SUMMARY

• Experienced AWS Cloud Engineer with varied experience in the system administration, security in the DevOps and Production server environments
• Experienced Unix/Windows System Administrator with about 12 years of work experience in Information Technology which includes focused experience in System administration & Server Builds on UNIX (Red Hat Enterprise Linux, HP - UX, IBM-AIX, Solaris), Windows Servers.
• Experienced Telecommunications engineer with experience in Confidential Products like Modular Messaging, Aura Messaging, Voice Portal, Interactive Voice Response servers and Communication Manager Servers.
• Avid team-player and always been part of a global teams throughout my career.
• Amazon Web Services (AWS)
• Worked on Amazon Management Console, EC2, RDS, Cloud Watch, Security Groups, Cloud Formation Templates, VPC Peering.
• Worked on Security related aspects of the application & infrastructure environments. Planning & execution of the issues towards resolution.
• SSL certificate procurement from Venafi & deploying the same onto AWS instances & Load Balancers. Monitored the server & LB certificates expiry dates and maintained a deployment plan.
• Monitored the Trusted Advisory reports created by AWS. Worked on resolution of the alerts showing up in the report.
• Worked on the WAF layer (Incapsula) protection for websites as part of the security enhancement
• Maintenance activities for AWS instances and load-balancers during releases and upgrades
• RedHat Enterprise Linux 4/5/6
• Installation of OS (manual & kick-start)
• User & Group Administration, RPM Administration
• Performance monitoring via various tools like VMSTAT, IOSTAT, TOP, DMIDECODE, SAR & HWCONF.
• Server OS hardening according to security standards as per company standards.
• Worked on IPTABLES, autofs, DHCP, Apache, NIS, DNS, Sendmail, Squid, NFS, SSH, FTP, Cronjobs,net-dump server-client, NIC Bonding. Configuration of various services for LINUX 4.x/5.x/6.X when required.
• OS boot related troubleshooting.
• Patch deployment activities using RedHat Network (RHN).
• Installation and configuration of SAMBA, SQUID, APACHE and TOMCAT.
• Worked on NIS, NFS, FTP, remote access, security management and possess system troubleshooting skills.
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Managing Disks in LINUX using LVM (Logical Volume Manager).
• Security - Configuring SELinux security services.
• Worked on server's security compliances and hardening.
• Worked on RAID Group creations, Array management and configurations, Disk management and replacements, hotspares and LUN assignments.
• Familiar with Apache Hadoop filesystems and Big data management.
• Worked progressively on DNS servers, adding the DNS entries to the zone files and scheduling the CROND JOBS for reloads during the maintenance period, and flushing the DNS caching servers on the opsware.
• Installation and upgrade of Linux kernel
• Remote server installation using kickstart.
• Worked extensively on different Linux flavours like SUSE, CentOS, UBUNTU,PEPPERMINT
• Worked extensively on Amazon Web Services(AWS) servers. Performed the maintenance & administration of servers and load-balancers
• Worked on daily server administration activities like log-rotation,cache clearing and also monitoring daily server status using tools like keynote,splunk,AWS.
• Worked extensively on Windows Server 2003/2008 r2 installation & configuration.
• Worked on configuration, setup and troubleshooting of Microsoft Exchange 2003/2007
• Installation, configuration and setup of SUSE Linux Enterprise Server.
• Worked on Active Directory.
• HP-UX, IBM-AIX, Solaris
• Basic Troubleshooting of HPUX, IBM-AIX, Solaris
• Installations of HPUX 11.11, HPUX 11.0
• software installations using SAM
• Installations of AIX5.1, AIX5.2, AIX5.3
• Software installations using SMITTY
• Installations of Solaris 8 and Solaris10
• Network setup of Solaris machines
• Monitoring Tools - NAGIOS installation & administration
• Worked with Oracle DB team during migrations in MySQL.
• Scripting - Proficient in shell & Perl scripting in Unix systems to automate daily tasks
• Installation and setup of VMware on cloud computing as PaaS.
• Virtualizations -Installation, configuration and administration of VMware, Xen and VirtualBox.
• Good experience on server management which includes server physical problems like AIR-FAN replacement, DIMM's upgrades and Failures, Mother board replacement, and managing the RAID Disks-SAS, SCSI and Fiber channels.
• SAP BASIS - Attended SAP BASIS and SAP Security trainings. Proficient with installation and administration of SAP onto Windows and Linux machines.
• Setup and configuration of YUM
• Attended online trainings on chef,puppet and hadoop
• Familiar with MySQL administration
• Patching and upgradation of UNIX & windows servers.
• Creating test environments for the admin team on CentOS Linux.
• Windows server 2003/2008 installation & administration.
• Ticket Management Systems - Worked on BMC Remedy 7.1, Siebel Customer Relationship Management Applications v8.0.
• Worked on Session Initiation Protocol (SIP).
• Familiar with VOIP functionality.
• Confidential products
• Modular Messaging MM (3.1,4,4.1,5.2) & Aura Messaging servers
• Installation, configuration and administration of the MM OS onto the Message Application Server (MAS) and Message Storage Server (MSS) or Microsoft Exchange.
• FEDB sync of MAS and Lindex rebuild of MSS, Backup & Restore of MM servers, RAID rebuild of MAS, Clearing of Alarms in MAS, Password recovery of MSS, RAID setup of MAS.
• Troubleshooting of issues relating to MSS as it is installed on custom Linux OS.
• Voice Portal (VP), Interactive Voice Response (IVR), Communication Manager (CM) servers.
• Installation and configuration of the MPPs and VPMS in VP.
• Troubleshooting of issues raised by customers in these servers.

PROFESSIONAL EXPERIENCE

Confidential, Bellevue, WA

Cloud Support Engineer(DevOps)

Responsibilities -

• I am part of the Cloud Operations production team and also the DevOps team in Confidential . We were the owners of the production servers of the complete Confidential USA sites. While in the DevOps team, I was also responsible for the security aspects of the website and SSL certificates. I was part of the team that did the the maintenance and support of the non-production servers too.
• Maintenance activities for AWS instances and load-balancers during releases and upgrades. Amazon Management Console, EC2, RDS, Cloud Watch, Security Groups, Cloud Formation Templates, Force MFA.
• Tier 4 escalation point for Operations and Business teams, providing outstanding customer service and supporting operations teams on Problems and Incident resolution.
• Worked in depth with the security team to enable the security features of the production, development and QAT servers.
• Worked on daily server administration activities like log-rotation, cache clearing and also monitoring daily server status using tools like keynote, splunk, AWS.
• Implementing shell scripting to automate the manual tasks of the team.
• Reviewing documentations for technologies like puppet and have begun working on the same.
• Administrator of Windows Primary & Secondary Active Directories. Providing access to users.
• Primary point of contact in the team for all SSL certificate deployment activities. Worked extensively on the Apache Web server configuration. Created the documentation (SOP) and process for SSL certificate deployment across LB and instances in Confidential . Sending weekly reports of server SSL certificate health status & expiry dates.
• Worked on the WAF layer (Incapsula) protection for websites as part of the security enhancement
• Monitored the Trusted Advisory reports created by AWS. Worked on resolution of the alerts showing up in the report.
• Primary point of contact for patch deployment activities across the production servers via the RedHat Network (RHN).
• Worked closely with the different deployment teams and verified that all the changes made to the production servers were tested in lower environments.
• Worked on a 24/7 environment to monitor the server’s health and administration in co-ordination with offshore teams.
• Co-ordinating with technology teams during release activities/changes that were to be made to the company’s website.
• Worked on OneConsole and Atlassian tools like Jira, Confluence

Confidential, Denver, CO

Senior Software Engineer

Responsibilities -

• Worked for the Emergency Recovery (ER) team which is a global team reporting supporting Confidential customers globally. The customers open high severity tickets with us when their servers have crashed and when the recovery time allocated is very less and is high priority. I work on the Siebel ticketing tool. Our team operate 24/7 and cater to the global customers.
• Subject Matter Expert SME for Linux and Modular Messaging servers in the team.
• Installation, configuration and troubleshooting of Linux related issues on MSS.
• Run file system checks on systems, Linux security and hardening of servers.
• Log rotation and periodic maintenances on CPU, HardDisk and RAM.
• Worked on RAID rebuilds before OS installations
• Worked on MAS’s FEDB sync, LINDEX, MSS’s Password recovery, Alarms etc.
• Global support for Modular Messaging MM server which was a dual server comprised of Windows and Linux Operating systems (Message Application Servers MAS and the Message Storage Servers MSS respectively).
• Installation, configuration and administration of VMware VCenter Server ESXi and VMware vSphere Client
• Worked on PowerCLI to automate VSphere.
• Work on the installation, configuration and administration of Confidential servers like Modular Messaging, Aura Messaging, Voice Portal, Communication Manager and Interactive Voice Response servers.
• I work with the development team to help in retrieving the customer systems that are totally down.

Confidential

Senior Linux Systems Administrator

Responsibilities

• Worked as a Linux systems administrator in the technical team (Core Services Dept) of the Billing Operations division reporting to the US and India managers. Responsibilities included Leading/managing India team.
• Was also part of the technical department of the Advertising Systems Operations team interacting with internal customers.
• Working on Host build outs. Doing the entire transition of the OS and the applications from one host onto another.
• Worked on webserver & production servers security compliances and hardening.
• Worked alongside the Oracle DB team during migrations.
• Was part of the team that did the transition of many Linux hosts over to the black network.
• Supported AOL’s 24x7 billing production environment (Legacy, OBI, BRR) and resolve production incidents with minimal disruption. The common issues that occurred were when the host’s disk used to get utilized and needed free space or if an application had crashed in the system
• Was the part of the documentation team for the team’s Netcool Alarming (via Logcheck).
• Worked on Shell and Perl scripting to automate some of the processes for the team.
• Worked on Veritas volume manager, Veritas clustering and Veritas file system.
• Assisted the DB team in running MySQL commands during migrations and rosters updation.
• Was the POC for the system administrator during the release of the different versions of OBI, tax releases, pricing etc. which occurred periodically. I used to administer the apache and tomcat processes during this task and work with the Database team at the time.
• Research and resolve (Remedy) customer issues with business contacts and customer support representatives.
• Work closely with Developers and QA from design phases to production installations.
• Perform production environment installs and upgrades.
• Conducted the PowerPath 5 upgrade training for the team

Confidential

UNIX and WINDOWS Systems Administrator

Responsibilities

• Reviving the UNIX servers and Windows desktops once it has hanged or crashed.
• Troubleshooting of Linux machines
• Installations of OSes.
• Reviving of the Linux systems using rescue once system has crashed.
• Installation of packages, softwares and services
• Configuration of servers like Apache, Squid, Samba, Mail server
• DHCP and Static IP configuration
• Troubleshooting of HPUX, IBM-AIX, Solaris
• OS Installations of HPUX 11.11, HPUX 11.0, Solaris and SUSE Linux servers.
• Software installations using SAM
• Installations of AIX5.1, AIX5.2, AIX5.3
• d)software installations using SMITTY
• Installations of Solaris 8 and Solaris10
• Network setup of Solaris machines
• Windows desktop support
• Worked on Windows XP,2000professional,2003server
• Setup and installation of the desktops and running the ghost OS.

Confidential

System Administrator

Responsibilities:

• Installations and setup of the desktops and laptops in head office with Windows XP.
• Installations and setup of the custom applications on the Linux based machines in the cafés.
• Conducted trainings for managers of café’s on the usage of Linux machines.

Confidential

Technical assistant & Senior Customer support agent

• Handled the networking and technical issues of the systems in the department.
• Was handling the travel and accommodation needs of the Siemens employees working in USA.

Confidential

Customer Support Agent

• Worked on US domestic flight reservations for Delta airlines, ticketing and with all the latest promotional offers of delta airlines. Catering to the programs dealing with the frequent fliers of delta.
• Worked on DL TERM. Also has been trained in CMS (Customer Management Support) software to make reservations.