Mohammed Shafi

602-***-****

Email: adxlxi@r.postjobfree.com

Summary:

•Oveall, 6+ years of Experience as a LINUX/UNIX Administration with expertise in Red-hat Linux 5, 6 & 7

•Configured kickstart server and updating/applying patches to the servers using Red Hat 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.

•Shell Scripting with expertise in Red-hat Linux 5, 6 & 7, Solaris 8, 9 and 10.HP-UX 11.i, AIX 5.1, 5.3 and 6.1, Windows 2003, WebLogic, WebSphere JAVA, J2EE Applications and SQL.

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

•Experience with Automation of jobs through crontab and autosys.

•Experience in Active Directory DNS, File & Print Server service.

•Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Unix Servers

•Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems..

•Experience and used Jumpstart, Kickstart, Ignite and NIM to install OS.

•Experience in VMware Installed and monitored Virtual environments with ESX 3. xservers and Virtual Center 2.X

•Experienced in working with Storage Area Network (SAN), EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.

•Integrating Weblogic10.x and Apache2.x and deploying EAR, WAR files in Weblogic Application servers.

•Experience includes building and supporting Solaris/ Redhat Linux 6, 7 servers.

•Experience in Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.

•Experience in Management and monitoring of various services using Service Management Facility and Service Administration.

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

•Backup management and recovery policies using VERITAS Net-Backup.

•Experience in installation, configuration and administration of WebLogic and Web sphere Servers.

•Working on Volume management, Disk Management, software RAID solutions on redhat linux.

•Experience in providing day-to-day user administration like adding and deleting users and managing user’s queries.

•Sound understanding of IT Infrastructure Administration with project management skills.

•Providing 24/7 technical support to Production environments

•Experience in configuration and testing Disaster Recovery Site.

•Technical professional with management skills, excellent business understanding and strong communication skills.

•Good at Project management & Configuration management.

Technical Skills:

Hardware: SUN Enterprise- E5000/5500/6500, SUNFIRE 3800/4800/6800, E10K/15K Series Servers, HP-9000, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, IBM e-Server Regatta P690, P570, RS6000, IBM/HP/DELL Blade Servers, SAN (EMC, Hitachi), NAS (Netapp), HP CS500 and CS900, HP Service Guard.

O/S: Solaris 10/9/8, HP-UX (11.00, 11.11, 11.23, 11.31), IBM AIX (5.1, 5.3), Red Hat Linux (RHEL 3/4/5/6/7), Windows NT /2003/vista,

Naming Services: DNS, NIS, and NIS+

Backup Management: VERITAS NetBackup 4.x/5.x/6.x, Ufsdump, ufsrestore, tar, dd, cpio

Cloud Platform: Microsoft Azure and Rackspace, Openstack

Script Languages: Shell scripts, PERL

Storage: SAN, EMC Symmetrix / Clarion, iSCSI, SNAP, NAS, DAS, and LPAR

RDBMS: Oracle, MS SQL Server

Remote Access Tools: Terminal Services, Net Meeting, Web – Ex, PC Anywhere & VNC for Windows Servers.

Education Details:

Course Name: Bachelors of Engineering from Osmania University

PROFESSIONAL EXPERIENCE:

Paypal, Scottsdale Jun 2020 – Dec2022

Linux/Unix Systems Administrator

•Administration of RHEL 5/6/7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.

•Configure, and automate the deployment of Linux and VMware infrastructure through our existing Kickstart infrastructure.

•Implemented and administered VMware ESX 5.5 for running the Windows 2003/2008 Servers on development and test servers.

•Configure Linux guests in a VMware ESX environment.

•Understand server virtualization technology such as VMware.

•Worked on Cisco USC, virtual infra on VMware, Storage migration and installations

•Installing, configuring, custom building Oracle10g, Oracle RAC 11g/12g and preparing servers for database installation which includes adding kernel parameters, software installation, permissions etc.

•Implemented multi-tier application provisioning in OpenStack cloud, integrating it with Puppet.

•Involved in integrated vSphere hypervisor with OpenStack.

•Configure and maintained FTP, DNS, NFS and DHCP servers.

•Configuring, maintaining and troubleshooting of local development servers. Software Implementations.

•Performed configuration of standard Linux and network protocols, such as SMTP, DHCP, DNS, LDAP, NFS, and SMTP, HTTP, SNMP and others.

•Writing shell scripting for automation.

•Worked on virtual and physical Linux host for decommission.

•Server Administrator Tomcat, Tomcat serving dynamic servlet and JSP requests.

•Managing cron jobs, batch processing and job scheduling.

•Worked on planning for the recovery of critical IT systems and services in a fallback situation following a disaster that overwhelms the resilience arrangements.

•Worked on Integrating Nagios with other monitoring/alert solutions (splunk, pingdom, pager duty) Server wizard.

•Monitoring System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.

•;Tuning the Kernel parameters for the better performance of applications like Oracle,

•Provided 24X7 on-calls production and customer support including troubleshooting problems.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485, ML Series), Websphere 5, 6., SAN(Netapp), Vmware VSphere, Jboss 6 & 7, Windows 2003 server, Shell programming, JDK 1.5,1. 6, VMware Virtual Client 3.5, VMware Infrastructure 3.5.

Petsmart, Phoenix Jan 2018 – May 2020

Linux System Admin

•Administered, maintained Red Hat Enterprise Linux 5.X,4.X, Ubuntu troubleshooting hardware, operating system, applications & network problems and performance issues.

•Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning.

•Install and configure DHCP, DNS, web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Red Hat Enterprise Linux servers.

•Installing and setting up Oracle9i on Red Hat Linux for the development team.

•Installed Web Logic 9i with SP5 Server and configured Domains, Admin and managed servers for Applications to be deployed.

•Provided production support of Apache and JBoss including installation, configuration, and management and troubleshooting.

•Implemented virtualization using VMware in Red Hat Linux on HP-DL585 and IBM-z/VM series.

•Implemented day-to-day tasks in RHEL that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multi pathing and LVM file system.

•Linux kernel, memory upgrades and swaps area and performed Red Hat Linux Kick start installations.

•Experience in Migration of HACMP 4.3.1,4.5 to HACMP 5.1 using Node-by-Node migration without changing the cluster setup.

•Worked on Web servers; JBoss, Tomcat 5.x/4.x/3.x & Apache Server 2.x/1.x

•Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.

•Wrote Scripts for automating and testing the code using Perl, Korn. Configured and administrated Lpar’s/DLpars’s.

• Manage systems using remote consoles like ILO for HP Hardware and HMC for IBM P-Series.

•Worked in install, configure and support their reporting application

•Network trouble-shooting using ‘netstat’, 'ifconfig' and 'tcpdump' etc.

•Administration and Configuration in VERITAS Volume Manager/VERITAS File System.

•Monitored trouble ticket queue to attend user and system calls, attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Red Hat Enterprise Linux 4.x, 5.x, VERITAS Cluster Server, Veritas Volume Manager, Perl, Korn, HP UX, IBM AIX, HP Proliant DL 385, 585 Weblogic.

Cleint:- Edufied Labs LLP Jun 2015 – Sep2017

Systems Engineer

•Communicates with staff or clients to understand specific system requirements.

•Give advice on project costs, design concepts, or design changes.

•Evaluates utility of software or hardware technologies.

•Collaborates with engineers or software developers to select appropriate design solutions or ensure the compatibility of system components.

•Coordinated project activities with other personnel or departments.

•Verified stability, interoperability, portability, security, or scalability of system architecture.

•Documented design specifications, installation instructions, and other system-related information.

•Identified system data, hardware, or software components required to meet user needs.

•Monitored system operation to detect potential problems.

•Recommendations and changes to improve computer or information system

•Performed security analyses of developed or packaged software components.

•Oversaw the development, installation, configuration, and administration of information systems.

•Analyzed security of systems, network, or data.

•Developed performance metrics or standards related to information technology.

Environment: Red Hat Enterprise Linux,Volume Manager, Perl, Korn, AIX, HP, Windows.

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