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Senior Devops /linux Engineer Resume

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San Antonio, TX

SUMMARY

  • Over 12.4 years of experience in IT industry with professional including last three years as AWS Certified Engineer in Automating, Configuring and deploying instances on AWS, Azure environments and Data centers, also familiar with EC2, Cloud watch, Cloud Formation and managing security groups on AWS.
  • Experienced inn Microsoft Windows 2012/2006 R2 Systems, Red hat Linux 6.7/7.4 Systems and VMware Administration.
  • Build & Release/DevOps Engineer with AWS Cloud platform experience with mentoring skills and good understanding of the principles
  • Experienced in Continuous Integration, Continuous Deployment/Delivery integration pipelines using Jenkins
  • Professional Working Experience on HP Servers (DL360/380/580, ML580), IBM x3000 Blade Servers, and DELL Power Edge Servers.
  • Extensive experience in performing System Integration/Administration for Microsoft Windows 2008/R2 Enterprise Server, Windows 2012 R2 EE, and IIS 6.0/7.0 versions
  • Intermediate level of expertise in performing System Administration for Redhat Linux EE 6.9 including Apache Tomcat server and pivotal Tc Server.
  • Expertise in Installation, Configuration & Troubleshoot VMware ESX /4.0/4.1/5.0, VSphere 4.0/5.0, Virtual Center 4.0 Servers.
  • Extensive knowledge in advance features of ESX VMOTION, SVMOTION, HA and DRS.
  • Hands - on experience on Server Consolidation with physical to virtual (P2V) conversions with VMware Converter
  • Used tools Monit, HP SIM, Solar Winds, ZenOS for monitoring and troubleshooting server hardware.
  • Managed 900+ virtualized Wintel environment, including Linux, Citrix and VMware.
  • Knowledge on Cisco UCS 5100 chassis/B200 M2
  • Supported agile based application models on Java, Apache Tomcat and Spring boot framework

TECHNICAL SKILLS

Operating Systems: Windows 2008, 2012, 2016 R2 Server Family and Redhat Linux Enterprise System 6.7

Cloud Platform: AWS and Azure Platforms with Docker/ Kubernetes

VMware Products: VMware vSphere 6.0,5.5/5.0, ESX 4.0/5.0/5.5 Server, Virtual Center Server 4.x, VMware Player, VMware Workstation 9, VMware Converter, Site Recovery Manager (SRM).

Directory Services: Active Directory Service, DNS, DHCP, GPO, CIFS, DFS, WINS.

Hardware: HP/DELL/IBM Blade Servers, Dell Servers, HP/Compaq ProLiant Servers, SCSI/RAID Controllers and F5 BigIP Load Balancer

Antivirus Software: Norton Anti-Virus Corporate Edition, SCCM.

Security, Apps Server: IIS 7.0 /IIS 8.0, Pivotal Tc, Apache, Tomcat, SQL 2012, Oracle, Informix and Mongo DB.

Data Backup & Software: Dell SAN/NAS, IBM Tivoli Backup, Microsoft Backup.

Monit & Ticket Tools: BMC Remedy, Zabbix, Monit, Service-Now, Remedy, ZenOS, HP SIM, Monit and Splunk.

Scripting Languages: PowerShell, Bash Shell, and Python

Automation Tools: Terraform, Ansible and BMC TSSA

Programming Languages: Core Java

PROFESSIONAL EXPERIENCE

Confidential, San Antonio, TX

Senior Devops /Linux Engineer

Responsibilities:

  • Experience in integrating Jenkins with various tools like Maven (Build tool), Git (Repository), SonarQube (code verification), Nexus (Artifactory)
  • Implementing CI/CD automation for creating Jenkins pipelines and integration with testing frameworks Junit, Selenium and Cucumber.
  • Worked on deployment automation of custom micro services to pull image from the private Harbor registry and deploy to Kubernetes cluster using Ansible.
  • Experience in writing shell scripts for administration tasks on RHEL 6.7 & 7.4 systems with Apache and Tomcat applications servers.
  • Implemented AWS Cloud platform and its features which includes EC2, VPC, EBS, Cloud Watch, Autoscaling, Cloud Front, IAM, and S3.
  • Building/Maintaining Docker container clusters managed by Kubernetes with Helm deployment on RHEL 6.7 environment.
  • Identify, troubleshoot and resolve issues related to build and deploy process using BMC TSSA automation tool.
  • Proficient knowledge with Helm charts to manage and release of helm packages
  • Experience in Linux Administration Installation, Configuration, Tuning and Upgrades of Linux (RedHat and Informix).
  • Hand-on experience on Ansible and Ansible Tower as configuration management tool, to automate repetitive tasks and critical deploy application packages
  • Perfmon and OS level troubleshooting experience in Windows 2012/2016 Clusters.

Environment: TSSA BMC, VMware Cloud View, Red Hat Enterprise Linux 6 & 7, OpenShift, Ansible, Kubernetes, Jenkins, SonarQube, Maven, Zabbix, AppDynamics, Helm, Openshift, GIT, Python, Informix

Confidential, Fort Worth, TX

Senior Consultant

Responsibilities:

  • Experienced in creating, configuring and maintaining Application code on Pivotal Cloud services
  • Experience working with version control systems like Subversion, GIT and used Source code management tools GitHub, Tortoise, Bitbucket including command line applications.
  • Implemented a CI/CD pipeline involving BitBucket, Jenkins, Chef, Docker, and Selenium for complete automation from commit to deployment.
  • Work together with development teams to improve the overall development productivity
  • Worked on POC project with teams involved in AWS Terraform templates to create EC2 instances, networking, security groups, autoscaling groups, ECS, S3, Route 53 resources and EKS cluster
  • Proficient in Cloud based software development/management tools (Redhat, Ansible, Jenkins, Shell, AWS)
  • Experience in creating pipeline for code deployment in Pivotal cloud services with test automation integration script
  • Experience in troubleshooting issued related to IBM BMC RLM deployment code on Pivotal cloud environment
  • Developing templates or scripts to automate everyday developer or operations functions
  • Experience in supporting applications based on Spring boot 2.0.5 Java based framework on PCF environment
  • Managing Bitbucket code repositories and maintain branch permissions and supporting production code release deployments

Environment: Control-M, PCF, Jenkins, SonarQube, Maven, Splunk, AppDynamics, Hadoop Cluster, Hive, Jfrog Artifactory, Confluence, Bit Bucket, GIT, JIRA, Spring boot, Apache/Tomcat

Confidential, Fort Worth, TX

Senior System Administrator

Responsibilities:

  • Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, Git, Docker, on Premises.
  • Design EC2 instance architecture to meet HA application architecture and security parameters.
  • Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS
  • Worked with team in Test/LAB environment on Ansible, and Chef for Deployment on Multiple platforms.
  • Worked with Splunk team to Configure SPLUNK Alerts and created scripts in PowerShell 5.0 to generate logs
  • Utilize Git and github for version control and familiar with CI tools like Jenkins
  • Design AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
  • Worked on DR Strategy by Failover to US-WEST from US-EAST and falling back to US-East Confidential Datacenter.
  • Trouble-shoot Continuous integration and automated deployment and management using Jenkins, Chef, Docker and Maven
  • Utilize Cloud Watch to monitor resources such as EC2, CPU memory, Amazon RDS DB services, Dynamo DB tables, EBS volumes; to set alarms for notification or automated actions; and to monitor logs for a better understanding and operation of the system.
  • Created and wrote shell scripts (ksh, and PowerShell) and Python for setting up baselines, branching, merging, and automation processes across the environments using SCM tools like GIT on Linux
  • Worked with web deployment technology specifically Linux/Nginx/Apache/Tomcat/Java
  • Worked with apache ignite database deployment on Kubernetes cluster

Environment: Dell R530, 630 and 730 series, Dell storage svc2000 and MDx3000 series models, HP ProLiant BL460c Gen8 Server Blade and Flex Fabric 10 GB/24-Port and Virtual Connect Flex Fabric-20/40

Confidential, Fort Worth, TX

VMware Administrator

Responsibilities:

  • Managing vBlock 300 and 500 series with Win2012 VM’s build and manage ESX hosts
  • Creating Templates from VM’s, deploy VM’s from templates and allocate resources
  • Monitoring of Virtual Machine’s & ESX servers (CPU, Memory, Disk and Network Utilization) for Security
  • Converting P2V and V2V using VMware Standalone Converter
  • Migration of Virtual Machines using V-Motion
  • Creation of Virtual Switches, Ports and Port groups and setting up Layer 2 Security Policies for Virtual Networks
  • Performance tuning of VMware servers, Virtual sessions and management of server resources between Virtual Machines.
  • Setting up and monitoring performance monitoring and capacity planning
  • Trouble shooting issues related to ESX host,Vc,VCB,HA,DRS,Vpxa,vmware update manager
  • Patch management using VMware update manager for ESX serve
  • Providing and maintaining user access in VC, configuring mail alert for any failure in HA,DRS,CPU or memory

Environment: vblock 300, 540 and 720 series model, IBM xSeries x3850, X5 Servers, VMware ESX 5.0 & 5.5 Servers

Confidential, Fort Worth, TX

Vmware/ Wintel Administrator - L3

Responsibilities:

  • Managing vblock 300 and 700 series with Win2012 VM’s build and manage ESX hosts
  • Handling Win2012 vblock OS deployment issues and supporting vblock environment
  • Handling Server build Win2012 R2, Managing Virtual machines, allocating resources and troubleshooting vCenter issues and Windows OS issues
  • Handling Mega Raid Manager IBM RAID controller issues and 3rd party vendor coordination.
  • Deploying scripts for server inventory maintenance, scheduling task related to server patching
  • Monitoring server performance and collecting server memory dump including vCenter performing logs for analysis
  • Troubleshooting IBM/HP hardware issues relating to PSU, ILO network cards, and RAID Accelerator battery
  • Remote support includes resetting ILO network port, IBM-X series BIOS firmware upgrade, RAID Array controller firmware upgrade and HDD expansion kit upgrades.
  • Handling Change request related to server implementation, configuration changes and OS upgrades

Confidential, Atlanta, GA

Senior Administrator

Responsibilities:

  • Deployed and maintain virtual environment with VSphere 5.0 and Esxi 5.0 with 300 virtual servers and 30 SQL physical servers.
  • Creating resource pools and adding the VM's into the pools.
  • Deploying Win 2008 R2 and SQL Server 2012 VM's from templates.
  • Handled HA, DRS and SDRS issues in vCenter 5.0 virtualized environment provisioned across datacenters
  • Hands on experience on Win 2008 R2 Active Directory Forest across multiple sites.
  • Handles Installation and Configuration of SQL Server 2012 Cluster for development environment
  • Coordinating with the storage team to manage capacity and resolving complex issues pertaining to high IOPS and latency
  • Updating and upgrading ESX servers using vCenter update manager.
  • Deployed Power shell 3.0 script automation for Windows 2008 R2 OS installation & customization

Confidential

Senior Windows Administrator

Responsibilities:

  • Creating and managing virtual machines on VSphere vCenter 5.0 environments
  • Monitoring of VM’s & ESX servers (CPU, Memory, Disk, Network Utilization) for Security Compliance
  • Troubleshooting of VSphere 4.0/5.0 Virtual switches configurations and network connections
  • Knowledge on Cisco UCS chassis and blade models B200/B230
  • Managed Windows 2008 R2 Hyper-V Virtualized server environments
  • Built Windows 2003/2008 Servers on standalone and HP blade servers based on application design.
  • Involved in deployment project for installing VMware ESX server 5.0 in a total of 300 ESX’s, 3200+ servers & six VC’s. Created virtual machines on ESX Servers. Created standard images and deployed servers from the images.
  • Configured VMware on clustered environment, Implemented VMotion, Virtualized Windows servers using VMware Converter P2V and setup Lab Manager.

Environment: Windows 2012/2008, Windows 7, Microsoft DFS, Active Directory, DNS, WINS, DHCP, TCP/IP, NTFS,, IBM xSeries, HP ProLiant G3, G5 Blade Servers, VMware ESX 4.0 & 5.0 Servers.

Confidential

Windows Administrator

Responsibilities:

  • Install and configure vCenter 5.0 with SQL Database.
  • Installation and Administration of Fail over cluster in Windows 2003/2008 environment.
  • Deploy multiple VMs from template using Power CLI.
  • Installation and support of VMWARE ESX 5.0 servers which hosts the virtual servers for the test/dev/staging/production environment.
  • Creating clusters, Resource pools and adding VM’s to them and installing VM Tools.
  • Exporting diagnostic data from ESXi & Virtual center for advanced troubleshooting.
  • Virtualized Windows servers 2000,2003 & 2008 using VMware Converter 5.0 and 4.1.
  • Installed and configured Windows Server 2008 and 2008 R2 on IBM Blade Center Servers and on HP Proliant DL 380 G4Servers using HP Smart Start and HD array configuration with RAID 5.
  • Build Physical servers using Windows 2003/2008 ISO image on HP blades BL685 and BL465.
  • Handling Service Now ticket Management based on the weekly reports and exporting detailed analyzed data
  • Assisted BigIp F5 balancer configuration changes on hosted websites under Web farm

Environment: Windows 2008/2003/2000 , Active Directory, DNS, WINS, DHCP, TCP/IP, NTFS, Dell Power Edge, IBM xSeries, HP ProLiant Servers, F5 BigIp, VMware ESX 3.5, 4.0&5.0 Servers.

Confidential

Network Engineer

Responsibilities:

  • Migrated Windows Server from Windows 2003 SP2 server to Win 2008 Server environment.
  • Implemented and managed IP Addressing; configured TCP/IP addressing on a Windows 2008 R2 server.
  • Created the Forest Root domain, and a Child domain in a production environment under Win 2008 R2.
  • Installed and configured an Active Directory Domain Controller.
  • Established external trusts and cross-forest trusts.
  • Managed an Active Directory site; replication schedules, site links and boundaries, used ADUC to create and manage computer, user and group accounts in an Active Directory environment.
  • Used Repadmin, DcDiag, NetDiag techniques for troubleshooting. Weekly server maintenance, planning and coordination
  • Worked on all kinds of Severity incidents, contacted the customer on Severity 1 and 2 incidents, updated them regularly about the action taken and root cause.
  • Publishing Applications and Server Desktop using Citrix Delivery Console
  • Configuring Citrix Printer policies and Managed Citrix Printer 32-bit and 64-bit drivers
  • Expertise in SCCM 2007 Administration, deployment, packaging, network inventory, installer and network designing.

Environment: Windows 2008/2003/2000 , Active Directory, DNS, WINS, DHCP, TCP/IP, NTFS, IBM xSeries, HP ProLiant G3, G5 Blade Servers, IIS Servers, Citrix Xen Servers, VMware ESX 4. & 5.0 Servers.

Confidential

System Engineer

Responsibilities:

  • Installing and Configuring Microsoft Windows 2000 and 2003 Servers.
  • Responsible for troubleshooting centralized and distributed Windows 2000 (Professional & Server) / NT (Server & workstation) / XP Professional, 2003 Small Business Server system & Exchange Server for providing system administration.
  • Local PC problems and support on classified and unclassified networks; and for providing technical expertise to organizations in the area of system upgrades, process improvements, security requirements, infrastructure improvements, system administration and troubleshooting (system setup, account management, backup/restore, network printers, application installation and license management, peripheral installations, etc.)
  • System Administration, Level 3 support for all Windows 2000, Windows 2003Servers Hyper-v through ILO, and DRAC.
  • Created User Accounts, Configured User Profiles, local and Global Groups and implemented Group Policies.
  • Implementing and Managed Redhat Linux 4.0 Server
  • Configuring SAMBA file server and Squid Proxy Server for Windows-Linux integrated domains

Environment: Microsoft Internet Security and Acceleration (ISA) Server 2006, Windows 2000 Server, Windows 2003 Server, Windows 2008 Server, Windows XP.

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