Linux System Administrator
Resume:
AHSEN HUSNAIN
***********@*****.***
************@*******.***
Skype: ahsen_husnain
OBJECTIVE
To obtain a challenging and rewarding position in Network /system Administration with an organization which recognizes my true potential and provides me sufficient avenues for professional growth through nurturing my technical skills and competencies.
Passionate, diligent and focused Engineer with 9+ years of cumulative experience as a Network Engineer / System admin / Desktop Support Engineer/ computer hardware Engineer.
Technical knowledge & proficiency in system administration, network maintenance, hardware maintenance, operating systems, Linux, Windows (All versions) & MS- DOS and the willingness to learn and effectively apply new technologies.
Analytical thinker, consistently resolving ongoing issues, often called upon to consult on problems that have eluded resolution by others. Extensive exposure to a comprehensive range of team activities, thrive on working in challenging environment.
Demonstrated problem analysis/ resolution skills, ability to troubleshoot, solve problems quickly & completely.
Excellent client management skills innate ability to build strong, lasting and mutually beneficial relationships.
EXPERIENCE
sep-5-2014-present
Linux system Administrator in Zepto systems Pvt.Ltd. Highly motivated Linux servers expert having four years professional experience. Passion to work in the field of AWS, Linux System Administration, Storage, Backups, DevOps, Linux Infrastructure Deployment, deployment of asterisk platforms, Automation, Virtualization, Cloud computing, Communication and Networking up-to the best of my potential and skills.. Linux System Administrator at QS Unisolutions Limited UK. Implementation of Virtualization Platform (Citrix Xen-server, VMware)
Ensuring all servers backups and schedule cron jobs, VMs migration from one environment to another, snapshots, rsnapshot, rsync, servers log rotation.
Deployed Linux gateway servers.
Skills
Windows 2003/2008/2012
Windows XP, Vista,7,8,8.1,10
Red Hat Enterprise Linux
Centos
Gentos
Fedora
Ubuntu
Debian
● Docker
● Svn
● Ntopng
● Cloud flare
● Cpanel
● AWS
● Mysql
● Apache
● Nginx
● Active Directory windows
● LDAP LINUX
● IPA server in Linux
● Proxy server in windows and
Linux
● VoIP installation and
configuration
● DHCP server in Linux and
Windows
● Remote Access Server In Linux
and Windows
● FTP server In Linux and Windows
● Mail servers windows and Linux
● Mdaemon, Postfix, office 365
● Internet server in windows and
Linux
● Squid server
● Iptable Firewall
● Storage server in linux
● Backup server
● DNS server
● Virtualization open source
Bash scripts with cronjobs for automation of tasks. Deployment of Samba, Squid, vnc.
Deployed Infrastructure monitoring tools Zabbix, Nagios, cacti, ganglia, monitoring user activity using logwatch, real-time logs analysis using io.log, cockpit, netdata.
Server storage, backups, mounting of data, traffic monitoring, bandwidth restriction to clients, backups of incremental data using rsync
Deployed Infrastructure of Rightjobs.pk, Rightproperty.pk, configured Nginx, Apache, varnish, database, Git, SVN, NFS, management of Local, DEV, UAT and LIVE servers in co- ordination with developers.
Deployed Citrix Xen-server with integrated virtual machines. Configured RAID for effective performance of servers according to storage requirement.
Deployed Percona Mysql Cluster for real time synchronization with each node.
Deployed HA for online Failover to switch nodes. Worked on Puppet, DevOps tools.
Deployed FreeIPA, LDAP, FreePBX and mail servers sendmail, postfix, Squirrelmail.
•Deployment of Client server architectures on Linux and windows. Configured CISCO switches 2960, 3650 with end to end connectivity of LAN/WAN and deployed IP Cameras with dedicated PowerEdge servers
Deployment of Centos, Debian, Ubuntu Servers in QA, Demo, Staging and Production environment.
Virtualization, RAID, Storage, backups on AWS cloud. Setup and Configuration of Nagios Server, integrating all clients servers using nrpe service and putting advanced monitoring plugins to monitor effectively giving threshold alerts at warning/critical level.
CSF/LFD configuration, Server hardening of Production servers upto the standard.
Backup of production servers critical data.
Linux OS upgradation up-to the latest version.
Handling of production Database servers, DHCP, DNS, Samba, SFTP restricted access.
Implementing user management policies, tracking record of the activities using customized scripts and logwatch, log.io. Worked on Automation tools puppet, Ansible for user- management of all servers
Deployment of Cluster environment using Load-balancers, Apache, Nginx.
Developing environment for the Developers from Local to production.
Deployment of High Availability (HAproxy) online failover using heartbeat.
Deployment of SVN from local to QA and production environment giving smooth releases though an automated system. Planning of production activities and switching system to latest Operating System.
Setting up Database servers and deployment of Master-Master technology
● vspher
● Xen citrix
● vmware
● Cisco switches
● Cisco Firewall
● Cisco Viop
● Cisco Vpn
● Mikrotik
and Master-Salve replication in production environment. MySQL, SQL Server Administration, MySQL Replication & master/slave configurations.
VMware Work Station and Virtual Machine Manager.
Currently my last project on Docker deployment for zepto training institution. zepto starting training programs and require training labs so I deployed Docker technology for labs.
Systems and Network Administrator OCT-27-2012-SEP-2- 2014
Crescent Bahuman PVT LTD Pakistan.
Working with Crescent Bahuman LTD.
As Systems And Network
Administrator.
Help Desk System usage As technician and administrator LAN Switches cabling discovery, cabling configuration Locations of switches, cabling routes, cable configurations
Local Area Network Build MAP of LAN with users, Switches and node numbers
Stoneage Shops Local LAN and Support, introduction Local City support, Windows standard (PC, Scanner, printer, DSL Support) Quota Server complete activity purpose, limits, temp solution software introduction
Server Room Log Storage, WAN links, UPS, LAN Loops, temp, RFID, HW Change, Cams
NT and Nova Net (Backup) MsBackup, Weekly on Sunday & Monthly (twice) - NovaNet, DATs size etc.
ISA Server tasks Consult Manual for configuration settings and groups rights etc.
Shared Printers on Domain Shared through NM server, win based print server, reports generation is pending.
Exchange Server intro, user management Consult Exchange Server 2000 Guide first for concepts
Squid introduction and support Initial support to add remove user, Basic configuration
Antivirus Server/ Client User support, server reports and configuration
Blackberry Server / user support Operation, user support for backup and mail check
Mail Etiquettes understanding and support Purpose, intro, how to. Apply the standard guidelines on Email, Ms Applications WAN Infrastructure concept, functions and MAP Topology, IP Address Scheme, Equipment and user priority etc.
VOIP, Quantum, Mobi Router support and setup Role, connectivity, functionality, SIP phone Use and configuration and troubleshooting
Network Monitoring Monitor the network equipment’s by solarwinds MAP
RMS Software introduction Support activity to ensure operation MAC Apple equipment’s and tools Operation Support installation and hardware equipment introduction
System Installation & Configuration (Standard machine) Hardware, software lists, licensing issues, IP address, domain/servers
Jr.Systems and Network Administrator Apt-10-2009-
Oct-12-2012
Klash Group of Industries PVT LTD Pakistan. .
As Systems And Network
Administrator.
Work with networking technologies, topologies, and protocols.
(TCP/IP, BGP, OSPF & RIP, SNMP, Multicast, VSS, STP, HSRP, Carrier Circuits, WAN switching).
Understanding of internetworking technologies and tools, including TCP/IP, netflow, access-control lists, policy routing, firewalls, peering, and DNS.
Experience with the management, and implementation of networks
Plan/Execute all technical aspects of voice infrastructure upgrades, installations and enhancements.
Diagnose and troubleshoot wireless, security, switching, phone and other various network-related issues reported to team Lead Own each networking issue through the process from initial creation to resolution
Research and identify solutions to software and hardware issue Diagnose and troubleshoot technical issues, including account setup and network configuration
Track computer system issues through to resolution, within agreed time limits
Talk users through a series of actions, either via phone, email or chat, until they’ve solved a technical issue
Properly escalate unresolved issues to appropriate internal teams
(e.g. software developers)
Provide prompt and accurate feedback to users
Refer to internal database or external resources to provide accurate tech solutions
Ensure all issues are properly logged
Prioritize and manage several open issues at one time Follow up with clients to ensure their IT systems are fully functional after troubleshooting
Prepare accurate and timely reports
Document technical knowledge in the form of notes and manuals Maintain jovial relationships with clients
Administer all installation and maintenance of all system. Assist all engineers in technical operations and ensure utilization of all tools efficiently and prepare all required repair documents and ensure compliance to all organization guidelines. EDUCATION BACKGROUND
Bachelor of computer Science
Virtual University pakistan
Fsc(pre-Medical
Govt college
Metric(science)
Board of education Faisalabad.
PROFESSIONAL EDUCATIONS
RHCSE(Red Hat Certified Engineer)training
CCNA training
Diploma Computer Hardware and Electronic
(Vocational training Institute)Faisalabad July2002 to 2004
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