Senior Systems Administrator
TSC
Total years of experience :19 years, 9 Months
Implemented & Administration of
HP Helion OpenStack
VmWare vCenter
3Par Storage
HP Store Once
HP Data Protector
Redhat Enterprise Linux
Redhat Satellite 6.2
Redhat IPA Server
HortonWorks Hadoop 2.4
VMware Site Recovery Manager (SRM)
Microsoft Exchange 2016
Microsoft Active Directory
Microsoft Share Point
Secure SFTP Servers
HP Service Manager
HP One View
HP Cloud Optimizer
HP Helion Stackato
• Re Design Zepto R & D architecture
• Re Design Network in UK, Germany, France & Sweden for International universities architecture
• Designed and Configured VmWare ESXi 4 node failover cluster
• Creating storage arrays and assign it to different hypervisors
• Storage performance monitoring which includes disk space, disk health, IO latency, faulty disk replacement
• Coordination with remote engineer in case of remote trouble shooting
• xenmotion Setup
• Thin Clients based on SuSE Linux Enterprise Desktop 10 to reduce network cost
• Integration of SLED user authentication with Novell eDirectory on SLES and using Console one
• IOP’s and storage monitoring
• Integration of VmWare ESXi with ADS for centralized account management
• Vlan setup for each VM environment with cisco layer 3 switch
• VmWare ESXi customized drivers installation to enable 10G Network interface and MTU optimization to enhance vm performance over the network
• NAS Integration with Xen Servers for Bruchast setup
• Utilize all available resources with their max capabilities
• Looking into product life cycle and system bugs for Moveon4, Movin and TopApply projects
• Introducing new technologies and testing them to make sure that they are good enough for product stability
• Coordination with Engineers and Developers for related issues
• Providing systems / networking best expertise and drive operational best practices
• Designed and Implemented GlusterFS in Telemax Germany (under process of installation)
• XEN high availability setup, XEN Motion along with centralized storage
• Live data migration from Germany to UK without downtime using XEN MOTION
• Redesigned Zepto ADS fully integrated with Faisalabad / Islamabad Branches with Centralized Auth and Central Data Storage in UK Cloud ADS Master
• Site-2-Site VPN connectivity between Faisalabad, Islamabad, London and Frankfurt
• Centralized monitoring setup using Zabbix server, agent and proxy for cloud setup
• Alerts configuration for NMS
As a Linux Administrator, I was responsible for the following..
• KVM Clusters based on Centos
• Ceph Storage Installation and Configuration with 6 node cluster 1.5 Peta byte to handle 2500 Virtualized Desktop and Servers for DinCloud Customers in US installed and configured and Centos (currently Operating in Chicago and LA)
• In Chicago (3 Nodes of SSD hosts, 3 Nodes of SAS Hosts, 3 Mons, 1 S3 Gateway ) and same in LA
• Images Migration from NetApp to Ceph and vice versa using RBD export / import
• KVM VM’s XML replication between Centos Based KVM Clusters
• Ceph Performance Tuning, Deep Scrub and other tools to maintain Ceph
• CalaMari Installed to monitor Ceph on RHEL 7
• OpenStack Installation and configuration
• Helped Dev Team Develop our own Cloud structure named as DinCenter, which contains, VM Spin, VM remove, Templates, Cd Images, performing sysprep via API and many features
• Separate portal for customer in which customer can reboot, shutdown, start its VM, setup IP address, reinstall OS from available templates etc
• Roll Base Access to Customer Service team and administrators team
• Integration with OpenVswitch
• S3 Gateway with Ceph Storage
• Familiar with S3 Compatible clients CyberDuck, S3 Browser, s3cmd etc
• Servers installation in LA/Chi via IPMI, BOIS update, finding out faulty disk in storage, coordination with onsite engineer
• Zabbix Configuration, Proxy & monitoring of all KVM/VmWare Customers, storage, network connectivity, VPN, firewall and network up time
• Firewall Configuration for Clients (Vayyata)
• VPN setup (IPSEC), trouble shooting on OpenSwan based VPN on Vyatta firewalls
• Ubuntu Linux / Centos Vlan, Bonding setup to maintain failover
• Trouble shooting for Virtual Desktop/Servers for DinCloud Customers
• Vmware clusters having more than 2000 machines including desktop and servers
• Installation and implementation of KVM clusters
• In depth shell scripting to automate process of KVM machines automation task
• Written customized script of Ceph VM’s backup and restore on roll back basis and different basis depends on customer choice
• VM’s Migration from Netapp to Ceph
• VM’s conversion from VDI to raw and qcow2 to optimize KVM for performance tuning on VM’s for CEPH
• OpenVPN AS setup for US based customer (two node cluster)
• Router / Switch Management of DinCloud Network
• Designed Ceph automated backup system for Virtual machines to perform snapshot recovery using python Django
• Vlan, port setup on Cisco switches
• Automated Firewall setup for customers who are not willing to use vyatta and integration with web based API so customer can perform the same setup using GUI
• Live VM migration using KVM cluster from one node to another in case of load increase on specific KVM host
This is Remote job, I am working remotely from Pakistan for this company, in case of hardware installation or physical stuff, I use to travel once in two months to UK
OS Used : Linux (Centos, Redhat, Debian, Windows 2008 Server, Oracle Solaris)
• Planning, documenting and installation of Sun Sparc Servers
• Development of perl and bash scripts for administration needs
• Planning and implementing of upgrades, patches on all platforms with minimum possible interruption
• Maintain System security from internal and external attacks and VPN configuration
• Providing 1st, 2nd and 3rd level support to NOC and customer services
• Windows Server Administration including ADS and MS Exchange Server 2007
• Installation and configuration of Blackberry Enterprise Server
• Troubleshoot production on live environment, short term and long term actions, capacity planning
• Tivoli Storage Manager Installation and management
• Oracle Deployment on Redhat Servers for Company internal CRM
• Sun Sparc T-5-2 Deployment with DAS for Cisco DSL Services applications like SCABB for one of client to offer DSL services in Irish Market
• Mobile Application Portal Management for Apple, Andriod and BB users
• Kannel SMS Gateway Configuration
• Web Filter Installation for Schools in local Suburbs to block porn
• Installation and Configuration of PRTG for network monitoring
• Configuration and management of Cisco 29xx Switches according to network needs
• Management of VMWare of ESX
• Created VLAN trunking on VMWARE ESX to maintain enhance security of hosts
• Implementation of Cacti and Nagios for Network Monitoring
• Integration Hadoop Library with Apache for large web traffic management
• Integration of ESX and puppet to centralized configuration
• Development of Perl AGI with Asterisk to use Internet Calling Card with hosted PBX
• Installation of Asterisk PBX to connect local and remote branches on internet via VOIP, converted 500+ TDM lines to VoIP, reduced company telephone cost to 80% including local and international calls
I have designed Moving Gulf Telecom Network from scratch, including consultancy, design, implementation of telecom equipment (SS7, Softswitch, Media Gateway, SMS Gateway, VM Ware, Session Border Controller, Firewall, VPN, TRA Legal interception system, Mobile/Fix number portability system and many more)
I have developed complete business plan for Moving Gulf CPS service which have started generating good revenue
I am Responsible for following up till yet
• Implemented all network services on Redhat Linux based servers
• Configured Redhat Cluster Suite for MySQL, Apache based 3rd party application
• Deployed Oracle VM Server for PORTA ONE Machines which includes VLAN (UN TAGGED) to maintain network and interface security
• Configured Redhat Satelite Proxy for Internal servers and securing packaging system to maintain their stability
• Configured Zimbra Collaboration Suite for one of our sister company in Saudi Arabia
• Working on CPS customers to grow our Voice Whole Sale Traffic
• Developed Internet Call Services and created a product named Internet Calling card
• Getting Cheaper rates from voice carriers to assure maximum profit for Company
• Responsible for Designing and Launching new products according to market demand, testing and providing best support to grow share in market
• Management of NOC Problems Trouble shooting for Voice Network
• Responsible for Calling Card/CPS voice quality related Issues
• CPS Customer Services, Calling Card Customers Services, NOC
• Configuration of BGP to deploy IPs’ provided by RIPE
• Installation and configuration of Porta Switch for prepaid calling cards Services (First Talk, Call-n-Talk, 0091 Call, Bangla Call)
• SBC configuration and deployment
• Deployment of NMS systems to monitor network (Cacti, PRTG)
• Installation & Configuration of A2billing for a customers
• Installation & Configuration of SS7 SVI-8000 Media Gateway by Squire Technologies
• Installation & Configuration of Cisco Router & Cisco Switches
• Installation & Configuration of Complete IT Infrastructure including Web Server, Mail Server, Proxy, Backup, Database, HRM Portal, Quick Books Accounting Server etc on Linux and Windows Servers
• Designed & Developed Website for Movingulf (http://www.movingulf.com)
• Installation & Configuration of VoIP Switch for Internet Call Shops
• Taking Care of Mobile Banking and other m commerce customers
• Managing the complete setup on Vmware ESXi
• Always looking new stuff for testing which can enhance our network in all terms and applying new stuff after successful of research
• assessing and recommending improvements to network operations and integrated hardware, software, communications and operating systems
• Providing on Call Support to Network Operations Center in off peak and peak times, handling complex solution in emergency situations
• Maintaining all systems installation, configuration and make sure that all systems are up to date with latest releases
• Performing Advance network programing (scripting) using bash / perl to fulfill business needs
• Documenting All network configuration, modifications, network faults and their resolutions and different kind of new issues discovered by engineers/customers
• Keeping track record of all network procedure and changes made by engineers or myself on paper as well in system database
• Monitoring Network Traffic to ensure optimum performance
As a Senior Linux Systems Administrator my responsibilities were
• Deploying new services on Linux Systems
• Performance tuning and maintaining their uptime
• Updating DNS entries
• Applying regular updates
• Trouble shooting on Linux/Windows Server
• Configuration of Cisco Routers & switch for Customers and company use
• Creating scripts using perl, php, bash on demand
• Deployment of requested features on asterisk based hosted pbx like call forwarding, time based call management, single call to multiple destination routing at same time, Development of new dial plans for new customers and many more
• Deployment and support for Splicecom Maximisers (PBX)
• Taking Care of Talking SIP (Calling Card System)
• DSL System Management (Cisco SCE-1000, CM, SM, SCABB)
• 24*7 Support for NOC
• Network Monitoring using OP-Manager, Cacti, WhatsupGold
• Taking care of VoIP Switch
• Regular Backup of Linux/Windows/Solaris Servers & databases
Projects in during this carrier
• Implemented VoIP Switch for Internet Based VoIP Call Centers
• Installation and configuration of Cisco SCE1000 including CM/SM & Sybase database V3.1.6 including Radius on RHEL-4 ES for DSL Internet Services
• Implemented 2 Node Cluster of Zimbra Collaboration Suite 5 on RHEL-AS
• Implemented Talking SIP for VoIP Carrier Class Services for VoIP Calling Card Customers
• Implemented EoMPLS setup for British Telecom using Covaro CS-811 and CS-410
• Configuration and Installation of Cisco 1841 Router for HDFC Bank Bahrain
• Management of support team
• Trouble shooting of systems during disasters
• Policy Development for EDP & System Operations
• Management of DSL Support Team
• System Performance analysis
• Working on customized solution for clients
• Performance tuning of internal network
• Support on Solaris, AIX clients
• Support for (SuSE, Redhat) enterprise Linux and on other linux flavors
• Support for Novell products (Zenworks, Groupwise, iFolder, Netmail, eDirectory, Secure sentury, sentiment, iManager, Virtual Office)
• Providing monthly performance report of support team to management
• Providing consultancy and solution to new clients on Linux/Unix and Novell Solutions
Administration of 12 computers network
I have studied 41 subjects in this 4 years of degree , my gpa is 3.1/4
RHCE on RHEL - 4
I have studied 26 subjects in this Course , it is recognised by Punjab board of Technical education pakistan
computer science
