Open Source Support Technical Leader
Ibm - Egypt
Total years of experience :23 years, 7 Months
Provide 3rd Line support for Open Source products supported by IBM
Provide regular training sessions
Publish technical materials internally and for public
Propose and suggest ideas and plans for improving and scaling products
support zone
Liaise with other members and team leader for short and long term plans and
setting up vision and mission of the OSS department
Conduct meetings with other team members and sometime external clients for
designing technical solutions and putting business plans
Contribute to some technical community forums
Manage My Vodafone application infrastructure which are Redhat Enterprise
Linux RHEL based servers with Tomcat 7 hosted in Amazon AWS Cloud
· AWS infrastructure and resources regular Security, Performance, and Cost
Optimization.
· Manage some resources in Azure Cloud.
· Regular deployment of new software releases
· Troubleshoot technical issues in Infrastructure, or platform via internal
ticketing system.
· Design and enhance monitoring and alarm system with Cloudwatch and
Nagios
· Write scripts with Bash, Perl and PHP to Automate tasks
· Technologies Involved: RHEL and CentOS 7 based Linux, Apache Tomcat 7,
Apache 2 Web Server, MySQL Database, Bash and Perl Scripting, Monitoring
with Amazon Cloud Watch, and Nagios, AWS, Azure, Docker, Redis, GIT,
Bitbucket.
Engineer in the AWS Premium Support.
Provide Premium Support to Amazon Web Service clients by email and over the phone for all areas in the AWS eg: EC2, EBS, S3, ELB, Networking, Cloud Watch, Auto Scaling, Route 53, and others.
• Deployment and Support OpenStack Cloud Computing system which is Linux Redhat Enterprise Linux 6 / CentOS 6 based in an academic institute
• Manage Linux HTTP, DNS, DHCP, SMTP, and MySQL Database servers.
• Manage Backup Server and Disaster Recovery
Linux Servers patching and enhancement of security and performance.
• Implementation of IaaS, PaaS, and SaaS.
• Deployment and Support Bright Cluster Manager for High Performance Computing (HPC) based on Redhat Enterprise Linux in an academic institute
• Install, configure and troubleshoot x86 Blade servers
• Install and manage monitoring server using Nagios, MRTG, SNMP
• Implementation and management of SAN Storage IBM V7000
• Train new staff and supervise team of engineers in projects.
installation and Administration of Linux RHEL 6, Centos 6 and Windows servers (web, mail, DNS, and file servers)
· Manage the company’s SAN (IBM V7000)
- Support and Administer AD, Group policies, Exchange 2007, and IIS
· Pay much attention to system and network security include firewalls, Access Lists, Network packets analysis for hacking and unauthorized access detection, apply username/passwords schemes on many services and resources.
· Setup and maintain the VPN
· Perform auto backups and recovery plan.
· Setup and manage Load balancer
· Configure and maintain subversion repositories
· Regularly check and enhance performance
· Users and groups management
• Deployment, configuration, performance of Linux RHEL6 and Windows 2003/2008 Servers (Physical and Virtual machines) in Web based environment for Bristol City Council on-site and remotely
• Setup kickstart files, PXE environment, and DHCP for auto OS and packages installation
• Configuring Puppet master and clients to centrally and auto manage servers configurations using custom built modules and manifests
• Setup and configure Webistrano which is a Web User Interface WUI based continuous integration, task included writing custom recipes with Ruby
• Write bash and ksh scripts to automate tasks include updating the database using binlog and sync data, assets, Zeus traffic scripts rules across all environments
• Install and configure Zeus Traffic managers in standalone and cluster environment
• Performance tuning of PHP platform, Drupal content management framework, and MySQL Servers
• Documentation writing
• Responding to questions and requests from developers and other teams in the Council
• Installing and troubleshooting NFS for file sharing
• Install and configure Nagios for monitoring all hosts and services for their client
• Add change some firewall rules and proxy Access Lists
• Main technologies used: Redhat Enterprise Linux 6, Windows 2003/2008, Windows XP, AD, Apache 2.2.15, PHP 5.3, Drupal 7, Puppet 2.6.8, Zeus 7.3, Webistrano 1.5, MySQL 5, Kickstart, DHCP, PXE, Subversion, and Nagios
• Manage the Linux (Redhat Enterprise RHEL, Centos )/ Unix (Solaris, AIX) and Windows 2003 servers and all the web services include Apache, Tomcat Java applications servers that form the Guardian front web site - physical servers and virtual machines
• Provide support to Ubuntu Desktop users
• Manage the deployment and updates of software applications releases
• Managing servers configurations with Puppet
• Build and test and manage some staging and QA environment servers
• Enhance the stability and availability of the Web and MySQL databases server cluster/load balancer
• Administer the Backups
• SAN management (IBM V5000)
• Respond to queries that come from developers and internal staff via Remedy, Email and telephone, usually to troubleshot problems in systems, network or install new product
• Configure Zabbix and Foglight for system monitoring
• Use and troubleshoot SVN and CVS
• Fix problems that reported by the cron jobs
• Maintain the performance and security of the web servers that mainly use Apache, Tomcat, and Database servers that use MySQL and PostgreSQL
• Deploy and build new servers and applications as needed
• Troubleshoot and provided permanent resolution for system, network, and web hosting related issues.
• Design and suggest solution to meet business need in regards to scalability, performance, and high availability specially that belongs to the web applications and MySQL databases.
• provide scripts for various purpose include, Nagios Plugins, SNMP based monitoring, web log analysis, and system automation.
• provide Windows Desktop & Ubuntu Desktop support to internal staff .
• Main technologies used: Linux, Solaris 10, Apache, Tocmat, MySQL, PostgreSQL, SVN, Zeus traffic manager, Perl, PHP, Bash scripting, DRBD, OpenLdap, Drupal, Sakai, Vmware ESX., Winodws XP
• provide 3rd Line support to BBC Linux/UNIX based web hosting infrastructure, include bbc.co.uk web site, Database, DNS, DHCP, Mail, and database servers.
• Projects included migration and open source software deployment and upgrade.
• Managing and supporting the BBC developers environments (e.g. subversion) and deploying, and configuring open source software include Drupal CMS
• Scripting with Perl and bash to automate tasks and produce programmes for different kinds of checks like Nagios Perl plug-ins
• Manage the F5 network load balancer
• Main technologies used: Linux, Solaris, Apache, Tomcat, Squid, MySQL, Bind, Exim, Perl, Bash scripting, TCP/IP networking, Nagios, MRTG, SNMP, LVS, Redhat Cluster Suit, Amazon Cloud EC2, Puppet, VMWare ESX, Virtualbox, Big IP system
Linux Systems Administrator - Permanent
(AUG 2003 TO: OCT 2008)
EMPLOYER: NetBenefit - Managed hosting company, London, United Kingdom
Reason for leaving: I had to travel away from London for long time for personal issue.
Responsibilities:
1- System Administration & Engineering:
That included:
• Installing, upgrading and optimising Linux Servers, - Redhat Enterprise, Centos, Debian, SUSE, Solaris and all required services and packages and design LAMP solutions.
• Managing monitoring, patching, and backups and recovery of systems and shared services
• Maintain Linux servers stability and scalability
• Deploying and configuring services running on Linux like Apache HTTP Servers, MySQL databases, Exim Mail servers, or DNS according to the critical needs.
• Scripting with Bash, and Perl to automate tasks and enhance the existing ones as necessary
• Project work, and also experience in leading team in projects
• Verify and authorize Change Control requests as part of the ITIL process
2- Support and Troubleshooting
• Perform 3rd line support for troubleshooting any problem in Linux/UNIX servers mainly / Solaris and insuring SLA's are met, and provide root cause analysis and permanent fix. The same for Linux bases services and applications that include: Apache and Tomcat sites, MySQL databases, SMTP Mail service (Sendmail, Exim4, postfix, and Qmail), BIND DNS, FTP, LDAP, Samba serves, Perl/PHP/C++/HTML/XML scripts, open source software, networks, and firewalls.
• Respond to corporate clients who contact by phone or emails.
• Liaise with 3rd party vendors for new the software products.
• Troubleshoot Windows 2000/2003 server problems which include core system, IIS, .NET applications, Active Directory mainly for the internal staff network.
- Network management and troubleshooting, managing the Windows NT Server 4.0, Windows 2000 Server and Linux Redhat servers infrastructure and staff/users desktops running different versions of Windows and Linux.
- Instruct courses in Networking, Programming, Windows, Linux and Internet
Post Graduate Diploma in Information Technology with Overall grade "Good" Institute of Graduate Studies and Research (IGSR) - Alexandria University - 1998
B.Sc. in Telecommunication with overall Grade "Good" Alexandria University - 1996