IMRAN SHAMIM

System Engineer / Admin

adbme8@r.postjobfree.com 908-***-**** New York USA Skype: Imran Shamim

PROFESSIONAL SUMMARY:

Experience in Linux consisting of Red Hat Linux V5, V6, V7, KVM, CentOS V5, V6, V7, VMware V5 and V6 and ESXi 5.x and 6.x installation maintenance and administration

Able to plan, install, maintain, and support RHEL/CentOS servers.

Installed, configured, Monitored and Tuned and troubleshoot oracle database Servers, MySQL or PostgreSQL

MySQL DBA Troubleshoot apache, php, mysql, and system problems. Secure servers, block unused ports, remove unused services. Provide MySQL and PHP support, as well as HTML5 and Javascript

Experience in implementing and supporting High Availability Cluster environments.

Windows environment Active directory and migration expertise

OS upgrades on physical and virtual environments.

Understanding of incident management tool - Remedy. Documentation - Maintaining, Updating Technical Recovery Guides for Production and Test servers.

Performed user administration, adding and deleting users and groups with Linux and active directory.

Deep understanding of memory and swap management to improve optimization and performance.

Storage mapping on Red hat/CentOS Linux and creating volume groups, filesystems using Logical Volume Manager.

Installing, configuring, supporting and troubleshooting Linux networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH, Apache, SAMBA and PXEboot along with Kickstart.

Implemented AWS solutions using EC2, S3, RDS, EBS, and Elastic Load Balancer, Auto-scaling groups, Optimized volumes and EC2 instances and Created monitors, alarms, and notifications for EC2 hosts using Cloud Watch, Migrated long term storage to AWS Glacier.

Worked on Nagios to monitors systems, networks and infrastructure.

Experience using ServiceNow for Change/Incident Management

Used Ansible Playbooks to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks. Use Ansible for configuration management.

Experienced in installation of operating systems, packages and patches, adding peripheral, maintaining user accounts, system security, back up recovery, trouble shooting at various levels.

SKILLS

Linux Servers

AWS

VMware operations

ESXi Servers

Provisioning and patching

Red Hat Satellite

User Management

Network Troubleshooting

Decommissioning

Package Management

Disk Management

Monitor performance

Configure and manage Services

RAID Levels

Bash Scripting

Ansible

PROFESSIONAL EXPERIENCE:

General Electric’s

May 2019 - Present

Senior Systems Administrator/Engineer

Provide L1/L2/L3 level support for Windows/ESXi servers running on HP, Dell, IBM and Cisco hardware. Performed Datacenter infrastructure maintenance including racking, stacking, cabling and troubleshooting.

Extensively worked on Installation, configuration of Red hat/ CentOS Linux 5.x/6.x/7.x Windows 2008/2012/2016 Servers on large distributed environment including testing, tuning, upgrading and loading patches, troubleshooting server issues.

Automated the installation of OS on both physical and virtual systems via PXEboot with customized Kickstart files.

Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux.

Used VMware 5.x, 6.x, VSphere, VCenter, VMotion to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts.

Familiar with backup and restore of VMware host server configuration, Virtual Machine backup, snapshot, P2V-V2V conversation with VMware converter 4/5 and with other third party converters, Patch updating, monitoring/reporting, SSH and SNMP and notification of alerts.

Created clones from existing VMs (both live and powered-off) and versed in deployment of virtual machines through clones and templates.

Deployed several VMs from Templates and customized their configurations as-needed.

Performed standard system administration tasks, such as patching, software and hardware upgrades

Configuring and Administering Exchange Servers, SMTP, Terminal Servers, DNS,DHCP, CIFS, SNMP, NTFS, FTP, SFTP, robocopy and LDAP on Windows Server2003/2008/2012 server environment.

Developed, published, and maintained comprehensive information security standards, policies, procedures and guidelines. Security policies, standards, and procedures; Information Security concepts involving confidentiality, RSA -TFA access on multiple

Worked on Disaster Recovery Exercises for DR Plan for Production Servers.

Responsible for helpdesk support using service now ticketing system, inventory and system reporting. Participated in the migration planning, developing, testing and moving the migration process onto full-fledged product.

Responsible for creating AD Users and Groups and assigning permissions. Edited GPO for Windows Update schedules. Created file shares and quotas.

Worked on standard process for advanced group policy deployment management as well as Active Directory users and group’s management.

Migrated Windows Server 2008/2012/2016 servers to Windows Server 2008/2012 as part of large refresh/migration project.

Maintained and monitored system performance in physical (BM) and virtual environment.

Accountable for the network / information installation, administration, security, accountability, user account management, email administration, backup and maintenance on Windows Active Directory network that included Microsoft Exchange, file/print, web, and domain controller servers, and local workstations.

Worked with Ansible modules and arguments, and updated Ansible inventory file with new and latest system information for automation purposes and write Ansible playbooks to automate day-to-day admin tasks

Bash Shell Scripting: Run and make modifications on agent scripts for system audit, cleaning logs, system updates and use bash for day to day activities.

Supported AWS cloud instances running various environments and Managed users, groups, and permissions with the IAM AWS service, along with creating roles to assign to EC2 instances and Spun up multiple EC2 instances with various operating systems.

Uploaded/downloaded object based files to/from the AWS S3 online storage buckets

Dell Technologies

Feb 2015 – Apr 2019

Systems Administrator

Build servers across multiple platforms including Linux. OS installation, patching, upgrade and administration of RHEL/CentOS V.5x. 6.x, 7.x.

Implementation, testing and maintenance of complex and heterogeneous networks consisting of Linux (Red Hat/CentOS).

VMware ESXi 5.x and 6.x installation and administration.

Performed standard system administration tasks, such as patching, software and hardware upgrades.

System configuration/hardening using IPtables, SELinux, permission on Linux servers as well as restricting access to terminals, disabling unnecessary services and securing server rooms

Experience in configuration, management and troubleshooting of NIS, DNS, DHCP, NFS, LDAP, SAMBA, FTP, VSFTP and TFTP.

Monitoring of system performance through Nagios monitoring tool and other tools such as SAR, netstat, iostat, and vmstat.

Experienced with ongoing performance tuning including tuning kernel parameters based on application requirement.

Monitored system performance and prevented resource exhaustion using vmstat, netstat, free, sar, fdisk etc.

Maximize performance on systems dealing with high volume user traffic through analysis of load average, running processes, CPU and memory utilization.

Responsible for resolving connectivity issues using tools such as traceroute, tcpdump, and Wireshark.

Dealertrack Holdings, Inc.

Dec 2013 - Jan 2015

Systems Administrator

Built, racked, and stacked multiple server systems.

•Administration of RHEL/CentOS 5/6/7 includes installation, configuration, testing on both physical and virtual machines.

Expertise in package management using Red Hat RPM, YUM used in several Linux distributions such as Red Hat Enterprise Linux.

Maimonides Hospital

Sep 2012 - Oct 2013

Help Desk Technician

Good at documenting, resolving, analyzing incidents of various computer applications and determine level of support required with help desk ticket tracking while maintain database utilizing the ticketing system of all telephone calls and messages received requesting customer assistance.

Microsoft certified professional

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