Resume

Engineer Manager

Location:

Atlanta, GA

Posted:

December 04, 2019

Contact this candidate

Resume:

Ather Khan

Email: adazxr@r.postjobfree.com

Phone: 214-***-****

Professional Experience Summary

Over 10 years of experience in DevOps and System Engineer, Systems Infrastructure support, Engineering, Systems security, Software upgrade, Application Support, Network administration, Administration of Production, Development and Test environment’s carrying Red Hat Linux, SUSE Linux, OEL, CentOS, HP-UX and Solaris servers.

Worked with Agile practices using CI/CD pipelines, with Jenkins (Continuous Integration), Nexus for Maven Repository, Maven Builds, Artifactory, Junit testing, Puppet module tests and deployments using multiple Jenkins plugins.

Worked with cobbler and foreman (using puppet) for PXE Linux installs and puppet modules configurations. Worked with Puppet Hiera, file bucket, fileserver and kicks.

Worked with installation and configuration of Docker environment (v1.5.0) including docker registry hub for managing different docker images and deployment of applications inside the software containers.

Worked with Automation/Configuration Management tools like Puppet 2/3/4, Mcollective, BMC Bladelogic Server Automation Suite v7/8, Chef 11/12, Ansible, PSSH tools.

Hands on Pivotal Cloud Foundry deployments and configurations.

Installed Pivotal Cloud Foundry on EC2 to manage the containers created by PCF.

Experience with ESM and monitoring tools such as AppDynamics, Splunk.

Experience with cloud automation tools - Chef, Terraform/Cloud Formation/ARM

Automation of infrastructure using Terraform and Ansible

Worked with web application deployments like Jenkins, Sonar, Nexus, on Tomcat containers using WAR (Web Archive) files. Worked with different Apache modules like PHP, forward and reverse proxy setup, mod_vhosts, CGI, mod_ssl, mod alias, mod_jk.

Hands-on understanding of AWS, Terraform, Ansible, Apache, Nginx, Tomcat, HAproxy, Jenkins, Maven, Artifactory, Docker, Elastic search, Memcache.

Experience with various version controllers like SVN, GitHub, Bitbucket in adds, commits, deletes of files, codes into dev, qa, test, prod branches.

Written and authored Ansible playbooks for different automation tasks to fit in to the deployment needs.

Worked with Cloud-based solutions like AWS (Amazon Web Services) for deploying on-demand Linux environments using EC2 and AMI, S3 and EBS for cloud storage services, ELB and Auto scaling for load balancing and highly scalable environments.

Good knowledge in virtualization using VMWAARE ESX 3.5, 4.0 for Redhat Linux and Solaris x 86 platforms.

Good working Knowledge on Configuration Management tools like Chef, Ansible and vagrant and cloud technologies like Amazon Web services (AWS) and OpenStack.

Experience in installing, renewing SSL certificate.

Experience supporting Database environments like Oracle, DB2 and also big data’s like Cassandra, Daytona, Golden gate and Hadoop.

Installed OS by using Jumpstart, PXE boot - Kickstart, methods for installing Linux.

Involved in configuring netback up master servers and client backup servers using VERITAS Netback up 7/7.5, monitoring backups, Netback up restores. Monitoring netback up reports.

Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.

Excellent communication skills, enthusiastic with the drive and determination to do whatever it takes to get the job done.

EDUCATIION & SKILLS

B. Tech (Information Technology) from Jawaharlal Nehru Technology University.

Operating System: Linux (Red Hat, OEL & SUSE), VMWare ESX, ESXi, 3.5, 4.1, 5.1, Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, CentOS, Windows NT /2000/2003.

Hardware: HP ProLiant Dl980, Dl580, Sun T & M series, Cloud (AWS, Amazon EC2, OpenStack), Pivotal Cloud Foundry Sun Fire 6800/4810/4800, Sun Enterprise 10000, T2000, M5000, T5, Ultra Enterprise 6000/5000, SPARC sun4c/sun4u, Ultra 5/10/60, PE Dell R910, R920, R410, R 610,860, HP Dl980 Intel Based PC StorageTek SD-3 tape drive.

Database: Oracle 10x, MySQL 5.0.2, SQL Server 2005, IBM DB2, Hadoop, Cassandra.

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

Languages & Tools: C, UNIX Shell Scripting, Perl Scripting, HTML, Perl, VB, Ruby, Docker, AWS. Puppet Version 2/3/4, Chef 11/12, Ansible 1.9/2.2.

Storage Arrays: Hitachi AMS, Hitachi VSP, EMC

Test Management Tools: HP ALM, HP Quality Center, Postman.

Web and App. Servers: Apache HTTP Server 1.x, 2.x, Apache Tomcat server’s v6.x, 7.x.

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

File Systems: UFS, VxFS, ZFS, ext., ext2, ext3, ext4, ReFS, Xen virtualization

Virtualization : VMware, Zones, LDOM, Oracle VM, Redhat KVM.

Backup Solutions: Veritas NetBackup 3.x, 4.x, 6.5.

Disk Management: VERITAS Volume Manager 3.x/4.x,5.x, Redhat LVM, SVM, ZFS.

PROJECTS

T-Mobile, Atlanta GA. OCT 2018 – Till date

DevOps & Cloud Engineer

Worked with Amazon IAM console to create custom users and groups. Launched Various AWSEC2 instances with different instance types on various Subnets and S3buckets CLI tools.

Experience with Pivotal Cloud Foundry deployments and configurations.

Installed Pivotal Cloud Foundry on EC2 to manage the containers created by PCF.

Experience monitoring tools such as AppDynamics, Splunk.

Used tools like Postman to validate the API Responses for multiple Applications.

Experience in Apache Active MQ, Rabbit MQ and Cloud Technologies, AWS.

Worked in MySQL and Cassandra databases on simple queries.

Implemented Micro-services using Pivotal Cloud Foundry platform build upon Amazon Web Services.

Experienced in configuring the CloudWatch service for monitoring various AWS services.

Set up the scripts for creation of new snapshots and deletion of old snapshots in AWS S3.

Adding bucket notification configuration that identifies the event in Amazon S3 to publish and lambda function to invoke.

Setup Docker to automate container deployment through Jenkins and Dealt with DockerHub, making DockerImages and taking care of various Images essentially for middleware establishments.

Expert on setting up the new repos, managing the permissions for various Bitbucket branches.

Worked on build tasks using Maven and Ant and worked with development team to migrate Ant scripts. Worked with development team to migrate Ant scripts to Maven.

Wrote Ansible Playbooks with YAML to automate infrastructure administration (infrastructure as code) and deployment automation. Created Playbooks to install and configure required packages to setup the environments.

Created Ansible playbooks to automate application pre-requisites and configuration such as kernel Parameters, application accounts and groups.

Actively participated in Bug triage meetings, working on defect tickets created on HP ALM.

Developed CI/CD system with Jenkins on Kubernetes container environment, utilizing kubernetes and docker for the runtime environment for the CI/CD system to build and test and deploy.

Involved in Configuring, automation and maintaining build and deployment CI/CD tools Git/GitLab, Jenkins, Build Forge, TeamCity, Bit Bucket, Docker registry/daemon, Kubernetes, Nexus, and JIRA for Multi-Environment.

Written Maven scripts, creating new build jobs, Integration testing jobs and deploy jobs in Jenkins to automate the process.

Managed all the bugs and changes into a production environment using the Jira tracking tool.

Involved in Configuration of LDAP, NFS and NIS in Linux and implemented Samba for sharing of resources between Linux and Windows environments.

Setup and provided support for applications tools like Web Logic, Web Sphere, Tomcat and applications running on them.

Worked with the RHEL for enterprise environment for the POC environment.

Environment: AWS, PCF, Docker, Ansible, Jenkins, ANT, Maven, Nagios, Cassandra, Rabbitmq,HP ALM, Postman, Bit bucket, Jira, Nexus, Apache Tomcat, Python, Ruby, FYAML, JSON.

Elavon, Atlanta GA. Aug 2017 – OCT 2018

Sr. Systems Engineer (DevOps/AWS)

Linux DevOps Engineer experience in Administration of Production, Development and Test environment’s carrying Red Hat Linux, SUSE Linux, and OEL, CentOS, HP-UX and Solaris servers.

Worked with AWS (Amazon Web Services) for Linux cloud deployments using EC2(Elastic Cloud Compute) for RedHat/CentOS/Ubuntu with Marketplace and Custom AMI’s.Worked with Instance store-backed and EBS (Elastic Block Storage) for setting up the EC2 instances.

Worked with EC2 instances with custom AMI’s and configured automated configuration tasks using shell scripts and cloud init directives for installation/configuration of the application stack for the new EC2 instances.

Ensuring availability of Puppet agents across Linux boxes to ensure configuration management application via Puppet Master.

Installed and configure Puppet Master/Agent based and Master less Puppet Configurations. Worked with custom facts with plugin sync, Puppet DB for storedconfigs, Puppet Dashboard.

Experience with cloud automation tools - Chef, Terraform/Cloud Formation/ARM

Automation of infrastructure using Terraform and Ansible

Worked with cobbler and foreman (using puppet) for PXE Linux installs and puppet modules configurations.

Worked with Puppet Hiera, file bucket, fileserver and kicks.

Developed procedures to unify, streamline and automate application development and deployment procedures with Linux container technology using Docker

Used Puppet to manage Web Applications, Config Files, Database, Commands, Users Mount Points, Packages

Deployed Puppet dashboard for configuration management to existing infrastructure

Worked with Puppet Mcollective client and agent configurations for the orchestration of parallel job executions on puppet clients with ActiveMQ.

Worked with Automation/Configuration Management tools like Puppet 2/3/4, Mcollective, BMC Bladelogic Server Automation Suite v7/8, Chef 11/12, Ansible, PSSH tools.

Extensive experience using MAVEN and ANT as build tools for the building of deployable artifacts (jar, war & ear) from source code.

Worked on Installing SPLUNK on DEV, Non-PROD and PROD servers.

Experience with log aggregation software – Splunk that includes querying, analyzing logs and troubleshooting.

Installing, configuring and administering Jenkins CI tool on Linux machines.

Used Jenkins for Continuous Integration and deployment into Tomcat application server

Installed OS by using Jumpstart, PXE boot - Kickstart, methods for installing Linux.

Involved in configuring netback up master servers and client backup servers using VERITAS Netback up 7/7.5, monitoring backups, Netback up restores. Monitoring netback up reports.

Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and WebSphere application server and webserver, web focus IHS Also involved in troubleshooting.

Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager 3.5/,4.1 .File system Tuning and growing using Veritas File System (Vxfs), planed, documented and supported high availability, data replication, business persistent, fail-over, fallback Solutions using VERITAS Cluster Server 4.0 in SAN environment.

Evangelism of best practices and tools and Programming/scripting skills using tools like shell scripting, Python, Groovy, PowerShell with Strong communication and cross-functional skills and the ability to execute autonomously given a set of clearly defined strategies

Expertise in System performance tuning, memory management, capacity planning and Disaster Recovery planning.

Experience in managing sudo and configuration management tools.

Updating knowledge base.

Environment: Solaris 9, 10,11 Red hat EL 4.x, 5.x, 6.x, 7 beta, Windows Server 2003, Web Sphere Application Server 10, JBoss 4.2.x, 5.x, shell, python, ruby, Maven, Splunk, puppet, Amazon Ec2, JIRA, rabbit mq web sphere, tomcat, Git, Jenkins, Build Management Ant, Art factory, VERITAS Netback up 5.0, 6.5, VERITAS Cluster Server 6, VERITAS Storage Foundation 5.0, Sun T2000, T5240, 6900, 4900, x4250, x4440, M5000, M6000, Dell 6450, 1350, DL 580, 585, HP Dl980, VERITAS Netback up 7.5.

AT&T Alpharetta GA, Jan 2013 – July 2017

Sr. Systems Engineer (DevOps/Linux/Solaris).

Installation and configured Solaris 9/10/11, Red hat 4.x, 5 on Dell Power Edge Rack, Blade & Oracle SPARC servers using Kick start with PXE and Solaris Jumpstart.

Installation and Administration of Solaris and Linux Enterprise Servers for test lab, production and disaster recovery setup.

Experience in supported Cloud environment using AWS (Amazon Web Services) and familiar with creating instances and managing cloud servers and monitoring them by using cloud watch.

Worked with S3(simple Storage Service) and EBS storage for different Application servers like Tomcat, Http, MySQL and Oracle Databases using different family of EC2(Micro, Small, Large, CPU intensified, Memory Intensified) and RDS Instances in AWS.

Worked with ELB and Auto-scaling for load balancing and scaling the Application servers based on demands using launch configurations, Custom AMI’s, Cloud Watch alarms and SNS.

Worked with Custom routes, NAT instances, Internet Gateways, Elastic IP’s, Security groups for incoming and outgoing traffic, Route53 for naming services for AWS infrastructure.

Involved in Red hat Linux patching using Repository servers and perform Linux kernel upgrade on x86 HW.

Experience working with Solaris Zones and Dom’s on T and M Series HW.

Worked on HPUX migration using native LVM and EMC products like EMC Power path.

Migration of applications from HPUX, Solaris 9 to 10 TO Linux (Red hat & SUSE) and resolving any dependency issues after live upgrade.

Worked on different types of Migrations and DR using EMC tools like SRDF, Open Migrator and Open replicator.

Worked on User administration setup, maintaining account, Monitor system performance using Nagios and Tivoli.

Supported 250+ AWS Cloud instance’s and also familiar with Amazon Cloud command line management.

Worked with Ansible for deployment of Security tools, Nagios agents, Nagios Servers, qoslite applications in different environments.

Worked with Vulnerabilities using MacAfee and address the vulnerability issues like Heart bleed bug, GCC Ghost, SSL Poodle, Bash Shell Shock using puppet and chef.

Worked with Ansible to deploy both Open stack/Non-open stack related components like Nagios Infrastructure,

Worked with Cloud-based solutions like AWS(Amazon Web Services) for deploying on-demand Linux environments using EC2 and AMI, S3 and EBS for cloud storage services, ELB and Auto scaling for load balancing and highly scalable environments.

Experience in using automation Tool like Puppet to automate tasks on multiple Linux servers and also involved in creating modules, manifests in Puppet using Ruby.

Installing, configuring and administering Jenkins CI tool on Linux machines.

Used Jenkins for Continuous Integration and deployment into Tomcat application server

Setup DR environment for tier one and tier two servers at DR site. This setup includes creating and configuring Solaris and Linux servers and recovering using VERITAS and Linux LVM.

Activities include user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, Ksh) for Red Hat Linux and Solaris systems.

Implementation of VMware Infrastructure for Solaris & Linux Red hat 5.0 with VMware ESX 3.5, Virtual Center 2.5 and administered the VMs with VI client.

Performed volume management which included the encapsulation, initialization, root disk mirroring, and export/import of disk groups etc. using VERITAS Storage Foundation 4.1/ 5/5.5.

Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting.

Mirroring of root disks using Sun Volume Manager (SVM) and configuration of RAID 5 soft partitions.

Used Logical Volume Manager (LVM) for the management of Volumes including creation of physical and logical volumes on Linux

Adding patches to keep the servers updated against bugs present in the operating system as well as other applications like VERITAS Storage Foundation, Web Sphere and Oracle running on Linux and HPUX

Worked on the configuration of mail server using Send mail 8.10.x, 9.x.

Installation of SAMBA 3.3.x server for interface between SUN servers and Windows servers to share files.

Responsible for network troubleshooting and planning in a web hosting environment including the configuration of 3-Tier Environment.

Strong scripting knowledge (Perl and C) to perform different administration tasks.

Experience in Shell scripting (Ksh, bash) to automate system administration jobs

Mentoring junior team members to support production web environment.

Environment: Solaris 9, 10,11 Red hat EL 4.x, 5.x, Windows Server 2003, Web Sphere Application Server 10, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5, Stellent 7.5.1, Samba 3.3.x, Veritas NetBackup 5.0, 6.5, Veritas Cluster Server 5, Veritas Storage Foundation 5.0, Sun T2000, T5240, 6900, 4900, x4250, x4440, M5000, M6000, Dell 6450, 1350, DL 580, 585, EMC Symmetric DMX-3,AWS EC2.

IBM PVT Ltd, Hyd India. May 2009 – Jan 2013

Systems Administrator (Linux/Unix)

Installation, Maintenance, Administration and troubleshooting of Sun Solaris 8,9 and Red hat 6, AS 3.0 servers on various hardware platforms that include Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 etc.

Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux and windows.

Extensively worked on hard disk mirroring and stripe with parity using RAID controllers

Implemented a High Availability Cluster using 2 V480s, a T3 and Veritas Cluster Server 4.0.

Developed, customized and build packages on Solaris and RPMs on Linux for deployment on various servers through Software Development Life Cycle.

Designed bash, Ksh, Shell and Perl scripts to automate application and system management activities. These scripts provided the following functionality: application startup and shutdown, monitored systems and applications health, and web site management

Installation, Management, Configuration of LAN/WAN systems utilizing Cisco switches and routers.

Experience using SAN & NAS environments connected to Linux servers. Managed EMC SAN devices on Linux hosts using EMC Power Path and Native Multipathing.

Experience in network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS and DHCP etc.

Involved in P2V Linux migrations on VMWare ESX 5 Cluster environment and performed physical and Storage vMotion and experience using tools like vCenter and vSphere.

Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment. Worked with Apache and developed several UNIX scripts to automate web tasks

Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.

Managed existing documentation for systems and created new procedures to support new products. Created documentation for disaster recovery project.

Environment: Solaris 8,9, Redhat Linux 9, AS 3.0, Veritas Volume Manager 3.x, 4.0, Veritas Cluster Server 4.1, Cisco Routers, Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 Redhat 8, 9.

Virtusa, India

System Administrator Mar 2008 – Apr 2009

Installation, Maintenance, Administration and troubleshooting of Sun Solaris 8,9 and Redhat 9, AS 3.0 servers on various hardware platforms that include Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 etc.

Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.