RAJ SANGVIKAR LINUX/UNIX Administrator

Fifteen years of US work experience as a Linux/UNIX Administrator/Engineer, Architect supporting 24x7 Service level requirements.

Sr. Linux Administrator an experienced IT professional responsible for system deployment, configuration management, documentation, patch management, high availability, disaster recovery, hardware/software redundancy, and security configuration.

Linux Operating System working experience on flavors like RHEL 8/7/6/5, Ubuntu 14.0, 16.0, SUSE Enterprise Linux.

Sun Solaris and RHEL installation, migration and upgrade experience on UNIX flavored servers/desktop.

Expertise in configuring Kickstart and Jumpstart Installation Methods.

Installation (Jumpstart) and Administration of Solaris 9, 10 Operating System on SPARC and X86 architecture.

Production deployment experience with TCP, NTP, SNMP, SMTP, ARP, HTTP, BIND, SSH, SSL using Red Hat Enterprise.

VM template deployment via Ansible Tower.

Installation and Administration of WebLogic and deployment of .war and .ear files.

VERITAS Volume Manager/VERITAS Clustering Software.

Linux Cluster on CentOS and Red Hat Enterprise Linux.

Experience with SAN and UNIX virtualization Solaris 10 (ZONES).

Advanced Power Virtualization, Creating and administering LPAR/DLPAR/VIO servers.

Managed SAN devices including Clariion, Symmetrix, and VMAX.

Managing Processes, troubleshooting, configuring network services, Architect, Build and Support Solaris/Red Hat Linux Enterprise Servers running on Intel hardware.

Good understanding of TCP/IP protocols and services like DNS, HTTP, LDAP, Ipfilters SAMBA etc.

Linux/Solaris Virtual Machine installation experience on VMware workstation.

Working experience on RAID, LVM, Sendmail, SMTP, POP, TCP WRAPPER.

Monitoring tools experience on Nagios, Sitescope, and BMC Monitoring.

Experience of change Control and Root cause Analysis (RCA).

Using HP insight Manager on SNMP protocol.

Experience with Shell scripting (BASH) and Python.

Red Hat Package Manager/Yum experience on Red Hat Linux ES/AS.

SSL Configuration for Apache Web Server and various customer-facing applications.

Implementation of SSH protocol on Solaris/Linux and OpenSSH.

Configuration Management tools – Ansible, Puppet, Salt with DevOps methodology.

K8s for managing containerized workloads and services,

Experience in IBM Tivoli storage Managers functions of backup, mksysb, BMC patrol and recovery Management and experience.

Open-Source Linux Kernel customization experience & strong understanding of File system on UNIX/Solaris/Linux OS.

ESX 4.0/5.0 server implementation & configuring and creating the images to automate the installation.

EDUCATION/TRAINING/CERTIFICATION

Education:

Masters in Management Sciences (Specialization in System’s (Information Technology) Management), Pune University, India, 2001

Certifications/Training:

RHCSA (RedHat)

RHCE (RedHat)

CompTIA Linux+ Certified

LPIC-1 - Linux Professional Institute

LPIC-2 - Linux Professional Institute

LPIC-3 - Linux Professional Institute

TECHNICAL ENVIRONMENT

Operating Systems: Red Hat Enterprise Linux – 3/4/5/6/7/8, SUSE Linux Enterprise Server 11, Ubuntu Server 18.0, Sun Solaris 9/10/11, AIX 6.1/5.3/5.2/3, MS DOS, Win 9.x/XP/2000

Packages Known: MS Office, Star Office, Visio, Putty, SSH Secure Shell Client

Languages/Scripting: Bash shell scripting, Python.

RDBMS: Oracle, MySQL, MariaDB

Cloud Technologies: AWS, (VPC, EC2, S3, EBS, ELB, SSL, Security groups, RDS and IAM, CloudFormation, AWS CLI), Openstack

UNIX Tools: Regex, Sed, Awk, Vim

Systems: Systems analysis and Design, Information System’s for Management Support, Structured System’s analysis and design.

Hardware: Pentium X86/64, Ultra Sparc 5/10 Sun Solaris Server, Compaq ProLiant (DL 580/DL 380/DL 580/6500), HP, dual processor Server, Compaq Fiber Channel Array, IBM, xSeries (346/366), IBM Blade Center, HS20, Blade Center JS21/HS21, Blade Center Chassis, Dell Power Edge Servers, Nutanix. (1850/2850/1950/2950/6850/2800), Sun Enterprise M5000/4000, Sun SPARC T2000/T5220/T5440, Sun-Fire-V890/v100, E2900, v440, 490, Cisco UCS Data Center Servers.

Networking: TCP/IP stack, Networking Security, VPN, DNS, Routing tables.

Subnetting/CIDR

DevOps: DevOps Framework, Agile, scrum terminology, DevOps Tools – Jira (for Issue tracking and PM), Git (for Code repo), Jenkins (for releases), Docker (for containerization), Ansible (for configuration), Nagios (for Monitoring), K8s (for Container Orchestration).

MAJOR ASSIGNMENTS

Client: SAMI Advanced Electronics Company. Riyadh, KSA Jan 2022 – till date.

Role: Sr. Red Hat Engineer/Cloud Administrator

Working on Red Hat OS based products designed to provide data security, Network Security, User security.

Interaction with multiple teams on daily basis with meetings and online web sessions.

Providing support to issues raised via Jira and ticketing systems adhering to the SLAs.

Solutions based approach to the issues faced by clients and suggesting changes according to their environment.

Providing Inputs to the UI team to make sure that clients UI experience is smooth and easy.

Producing security enhanced images for cloning by applying security changes to the OS while working with OS Vendor.

Following various security practices like Firewall, SELinux, OSCAP, NIST based on the recommendations OS changes implemented.

Collaborating with business units and preparing Cloud adaptability check list.

Closely works with the projects managers to migrate various services on AWS cloud.

Creating and configuring Amazon EC2 Auto Scaling with Launch Templates.

Using CloudWatch for Resource Monitoring, Creating CloudWatch Alarms and Dashboards.

Implementing Virtual private cloud (VPC) for Dev, UAT and Prod environment with VPC flow logs.

Installing CloudWatch Agent on EC2 instances and viewing CloudWatch Metrics.

Creating S3 Lifecycle policies, Creating AMI from EC2 instances.

Creating and Subscribing to SNS Topics, Adding SNS event for S3 bucket

Involved in whole process from purchase, procurement, lift shit, networking, installation and configuration.

Working with Firmware team in details so that the clients’ requirements are fulfilled in time.

On-site visits to resolve the critical issues in person for Security appliances as L3.

Working with Firmware and QA team on a Scrum sprint cycle as a part of continuous development.

Daily and weekly meetings with Clients and product stake holders on new features and product changes.

Building and configuring OpenShift Infrastructure Red Hat Enterprise Linux Operating System installation and configuration.

OpenShift Core concepts and software installation and configuration, Capacity Planning

Creating clusters, nodes and PODS And managing container platform with installation, upgrade, patching, monitoring

Troubleshooting and Supporting OpenShift Infrastructure for day to day run.

Production incident and change management. Performing patching and rollout

Providing L3 level support for OpenShift platform.

Kubernetes for managing containerized workloads and services.

Working with RedHat engineering support on Severity Level 1 tickets.

Installing, configuring network and monitoring, logging services.

Monitoring servers on OS level, VMs, applications, databases and SNMP V3 with Zabbix.

Setting up repositories online/offline to patch servers online vs offline model.

Working as a team lead currently to onboard new projects from POC to go live in production.

Client: SiriInfo Solutions Inc. Edison NJ May 2020 – Dec 2021

Role: Sr. Linux/Cloud Consultant

Senior Unix/Linux consultant available for implementing Infrastructure IT projects in various business domains including IT, Finance-

Manufacturing, Banking, Telecom, Avionics, Health care etc.

Good understanding of new project deployment right from planning, Designing, Architecting and Execution.

Experience in IT Operations support in 24/7 environment on call 365 days.

Provided training to the Junior system Administrators related to the projects and functioning of day-to-day activities.

Automating server and applications deployments using latest technologies.

Excellent understanding of troubleshooting process to find out the RCA of the issues and providing solutions.

Wide experience of Production deployments and working on production tickets.

Good communication skills with documentations required for the project tasks and POC’s.

Scheduling and running Daily/weekly meetings with offshore and onsite working model.

Many years of experience working with Dev, QA, UAT, PROD teams and environments.

Remote administration of AWS cloud environment.

Checking Compliance status of Security group using AWS Config service.

Finding vulnerabilities on EC2 instance using Amazon Inspector and taking corrective actions.

Checking AWS Resources in Trusted Advisor.

Creating Network monitoring system using AWS VPC Flow logs and CloudWatch.

Building resilient AWS Architecture to withstand hardware failures and notifying with SNS.

Resizing Amazon EBS volumes.

Creating automatic snapshot of EBS volume using Amazon DLM

Client: Panasonic Avionics, Lake Forest CA Aug 2018 – May 2020

Role: Sr. Linux System Administrator

Architecture, Implementation, Configuration and management of Identity management on Linux Platform.

Installing SSSD client across environments.

Documentation and process-oriented work.

Configuration management tool ansible and ansible tower with the modules.

Integration of GitLab and Ansible/Ansible tower for managing the repository code and automation.

Containerized applications deployment with DOCKER Solutions.

Shell scripting and python scripting language.

Change management tickets, tasks, incidents implementation.

Server build process automation and integrating with ansible with modules.

Server Patching with Spacewalk/Satellite and yum package manager.

Training and supporting Tier2 for operations support.

On call 24/7 on production support.

Handling datacenter outages, and maintenances.

MySQL/MariaDB database installation and configuration.

LAMP server’s configuration and build and troubleshooting’s.

Integration of Ansible tower with LDAP.

Automation with Ansible tower and ansible configuration management tool.

Integration of GitLab with Ansible tower and running templates for various projects requirements.

Analyzing and troubleshooting customer problems related to networking and providing solutions to them.

Inventory management of the servers for DEV/QA and PROD via Ansible tower.

Using Shell scripts for miscellaneous activities for SSH login, data extraction, local server tasks etc.

Server monitoring via SNMP.

YUM repository setup and updating packages via rpm with and without Ansible modules.

Worked on Data and server migration project of CentOS 7 to RHEL 7 and Upgrading to RHEL 8.

Client: Verizon Wireless, Rocklin CA Aug 2017 - July 2018

Role: Sr. Linux System Administrator

Responsible for the operation, maintenance and 24x7x365 support of the high availability server/database/SAN platforms located in both local & remote Data Centers across multiple time zones.

Supporting daily operations including monitoring, alerting, troubleshooting, capacity management, provisioning, hardware and software configuration, patching, upgrades and performance monitoring/tuning

Administers multiple systems including regular after-hour & weekend supports and 24x7x365 in a 99.999% uptime environment

Composing clear and concise system documentation and reports

Daily use of multitude of OSS tools and utilities for managing, monitoring and troubleshooting Linux infrastructure and networks

Red Hat LINUX/UNIX shell scripting

System administration of HP C7000 blades, DL380 and DL580 servers.

Red Hat Enterprise Linux Satellite 6.2 installation with Capsule and administration.

Red Hat Enterprise Linux 6/7 System Administration, Network Services configuration and network trouble shooting.

Supporting Oracle SQL database including Oracle RAC cluster implementation on SAN platforms

Supporting SAN architectures and Fiber Channel protocols

Administering servers, backup operations, and systems monitoring in multiple and complex network server environments

Datacenter Migrations, Server upgrades, O/S and firmware patching

Troubleshooting and diagnostic skills and providing support to Operations personnel

Supporting mission critical systems 24x7x365 including regular on-call for after-hour and weekend support

Meeting high-availability (99.999% uptime) SLAs.

Business continuity/disaster recovery failover/failback and run book documentation

Prioritize multiple assigned tasks and execute parallel tasks in a high-pressure environment

Cyber security, UNIX server hardening and DMZ deployment.

Juniper Space appliance hardware maintenance and upgrade.

Client: Verizon Digital Media, Los Angeles CA Jan 2017 – Aug 2017

Role: Sr. Linux SysOps Engineer

Member of Systems Operations and Engineering team taking care of the Data Center building

targeted to the CDN technology.

Sizing of the project/number of servers/server type hardware etc.

Red Hat Enterprise Linux 6 and 7 Engineer worked on Architecting and designing various projects.

Automated Ubuntu OS server building with PXE installation method and health monitoring with in house monitoring tools.

Scripting with Bash and Python for daily Linux Administration tasks

Router maintenance and OS upgrades during production change requests.

Using Service-now as ticketing management systems.

AWS administration for multiple Operating systems and applications.

Launching instances for defined machine images and installing applications from AWS Marketplace.

Using EC2 dashboard for managing instances and connecting the OS instances with putty.

Automation tool Salt/Puppet for configuration management.

SVN/GIT as version controlling system for project management.

Troubleshooting networking issues related to cache servers/Mail relay servers/directors (VIP/load balancers) servers.

Openstack cloud intermediate level exposure.

VMWare Vcenter client to manage virtual machines both Red Hat Linux Windows.

Client: Capital Group, Irvine, CA May 2014 – Nov 2016

Role: Sr. UNIX/Linux Engineer

Unix Patching Team Lead for Capital group of companies.

Production on call support 24/7.

Red Hat Enterprise Linux- 7, 6, 5, AIX 5.3, 6.1, Solaris 10 and 11 Server build and Administration.

Red Hat Linux servers patching and checking out for post patching and signoff.

Performs routine audits of systems and software and performs backups.

Applies operating system updates, patches, and configuration changes.

Installs and configures new hardware and software.

Various software tools like – CyberArk, VSphere Client, Red Hat Satellite, Chef, puppet with DevOps methodologies Veritas Enterprise Administrator, Veritas Cluster Server (Java Console), Avocent DS View, SharePoint etc.

Responsible for adding, removing, or updating user account information, and resetting passwords, security and documenting the configuration of the system.

Clustering on Red Hat Enterprise Linux 6.5 and CentOS distribution.

PowerVM tasks like creating VIOS and LPARs, DLpar (virtual adapter, Memory, CPU), VLAN Tagging and NPIV.

NFS server/client issues and handling various requests (used a lot in CG)

Troubleshoot any reported problems and be responsible for system performance tuning.

Pre-patching/post patching activities for Solaris 10 OS and live upgrade.

Red Hat Enterprise Linux 5/6 System building right from hardware acquisition till OS pre/post install.

Red Hat satellite server 5.5 administration including patching.

Installed and configured Ansible plugin with Jenkins, developed Ansible custom modules to automate various regular maintenance work on Cloud environment.

Change management, remedy ticketing system. Working on the incidents/tasks/CRQ.

VMware ESX 5.0, HP ILO 5.0 Administration including RAID configuration and OS installation.

Shell/Perl scripting, writing short scripts on the fly to easy the system administration tasks.

Installed and configured IBM Tivoli Network Storage Manager (TSM) client & Server software backup and recovery solutions.

Vast experience working on CRQ Management – Approx. 300 per year.

Oracle Solaris 10 Live upgrades Patching Quarterly.

AWS cloud Experience with Amazon Web Services (AWS) operations including EC2, S3, CloudFormation and related technologies.

Excellent troubleshooting skills to address the pre and post patching related issues.

Client: PIMCO, Newport Beach, CA Mar 2013 – May 2014

Role: Sr. Linux/UNIX Engineer

Red Hat Enterprise Linux -6, Solaris 10, SUSE Enterprise Linux 11 Server build and Administration, Designing and Architect.

Autosys server components implementation with administration and helping the teams to configure their project and the production job cycles on the Autosys.

Training the team members for using various application tools like Autosys WCC/MQ Explorer.

IBM MQ Administration. With architecting and design till launching in DEV/QA/PROD/DR environment.

Axway Secure Transport architecture and design and installation/configuration and releasing the project in BETA/PROD and DR environment.

Filesystem administration. File System (ext3, NFS) and raw device.

Managing various day to day tasks with shell and Perl scripts.

Open-source software installation (compile from source or RPMs).

System Architecting and design for various UNIX projects.

Worked on AWS cloud platform on EC2 and S3 related technologies.

Linux systems Configuration Management Automation (puppet) with Devops practices.

Implementation of Oracle Database firewall for SQL traffic monitoring of Oracle Database in POC and PROD environment using the SPAN port mirroring method.

DL 380’s/580’s ILO management configuring/using various RAID levels and managing the volumes with Red Hat Linux Volume manager.

Tuning various kernel parameters required for the smooth function of the applications.

Building, deploying, and maintaining compute farms.

Interprosses communication. Monitoring tools, like sar, iostat, vmstat, top.

Splunk monitoring tool. Performance tuning.

Shell Scripting with BASH.

High availability clustering experience (IBM MQ/Secure Transport/VCS)

Linux Cluster Management on Red Hat Enterprise Linux 6

Creation of file systems using ZFS and setup quotas in zpools, zpool mirroring, adding storage to the zpool, setting up devices in the zpool using RAID levels.

Installation, configuration and troubleshooting of Veritas Cluster Server 6.0 for High Availability and configuring a fail over Cluster. Adding and removing nodes from a cluster configuration.

Microsoft SQL server support and Oracle database support to the Database team.

Volume management using Veritas Storage Foundation 5.0, 6.0 which included the encapsulation, initialization, root disk mirroring, and export/import of disk groups.

Building Solaris 10 and RHEL 6 servers with jumpstart and kickstart method on SPARC and Intel hardware for QA and Production servers.

Experience in virtualization using VMware ESX 4.0, vSphere 4.0, Solaris zones and Xen Server.

Applying Patch bundles and upgrading Solaris 10 and RHEL-6.

Experience with Amazon Web Services (AWS) operations including EC2, S3, and related technologies

24/7 on call production support. Working experience on the production issues and severity 1 tickets through ticket management system.

Client: Wells Fargo Bank – AZ Jul 2012 – Feb 2013

Role: Linux/UNIX Engineer

Red Hat Enterprise Linux 4/5/6, Sun Solaris 10 X86, SPARC System Administration and Architecture.

System Admin Activities of Installing Network services, Making configuration changes and testing the changes.

Deploying builds for applications & integrated utilities in the business.

Working with engineering team on Design and architecting many client focused short term projects.

Responsible to test various protocols FTPS/SSH/PGP/HTTPS etc.

VMware Infrastructure management with VCenter client.

Setting up CVS repository adding projects, check in, check out, Tagging etc.

Troubleshooting Axway components for file transmissions & monitoring.

Writing shell scripts for various bank business utilities to manage the process and business architecture.

Working closely with QA Team & Development team for supporting infrastructure required for automating the release process.

Managing various application services, file configuration, attributes changes.

Handling of CVS client, WebLogic, Gateway Integrator, Axway Sentinel, Dashboard, enrollments, Ipswitch WS_FTP Professional, VMware.

Leading the meeting for final build deploy prior to the Production deploy.

Supporting Oracle Database administrator’s during maintenance/patching upgrading etc.

Client: American Express Company AZ Mar 2012 – Jun 2012

Role: Linux/Solaris System Admin

DC2015 data Center Migration activities.

VERITAS Clustering Software, Volume Manager, Logical Volume Manager.

Managing SAN devices including scanning, configuration & removal.

Executing Change Management Requests (CMR’s)

SMTP, NFS, LDAP, SAMBA, DNS protocols.

EMC Clariion, Symmetrix, and VMAX.

VSphere Client, ESX 4.0, Configuring Linux VM, Migrating, and Cloning.

Application installation, troubleshooting, and FS Management.

Linux Red Hat, Solaris 10, WebLogic, and WebSphere.

Shell scripting, Perl, and regex.

Red Hat Linux (VM) server building with version 5/6.

Client: Harvard University, MA Sep 2011 – Mar 2012

Role: Linux/Solaris System Admin

Oracle Sun Solaris System Administration/Red Hat Linux System Administration engineering and architect.

Managing and resolving trouble tickets for UNIX/Linux system for various users.

Managing multiple projects and day to day System Admin activities.

Shell scripting with BASH for automating and various processes.

Performing sweep activities on 150 + Linux and Solaris servers.

Learn and enforce existing processes as quickly as possible

Work closely with project managers to estimate engineering effort, project plans, and system design specs.

System performance and bottleneck issues related to Operating Systems and applications.

Deployment of SMTP server for corporate infrastructure - Dev/QA and Prod servers with SENDMAIL.

Oracle WebLogic Application server Architecture and Administration.

Supporting Oracle Database team and Microsoft SQL servers.

Participated in technical reviews and updated infrastructure documentation.

Work closely with the architecture team to provide input to new technology strategies.

Responsible for infrastructure support for: Servers – Solaris on Sun, Linux on various servers, VSphere infrastructure client and Storage – EMC DMX, VMAX & Clarion.

Client: Wells Fargo Bank – AZ Feb 2010 – Aug 2011

Role: Application System Engineer (Unix/Linux/Axway)

Worked on Solaris and Red Hat Linux System Administration and Architecture of various projects.

Solaris Kernel Engineering tasks.

VERITAS Clustering Software, Volume Manager, and console Manager (JAVA)

Memory management Shared, Virtual, Fixed, I/O Analysis and bottlenecks.

Solaris system performance analysis tools – SAR, Truss, sysdef, prstat, mdb etc.

Application migration from Solaris to Red Hat Enterprise Linux 5.5.

Red Hat Linux – Software deployments, rpm, yum, kickstart.

WebLogic System Administration experience with strong diagnostic skills in TCP/IP stacks.

Wireshark, Solaris (snoop), F5 BIG/IP, Linux (Tcpdump), OVO alarming, Encryption, SSL, SSH, MD5,

Java Memory Management, Java Heap stack.

Application Intercommunication to Kernel diagnostics.

Process flow identification and Deployment of applications.

Installation, configuration and management of Axway Product line components like Synchrony Gateway, Integrator, Passport, Sentinel, Composer, and Secure Relay.

Open Source SSL and TLS, jar, tar, zip,

Build Engineer experience with Mercury Quality Center for defects creation, tracking and resolving plus deploying the applications using Anthill Pro 3.8 and helping QA Team to validate those defects.

Scripting Languages – BASH, PERL, SH.

Application integration Transmission Protocol experience (troubleshooting)

Knowledge of PKI, Digital Certificate Authentication, SSH Key Authentication, PGP Encryption

Documentation Tools: Visio, SharePoint, Source Code Control: Tortoise CVS, Business Analysis.

Monitoring Tools: Sitescope, Introscope, and General Nelson.

Application performance, availability, configuration and troubleshooting.

Customer Support, Executing CR's coordinating with various teams.

Change Management, BMC remedy User Ticket Management, Problem Ticket, Work Request, Work Order.

Performing Full Functional testing for file transmissions using various protocols like: FTP, FTPS, FTPw/PGP, SFTP, HTTPS, AS2, SWIFT.

VMware workstation DEV Platform development from scratch with RHEL 5.4 and Oracle 10g.

Client: American Express Company – AZ Jul 2008 – Jan 2010

Role: Linux/Unix System Administrator

Red Hat Enterprise Linux and AIX engineering and architecting projects of Amex customers.

Installed and Configured PowerHA/HACMP clusters and failover testing and support.

Automated installation of Solaris 10 with Jumpstart technology.

VERITAS Clustering Software and Volume Manager.

TCP, NTP, SNMP, SMTP, ARP, HTTP, BIND, SSH, SSL using Red Hat Enterprise.

Administration of Solaris 9 & 10 on SPARC SUNW, Sun-Fire-V890, E2900 and X86.

Verisign Certificate Installation and configuration on Apache/Tomcat.

Managed Network services like NFS, HTTP, SAMBA, DNS etc.

Involved in writing Bash and PERL shell scripts.

Installation and configuration of RHEL 3/4/5 on Intel Platform.

Administration of AIX and RHEL 4 and 5 on VMware Infrastructure.

Supported the various applications like Hyperion, Clarity, New Scale (Service Catalogue Leader), Informatica, and Vontu.

Automated Network installation of Red Hat Linux with Kickstart.

Responsible for documentation for the processes followed.

OS and Application Performance tuning and analysis.

Installation of Apache 2.0, Tomcat 5.5, and configuration and troubleshooting.

Citrix Meta Frame Presentation Server Client.

BMC Monitoring configuring for UNIX and various applications.

Worked on Patch Management and Installation of Technological level upgrade and troubleshooting during patch installation on AIX.

Supporting the Production Environment 24/7.

Extensively worked on the IMR and CMR’s in PROD and QA and Dev Environment.

Performed root cause analysis for any problems that occurred.

Worked on INFOWEB (Change Management Request Tool) and Mercury Quality Center.

Used the tools like Microsoft Project and VISIO for Architectural Diagrams and Designing.

Familiarity with Java based applications, Apache Tomcat, and MySQL.

Experience with UNIX Virtualization like Zones and VMware.

Installation/Administration and supporting WebLogic/WebSphere Application servers.

Installation of Netback up Client and Server on SUN and Red Hat OS.

Installation of BMC patrol agent on RHEL Servers.

Configuration of RAID and using Logical Volume Manager.

Red Hat Linux Load balancing clustering experience.

Experience in User and Group Management and permissions.

Installation of firewall on Linux (Iptables) and Solaris (Ipf).

Flexible access control techniques and tools such as Sudo.

ILO for HP Proliant Servers. Involved monitoring systems on SNMP protocol with HP Insight Manager.

Working experience with various vendors like SUN, Dell, Red Hat, Clarity. (CA).

Client: Freescale Semiconductor Inc. – AZ Jan 2008 – Jun 2008

Role: Unix/Linux System Administrator

Administration of Solaris 9 & 10 on SPARC SUNW, Sun-Fire-V890.

Installation of Solaris OS on Intel and Sparc Hardware with Network Installation.

Set up RSYNC server for backup activity on Solaris 10.

Automation of FTP, RSYNC, SSH with shell Script.

File system Access control and System Security.

Setting up SSH login without password on Solaris and AIX.

RHEL -4.0 setting up Kickstart installation server with HTTP, NFS, FTP Setup.

Configuration of RAID and Logical Volume Manager.

Installation of SAMP on Solaris 10.

Scripting skills in Shell script Bash.

Installation of applications and software from source code and Setting the environment variables in the System PATH.

Installation of DataStage on Solaris 10.

Solaris package Management and patch implementation.

Understanding TCP/IP stack and OSI Layer Architecture.

RHEL 5 Kickstart Server installation with File System Layout.

Apache, Apache-tomcat Configuration and Administration on RHEL 4

Autofs service Configuration with NFS SERVER Setup.

Upgraded and recompiled the kernel and patched the Linux kernel.

SELINUX configuration for NFS, Apache, and NIS.

IPTABLES and TCP_WRAPPERS implementation on Linux Security side.

Performed SAMBA Server configuration on RHEL 5 with WINDOWS NT and managing SAMBA with SWAT (Graphical Interface).

Managed the super daemon XINETD and the various services controlled by the daemon like RSYNC, TELNET, and VSFTPD.

Managed Network files in SYSCONFIG directory for NIC speeds and for assigning Virtual IP addresses.

Managed RHEL-4.0 including NFS v.4, Managing Newer Version of SAMBA 3.0, GCC (3.4), GENOME (2.8), MYSQL 4.0.

Performed installation of various software with RPM utility, Building the packages from source with RPM build.

System Security: IPtables, TCP_WRAPPERS, File System Access Control and Role based access control in RHEL-4.0

Tweaked various kernel parameters in sysctl.conf file in RHEL-4.0

Performed installation of Linux, Solaris on VMWARE workstation.

Supporting the production Environment on 24x7 basis and on call rotation.

Sitescope Network monitoring Tool configuration.

Installation and implementation of monitors for Oracle, Datastage, and Hyperion.

Supported almost twenty users

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