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Senior Linux/middleware Administrator Resume

Washington, DC


Cloud Services: Amazon Web Services (AWS)

Virtualization: VMware ESX/ESXI, vSphere 5.x, Virtual Box, Citrix Xen

Operating Systems: RedHat Linux 4/5/6/7, CentOS, Fedora, Ubuntu, Windows servers 2003, 2008, 2008 R2, 2012, 2012R2, Windows XP/Vista/7/8/10

Automation Tools: Puppet, Jenkins, Bamboo, Jira, Fabric, Fisheye, SonarQube, Maven, Confluence

Web/App Servers: Tomcat, WebSphere, JBOSS, Nginx

Database Tech: Oracle, SQL Server, MySQL, RDS, NoSQL - MongoDB, PostgreSQL

Scripting: Bash, Python, PowerShell, YAML, JSON, XML, HTML


Version Control: GIT, SVN


Confidential, Washington, DC

Senior Linux/Middleware Administrator


  • Provided application support for Apache Tomcat, Nginx, WebSphere, JBOSS.
  • Troubleshoot/Analyze system, network and application performance and ensure the performance objective and availability of the requirements are beyond expectation.
  • Administered Puppet to automate tasks and enforce configuration and security. Designed Puppet Modules to manage configurations and automate installation processes.
  • Worked with Git and SVN version control tools.
  • Wrote automation scripts in Bash and Python
  • Administered Atlassian Products; upgraded Jira, Confluence, Bamboo, Fisheye with its PostgreSQL database, created and imported repos for code quality check. Troubleshoot Bamboo deployments and compatibility issues to support developers.
  • Administered BigIP/F5; created/maintained high availability (HA), create/update/troubleshoot VIPs, DGLs, pools, health checks, redirects, maintenance pages, sub domains, modifying irules.
  • Administered XML Gateway; created/updated and configured end-to-end policies including xml, wsdl, REST, policies, troubleshoot internal and external communication and route issues.
  • Worked with VMware and AWS virtualization platforms. Managed Services like EC2, S3, EBS, ELB
  • Implemented Rapid VM deployment preparing templates, cloning and exporting VM to OVF format. Worked extensively on Templates/Clones/Snapshots & Resource pools.
  • Worked in code build/deployment process using Atlassian tools including Bamboo, Jenkins, Maven, Fabric, GitLab, GitHub, Jira, SonarQube, and scripts enabling continuous build/deployment in lower environments.
  • Configured, Managed Monitoring Tools such as Newrelic, Splunk, Nagios for Resource Monitoring/Network Monitoring/Log Trace Monitoring.
  • Built configured Redhat Satellite server and automated OS Patching using puppet.
  • Perform troubleshooting, diagnose and isolate common system problems: document system events to ensure continuous functioning through Remedy ticketing systems.
  • Managed and administered SSL certs
  • Implemented Disaster Recovery scenarios between multiple data centers
  • Administered complex CoreMedia Content Management System
  • Managed and lead projects through strict Change Management System.
  • Prepared build and run documents and processes
  • Participated 24*7 on call support rotation and occasional off hour maintenance
  • Mentored co-workers on specific tools and procedures

Linux/Middleware Administrator



  • Responsible for maintaining and providing Tier 2 support for Confidential web infrastructure, including but not limited to platforms, COTS applications, middleware, and appliances used by a large number of web developers to support 200+ applications.
  • Supported tasks that include administering Linux, F5/BigIP, Apache, WebSphere, PHP,
  • Provided 24x7 Production support as well as day to day administration of monitoring tools that gauge operating systems, network, Oracle databases, IP load balancing (BigIP), web application servers (Java WebSphere, PHP and Cold Fusion) and system performance.
  • Worked closely with other systems administrators, developers and database administrators to maintain systems availability and to directly support application development and QA test teams.
  • Installed, configured, managed upgraded enterprise-wide RHEL 5-6-7 servers and patched via Kickstart, Puppet and Yum
  • Administered Websense Web security Proxy and Cisco UCS Umbrella web filtering
  • Administered RSA SecurID, multi factor authentication
  • Created batch jobs for various automation tasks
  • Administered shared resources and access permissions
  • Built and configured physical and virtual high available servers using VMWare and F5
  • Prepared build and run documents and processes
  • Participated 24*7 on call support rotation and occasional off hour maintenance

Windows System Administrator



  • Configured and managed enterprise-wide server and desktop operating systems and third-party software application upgrades and patching via WSUS and LEMSS
  • Installed, configured, upgraded, maintained and monitored enterprise-wide Symantec End Point Protection Server and Clients
  • Administered Active Directory
  • Managed and customized servers and workstations via security Group Policies to enhance enterprise-wide IT security
  • Automated AD user account creation, deletion and auditing processes and checks via PowerShell
  • Administered shared resources and access permissions
  • Built and configured physical and virtual high available servers using VMWare
  • Administered, configured, maintained and managed Unix based RSA SecurID appliance
  • Used various system tools to diagnose and analyze system performance and issues
  • Administered DNS, DHCP
  • Prepared build and run documents and processes
  • Mentored co-workers on specific tools and procedures
  • Participated 24*7 on call support rotation and occasional off hour maintenance

System Support Specialist



  • Fixed various desktop issues reported by users
  • Diagnosed, installed configured, integrated and maintained computer hardware, software and peripherals both on site and remotely using SMS and windows RDC
  • Documented solutions to various HEAT tickets in sufficient detail to share knowledge within the team
  • Imaged new employee desktops and installed requested software
  • Resolved various malware and PC performance issues
  • Prepared secure, encrypted laptops and created user accounts for staff using McAfee SafeBoot Management Console
  • Documented process diagrams including desktop infection management and new software request
  • Worked with HEAT ticketing system to resolve user issues in a timely manner

Confidential, Annandale, VA

IT Technician


  • Installed, configured and upgraded PCs, laptops and related equipment
  • Diagnosed and troubleshoot both common and unusual hardware and software problems
  • Performed preventive maintenance on the organization’s PC equipment, installed required software patches and ensured the connectivity of PCs and laptops
  • Assisted students by providing hardware and software support in a laboratory setting

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