PROFESSIONAL SUMMARY:

• 9 plus years of combined professional Experience as Cloud solutions Architect/Developer, Dev - Ops/Build and Release engineer, Unix/Linux based System Administration, working on different environment including Red Hat Enterprise Linux( 6.5,6.7,7.1), Cent OS (4x, 5x & 6x), Ubuntu (6x, 7x, 8x, 9x), ESXi 4.5, AIX (V5.3,6.3,6,.5 and 7.1), Sun Solaris and Suse platforms.
• Experience in Architecting multiple virtualization environments of Linux and Windows (RHEL, CENTOS, Windows) servers along with creating and implementing a cloud strategy on Amazon Web Services.
• Building RPM's and compiling the Linux kernel for different builds
• Extensive knowledge in OS upgrades, patch and general tuning
• 24x7 on call rotation and incident management of RedHat and Aix systems

TECHNICAL SUMMARY:

Operating Systems: UNIX (AIX), Linux 6.0/7.0, REDHAT 6x, 7x

Application Servers: WebSphere 6.0/7.0 ND, SAMBA, SAP NetWeaver ABAP

Monitoring Tools: Tivoli Performance Viewer, SPLUNK, CloudWatch IBM Tivoli Monitor, HPOM, HPSIM, CPAC

Databases: IBM, DB2, Oracle, SQL Server, MongoDB, Amazon RDS

Languages: C++, JavaScript, HTML, JAVA, SQL, PL/SQL, ABAP, PYTHON

Web Servers: Apache V2.0.47, IBM HTTP Server V6.0.

Automation tools: Ansible, Git, GitHub, Gitlab, puppet, opsworks, cloud formation, code pipeline, code deploy,

PROFESSIONAL EXPERIENCE:

Confidential, Pittsburgh, PA

UNIX DevOps Engineer

• Worked on Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack (Including EC2, VPC, Glacier, Route53, S3, RDS, Cloud Watch, Cloud Trail, WAF, SNS and IAM), focusing on high-availability, fault tolerance, Load balancing and auto-scaling in designing, Deploying and configuring.
• Active incident troubleshooting of all aspect of RedHat Linux systems and on call basis
• Involved in Implementation of various AWS cloud Application & deployment using Amazon EC2, S3, RDS(MySQL), Elastic load balancing Elastic Beanstalk, Cloud Watch, Identity Access Management, Implementing Virtual cloud platforms using Amazon Virtual Private Cloud.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Implementing and setting up Puppet Master Server for configuring and installing the modules for automatic deployment on AWS Environment.
• Implementing and setting up AWS security groups for AWS Instances on AWS Environment.
• Implementing and setting up Route 53 for AWS Web Instances & ELB & CloudFront on AWS Environment.
• Designed Puppet Modules to manage configurations and automate installation process.
• Hands on experience in automating builds and deployment process using Shell scripting.
• Setup Active Directory environment on AWS and integrating with on premise AD server.
• Implemented and maintained server virtualization using VMware, ESXi and Oracle Virtual Manager.
• Coordinated with application team in installation, configuration and troubleshoot issues with Jboss servers.
• Installation and configuration of database systems e.g. MySQL, Oracle.
• Involved in creating virtual machine using Oracle Virtual Manager, creating server pool, VM cloning.
• System monitoring and remote connection management using telnet and SSH connections.
• Involved in setup Storage Area Network (SAN) and NAS and file system backup and restore.
• 24x7 on-call rotation for support of production systems
• Build VPC infrastructure on AWS via MASON and Puppet.
• Creation of subnets and Route tables, Internet gateway, virtual gateway customer gateway, Create VPN connection, Create VPC peering between Many VPC's.
• Implementing and setting up S3 SYNC between AWS Instances and S3 on AWS Environment.
• Create DHCP Option set for AD environment and Build Puppet server and Clients on AWS environment.
• Assigned AWS Elastic IP Addresses used to work around host or availability zone failures by quickly remapping the address to another running instance or a replacement instance that was just started.
• Store, manage & Monitor applications on S3 storage, including accessibility, Cross Region Replication and create and monitor Events, using Cloudberry Explored and s3cmd CLI.
• Configured and managed AWS Glacier, to move old data to archives based on the retention policy of databases/ applications (AWS Glacier Vaults).
• Provided security and managed user access and quota using AWS Identity and Access Management (IAM), including creating new Policies for user management in JSON

Confidential, Pittsburgh, PA

Sr. AIX/LINUX Administrator

• Experienced with NIM installation, setting up NIM servers and clients and defining various NIM resources like lpp source, SPOT, mksysb, image. Data, bosinst.data.
• Extensive knowledge in Flatten and Reload of REDHAT systems and kernel patching
• Relinking of ORACLE binaries after upgrades and system patches
• Configured lpp source and SPOT in NIM server and installed AIX on NIM clients using NIM master server
• Created and managed users, managed user and file system quotas, set up network printers and installed client server applications on RHEL 6.5, 6.6
• Migrated RHEL 6.4 and 6.5 to 6.6 both Physical and Virtual environments
• Applied system updates
• Created raw volumes and file systems on AIX for Oracle databases, which will be used as raw data file by the Oracle databases
• Created standard LPAR, performing DLPAR operations to manage recourses between machines
• Expertise in Logical Volume Management(LVM) and Disk Management
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Performed troubleshooting, performance tuning and capacity planning, and troubleshooting of issues with minimal down time or no outage during working hours and have backup plans for critical Production Servers
• Installed and Configured of Network Installation Manager (NIM), configuring the NIM master and assigning the clients and taking the mksysb of the NIM client on the NIM master
• Restored the server from the mksysb image and bringing up the server
• Performed Failovers in HACMP / cluster environment, monitoring servers
• Configuration and administration of Fiber Adapter’s and handling SAN disks on AIX
• Experience working on HMC, installing and configuring VIO Server, LPARs/DLPARs and subsequent maintenance and administration

Confidential, Atlanta, GA

DevOps LINUX Engineer

• Extensive exposure to Configuration management policies and practices with regards to SDLC along with automation of scripting using shell, python and Perl scripting.
• Hands on Exposure on Version Control GIT and Gerrit.
• Created branches in GIT implementing parallel development process.
• Built applications using Chef/puppet scripting, Ant with Ivy build.
• Extensive experience in creation and management of Chef POC environment.
• Experience installing packages using YUM and RPM on RedHat Linux.
• Installed Jenkins on Linux machines and created master and slave configurations to implement multiple parallel builds.
• Created Power Shell Scripts to patch DLLs across various servers
• Application deployment and configuration for enterprise scale infrastructure using Jenkins.
• Worked on functional and unit tests using python and Java.
• Performed DevOps for Linux, Mac and windows platforms.
• Extensive experience with Nagios monitoring system as well as other monitoring tools.
• Responsible for creation and management of Chef Cookbooks.
• Implemented Configuration management and change management policies

Confidential, San Bernardino, CA

Sr. UNIX/LINUX Admin

• System Installation and configuration (RHEL, Solaris, Windows Servers).
• Monitored, analyzed, and responded to security events utilizing security event management and reporting tools.
• Account, user and group administration, Permissions policy management and quota implementation.
• System performance monitoring, tuning and log management.
• TCP/IP Networking troubleshooting and Linux Network Administration.
• Worked closely with network/incident analysts and IC analysts to monitor current attack and threat information to identify.
• Installed, configured, supported and security implementation on following services:
• DHCP: Range of IP, Assigning fixed IP to MAC address.
• SSH: Configuring Servers, password-less authentication configuration.
• NFS: Configuration, administration, on demand mounting.
• NIS: Server and client configuration.
• DNS: Server configuration and maintenance.
• HTTPD: Apache web server maintenance, installation, configuration, managing web hosting including name-based, secure and private site, monitoring web server performance, certificate generate, security checks and periodic upgrades, manage user accounts, back up.
• SQUID: Proxy Server configuration, allow deny access.
• E-mail: Postfix, Dovecot configuration, user management, relay, alias, configuration.
• System monitoring and remote connection management using telnet and SSH connections.
• Involved in setup Storage Area Network (SAN) and NAS and file system backup and restore.
• 24x7 on-call rotation for support of production systems.

Confidential, Englewood, CO

UNIX/Storage ADMIN

• SAN management and configuration including Zoning, LUN creation and assignments
• Performed System Auditing and Data collection for Review and compliance
• Configured and maintained Fiber Attached SAN connecting UNIX Servers to IBM ESS Storage device
• Performed TSM installation, configuration, and Monitoring
• Performed AS 400 Jr. Level System Administration tasks
• Support development of technical standards and application uses
• Monitor and tune all AIX systems to achieve optimum performance
• Participate in several DR exercises requiring the successful recovery of TSM Database, Business Critical Unix Servers, Oracle applications and EDI applications
• Maintained system mounts, file systems and storage
• Ensured AIX data integrity by evaluating, implementing and managing appropriate software and hardware solutions
• Served as a liaison between a variety of project team members, including client representatives, project management, information technology and supporting consultants
• Helped to document training materials and assisted in user training
• Provided 24/7 on-call support
• Provided remote technical support assistance to clients on multiple products within SAN and NAS environments
• Microsoft Exchange migration, transformations, builds and relocations.
• Server and storage deployment, assessment, optimization and transformation oriented engagements.
• Disk partitioning and volume management including mapping of volumes
• Installed and Re-installed Server Operating systems(Windows and Unix)
• Reviewed diagnostic information to assist in isolation of a problem cause and assisting to interpret traces and dumps
• Upgraded and licensed software
• Interpreted online manuals regarding IBM code and application interfaces.
• Collaborated other support centers and business units to provide seamless problem resolution

Confidential, Kennesaw, GA

SAP FI Support Analyst

• Involved in the project from specification through development to installation and future consultation
• Involved during the Full life-cycle implementation and assisted the team leads in the preparation of Business Blueprint document - analyzing the existing system for AS-IS study; gathered functional requirements through user workshops
• Monitored the progress of all FI tasks against project plan
• Configured company code, chart of account, account groups, maintained field status variant
• Posted customer invoices, cleared open items against incoming payments (residual/partial). Also configured reason codes for different partial/residual payments
• Managed data transfer from legacy system using LSMW tool. Also validated the data after transfer from legacy system
• Installed, configured and managed Network printers and servers
• Maintained training materials for FI related processes
• Documented critical changes, performed system tests and trained client team members on new system functionality