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 SKILLS:

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, cloudformation, code pipeline, code deploy

PROFESSIONAL EXPERIENCE:

Confidential, Pittsburgh, PA

UNIX DevOps Engineer

Responsibilities:

• 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
• SAN management and configuration including Zoning, LUN creation and assignments
• Involved in Implementation of various AWS cloud Application & deployment using Amazon EC2, S3, RDS(MySQL), Elastic load balancing, Auto scaling, Cloud Front, Elastic Block Storage, 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

Snr. AIX/LINUX Administrator

Responsibilities:

• Experience 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
• Applying 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
• Administration and troubleshooting of HACMP clusters
• Create 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
• Perform 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
• Installation and Configuration 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
• Restoring the server from the mksysb image and bringing up the server
• Performing 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

Responsibilities:

• 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

Responsibilities:

• System Installation and configuration (RHEL, Solaris, Windows Servers).
• Monitoring, analyzing, and responding 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.
• Installation, configuration, support 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

Responsibilities:

• 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 AS400 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
• Installing and Re-installing Server Operating systems(Windows and Unix)
• Review diagnostic information to assist in isolation of a problem cause and assisting to interpret traces and dumps
• Upgrading and licensing software
• Interpret online manuals regarding IBM code and application interfaces.
• Collaborate other support centers and business units to provide seamless problem resolution

Confidential, Kennesaw, GA

SAP FI Support Analyst

Responsibilities:

• 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 and customized field status groups
• 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