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Manager Engineer

Location:
Paterson, NJ, 07502
Posted:
December 31, 2020

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Resume:

MAHABUBUR RAHMAN

(***) *** - ****

adi2gv@r.postjobfree.com

PROFESSIONAL SUMMARY

** ***** ** ********** ** a System Administrator in REDHAT Linux ( 6 7 8 ), SUSE Linux, CentOS ( 5 6 7 ), Oracle Enterprise Linux, Ubuntu, OSX, AIX, Icinga, Windows and Sun Solaris servers and experienced VMware 6.7 Administrator.

Extensive experience in Installation, Administration, Patching, Upgrades, Configuration, Performance Monitoring, Tuning, Security, Backup, Disaster Recovery, Supporting and Troubleshooting of RHEL 4.x, 5.x, 6.x, SUSE Linux Enterprise Server (SLES) 10.x, 11i, SOLARIS 8.x, 9.x, 10.x, 11.x, CentOS 5, 6.

Experience in Automation, Installation and overall Configuration Management of servers using VMware.

Experience in installing Packages, Security Fixes and Patches in Linux using Redhat satellite server.

Experienced in Continuous Integration process such as perform software build, run shell scripts, archive the build results, Cron jobs Procmail jobs, monitors execution steps using Jenkins and Apache Maven

Experienced in cloud application and server virtualization using AWS (Amazon Web Services)

Good experience in Network and Performance Monitoring and Tuning using Nagios, in UNIX and Linux servers and

Experienced in shell scripting using ksh, bash, perl, Ruby and python to automate system administration jobs.

Expertise in creation of startup and shutdown scripts, crontabs, files system maintenance and backup scriptingand automation.

Made changes on the Linux kernel using sysctl for better performance and better processing.

Experienced in source code management using Git

Experienced in Virtualizing RHEL and Solaris environments with VMware ESX 3.x, 4.x, 6.x and VSphere 4.x servers on Dell Poweredge and HP Proliant Hardware.

Expertise in Veritas Cluster Server, Veritas Volume manager, and Veritas Net Backup.

In Depth knowledge and experience with LDOMs, Server Domains and Zones/Containers.

Implemented Solaris Fair Share Scheduler for resource management across Solaris Containers/Zones.

Experience in implementing and configuring of Volume Management by using Veritas Volume Manager (VxVM)

Good Knowledge in planning and designing of Disaster Recovery and Data Recovery.

Experience in creating different RAID levels with Veritas Volume Manager 4.x, 5.x, 6.x and Hardware raid.

Installation and configuration of Oracle 8/9i, Oracle RAC 10g on Solaris, and RedHat cluster nodes.

Expertise in Installing and Managing LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, FTP, SSH, DNS etc.

Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.

Installing and configuring of security networks like certificates using SSL.

Experienced in installation, configuration, management, troubleshooting and support of WebSphere, JBOSS,

Experienced in configuring SUDO, granting permissions to users; and powerbroker administration.

Expertise in User Management and Administration, managing swap space/paging and hardware setup and configuration.

Good experience in reviewing system logs files for errors, settings up CRON jobs for backups and monitoring process.

Excellent hands on experience in creating, updating and closing tickets.

Strong trouble-shooting and debugging skills and ability to handle multiple tasks and can work independently as well as in a team and Site Reliability experience.

Excellent client relation skills and the drive to complete the tasks effectively and efficiently as well as the ability to communicate effectively with all levels of management and the client community.

Provided 24/7 technical supports, Open Service Request to Dell and VMware for any problems.

TECHNICAL SKILLS

Operating Systems

AS400 IBM i (i5/OS, OS/400), RHEL (5.x, 6.x, 7x), SUSE Linux (9,10,11, 12), Sun Solaris (9,10,11), FreeBSD (7.x, 8.x, 9.x), CentOS 5,6, OEL 5/6, OSX, AIX, Windows 2003, 2008, 2010,

DevOps Tools

AWS, VMware/MCollective, Chef, Nagios, Jenkins, Maven, Ant, MySQL, JBoss, Tomcat, Apache webserver, Git/GitHub, SVN repo, VMware ESX (3.5,4.0, 6.5, 6.7.044)

Hardware

Sunfire (V100, V120, V215, V240, V440, V480, V490, V880, X2100, X2250, X2270, X4100, X4170, X4270, X4450, X4470), Sun Enterprise (250, 450, 220R, 420R), SPARC Enterpise (T2000, T5120, T5140, M3000, M5000, M8000), Sun Ultra 60, HP Proliant (BL460, BL 685, DL380, DL385 DL580), IBM RS/6000, pSeries (520, 550, 570, 575, 590, 595, 650, 630,670, M80, S80, H70 and H80), T4-2, Backup Devices, Dell Power Edge (840, 1650, 1850, 1900, 2850, 2900, 6400, 6950, T100, T105, R200, R300), IBM WSS. VXRAIL-P570F, APC, Aruba 250W Switch, Dell EMC VxRail, Power CLI, PowerShel

Networking

TCP/IP, NIS, NIS+NFS, DNS, DHCP, WAN, SMTP, LAN, FTP/TFTP, POP3, TELNET, Firewalls, BIG IP 10.0, Snoop, Tcpdump, Wireshark. Putty,

Volume Management

Veritas Volume Manager (VxVM) 4x, 5.x, 6.0, Solaris Volume Manager (SVM), Logical Volume Manager (LVM)

Backup Solutions

VeritasNetBackup (4.5, 5.0, 6.5), Tivoli Storage Manager, NetApp, Tape Backup

High Availability

Veritas Cluster Server 4.x, 5.x, Vmware 6.5

File Systems

UFS, VxFS, ReFS, Ext, Ext2, ext3, ext4, ZFS, CFS

Security and Monitoring

Tivoli Endpoint Manager, Bastille, Nagios, Iss System Scanner, HP Sitescope, BMC Patrol, Linux Iptables, Solaris Ipfilter, Symantec Enterprise Security Monitoring Tool, Teamquest, Power BI 2.8. VRops, Loginsight

Database Servers

Oracle 7.x, 8.x, 9i, 10g RAC, MySQL 7.0, 6.5

Web/Application Servers

WebLogic 8.x, 9.0, 10, Websphere 5.x, 6.x, JBoss 4.x, 5x, Netscape/iPlanet Server, Apache Server 1.3.x, 2.2.x, Apache Tomcat 5.x, 6.x, 7.x

Programming Languages

PowerShell, Shell scripting, Perl, Ruby, Python,

Virtualization

VMware ESXi, VCenter, KVM, Xen, Hyper-v, Virtual box, Solaris zones/containers, LDOM.

Case / Job / Document

Service Now, Jira, Share point

PROFESSIONAL EXPERIENCE

UPS – Mahwah, NJ Apr 2019 – Dec 2020

System Programmer

Responsibilities:

Daily Audit on vSphere 6.7, Cluster Health Check.

Deploy server to the vCenter, Install and configuration Application to the servers.

Migration VMware 6.5 to 6.7

Resolve the memory reservation of the VMs

Dell IDPA configuration.

Check nodes on iDrac9 4.22 ( Integrated Remote Access Controller 9 )

Open Dell and VMware case SR (Service Request) to Dell EMC and VMware

Collecting Log using iDrac9 for node, Download vCenter Support bundle Logs

Configure Data Domain Virtual Edition, Configure Backup and Clone Jobs

Creating New Virtual Machine in vCenter Decommissioning Servers.

Snapshot Management, vRops Agent Install. log insight Agent Install. Dell PowerMax configuration

Work on Bluecat the network DNS IP address and Dell Power BI monitor.

Configure Static IP on windows Server 2016, 2010 and all.

Site Maintenance Alert Status to check the ongoing activity troubleshoot & Site Reliability

Deploy PCNS OVA file in vCenter, Configure PCNS Appliance in vCenter

Rectify Memory DIMM issue, Disk issue PSOD by vcenter,

Network Flow Bandwidth monitoring using NOC

Create SOP and Upload documents to SharePoint

Creating virtual Data Center, cluster, Host, resource pool and VM.

Working on HA and DRS Functionality

Open Dell Service Request, Coordinate, Support and monitor.

Reset the APC UPS.

Environment: Windows 2010, VMware ESX (6.5, 6.7.044), Dell EMC, Power BI, APC, Aruba, iDrac9, Dell Service Request Site,

GE – Schenectady, NY Oct 2015 – Mar 2019

Linux System Engineer / Middleware Engineer

Responsibilities:

Installation Packages using yum and rpm.

Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart

Worked on installing applications Docker and Kubernetes (Test Basis).

Managing images configure and deploy Docker Container.

Jumpstart, configured, updated Linux servers with.

Installed, configured, and updated Linux machines, with Red Hat, Debian, and CentOS.

Troubleshoot, analyze and resolve computer problems related to both Windows and Linux.

Deploy new equipment and install applications, which enable the customer to perform their job function on updated equipment which leads to higher work output.

Developed holistic solutions by analyzing client needs and employing critical thinking in the development of specifications and the evolution of design, implementation and test

Designed systems Red Hat Enterprise Linux 6 and AIX 5L

Significantly increased storage space; analyzed and matched workloads to a cost effective solution

Worked on Windows Active Directory.

Created shell scripts and cron jobs that monitored and reported security issues

Managed VPN user and Active Directory by resetting passwords, unlocking accounts, adding users, and GP

Archived, created and migrated mailboxes using PowerShell on Exchange 2010 in a cluster environment

Participated on a 24/7 on-call helping clients using Windows 7 and Mac OS systems in a VM environment

Configure Cisco ISE-PIC, Firepower, Stealthwatch

New implementation work which includes integration into applications. The Administrator will implement per Engineering's recommendations and documents.

Vault all Administrative accounts and passwords CyberArk.

Remediate all failures from vault imports and Site Reliability engineering.

HPSA build plans for installing and configuring software like Microsoft SQL Server, IBM WebSphere, etc.

HPServer Automation (HPSA) for provisioning Physical and Virtual Servers (Windows and Linux).

HPSA is a specific HP product manage servers.

Customize ServiceNow applications and facilitate rollout of new applications and modules and configure Application UI and Configure Workflow

Collaborate effectively with other ServiceNow administrators to develop solutions and handle general updates and configuration changes/requests

Configuration management push and pull from Linux from Gitlab,

Environment: AIX 5x, 6x, 7x, IBM Power7, Power6 and Power5, PowerShell, VIOs, NPIV, RedHat LINUX 5.5/6.3, Ubuntu, Windows, Oracle, DB2, Sun Solaris 9/10,SQLserver, Korn, Oracle RAC, C Shell, Yield Book, Razor, Vsphere, HMC, Tibco, HACMP, GPFS, VMware, CA Spectrum, CA EHealth, Netapp, TSM, Symantec Netbackup, Hitachi VSP, Hitachi Command Suite, Hitachi storage navigator, HUR, SI, TC, TSM, CSM, IBM XIV, SAN SVC, NAS, Autosys, TPM V7.1,CA Service Desk, Apache Webserver, MQ, Websphere Application Server & UNIX shell scripting.

Reach Media Network Inc-Eden Prairie MN Feb 2015 – Oct 2015

Linux System Engineer

Responsibilities:

Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.

Build and release software baselines, code merges, branch and label creation and interfaced between deployment and infrastructure

Responsible for Deployment, management, automate, and installation of servers via scripts, VMware, Chefand Salt.

Installation of Redhat 6/7 using Kickstart

Performed installation and upgrading with the YUM for RHEL and YAST for SUSE and Installation of Redhat 6/7 using Kickstart

Worked with Azure deployment

Performed all necessary day-to-day GIT support for different projects

Used ANT and MAVEN as a build tools for the development of build artifacts on the source code

Installed, configured, and maintained services such as Apache Tomcat and tc runtime for clients with more than 100+ Linux servers.

Performed Continuous Integration, building and administrating using Jenkins

Installed packages, run Cron jobs, and over-all configuration management of Linux servers using VMware and chef

Provided administrative supports and performed branching and merging operations using GIT

Monitored server, services and application performance using Nagios

Used Bash, Perl, and Python shell scripting for monitoring and to automate the build and deployment process.

Used AWS (Amazon Web Services) services such as EC2, Amazon S3, Amazon RDS, and Amazon VPC etc.

Worked with various types of filesystems, and volume management solutions: ZFS, LVM, VxVM, and SVM.

Worked Extensively on VMware Installation and configuration ESX hosts, Managing vcenters and datastores.

Performed Monitoring, Patching and handling Security Using Red Hat Satellite Server.

Worked with storage teams to configure NAS, EMC SAN and iSCSI configuration.

Upgraded and documented veritas storage foundation, from version 4.1 to 5.0 MP1.

Administered Oracle database using Veritas cluster; and also in RAC environment.

Ensured properly secured systems and appropriate policies / monitoring using SELinux, password aging, firewalls/iptables and PAMs.

Installed and Managed different protocols LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, UDP, TCP/IP, FTP, SSH, DNS, NFS and NIS.

Administered VAS / QAS (vers 4.0, 4.1) in user authentication via AD.

Coordinated with vendor support in unresolved situations, providing them with various reports with: SUN / veritas explorer, dumpadm, core dumps, sosreports, guds reports etc.

Responsible for reviewing all open tickets, resolve and close any existing tickets as per its priorities.

Performed Tuning of kernel parameters based on the application/database requirement.

Configured NIC bonding on RHEL, and IPMP on Solaris systems.

Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.

Participated in various DR test scenarios, using sungard facilities, as we as with SAN SRDF R1/R2 devices options.

Completed various server migration efforts, going from Solaris / AIX to RHEL, or from physical environment, to virtual.

Used servicenow for ticketing system, and CMDB (Configuration Management DB)

Coordinated with developers, business analysts and managers to make sure that the code is deployed in the production environment

Environment:Redhat Linux 5/6/7, Solaris 9/10/11, AWS, Veritas Cluster Server, Solaris Volume Manager, Jumpstart, Kickstart, Veritas Net Backup, HP BL460, BL685, Sun X3-2, X3-4, Sun M8000, M5000, M4000, M3000, Sun Fire T1000, T2000, HP DL 380, 580, VMware, RH Satellite Server

First Texas Bank–Georgetown, TX Feb 2014– Jan 2015

Linux/Unix System Engineer

Responsibilities:

Installed, Configured and Administration of RedHat Linux 6.x, comprising of testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.

Involved in installing, configuring, maintaining and troubleshooting the BEA WebLogic Application Server 8.1,9.2,10.3,12c on Sun Solaris 10.0/11, RHEL 5.0, 6x, Windows 2003/XP Servers.

Worked on Migrating AIX to redhat and Solaris servers.

Installed and configured Solaris servers using Jumpstart, configured/maintained Zones, LDOMs, ZFS pools on Sun Solaris 10 Servers.

Installed packages, ran Cron jobs, and over-all configuration management of Linux servers using VMware.

Managed packages using RPM/YUM on RedHat Linux and maintaining patching on Solaris servers.

Worked on various SAN Fabrics (FC SAN, iSCSI SAN) and NAS storage.

Performed Creating and of cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.

Configured Multipath, Powerpath, adding SAN, creating physical volumes, volume groups, and logical volumes.

Created file systems on LUNs from SAN environments, which included EMC Symmetrix /Clariion series.

Designed Firewall rules for new servers to enable communication with application, Oracle 11g

Installed and configured MySQL database server, Oracle data base server in RHEL 6,7

Worked with various types of file systems, and volume management solutions: ZFS, LVM, VxVM, SVM.

Worked Extensively on VMware Installation and configuration ESX hosts, Managing vcenters and datastores.

Actively participated in periodic Disaster Recovery (DR) test activities.

Configured and monitored NFS environment and Worked on various protocols: HTTP, UDP, FTP, TCP/IP, DHCP, DNS, NFS, NIS etc.

Configured NIC Bondings on Linux and IPMP on Solaris for redundancy of network interfaces.

Assisted in configuring and deploying Oracle 8i, 9i and RAC 10g.

Configured and performed troubleshooting of Symantec Enterprise Security Monitoring Tool.

Handled JBOSS application server PPM/Quality Center application

Performed tuning, and troubleshooting of SUN solaris / RHEL systems using tools like cppweb, and in-build tools: vmstat, iostat, sar, top, prstat, free, prtconf, netstat etc.

Performed user Management through Powerbroker, and NIS.

Managed systems routine backup, scheduled jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Performed Shell Scripting (bash, python, ruby) to monitorlogs, disk space, services and process.

Performed documentation, reports and presented weekly system status report.

Environment:RHEL 5/6.x, OEL 6.x, Solaris 9/10/11, HP Proliant BL460, BL685, DL 380GS, IBM- AIX RS/6000, pSeries 575, 590, 650, Sun Fire (V215, V240, V440, V480, X2250, X2270, X4170M2, T1000, T2000DI), SPARC Enterprise M3000, M4000, T5120, T5140, Veritas Cluster Service, Veritas Volume Manager, VMware Virtual Client, Kickstart, Jumpstart, JBOSS, WebLogic,EMC Symmetrix/Clariion.

Sharjah Islamic Bank, Sharjah UAE Oct 2008 – Dec 2013

Data Center Administrator

Responsibilities:

Installed, Configured and Administration of RedHat Linux 6.x, OEL 6.x, Solaris 10/11 and AIX System administrator comprising of testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.

Trouble shoot servers, switches, and client systems, cable patch panels, install operating systems, installation of Dell blade servers client machines, set up remote desk tops, upgrade systems, fiber channel switches, workstation builds and repairs

Performed Creating and of cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.

Production Support on RedHat Linux Systems in a 24/7 Production Environment to ensure maximum availability of all servers and applications.

Provided software for the entire engineering and developer staff

Provided infrastructure so that internal locations could communicate through the main lab

Linux Server Decommission and Build.

Delivered excellence in customer service through situational analysis and timely resolve of escalating problems

Storage configurations in Linux.

Racked and cabled all equipment for enclosures

Ensure end of day and start of day processes are completed successfully and the on line system is made available to the user on time.

Sort out and arrange distribution of the end of day and on demand reports to concerned users as per distribution lists and reports requested.

Monitor Applications, Batch Jobs, ATMs, Network, and Database performance and conduct periodical systems performance tests and take appropriate corrective measures where necessary including vendor’s liaison and maintenance of log and control sheets.

Coordinate, administer the scheduling, processing and testing of the jobs, patches/fixes and new procedures supplied (or) developed for Electronic Banking, Ancillary systems, Host Applications and related Hardware platforms.

Execute at scheduled intervals Housekeeping and regular jobs such as Backups, File Reorganization, Archives, Restore and Recovery of Databases.

Ensure regular servicing of computers, ancillary systems and support equipments (A. C. units, UPS, Generator, etc), adherence of access restrictions to computer/machine rooms to authorized personnel only, up keeping of the computer/machine rooms environment including temperature controls to prevent exposure from any disaster.

Coordinate with and provide quality based assistance to users so that systems and services are used properly and effectively.

Application Administration of EQUATION (Core Banking Application) and responsible to resolve Problems in End of Day Process for EQUATION Unit

Environment: AS400, Linux, Windows, IBM i (i5/OS, OS/400)

Akij Group, Dhaka, Bangladesh Jan 2008 – Sep 2008

AS400 Administrator

Responsibilities:

Oversee the day-to-day operation of scheduled system processing.

Maintaining integrity of software and data libraries.

Scheduling and monitor execution of cyclic applications using ROBOT product suite.

Implement and troubleshoot object level security related issues.

Provide support and maintenance for all iSeries OS and related components to ensure high levels of availability and security of the supported business applications.

Participating in the planning and implementation of policies and procedures to ensure that system configuration and security is consistent with company goals, industry best practices, and regulatory requirements.

Performs installation, upgrade, configuration and administration of all operating systems and hardware on iSeries Systems with the support of Vendors.

Participating in supporting application developers and users iSeries operating systems.

Provides after-hours and weekend support as needed.

Monitoring and audits iSeries system utilization and performance.

Maintaining and preparing documentation of configuration, procedures and practices.

Provide performance tuning and automation for repeatable maintenance tasks on iSeries OS.

Responsible for high availability AS/400 systems and disaster recovery.

Using MIMIX.

Managing MQ channels & Q's.

Maintaining and troubleshooting BRMS (Backup Recovery media services).

Managing 3rd party applications interface.

Performance tuning - Problem determination and resolution of OS400 related problems (HW-SW).

Install and configure OS 400 software.

Install PTFs as and when required.

Recommending data purge, archive, & acquisition/reduction of hardware.

Experienced in OS upgrade.( V5R3 to V5R4)

Knowledge of OS Upgrade ( V5R4 to V6R1)

Knowledge of LPAR creation.

Using HMC for managing LPARs (Shutdown & Restart partitions and dynamically processor and memory swaping).

Experienced in DR switching.

Environment: AS400, i5/OS, Linux and IBM UNIX version, AIX 5L and Windows,

EDUCATION

MBA from Bangladesh.



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