SUMMARY:

• Linux, Unix and Windows System Administrator, Web Administrator.
• Ten+ years of experience in installation, configuration, maintenance and development of Linux systems. Six years of web administration, troubleshooting and testing. Thirteen years of overall IT Environment.
• Ten+ years of data center/hardware maintenance experience and Thirteen years of desktops and small infrastructure maintenance experience.
• Detail oriented organized, capable of handling small to large sized Linux, Unix and Windows projects independently.
• Working experience in private, hybrid and public cloud environment.
• Highly motivated, dependable trouble - shooter, logical and problem-solver.
• Good listener and enthusiastic learner, who quickly grasps concepts and technical skills.

TECHNICAL SKILLS:

OS: Linux Redhat/Fedora/SUSE, Windows 9x/NT/XP/Vista/7/2003/2008/, Sun Solaris 10

Virtualization: Vmware ESX 3.5 - 5.5, KVM, Xen

Cloud: Amazon Web Service (AWS), vCloud Director

Network: Nexus 1kv, Big IP (F5), Citrix Netscaler, ntop, VPN, Sonicwall NSA, AWS (ELB, Route, security groups, VPN, VPC, VPC Pairing, Direct connect)

Storage: EMC SAN (clariion cx4, ax4-5), NetApps, Openfiler, AWS (EFS, EBS, S3)

Monitoring tools: Solarwind, ICINGA, Nagios, Groundwork, Munin, ELK

Management tools: Puppet, OCS inventory management

Security: vShield, Trend Micro Deep Security, Snort, Tenable Nessus, Network Security Toolkit.

Tools:: Redhat Satellite, Spacewalk, OpenSSH, OpenSSL, Public Key Infrastructure (PKI), OpenSSH, OpenSSL, grub, kickstart, fdisk, parted, TCP/IP, standalone/xinetd daemons, gnome, vnc, cron, at, cups, quota, RAID, LVM, ACL, DNS, DHCP, Vsftpd, NFS, Samba, LDAP, Httpd(Apache), Tomcat, Squid(Proxy Server), Sendmail, Postfix, rpm, yum, up2date, syslog, rsyslog, syslog-ng, iptables(firewall), nating, tcp wrapper, sudo, Xorg, PAM, Oracle OEM, Oracle RAC, CloudFormation, LAMBDA, PBIS, ELK, EC2, CDN

Languages: Shell (bash, ksh, csh), Python

Database: Knowledge of SQL and NoSQL databases like MySQL, MS SQL, Oracle, AWS RDS, DynamoDB

PROFESSIONAL EXPERIENCE:

Confidential, Tysons Corner, VA

Principal System Engineer

• Infrastructure design and automation of Confidential applications deployment in AWS cloud for customers.
• Troubleshooting any AWS related issues.
• Installation, configuration and management of hypervisor (vSphere) and supporting tools like vCenter, vCloud Director and vShield. Installation and configuration of 1000v and management of virtual network.
• Configure and manage CISCO Blades, Fabric Interconnects and UCS Manager.
• Deploy virtual environment for customer and configure OS, application and network based on customer requirement.
• Installation and manage Solarwind, Nagios, ICINGA, Groundworks and ELK stack.
• Install and configure of automation tool like puppet and manage it through Git repo.
• Play major role to install, configure and manage all RHEL 5 and 6 machines in the environments. This also includes troubleshooting any issues related to this OS.
• Install, configure and administrator of tomcat running in customer environment and also troubleshoot issues related to tomcat and java.
• Deployed and developing bash script providing solutions to meet the Confidential requirement.
• Configure and manage internal/external DNS solution.
• Deploy, configure and manage F5 and Citrix Netscaler load balancer.
• Administrator trend micro to manage security and systems vulnerabilities.
• Maintain and administrator regular patching job in Linux machines through satellite server.
• Play major role to mitigate or find solutions for vulnerabilities in the environment.
• Create and manage internal and CA certificates, also troubleshoot related problems.
• Configure and deployed new environment to run Confidential application in Amazon Web Service.
• Customer support and troubleshoot any customer issues.

Environment: AWS, VMware, RHEL 5/6/7, Nagios, F5, Netscaler, Puppet, EMC clariion, NetApp, Httpd, Tomcat, JDK, RedHat Satellite, shell, Nessus, Nexus 1000v, CISCO UCS

Confidential, Greenbelt, MD

Linux / Unix System Administrator

• Installation, configuration, customization and maintenance of RHEL 3 - 5 OS
• Configuration, implementation of VMware ESX 4.1, Vcentre server, EMC clariion, Navisphere SAN management.
• Custom building of Apache, MySQL, JDK and Tomcat from source code, based on requirement.
• Installation, configuration and maintenance of distribution supplies application packages like samba, VSFTPD, Bind, NFS on Linux boxes.
• Installation and configuration of open source monitoring tools like groundwork (nagios), network monitoring tools like NST (snort, ntop), inventory management system like OCS Inventory NG and system health monitoring tool like munin from scratch.
• Configuring local yum repository for package installation and upgrade.
• CISCO and Adtran router/switch general configuration, installation and trouble shooting
• Assemble, configure and troubleshoot on HP and DELL rack/tower servers. Configure and troubleshoot on HP C7000 series blade system and Dell AX4-5 SAN storage.
• Coordinate and monitor troubleshooting to isolate and diagnose common system problems: document system events to ensure continuous functioning. Recommend course of action and implement as approved.
• Coordinate testing, upgrade and configuration of system files and services. Ensure changes are in accordance with appropriate operating procedures.
• Customer care service and frequent interaction with all levels of staff.

Environment: VMware, RHEL, Centos, EMC clariion, Navisphere SAN management, Apache, MySQL, Tomcat, JDK, PHP, Distribution supplies application packages

Confidential, Herndon, VA

Linux System Administrator

• Administration responsibility of all Linux servers
• New server installation and configuration, including network configuration, firewall rules, user management and permission.
• Manage environment for application installation and installation of service hub and hcm payroll and archgis applications.
• Installation of WebSphere, IBM httpd, MapInfo for service hub application.
• Manage environment for oracle database installation and installation of oracle database.
• Patching of all Red Hat servers from RHN in test, development and production environment.
• Hot and cold backup management, including configuration networker’s backup group, backup schedule and changing tapes in library.
• Installation of Altiris and Networker client software in Linux servers.
• HBA card and driver installation, HBA connection to Storage Area Networking and powerpath installation.
• Installation of VMware ESX 3 for test and production, installation of guest operating system including cloning and P2V.
• Creating vSwitch vKernel and test vmotion on ESX Server 3i.

Environment: RHEL 3/4/5, VMWare, SAN, Networker, Altiris, WebSphere, Apache, Oracle 10g, 11g, bash, ksh

Confidential

Senior Systems / Web Administrator

• Operating system installation and configuration(all methods including kickstart, nfs), disc partition set-up, patch administration, package management including kernel upgrade.
• Disk partitions, virtual memory and swap configuration
• Creating RAID arrays and logical volumes and managing lvm including extend, reduce and remove.
• Account, user/group administration, folder management and permissions, quota implementation.
• Managing all foreground and background process, stand-alone and xinetd services.
• System performance monitoring, tuning and log management including configuring centralized log system.
• Network configuration and management and software routing configuration.
• File system backup and restore
• Installation, configuration, support and security implementation on following services - DNS, DHCP, Vsftpd, NFS, SAMBA, NIS,HTTPD, SQUID, Postfix
• Authentication using pams.
• Shell scripting and task automation using at and crone.
• Network security, using iptables, tcp wrappers etc.
• Remote connection management using telnet and ssh connections
• Installation, configuration and tuning of MySQL .
• Daily web content design, development and maintenance.
• Monitoring site response
• Hardware, software trouble shooting and maintenance including grub configuration and rescue disk.

Environment: PHP, MySQL, Linux, Apache, HTML, phpmyadmin, Access 2000

Confidential

System Analyst and Graphics Designer

• Performed user requirement analysis and system requirement analysis
• Created various designs using variety of graphics design tools
• Led a team of graphics designers and a programmer

Environment: Adobe Photoshop, Page Maker, Macromedia Flash & Dreamweaver