SUMMARY:

• Around 7+ years of extensive experience and specialized in Linux/Unix administration for supporting application on Red hat, CentOS, Ubuntu, SUSE, Solaris, Confidential - AIX and Windows environments.
• Around 3 years of experience AWS Architect in private, public and hybrid cloud infrastructures.
• Proficient in AWS services EC2, IAM, S3, CloudWatch, Redshift, Dynamo DB, SNS, SQS, SES, VPC, ELB, RDS, Lambda, Aurora, EBS, Route 53, Auto Scaling, Code Deploy, Code Pipeline and Cloud Formation.
• Responsible for designing and building resilient and secure infrastructure for scalable, high-performing, highly available web applications on cloud environments
• Creating S3 buckets and managing policies for S3 buckets and utilized S3 bucket and Glacier for storage and backup on AWS and Utilized AWS CLI to automate backups of data and stores to S3 buckets, EBS and create AMIs for mission critical production servers as backups.
• Perform analysis on existing enterprise applications and systems to determine suitability to migrate to the AWS cloud.
• Experience with various AWS services - including but not limited to EC2, S3, VPC, IAM, RDS, CloudWatch, SES, SNS, CloudFormation, Route53, SQS, EMR
• Experience with RDMS DBs such as MS-SQL Server, Oracle, MySQL, Aurora and No-SQLDBs as MongoDB, DynamoDB.
• Implemented Large Scale Cloud Infrastructure using AWS resources ( S3, EC2, ELB, EBS, Route53, VPC, Autoscaling etc.) and deployment services (OpsWorks and cloud Formation) and security practices (IAM, cloud watch and cloud trail) and services Lambda, EMR, RedShift, ECS, Elastic BeanStalk
• Administration, installation, configuration, troubleshooting and performance tuning of Linux/Unix distributions.
• Installation and configuration of web hosting administration such as FTP, SSH, RSH, Telnet , and HTTP.
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP, SMTP and also subnetting.
• Strong experience to develop the automation tools to improve productivity for core business platform in Python/bash scripting as daily activities task like logs file, disk spaces, patching but not limited.
• Hands on experience in REST API , cloud computing and provisioning/Creates VMs, compute Cluster, Pool, VIP and Topology . .
• Configure, support F5 BIG-IP and Citrix NetScaler (LTM & GTM), Load Balancer configuration including (VIP, POOL, Cluster, Compute)
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configurations management to existing infrastructure and startup. and also, Extensive experiences with version control tool like SVN , and GitHub
• Extensive experiences in configuration, troubleshoot, support with Dell iDRAC remote console servers.
• Experienced in working on DevOps /Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).
• Strong knowledge of OpenSSL, SSL certification, renew and installation, LDAP, authentication, SSO, 2Fa, Firewall rules, IPtables.
• Experiences on implementing and configuring monitoring tools like Nagios, SolarWinds, WPM,
• Experience on ticketing tool Remedy and Jira to bug tracking, issue tracking, and project management.
• Experience in virtualization software such as VMware. Installed and monitored Virtual environments with ESX4, ESX 3.x, ESXi servers and VirtualCenter2.X.
• Hands of experience configuration setup and support for IPV4 and IPV6 and network Topology.
• Using AWS provisioned virtual servers, setup a rule, configure Internet access, allocate and route IP addresses, and scale your infrastructure to meet increasing demand.
• Experienced in working on DevOps /Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).
• Strong experience to configuration of LAMP, Apache Lucene, Tomcat and middleware application servers. Extensive experience in Software Development Life Cycle (SDLC) including requirements analysis, design specification, coding and testing of enterprise applications.
• Experience in Scheduling Full Backup of VERITAS Net backup in SAN and Incremental Backup daily, weekly and monthly.
• Understanding of numerous types of Networking, Computer Hardware, and Software Development Life Cycle (SDLC).
• Configured Volume groups, logical volumes and file systems on Linux
• Experience in Confidential Web Sphere Administration and setting up Confidential Web Sphere Application Servers in the development, testing and production environments.

PROFESSIONAL EXPERIENCE:

Confidential

Linux/AWS Cloud Administrator

Responsibilities:

• Decommission legacy servers from production pool no longer used to reclaim resources.
• Project assessment for their tech refresh of Windows / Linux servers.
• Deploy thousands of new Windows and Unix VM servers into the production pool.
• Work with F5 and NetScaler load balancers to manage traffic weighs and ensure the required servers, IP, ports are bind to the pool in their proper state.
• Issue new SSL certs and bind them to the load balancers for particular web applications.
• Manage CNAMES, DNS A & PTR records for production environment.
• Worked on UNIX, Red hat Linux 5x, 6x, 7x, Linux Desktop, SUSE Linux Enterprise Server 9.0 and AIX 5.2/5.1/4.3.
• Access Controls/Security Provisioning.
• Maintains UNIX/Linux Operating System to provide optimum performance and system availability.
• Understand Confidential environment and think critically to handle provisioning and decommission processes in a fast-paced server environment, contribute constructive solutions problems.
• Extensive experience in private, public and hybrid cloud infrastructures
• Responsible for designing and building resilient and secure infrastructure for scalable, high-performing, highly available web applications on cloud environments
• Creating S3 buckets and managing policies for S3 buckets and utilized S3 bucket and Glacier for storage and backup on AWS and Utilized AWS CLI to automate backups of data and stores to S3 buckets, EBS and create AMIs for mission critical production servers as backups.
• Perform analysis on existing enterprise applications and systems to determine suitability to migrate to the AWS cloud.
• Experience with various AWS services - including but not limited to EC2, S3, VPC, IAM, RDS, CloudWatch, SES, SNS, CloudFormation, Route53, SQS, EMR
• Experience with RDMS DBs such as MS-SQL Server, Oracle, MySQL, Aurora and No-SQLDBs as MongoDB, DynamoDB.
• Implemented Large Scale Cloud Infrastructure using AWS resources ( S3, EC2, ELB, EBS, Route53, VPC, Autoscaling etc.) and deployment services.
• (OpsWorks and cloud Formation) and security practices (IAM, cloud watch and cloud trail) and services Lambda, EMR, RedShift, ECS, Elastic BeanStalk
• Experienced in working on DevOps /Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).
• Extensive experiences with provisioning vServer, compute, creating cluster, VIP, Wide IP in GTM internal and external LTM.
• Hands on experienced in DNS, DNS ZONE, NFS, NetApp Filer, Bash scripting and Python.
• Real time experience JSON code using REST API including Postman (PaaS, IaaS, ePaaS, PUT, GET, POST, FlexUp, FlexDown), provisioned Topo, Cluster, compute and instances.
• Experience with F5 BIG-IP Load Balancer (LTM & GTM), Citrix Netscaler Load Balancer.

Confidential, Brisbane CA

Unix System Administrator

Responsibilities:

• Extensive experience with Dell iDRAC console, Dell Service Now,HP and Confidential Hardware configuration, troubleshoot and working with Dell services/HP and Confidential vendors.
• Specialized in decommission old physical/virtual Linux/Solaris and Windows servers
• Setup and maintained an internal site which queries Dell DRAC remote servers. Using that, I setup monitoring for hardware components which were previously not being monitored,
• Potentially preventing downtime and data loss. Wrote several BASH scripts for Nagios monitoring and maintained existing scripts in BASH and Python. Remotely installed,
• Maintained physical servers as well as VMware and OpenVZ virtual machines. Migrated VMs and patched VMware for Meltdown. Checked in scripts and DNS changes using Github.
• Extensive experiences with Puppet, puppet dashboard deployments, puppet master and client design, design puppet manifest and writing module to automate and pushed to specific client or flavor of OS.
• Extensive experience with version control tool like SVN, GIT for checking individual code or made changes in server.
• Real time experiences with add, remove, update servers from load balancers, ports, VIP and update DNS and work with Product Development team for various functional testing.
• Remove and/or add servers from load balancers, update DNS and work with Product Development team for various functional testing.
• Follow established SOPs (Standard Operating Procedures ) for various tasks.

Confidential, Menlo Park, CA.

Linux System Engineer

Responsibilities:

• Administration, Installation, Configuration, troubleshooting and Performance tuning of Linux distributions such as Red Hat Enterprise Linux, SUSE Linux Enterprises and others
• Extensive experience in Software Development Life Cycle (SDLC) including requirements analysis, design specification, coding and testing of enterprise applications.
• Configuration & Migration of UNIX and Linux operating systems and Administration. Installation, configuration and remediation Of various Security software Writing Shell and Perl Scripting for automation of job
• Analyze, review and alter existing network to increase operational efficiency or adapt to new requirement
• Perform Root Cause analysis on critical and re-occurring issues Troubleshooting Networking issue after migration.
• Analyze, review and alter existing network to increase operational efficiency or adapt to new requirement.
• Installation of Packages and patches.
• Application Support: Able to debug issues on java, Apache and middle-ware applications Requirement Analysis and Planning for Performance testing, Identify PLT requirements with DEV Team, Performance testing Scenario designing and planning. Performance testing using Load runner/ Win runner
• Test Data Setup, Prepare Scripts to simulate Virtual users load Performance Testing and Result Analysis.
• Real-time hands-on experience on SVN Adm (Master) server, dealing with checks in configuration and promote the change in Puppet server.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management and existing infrastructure.
• Re-Designed and redeployed the Nagios implementation. Nodes automatically added/removed themselves via Puppet.
• Configuration, manage Puppet master and agent server and client as real time working experience.
• Deployed LDAP for centralized authentication and authorization for Dev team, QE/QA.
• Installed patches using Scripts on Pre- Production and Production and virtual servers.
• Configured Kickstart Servers and booting the images using PXE in Red Hat Linux.

Confidential, Bentonville, AR.

Unix System Administrator

Responsibilities:

• Installed patches using Scripts on Pre- Production and Production Servers.
• Worked on Virtualization (Xen and VMware) on several hundred of servers.
• Monitored the health of Production Blade Servers, handling power outage issues, turned off old Blades and applied patches.
• Managed Confidential Blade Centre, Backed up Informix Databases and also worked with DBA and Networking teams.
• Imaging, Pre-conversion checks, Conversions, Migrations, Installing Deployment patches, Updates on several thousands of Production Servers.
• Installed packages (Conexus) and enabled vendor layers for Wal-Mart stores..
• Troubleshoot Server Cable Patching, Cluster Cable Heartbeat and Network Cables for Sun, HP ProLiant and Confidential Servers.
• Monitored the health of Production Blade Servers, handling power outage issues, turning off old Blades and applying patches.
• Configured Confidential Websphere App Server 6.0.2 running as non-root User.
• Ignite and kickstart servers.
• Configured Cron Jobs for RMAN Backup, Oracle Database Archive Removal and File System Usage.

Confidential, Dallas, TX

Unix/Linux Administrator

Responsibilities:

• Supported infrastructure environment comprising RHEL 3, 4, 5.3, SUN Solaris 9 HP-UX 11.X machines.
• Responsible for applying latest patches, user administration, kernel-tuning parameters, file system space monitoring on Solaris systems.
• Rolled the production ENV. Using 3rd party software Control - M, JetFire.
• Applied Operating System updates, patches and configuration changes.
• Configured SDS Mirroring on System Disks and Configured IPMP on Network Interfaces
• Setup KICKSTART & NIM server and install clients.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, mother board etc) & firmware.
• Experienced in creating Logical Partitions (LPAR) on Tivoli Storage Manager (TSM), EMC Environment: AIX 5.1, 5.2, 5.3, RHEL3.x/4.x, Apache1.3, Web sphere, Oracle 8i, Work Load Manager, HACMP, VERITAS NetBackup, Dell Power Vault, Storage TEK, L700.

Confidential

Unix/Linux Administrator

Responsibilities:

• Participated in team activities as a member of the Linux / UNIX System Administration.
• Set up and administered user and groups accounts, setting permissions for users .
• Built and installed multiple Linux machines.
• System and Application troubleshootin g and other related issues.
• Provided management of system process in areas like boot process, startup and system shutdown.
• Installed, configured, maintained and administered Linux / UNIX operating systems and components. Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache .
• Disk management and implementation
• Installed, upgraded and patched Red Hat Linux, Windows 2000, Window XP, and Solaris, Monitoring the health and stability of Linux and Windows System environments
• Run-of-business activities included DNS, mail, Apache, and Tomcat configuration management, RSA SecurID (ACE/Server) management,
• OS upgrades, and security fix deployment across installed base for Sony’s GISS compliance rotated 24/7 on-call support
• Planned and executed packages and updates installations necessary for optimal system performance.
• Diagnosed and resolved problems associated with DNS, DHCP, VPN, NFS, and Apache. Designed