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Linux Admin

Location:
Hayward, California, United States
Salary:
55
Posted:
January 24, 2018

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Resume:

NAUSHEEN SARFARAZ

ac3581@r.postjobfree.com

+* (***) -853-0775

“Only for Corp 2 Corp Jobs”

SUMMARY

Over 5-years of professional experience as a Linux System Administrator in Red Hat and Linux.

Experience in RPM Package Administration for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux

Experience in implementing virtualization using VMware ESXi and Virtual Center.

Experience in creating image of Linux system with System Imager and automate Linux installs using and building Red Hat Network Satellite Server.

Extensive experience in evaluation, installation, initialization, parameterization, configuration, optimization, standardization and maintenance of high-speed networks for LAN, WAN, and IP Addressing schemes.

Experience in implementing and configuring of Logical Volume Manager (LVM) for RHEL/SuSe, Solaris Volume Manager (SVM), VERITAS Volume Manager (VxVM).

Experience in installation, configuration, performance tuning, security, backup, recovery and upgrade/patches of Linux and UNIX servers.

Experience in maintaining cloud infrastructure using Apache cloudstack; automating using cloud monkey.

Created Zones, pods, clusters for hypervisors, adding then to home grown cloud environment.

Experience in installing, configuring and maintaining Application Server like Web Sphere and Web Servers like Web Logic, Apache HTTP and Tomcat on UNIX and Linux

Experience and implementation of services like NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail servers and Samba servers.

Planning, implementation, replacements and recommending for required hardware for SAN/NAS (Storage Area Network) and its capacity.

Experience in Global File System (GFS) for Linux configuring Zettabyte File System (ZFS) pools, file systems, snapshots and clones in Solaris

Extensively worked on Solaris 10 Container technology, responsible for creating, configuring and maintaining ZONES and installing applications on individual zones (global and local zones).

Experience in Shell scripting using sh, ksh, bash.

Experience in Performance Monitoring of Kernel parameters, Memory, Disks, Network.

SKILLS

Operating Systems

Cent OS, RHEL 7.x,6.x/5.x/4.x/3.x, Fedora, SUSE Ubuntu, Windows family, MS Dos, Mac OSX, NetappDATAONTAP (7.3, 8.1), DATA ONTAP 7.3 and 8.1versions, VMWARE ESX/ESXi.

Hardware

Netapp filers FAS series, IBM N-SERIES, EMC clarion cx series, Tape Libraries - Sun StorEdge L20/L40/L60, L180 and Storagetek’s 9840 A/B/C Fibrechannel, Sun Fire Servers - E25k, E15k, 12k, E280R, E480R, Sun Enterprise 450/420R/250 server, Arrays - Sun StorEdge 3130, A1000/D1000, EMC DMX (800 and 1000), IBM DS4K, DS5K and DS8K, SVC and Storwize V7000

Languages

Shell scripting, PERL, Bash, Python, HTML

Networking

TCP/IP, DNS, NFS, NIS, SSH, DHCP, HTTP/HTTPS, CIFS, Cisco Routers / Switches and LAN

Tools

Sun Cluster 3.2, Netapp CLI, Netapp GUI (filer view & system manager), VERITAS NetBackup 6.0, VERITAS Storage Foundation Suite, Solaris Volume Manager. HPSM

Backup

IBM Tivoli Storage Manager, VERITAS NetBackup 6.5, Replication manager, Recover point and VM ware

Applications

HACMP, Tivoli (TSM), AWS, VERITAS Volume Manager and Symantec NetBackup

Storage Technologies

RAID, LVM, FC, SCSI, iSCSI, Fiber channel, FCoE, SAS, Multi pathing, Backup and recovery, Business continuity and continuous access, Veritas Volume manager, Netapp storage and Amazon S3

EDUCATION

Master of Science in Computer Networks, California State University East Bay, Hayward, CA

Bachelor of Information Technology, Institute of engineering and management,Kolkata, India

EXPERIENCE

Client: Ford - Dearborn, MI Jan 17 – Till Date

Role: Linux Admin

Establish, maintain and manage users Unix accounts. Install, modify and maintain systems and utility software on server computer systems. Provide server support related to other software.

Production support on application/db servers.

Support for Hardware failures by troubleshooting/diagnosing and opening cases with IBM support.

Configuring and maintaining PXE boot environment.

Implemented SUDO, SSH and other security tools and security compliance.

Involved in installation, configuration and administration of Apache Web server, BEA Web Logic and IBM Web sphere and Samba Server in UNIX, Linux and Windows environment.

Working Lead of a Support team serving multiple clients.

Performed automated installations of Operating System using kick start for Linux.

Extensively worked in data and database migration from older machine to latest configurations.

Monitor performance and resource utilization of key systems and provide ongoing trend analysis for forecasting future resource requirements.

Installation, Configuration & Upgrade of Linux5/6/7.

Installation of Patches and Packages.

Configuring NFS, NIS, NIS+, DNS, and disk space management on RHEL (Linux) servers.

Developed new system and application implementation plans, custom scripts and testing procedures to ensure operational reliability.

Train technical staff in how to use new software and hardware developed and/or acquired.

Worked on Service Now for ticketing and tracking asset records.

Complete periodic checks of production and development systems, CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.

Verify successful completion of daily incremental and database backups, following developed procedures

Environment: Redhat Linux, VMware ESXI Veritas volume manager, Apache, SSH, Windows server R2, Active Directory.

Client: Ericson Overland Park, KS Nov 15 - Dec 16

Role: Linux Admin

Key duties and responsibility include the provision of information technology infrastructure engineering, design, integration and consulting services to a government agency.

Utilized Oracle Solaris and RedHa. Created a uniform foundation for the deployment of application servers in both Physical and Virtual enterprise environment

Daily monitoring and troubleshooting of enterprise server, network and security concerns

Perform software installations and upgrades to Linux systems and maintaining them in accordance with established policies, procedures and service level agreements.

Created virtual machines and configured them to use resources efficiently.

Installed and Configured web application servers and assigned a needed ports based on the organization requirement.

Setup and administered network file system (NFS) to share data with Linux and across widow environment.

Setup backup policies and backup data using Symantec Netbackup foundation

Respond and assist end users questions in a timely manner.

Establish records and maintain organization datacenter inventory as well as other supplies and assets.

Created and managed approved user accounts.

Demonstrate high level performance in management and task prioritization.

Creating, cloning Linux Virtual Machines, templates using VMware ESX 4.x, 5.x.

Performing capacity analysis, monitoring and controlling disk space usage on systems

Monitoring system activities and fine-tuning system parameters and configurations to optimize performance and ensuring security of systems

Install, configure, and troubleshoot enterprise-wide Apache web servers and Tomcat application containers in a large Red Hat /CentOS environment

Deploy, upgrade, and maintain application and web servers

Designing Firewall rules for new servers to enable communication with application

Setting up network environments using TCP/IP, NIS, NFS, DNS, VSFTP and DHCP

Setting up user and group login ID's, printing parameters, network configuration, password, resolving permissions and access related issues via ACL

Environment: Redhat Linux, VMware ESXI Veritas volume manager, Apache, SSH, Windows server R2, Active Directory.

Client: ServiceMaster - Memphis TN Sept 14 – Oct 15

Role: Linux Admin

Set up and configuring of Linux (Red hat& SUSE) and Solaris servers/workstations for clients.

Configuring the NFS servers, setting up servers in network environment and configuring FTP/NTP/NIS servers, clients for various departments and clients.

Experience working with high availability, high performance, multi-data center systems and hybrid cloud environments.

Handling the scheduling tasks (Cron jobs and task scheduler) for the scripts for various purposes.

Troubleshoot complex issues configuration issues, applying patches, kernel upgrades, package management, diagnosing resource utilization and file system issues.

Daily execution of build ops in an automated and continuous process.

Involved in support databases and performed MS SQL upgrades running on Windows servers.

Compiling code to move into test environments via automated processes.

Maintained existing programs/scripts and extended Linux system functionality as needed.

Involved in development of custom tag libraries, which provides various functionalities like check-in, checkout, export, import, open, delete, search etc. on JSP pages.

Involved in development of customized Web applications on top of Orion Frameworks using Web technologies like JSP, Servlets, and Java script.

Written Oracle Admin schema using SQL, which creates Orion Oracle database instances in Oracle 10g and Oracle9i.

Implemented various customized java beans, which creates Windows start up services for Storage Server and Command Server, Updates registry entries, executes Oracle database schema, installs web based and console based applications.

Involved in migration of code in CORBA framework to Java/J2ee framework.

Troubleshoot build and deploy failures, and facilitate resolution.

Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers.

Improve speed, efficiency and scalability of the continuous integration environment.

Logged all events to log files.

Extensive knowledge of Linux/Windows based systems including hardware, software and applications.

Creating a change requests, work orders and problem tickets using Service Now tool and getting approvals from higher officials.

Experience in development with Perl, Python, PowerShell or other scripting languages.

On-call support for troubleshooting production issues.

Project Management for various UNIX/Linux/Windows system integration projects.

Environment: RHEL, Solaris, AIX and Windows, ShelliPlanet4.1, Python, Sun One 6.1, IIS 6.0, Windows 2008, Linux, Shell Scripting, Oracle 9i.

Client: Cognizant Technology Solutions– Pune, India Dec 12 – Mar 14

Role: Linux Admin / Support

(Putnam Investments)

Installed/configured/managed/Administrated of all LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat, CentOS, Fedora core operating systems.

Installation, configuration diagnostics, planning and upgrades

Configured 4 Node oracle and 6 Node MySQL, Red hat Cluster on Red hat EL

Responsible for design and implementation of IT infrastructure such as data center, servers, storage, backup, and virtualization

Support for Linux/Unix systems administration, operational support and problem resolution for server systems Created shared NFS files, mounting and un-mounting NFS server, NFS client on remote machine, sharing remote file folder, starting & Stopping the NFS services.

Responsible for Installation, configuration, Maintenance, Deployments, Update, Monitoring, performance tuning on Linux

Experienced in monitoring and debug performance issues on different OS Linux (RHEL & Centos).

Responsible for troubleshooting end user and application problems

Systems log management, Data backup and restoration with UNIX native tools (tar/dd).

Managed DNS server

Updated forward and reverse lookup files for all the new machines added in the domain.

Created reverse lookup files for the new subnets added into the network.

Repaired bad spots on the disk using repair and analyze. Used format and fdisk/Parted for disk configuration and disk crash recovery

Configure and managing LVM on Linux using tools like lv extend, lv create, resize2fs etc.

Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing, scripts, performing system backups and recovery, and installing software patches and updates.

Developed Cron jobs and Shell Scripts (Shell, Python) for automating administration tasks like file system management, process management, backup and restore.

Wrote Python and Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs

Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, FTP, TCP/IP, Applications and print servers to insure optimal networking and printing functionality.

Involved in running Hadoop streaming jobs to process terabytes of text data

Configured Open source tools like Nagios, Cacti, OSSEC, Splunk, and Centreon for Monitoring

Providing 24*7 on-call support on rotation basis and Handling High priority incidents through bridge calls

Environment: RedHat,CentOS, Solaris,NFS, LVM, WebSphere, Apache, JBoss, WebLogic, Tomcat, VMware ESX,ESXi servers, Python, Shell, Nagios, Cacti, Splunk, Centreon.

Client: Navtek LLC, India Jun 11 – May 12

Role: Linux Admin

Key duties and responsibility include the provision of information technology infrastructure engineering, design, integration and consulting services to a government agency.

Utilized Oracle Solaris and RedHa. Created a uniform foundation for the deployment of application servers in both Physical and Virtual enterprise environments

Daily monitoring and troubleshooting of enterprise server, network and security concerns

Perform software installations and upgrades to Linux systems and maintaining them in accordance with established policies, procedures and service level agreements.

Created virtual machines and configured them to use resources efficiently.

Installed and Configured web application servers and assigned a needed ports based on the organization requirement.

Setup and administered network file system (NFS) to share data with Linux and across widow environment.

Setup backup policies and backup data using Symantec Netbackup foundation

Respond and assist end user’s questions in a timely manner.

Establish records and maintain organization datacenter inventory as well as other supplies and assets.

Created and managed approved user accounts.

Demonstrate high level performance in management and task prioritization.

Creating, cloning Linux Virtual Machines, templates using VMware ESX 4.x, 5.x.

Performing capacity analysis, monitoring and controlling disk space usage on systems

Monitoring system activities and fine-tuning system parameters and configurations to optimize performance and ensuring security of systems

Install, configure, and troubleshoot enterprise-wide Apache web servers and Tomcat application containers in a large Red Hat /CentOS environment

Deploy, upgrade, and maintain application and web servers

Designing Firewall rules for new servers to enable communication with application

Setting up network environments using TCP/IP, NIS, NFS, DNS, VSFTP and DHCP

Setting up user and group login ID's, printing parameters, network configuration, password, resolving permissions and access related issues via ACL

Environment: Redhat Linux, VMware ESXI Veritas volume manager, Apache, SSH, Windows server R2, Active Directory.



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