Muhammad Uddin

Email: ac6zx8@r.postjobfree.com

201-***-****

OBJECTIVE: Over 14 years of experience in Unix/Linux Environment with 12 years of hands on experience in Oracle Linux, Redhat Linux, Oracle Virtual server and OVM. Thorough knowledge in System administration of Oracle Linux, Redhat Linux, Solaris, AIX, hands-on experience in designing, configuring, and managing High Availability clusters (VERITAS and HACMP) Excellent shell programming ability and solid experience in hardware installation and maintenance, Kernel and security Patching, TL upgrade, software integration and packaging, quality assurance and testing, TCP/IP network administration, and Web administration. Expertise in capacity planning, performance analysis, kernel tuning, troubleshooting, and debugging.

Professional Experience

NYC Gov-(contractor)-Ebyte Software Solution Inc.– New York, New York

Designation: Senior Linux-AIX-Solaris Admin

Working Period: March 2016 to Present

Linux:

Responsibilities:

• Provide support in a demanding 24/7 Production Environment in Linux (RedHat)/OEL

• Install and configure VCS cluster on Redhat Linux 2 node cluster in Production environment

• Troubleshoot various nfs related issues

• Install LAMP and troubleshoot related issues

• Involve RedHat server performance tuning by configuring Kernel Parameter Settings, Tune Up

TCP, Use ext4, Refine Mount Point option, Proper Configuration of MySQL and Apache,

Analyzing Linux Server Performance

• Install various patching that involves vulnerabilities and issues

• Perform system requirement reviews, patches, created tickets for storage, network connections,

Consoles, ILOs

• Implement kernel changes/ITIL in production and test environment for Linux

• Implement and support Production systems on ext 2/3/4, VXFS

• Create/Extend/ volume groups, logical volumes and file system using LVM2 on Linux RedHat,

OEL

• Install Solarflare Solarstorm SFC4000/SFC9000-family network controller for 10g/40G

Network controller

• Troubleshoot various issues of SGE and Slurm on High Performance Computing Cluster System

• Use wireshark, tcpdump to monitor network and troubleshoot issues

• Build Centos 6x server for Sybase DB

• Work with hardware Dell R710, 2850, 2950, HP BL-460C, IBM-345, IBM- 346, HP-BL360,

HP DL380 G7, HP DL580G7

• Install SSL certificate into Apache Web server

• Run various kind Shell scripts in the environment

• Experience with Docker in RHEL7x

• Experience with Netcool

• Use netbackup/avamar/commvault as a backup utility on the server

• Setup Kickstart environment for the LINUX production and development installation

• Setup and configure puppet agent

• Experience with automation/configuration management using tools like Ansible, Puppet

• Experience with Docker and cloud provisioning/automation

• Worked on creating the Docker containers and Docker consoles for managing the application life

• Experience with Exalogic using OEM and managing Exalogic using CLI/Graphical user interfaces

• Experience in applying patches to Exalogic rack

• Managing and Configuring the users and access

• Experience with PSU patches to Exalogic rack

• Experience with Exalogic components and ZFS

• Experience with SCAP for vulnerability assessment

• Build/Clone Linux RedHat / Oracle VM systems on VMware Esxi 5x and Private Cloud Appliance

• Configure zfs appliance on Private Cloud Appliance for OEL as nfs

• Configure RedHat Linux bonding

• Assist Oracle Weblogic 11g/12c installation with DBA team

• Configure Tivoli agent

• Deploy bash script to check performance and adjust system files for performance

• Build and release Azure/Cloud RedHat 7x in respect to Oracle DB 12.1 Multitenancy

• Install and configure KVM on RHEL7x

• Install Nagios 4 on RHEL7x

AIX:

• Build and Configure 2 Node HACMP cluster

• Creating mirror at oslevel for rootvg

• Setup and installation of Power 750 and 770 hardware

• Configure and administer Dual VIO server and Lpar clients

• Installing VIO clients and assign storage with the help of NPIV technology

• Migrate and Upgrade VIO server from V1.5 to 2.1

• Upgrade Power HA from V5.5 to 6

• Migrate from AIX 5.3 to AIX 7.1 using NIMADM procedure to keep the whole environment vendor supported

• Use fix pack for product enhancements, new function and fixes in NIM as per company policy

• Administer and troubleshoot of AIX HACMP Clusters

• Implement Advanced POWER Virtualization on IBM p5,p6,p7Systems

• Installed Tivoli agent for AIX for backup and recovery on the Power Series AIX server

• Logical Volume Management (LVM) of AIX

• Extensively used LVM, created VGs, LVs, and disk mirroring

• Disk Management on AIX using SMIT

• Planned, setup, and tested all Disaster recovery procedures

Solaris:

• Setup Automated installer.

• Migration of hosts from to multiple hardware (P2V) where source and destination hardware

included Sun Fire V240, V440, E2900, V890, M5000, T5-8, T5-2,T7-1 and T7-4

• Complete setup 2 node VERITAS Cluster Server (VCS)

• Set up Control domain on Sun T(Sun 4V) series machine for Solaris 11

• Experience on SAN, iSCSI, NAS on Solaris Global, Local and LDOM

• Use Live Upgrade to patch Solaris servers and convert from UFS to ZFS

• Perform V2V migration of Solaris Local Zones between Global zones by exporting

VERITAS Disk Groups(Veritas Mirroring) and SAN LUN swings

• Perform P2V migration of Solaris 8 and 9 physical hosts to Solaris 10 Containers using FLAR

• Build Solaris Local zones, branded and native, sparse and full root

• Create Solaris 8 and Solaris 9 Branded zone in Solaris 10 Ldom.

• Create dedicated cpu and ram in Solaris non global zone in Ldom 10.

• Design to convert vxfs to zfs.

• Assist Oracle Weblogic 11g/12c installation with DBA team

• Experience with Java upgrade OBIEE application server

• Expand and reduce VERITAS Volumes from SAN with zero down time

• Participate in yearly Disaster Recovery program to ensure DR functionality

of the entire production environment on Solaris

• Build, maintain and troubleshoot Solaris servers including Net Management port

configuration, SAN and network configuration, NIC teaming(IPMP) and LACP(link aggregation)

with three different VLans

• Configure Avamar,Commvault for server back up and restore solaris production server.

• Deploy shell scripts to monitor environment and set up cron jobs

• Setup Web-ips servers for Solaris 11x repository

• Patch Solaris 10 and upgrade Release on Solaris 11 via IPS

Sandvik Inc - Fair Lawn, New Jersey

Designation: Solaris -Linux Administrator

Working Period: December 2012 to January 2016

Responsibilities:

Solaris:

• Worked on Solaris 10 container technology, created local and global zones,

modified local zone parameters, created file systems on local and global zones.

• Created Zetabyte file system (ZFS) in Solaris 10.Managed resources for zones using

Solaris 10 container technology.

• Created Solaris 10 and Solaris 11 LDOM in Solaris 11 in Control Domain.

• Created metadevices, soft partitions, mirroring the devices.

• Migrated Solaris 8, Solaris 9 as a branded zone in Solaris 10 Ldom

• Space allocation to the metadevices, detaching and clearing the devices if not in use.

• Troubleshooting and building high end servers E15K, E25K and midrange servers

sunfire v240, sunfire v240,T1000, T5140, T5240

• Configured new service group and resources for new application in Veritas Cluster Servers.

• Worked on server consolidation and migration.

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

• Proactive maintenance on systems by timely upgrading Patches to the systems and Scheduling

of batch jobs and Cron jobs.

• Monitor performance and resource utilization of key systems and provide ongoing trend

analysis for forecasting future resource requirements

• Supported class monitoring and management tools such as Openview and BMC Control-M.

• Implemented Security Hardening per company policy using Solaris 10 features.

• Involved in disaster recovery testing every quarter.

• Participation in change control activities, Involved in Memory sizing of different applications.

• 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.

Linux:

• Build/Clone Linux RedHat / Oracle VM systems on VMware Esxi 5x / XEN

• Install Red Hat /Oracle Linux operating system using kick start (or manually for DMZ etc)

• Reconfigure Oracle VM in OVM as per the customer request

• Perform patching on Redhat Linux and Oracle VM as per change ticket

• Perform Kernel upgrade as per change ticket

• Troubleshoot applicarion issues Redhat / Oracle VM

• Create volume groups, logical volumes and file system using LVM2 on Linux RedHat, Oracle Linux

• Run various kind Bash scripts in the environment\

• Build and configure RedHat VM on AWS (EC2)

• Configure server and agent for NagiosXI on RHEL

• Setup and configure puppet agent

• Setup of the Kickstart environment for the LINUX production and test systems

• Deploy bash script to check performance and adjust system files for performance Tuning

• Use of Redhat Satellite

Surfray Inc. - Saddle Brook, NJ

Working Period: April 2008 to November 2012

Position: Solaris / AIX System Administrator

Responsibilities:

• Solaris/Aix System Administrator in supporting Surfray's Production servers

• Hardware included E10K, E15k, E25k, V490, E2900M5000, M8000, M9000, T5240, 5120

• AIX Hardware consisted of Power 770/650/550/570

• Solaris Jumpstart configuration and installation

• LPAR setup and configuration via HMC on AIX servers

• Perform package/software installation on Solaris

• Performs installation and upgrade of Solaris /AIX patches for all applications

installed on infrastructure

• SAN hardware consisted of EMC, and Netapp for NAS storage. SAN switch used was

Brocade switch

• Use Live Upgrade to patch Solaris servers and convert from UFS to ZFS

• Perform P2V migration of Solaris 8 and 9 physical hosts to Solaris 10 Containers using FLAR

• Perform V2V migration of Solaris Local Zones between Global zones by exporting

VERITAS Disk Groups and SAN LUN swings

• Build Solaris Local zones, branded and native, sparse and full root

• Products platform - redesigned and deployed infrastructure for multiple markets

• Build, maintain and troubleshoot Solaris servers including Net Management port configuration,

SAN and network configuration, NIC teaming/aggregation (IPMP)

• Work with SAN team to provision SAN and decommission SAN from older infrastructure

during migrations

• Use Live Upgrade to patch Solaris servers and convert from UFS to ZFS

• Build Solaris Local zones, branded and native, sparse and full root

• Work with Sun Solaris ZFS systems and VxFS

• Provide day to day support to existing environment for all issues coming either via Maximo

ticketing system and Change/ITIL management records

Sutey Inc–New Hyde Park, NY

Working Period: December 2005 to March 2008

Position:. Solaris System Administrator

Responsibilities:

• Support Production Unix Server environment

• Install Patches, packages on production servers

• Installed & Configured SUN by using CD’s and jumpstart servers

• Troubleshoot outages and productions issues. Assist other technical groups during their outages

• Perform DNS administration. Add modify /modify zones. Work with the ISP in order to

resolve DNS issues

• Assist and guide users on best practices of use of the environment

• Install Solaris Patches, packages on production servers

• Tune and configure systems where applicable

EDUCATION: BS in Computer Science at City University of New York

References: Available upon request

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