VINOD

PH.NO:- 440-***-****

EMAIL ID: ac4na2@r.postjobfree.com

SUMMARY

8+ years of Strong Experience on LINUX/UNIX Administration, Shell Scripting with expertise in Red-hat Linux 4, 5, 6 and 7, Solaris 8, 9, 10/11, HP-UX 11.i, Windows, Web Logic 10.x, Web Sphere, JAVA, J2EE Applications and SQL.

Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on Red Hat Linux Systems.

Installing, upgrading, and configuring RHEL 3, 4, 5, 6 and 7 using Kickstart.

Strong experience in Linux / UNIX administration and Enterprise Server Integration.

Experience with open LDAP, Configured LDAP Server and LDAP Client on Linux.

Experience in installation, configuration and management of network related services like DNS, Apache, LDAP, SAMBA, HTTPD, DHCP, NFS, SMTP and troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.

Installation and configuration of web hosting administration such as FTP, SSH, RSH, Telnet and HTTP.

Broad base knowledge of installing Webservers and Apache Servers.

Experience in storage technologies like NetBackup, Hitachi, EMC storage, NetApp, SAN.

Experience in Migrating physical servers to virtual servers

Strong experience in one of the Monitoring tools, particularly, DynaTrace or SPLUNK or WILY

Experience in Installation, Configuration and Troubleshooting of various web server issues including IBM HTTP Server, Apache Web Server 2.x/1.x, Tomcat 5.x/4.x/3.x.

Expertise to handle tasks in RedHat Linux includes upgrading RPMs using YUM, kernel, HBA driver, configure SAN Disks, Multipathing and LVM file system.

Moving RHAS machines from physical to virtual including VMware ESX 3.5 and vSphere 4.0

Installing and upgrading VMware tools on client machines and Oracle VMs

Worked with OVF "Open Virtual Machine Format" supported tools Oracle VirtualBox, Redhat Virtualization (XEN), and VMware Workstation.

Experience in working with Shared Ethernet Adapter, Link Aggregation and NPIV concepts associated with VIO server technology.

Experience in building highly scalable distributed applications using Java, Python, Apache Solar and AWS.

Good experience in Amazon Web Services cloud(EC2,ELB,S3,EBS,VPC,RDS,CloudFront, Elasticcache(Redis), SES, etc

Good scripting knowledge to automate the processes by using bash, awk, pythonto automate daily tasks.

Knowledge on build technologies like Puppet, Jenkins which are automation tools

24x7 on-call production support and troubleshooting problems related to RHEL 7/6/5/3, issues arising in production for mission critical and enterprise level applications.

Experience in monitoring the availability & performance of LINUX servers.

Running security scans and remediating Servers to meet enterprise standards.

Expertise in implementation and designing of disaster backup and recovery plan.

Very good understanding in the concepts and implementation of high availability, fault tolerance, failover, replication, backup, recovery and Software Development Life Cycle(SDLC) methods.

Troubleshooting performance issues, network related issues and OS based networking on Linux / Unix Servers and with vendors for hardware related issues.

Troubleshooting and configuring VLAN and VOIP services through CLI.

TECHNICAL SKILLS

Operating System

Redhat Linux (AS/ES 5/6/7), CentOS, Solaris 10/9/8, Debian, VMware ESX 2.x,3x ESXI 4.x,5x Windows 2003/2008/2012 etc.

Scripting Tools

HTML, Shell, Bash, Python

Scheduling Tools

AutoSys, Crontab

Web Servers

Apache, Tomcat, JBoss, Web logic & Web Sphere

Storage& File systems

LVM, iSCSI, Targetcli, RAID and Ext 2,3,4, XFS, NTFS

Security

SSH, SSL, Sudo

Networking and Protocols

TCP/IP, Telnet, VPN's, DHCP, NFS, HTTP, SNMP, LDAP, SMTP, ICMP, FTP

Email & DNS Servers

Postfix, Sendmail and BIND, Microsoft DNS.

Database

Oracle, MySQL

Monitoring

CA Tools, Splunk, Nagios, HP Performance Manager, System inbuilt utilities

Cloud Technologies

Amazon's AWS, Openstack, Nova, Keystone

Virtualization tools

VMware ESXi, MS Hyper V, KVM, Docker Containers

PROFESSIONAL EXPERIENCE:

SWIFT Inc., Culpeper, VA Sep2017 –Till date

Linux Engineer - Security Specialist

The Society for Worldwide Interbank Financial Telecommunication (SWIFT) provides a network that enables financial institutions worldwide to send and receive information about financial transactions in a secure, standardized and reliable environment. SWIFT also sells software and services to financial institutions, much of it for use on the SWIFTNet Network, and ISO 9362. Business Identifier Codes (BICs, previously Bank Identifier Codes) are popularly known as "SWIFT codes".

Responsibilities:

Installation and configuration of Red Hat Enterprise Linux and Windows Virtual machines using PXE Boot, for the disaster recovery project.

Installed (GUI, Silent, Console mode), configured and administered WebLogic Server 8.1/9.x/10.x in RedHat Linux and Sun Solaris environments

Installed and configured Splunk for Nagios log monitoring.

Installing Redhat Linux using Kickstart and applying security policies for hardening the server based on the company's policies.

Actively involved in installation and configuration of puppet, chef, splunk, bash, SMTP, and SNMP on servers to monitor services and its hardware.

Implementing and administering cyber security tools, in a RHEL, Solaris, HP-UX, VMWARE, Windows & Network Application environment

Expert in Upgrades, installs, configuration and administration security and monitoring tools on Linux.

Installed patches and packages installation on Linux Environment.

Contribute to security procedures/controls/policies within established guidelines

Worked on installing, configuring splunk on linux, solaris servers, to enable log, port monitoring of servers, applications, escalating issues to the particular teams.

Working on deploying and configuring cyber tools such as Splunk, Syslog-NG, Firepower and tripwire

Configured Security group for EC2 Windows and Linux instances

Implementing network security, authentication, protocols and & encryption procedures.

Kernel level – process, logging, services binding with interfaces, ip tables / firewall, ACL

Designing Firewall rules for new servers to enable communication with application

Workflow and system administration task automation experience using scripting language such as UNIX shells and/or PERL.

Evaluating and applying security patches on Solaris and Linux servers

Working in production environment with enterprise class server hardware platforms; HP Proliant, IBM xSeries, CISCO UCS, and Sun Microsystems

Configuring Cloud environments. Establishing connections, Spinning up instances etc.Unix/Linux administration& Virtual Instances

Installing, configuring, and maintaining services such as Bind, Apache, MySQL, nginx, etc.

Acted as customer liaison for all server platform specific technical issues, questions related to infrastructure, and updates to this infrastructure

Complete real-time SIEM triage, event analysis, correlation, alerting, and response

Perform daily health checks in line with Standard Operating Procedures (SOPs), Policies, and Work Instructions (WIs)

Create, deploy and manage Linux and windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VM from one cluster to another cluster or within the same cluster.

Led intrusion detection, vulnerability management, and PKI and participated in auditing, incident

Environment: SUSE, Red Hat, CentOS Linux, Kickstart, LVM, Git, Nagios, Splunk, Ubuntu, WebLogic, Web Sphere, Tomcat, RPM, BASH, KSH and shell scripts.

Southwest Airlines, Dallas, Texas Apr2017 - Aug2017

Sr. Linux/Unix Engineer

Southwest Airlines Co. is a major U.S. airline, the world's largest low-cost carrier, headquartered in Dallas, Texas. Southwest has been a major inspiration to other low-cost carriers, and its business model has been repeated many times around the world. The competitive strategy combines high level of employee and aircraft productivity with low unit costs by reducing aircraft turnaround time particularly at the gate

Responsibilities:

Build servers, installed tools, configured and provisioned servers as per enterprise standards.

Daily administration of RHEL 5, 6 & 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.

Developed Shell, bash & python for automation daily tasks involved in maintenance of builds, logs & releases.

Install, configure and administration of Bea WebLogic Server 8.1/9.x in various environments

Created the user accounts and profiles, assign permissions using Active Directory.

Expertise in different versions of VMware and other private clouds.

Experience in Installation of VMware ESX server and creation of VMs and install different guest OS.

Managing Tape Management using Veritas software and contacting Hosting team on daily basis

Supported 500+ AWS cloud instances running Ubuntu, Redhat and Windows environments.

Managed SAN using SAN Manager and taking care of Thin Provisioning.

Provided rotational 2nd & 3rd level 24x7 on call support for SAN/NAS storage and tape backup environments.

Working with Logical Volume Manager and creating of volume groups/logical and performed Red Hat Linux Kernel Tuning.

Monitored nightly critical path batch jobs and the online systems.

Created disk groups, volumes, volume groups and RAIDs using Veritas Volume Manager.

Used most basic system administration tools and tasks, cleanly boot and shutdown the system, add and remove user accounts, use backup programs and maintain system database files (groups, hosts, aliases, etc.)

Managed GIT repositories for branching, merging, and tagging.

Responsible for creating puppet modules and manifest files from scratch and experience in editing existing puppet manifests and automated manual installation processes using puppet.

Involved in several production Implementations and managed deployment processes via DMS and Puppet.

Expertise in Puppet Administration tool (Ingrown tool), a tool which acts as a puppet dashboard for managing puppet profiles, modules, classes and top scope variables.

Set up secure web servers and updated SunOS and the Veritas Volume manager.

Responsible for DNS and Configured DNS Servers and Clients, troubleshooting DNS issues.

Setup Amazon AWS EC2 platform along with Amazon Virtual Private Cloud (VPC) and its components such as: internet gateway, security groups, VPC subnet, launch instance and assign elastic IP address to the instance.

Diagnosed system hardware and software problems using advanced root-cause analysis

Worked with DBAs on installation of RDBMS database, restoration and log generation.

Performed problem determination and restored service using standard procedures.

Environment: Red-Hat Enterprise Linux 5.x, 6.x, Cloud Stack, Solaris 8, SAN, NAS, NIS, EMC Shell programming, VMware ESX, JBoss, Splunk, IBM TSM Tivoli Storage Manager 5.3.4, IBM Tape Library 3584 with LTO 3580 tape drives.

Mosaic Nutrition. Hyderabad, India Jan2016 - Mar2017

Linux/Unix Administrator

The Mosaic Company is a Fortune 500 company based in Plymouth, Minnesota, a Minneapolis suburb. Mosaic mines two key crop nutrients phosphate and potash and produces specialty products MicroEssentials, K-Mag and Pegasus. It is the largest U.S. producer of potash and phosphate fertilizer.

Responsibilities:

Installation, Configuration & Upgrade of Linux (RHEL 5, 6), Solaris 8.0, 9.0.

Installation and configuration of Red Hat Enterprise Linux and Windows Virtual machines using PXE Boot, for the disaster recovery project.

Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers using VERITAS Net Backup. Maintained Security of the Solaris Servers.

Configuration of VERITAS Cluster Server, Redhat Cluster Server, Service Guard from the scratch and maintained service group/packages for failover and redundancy purpose.

Installation and configuration of RHEL servers using kickstart installation.

Configuration of Solaris IP networking and load spreading for NICs

Installation & configuration of VMware ESX 3.5 Servers, VMware Virtual Infrastructure Server, VMware License Server and VCB Setup.

Performed and maintained AIX.

Install and configured management systems, such as Puppet, Docker, Ansible, Jenkins, TeamCity and chef.

Supporting interoperability between the cloud services using OpenStack

Installing ESX operating systems on the physical servers for VMware virtualization.

Adding Data stores, creating clusters, adding ESX hosts to the clusters in a Data center in VCenter Server.

Create Guest OS RedHat Enterprise Linux and make readymade Golden Image/Template using VMware Virtual Infrastructure Client.

Setting up installable image of AIX operating system.

Migrate Guest OS and clusters from VMware ESX 3.0.0 to VMware ESX 3.5.

Setup and configured Dell MD3000 SANs to work with VMware ESX servers.

Perform security patching of Linux servers

Established network security using Linux Firewall and troubleshoot problems relating to boot loaders (GRUB, LILO).

Creating multiple ID’s to a single using NPIV and VSCSI

Installing LAMP software bundle on the Linux operating systems

Worked on Solaris 10 container technology, configured separate zones for various applications.

Installed and configured file and Application servers running on Sun servers

Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP

Configuring and troubleshooting EXT3, OCFS, NTFS file systems

Used bash, awk, and sed to automate most of the daily activities like log monitoring, log rotation and purging, proactive systems monitoring including disk error detection.

Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing

Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.

Administrated NFS, NIS, DHCP and DNS Samba services running on Sun Solaris and Redhat Linux.

Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.

Managed Users for Solaris, RHEL and Linux Servers and assigned rights to access network resources.

Environment: Linux, Windows (NT/2000 Servers), HACMP, UNIX, Solaris, Openstack, Tivoli SM, LPAR, Python, Chef, Puppet, Docker, Ansible, Jenkins, TeamCity, Nagios, NPIV, VSCSI, PHP, AWS, Zabbix, Veritas, Redhat Cluster Server (RHCS), NetBackup, Scripting (Korn).

End Play Inc. Hyderabad, India Sep2013 - Dec 2015

Linux/Unix Administrator

"End Play is a leading provider of SaaS Content Management, Engagement and Monetization solutions delivered in the cloud. Powered by its unique 'Intelligent Rendering' technology, End Play's end-to-end Platform provides a streamlined user experience that empowers clients to seamlessly produce.

Responsibilities:

Installation, Maintenance, Administration and troubleshooting of OEL, Linux, Sun Solaris, AIX, HP-UX systems.

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

As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing & configuring, job scheduling.

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

Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.

Maintaining high availability and load balancing using LAMP stack involving multiple web and data base servers

Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Server and Oracle SF RAC.

Installed the Operating System on Solaris and Linux servers and Blades over the network.

Built servers according to standards specified as per individual applications

Built virtualized Linux servers on ESX and Blade servers to host multiple applications on same chassis across different server hosts.

Configuring and troubleshooting EXT3, OCFS, NTFS file systems

Installing and configuring NPIV and VSCSI, and creating multiple id’s to a single port

Installing and configuring Zabbix, to monitor and track the status of network, services and servers

Worked on installing, configuring splunk on linux, solaris servers, to enable log, port monitoring of servers, applications, escalating issues to the particular teams.

Worked on puppet, scheduling changes, profile creation, pushing the changes across all the servers.

Installing, configuring puppet, Ansible on linux, unix clients, pushing profiles to new servers, running checks, modifying scripts, pushing changes to the clients.

Set up Linux servers for iSCSI LUN boot instead of using local hard disks

Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks

Set up Linux servers for LAMP implementations and readiness

Installing and configuring system monitoring tools Nagios and Cacti

Created File systems from local storage as well as NFS partitions for application portability

Managing and supporting the cloud services using the Openstack

Installed and verified that all AIX/Linux patches or updates are applied to the servers.

Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.

Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.

Environment: RHEL 5.x,6.x, Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485,ML Series), Solaris 8,9,10, AIX 5.3, 6.1, SAN(NetApp), Blade Logic, Openstack, Veritas Cluster, Redhat Cluster Server (RHCS), Server 5.0, Windows 2003 server, Nagios, Puppet, chef, Ansible, Jenkins, Team City, Zabbix, Docker, NPIV, VSCSI, PHP, AWS, Shell programming, JBoss 4.2, JDK 1.5,1.6,,VMware Virtual Client 3.5, VMware Infrastructure 3.5.

Verveba Telecom, Gurgaon, India Apr2012 - Aug2013

Linux/Unix Administrator

Verveba is a Telecom and IT Engineering Company, which is simplifying delivery of complex wireless networks and continuously improving the customer experience since 2004. The end-to-end network deployment model offers the customers all facets of engineering cycle including network planning, design and deployment and optimization services.

Responsibilities:

Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.

Performed WebLogic Server administration tasks such as installation, configuration, monitoring and performance tuning.

Configured Kickstart server and updating/applying patches to the servers using Redhat Satellite server.

Remote system administration using tools like SSH, Telnet, and Rlogin.

Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.

Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.

Automation of jobs through Crontab and AutoSys.

Installation of packages, patch management, volume management on Suse servers using YaST.

Applied appropriate support packages/patches to maintain system integrity.

Performed capacity analysis, monitored and controlled disk space usage on systems.

Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.

Log, port monitoring using Splunk, directing logs to a central host.

Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.

Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.

Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.

Worked with project manager and auditing teams to implement PCI compliance.

Worked on F5 load balancer to create rules for creating VIP, checking configurations.

Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.

Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.

Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.

Management and monitoring of various services using Service Management Facility and Service Administration.

Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.

Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.

Fine tuning of Servers and configuring networks for optimum performance.

Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.

Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.

Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.

Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.

As a member of the team, monitored the VERITAS Cluster Server 4.1 in SAN Environment.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, PHP, AWS, Nagios, E25K, E4500, Sun Fire V440/880, DMX 3 & DMX4, Apache, Site minder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Exilant Technologies, Hyderabad, India June2009 - Mar2012

System Administrator

Exilant Technologies is software Services Company headquartered in Bengaluru, India. Exilant offers software services in various application domains. Maintaining the user-group database and assigning corn jobs for particular set of users. Configuring the LVM’s and assigning quotas. Kickstart, hardening of the servers

Responsibilities:

Installation, Configuration, upgradation and administration of Sun Solaris, RedHat Linux.

User account management and support.

Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.

Network traffic control, IPsec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.

Responsible for configuring and managing Squid server in Linux.

Configuration and Administration of NIS environment.

Managing file systems and disk management using Solstice Disk suite.

Involved in Installing and configuring of NFS.

Worked on Solaris volume manager to create file systems as per user and database requirements.

Trouble shooting the system and end user issues.

Responsible for configuring real time backup of web servers.

Log file was managed for troubleshooting and probable errors.

Responsible for reviewing all open tickets, resolve and close any existing tickets.

Document solutions for any issues that have not been discovered previously.

Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.

EDUCATION:

Bachelors in Electrical & Electronics Engineering, JNTU, India 2007

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