintaining CloudWatch metrics and logs.
• ELK (Elasticsearch, Logstash and Kibana) had to be in place for logging and visualize past data through graphs and sent to S3 to store logs to avoid multiple third party tools.
• Install and configure DHCP, web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on AIX and Redhat servers.
• Experience working on Automation tools like Puppet and involved in developing manifests using Ruby and Confidential Scripting.
• Created and managed user accounts, security, Access Control Limits (ACL), permissions, disk space and process monitoring inRed hat Linux and AIX using Nagios
• Worked on installing Splunk and Splunk forwarder to analyze logs of application and services.
• Worked on Git and SVN for Source-code management to allow the Developers to do Code-Review and verifying the source code before submitting.
• Worked on Ant-Hill Pro and Jenkins to create Workflow, Artifacts and Deploying the code to the webservers and Docker containers.
• Implemented and Enhanced the Existing Scripts which are developed in Confidential, powershell, Ruby and Python.
• Brought repeatability, consistency, and organization to the team's development infrastructure by Puppet-izing the configuration for all of the servers used in production.
• Worked on writing Puppet Manifest and Modules from scratch for entire application.
• Also have hands on experience on creating cookbooks and recipes in Chef 10.x, 11.x.
• On-call support bi-weekly for troubleshooting production issues and for any updates/patching.
• Documenting all the production issues and application installations in confluence page.

Confidential, Chicago, IL

Cloud/DevOps Engineer

Responsibilities:

• Experience on AWS cloud services like EC2, S3, RDS, ELB, and EBS for installing, configuring and troubleshooting on various Amazon images for server migration from physical into cloud.
• Involved in maintaining the user accounts (IAM), RDS, Route 53, VPC, RDB, DynamoDB, SES, SQS and SNS services in AWS cloud.
• Spun up Windows 2008, 2012 R2, RHEL 6.x, Ubuntu 11.x, Amazon Linux instances installed Apache Tomcat application with a reverse proxy and placed these instances under an Internal and External Loadbalancers.
• Written custom scripts for backing up data for more than 2 weeks into S3 bucket and for longer period of time the data was moved to RedShift.
• Configured ILO IP addresses and InstalledRedhat Linux 6.4, 6.5and Solaris 10 on HP x86 servers (C7000, DL360, and DL380’s).
• Used LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Used puppet and Chef Automation tools for configuration management in different systems.
• Wrote Puppet manifests in Ruby for deploying, configuring and managing collected for metric collection and monitoring.
• Implemented and Enhanced the Existing Scripts which are developed in Confidential, Perl, Ruby and Python.
• Installed and upgraded Veritas Volume Manager 6.0 and used Veritas Cluster Server to create environments for Weblogic, NFS and sendmail agents.
• Experience in Managing SAN disks like EMC and VMAX using EMC Powerpath.
• Installed EMC Powerpath and create Storage RAID groups, LUN’s and assigning them to the servers.
• Experience in Troubleshooting and performance tuning issues with applications likeOracle 10.x, 11.x JBoss 5.x, WebLogic 11.x, 12.x.
• Experience in installing and deploying Apache, JBoss 5.x
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Experience with F5 load balancers to load balance and reverse proxy servers.
• Experience in Weblogic and WSIL deployments.
• Installed and configured VMware products including vCAC, vSphere, vCenter, vCloud.
• VMware ESX/ESXi 5.x installation, configuration and maintenance.
• Built ESXi servers and implemented complete integration with SAN for VMotion in VMware DRS and HA enabled.
• Implemented automated Cloud infrastructure using Chef.
• Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Experience in Virtualization Software’s (Hypervisor, KVM, OpenStack etc.)
• Familiar with OpenStack concepts of user facing availability zones and administrator facing host aggregates.
• On-call support for 24/7 for troubleshooting production issues.
• Created a discussion group for cloud support team in shared point and also maintained all documentations here.

Confidential, Chicago IL

Sr. Linux/DevOps Engineer

Responsibilities:

• Installing and upgradingRedhat Linuxon HP x86 and Itanium Servers andSolaris on Sun SPARC, HP DL 380 G 4, 5, 6 and 7 & Dell Power Edge servers.
• Installing and maintaining Solaris Jumpstart environment and Redhat Kickstart environment.
• Involved in application deployments in java using Anthill pro 4.x and 5.x component from development to production environment.
• Used OpenStack and AWS cloud services to launch Linux and windows machines, created security groups and written basic powershell scripts to take backups and mount network shared drives.
• Creating sparse root and whole root zones andadministeredthe zones for Web, Application and Database servers and worked onSMFon Solaris 10.
• UsedHP Service centerand Remedy change management system for ticketing.
• Troubleshooting and performance tuning issues with applications likeOracle 10g, JBoss 4.x, WebLogic 10, MQSeries 6.xand the operating systems which includedSolaris and RHEL.
• Worked on the administration of theApache, JBoss 4.2.2servers including installation and deployments.
• Experience in building customized RPM packages.
• Confidential scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.
• Experience in writing scripts in Ruby and Python for automation.
• UsedSun Volume Manager for Solaris and LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Experience in NAS environment carrying Netapp filers and EMC Celerras.
• Experience managing SAN disks like EMC Clarions and VMAX using EMC Power path and Volume management software.
• Experience working with GIT and LDAP.
• Worked withVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Implemented HA using VERITASCluster Server 5.0forApache gent and Ldom.
• Installed, configured and administrated a multiple number of virtualization environments which includes LDOM, Zone and Hardware Domain etc.
• Implemented and administeredVMware ESX for running the Windows, Redhat Linux Servers on development and test servers.
• Installed and upgraded VMware vSphere ESXi 5.0/4.1/4.0 and ESX server 4.1/4/3.5.
• Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure.
• Installation, configuration and troubleshooting of Redhat, Ubuntu on various hardware platforms on Amazon AWS cloud services.
• Worked on AWS service to create, launch, configure EC2 instance, worked on S3, RDS, Auto Scaling, SES, SQS, and VPC, to build given architectures.
• Used puppet and Chef Automation tools for configuration management.
• Implemented Puppet modules to automate configuration of a broad range of services
• Responsible for supporting and maintainingOpenStackin a production environment.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.
• Experience Installing and configuring Splunk to gather stats on the servers.
• Documenting all the processes for above, issues caused and its solutions in timely manner.

Confidential - Houston, TX

Sr. Unix/Linux Administrator

Responsibilities:

• Installation ofSolaris 8, 9based servers withJumpstart and RedHat Linux EL 4.x based servers using Kickstart indevelopment, test and production environments.
• Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms.
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Responsible for user administration and management usingSUDOandRBAC
• Built new systems for Production and migrated fromSolaris 8 to 9.
• MaintainedVolumesandFile systemsusingVxVM / VxFS for Oracle, DB2, MySQLdatabases.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Experience with runningSQL queries on Oracle and MySQL.
• Upgraded over 35 servers withVERITAS Volume Managerfrom3.x to 4.0.
• UsedVERITAS Cluster Server 4.1to create high available environments forNFS, WebLogic and Sendmail agents.
• Experience with SAN Arrays like creates Storage RAID groups and LUN’s and assigning them to the servers.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery.
• Implementation of naming services like DNS with Bind 8.4.x and NIS.
• Upgraded VMware ESX 3.5 infrastructure to VMware vSphere 4.1 and VMware vCenter 4.1.
• Administered VMware environment, evaluated and implemented new hardware and software
• Took active part in troubleshooting VMwarevCenter and ESX issues and also in system hardware failures.
• Provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.

Confidential - India/Chicago IL

Linux/Solaris Systems Administrator

Responsibilities:

• UNIX Administration- maintaining around 1000 Production environment including Solaris & RHEL 3.x & 4.x servers. Managing their memory / CPU load, Disk Space, swap space, processes etc running on them Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Installation, configuration & administration of Redhat Linux 8/ 9/ RHEL 3.0/ RHEL 4.0 & Solaris 8/9, IBM AIX servers.
• Upgrading Development servers to Solaris 9 and 10
• Experience configuring ILO and Manage Servers remotely using ILO
• Configure servers to use HTTP, DNS, NFS, NetBackup, and Storage Disk configuration.
• Creating & administer user accounts, SUDO access, etc
• Managing file systems; grow them on fly using LVM on Solaris and Linux.
• Implementing software RAID at install-time on Linux..
• Add, remove, and resize logical volumes on Linux and Solaris
• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux
• Worked on NetBackup migration
• Mirror the root volume group in Solaris and use it for redundancy.
• Configure VERTITAS for a clustering environment on Redhat and Solaris servers.
• Performing O/S upgrades and Maintenance level upgrades.
• Use ILO/HMC for remote access of servers on Linux/Solaris respectively.
• Confidential Scripting to automate tasks on Solaris and Linux.
• Co-ordinate with IBM and HP for faulty part replacement.

Confidential

Jr. Unix Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Creating and Authenticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• Experience working with SVN and GIT and LDAP.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working with DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database server on Solaris after creating the file systems, users and tuning the kernel.
• Installed and ConfiguredSSHGate for Remote and Secured Connection.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices likeprinters, scanners, modems, network and communication devices.
• Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Installing, Configuring and Troubleshooting various software’s like Windd, Citrix - Clarify, Rave, VPN, SSH Gate, Visio 2000, Star Application, Lotus Notes, Mail clients, Business Objects, Oracle,Microsoft Project.
• Troubleshooting and solving problemsrelated to users, applications, hardware etc.
• Working 24/7 on call for application and system support.