Resident Data center Engineer DXC Dubai
Halian International
Total years of experience :19 years, 10 Months
Manage & actively monitor the network infrastructure and applications to ensure they are available to the business.
Planned RSA's cloud future by designing and migrating the infrastructure to the cloud.
administration of networks, VPN, backups, administration of Windows, Linux, and Unix Servers, SAN / NAS storage management,
Hyper-V, network switch configuration, firewall configuration, network monitoring, Microsoft Azure Administration
Manage & actively monitor the network infrastructure and applications to ensure they are available to the business.
Planed RSA's cloud future by designing and migrate the infrastructure to the cloud.
Design & maintain IT software and hardware standards throughout and ensure the ideal spend on IT is achieved through detailed cost analysis, negotiations and research.
administration of networks, VPN, backups, administration of Windows Server 2008/12/16, Active Directory & Group Policy Management, SAN / NAS storage management, Hyper-V, network switch configuration, firewall configuration, network monitoring, server monitoring, backup software like Veeam backup and replication and Office 365 administration, Exchange online, Microsoft Azure Administration.
Provided MOI (ministry of interior) datacenter Architecture to hold Hadoop 10 node horizontal cluster, WEB Application integrity and software Load balancers to hardware and DR (Disaster Recovery Solution). Budgeted Total cost of owner ship by optimizing capacity planning for the hardware and software -based solutions.
Responsible for Microsoft Clustering over du (Datacenter) secure channel with PMO (Prime Minister Office) for summit 2018. However, for some security reasons they took the ownership and I was involved some other projects in Egypt and Dubai.
Responsible for disaster recovery, performance analysis and tuning, index maintenance, database replication, high availability, and data monitoring, including administering, maintaining, analyzing, and implementing policies and procedures for ensuring database security and integrity
Responsible to perform Microsoft SQL Server and equivalent DBMS database and application server administration
Responsible to perform database and software lifecycle activities to ensure the highest level of system performance and availability and compliance with business requirements.
Senior System Administrator
Responsible for communication with Rackspace, OVH Cloud hosting for day-to-day tasks.
Responsible of managing Cloud VMs (Linux & Ubuntu) and Citrix Xenservers.
Responsibility to managing Service Provider SSO (Single Sign-on) using Shibboleth-2.6, OpenAM, CAS,
SAML2.
Responsible of Certificate Management and deployment.
Responsible of Citrix Xen Hypervisor deployment and management
Responsible Managing Backups, Restoration (MySQL, Apache, Application Logs) using logstach Kabana &
Bash scripting.
Responsible of managing MYSQL Percona Cluster as load balancer and failover nodes, Using HAProxy as
front end with heartbeat/Failover
Responsible of Mongo DB instance management, Backup, restoration and scripting in Yamal.
Responsible of managing PHP, Zend application integrity.
Responsible of managing Nginx and Apache nodes.
Responsible of managing HA-Proxy for MYSQL cluster and NodeJs Servers
Responsible of deploying DNS Server (bind9) and DHCP Servers over the cloud and local intranet.
Responsible of Firewall, Iptables, TCP Wrappers, assignments and management
Linux VM’s management and deployments over Xenserver (6.2 & 6.5)
Worked on recent releases of Ubuntu 16.4, 14.4-2, CentOS6, 7 and Debian -8 and redhat OS Versions.
Responsible ot Linux hotfix and online deployments.
Deployed Local Repo Server / Mirror Server for local intranet.
Deployed Automation using puppet and bash scripting.
Exercise judgment in decision making in order to routinely deliver Fanatical support and Power
administration.
Proactively address potentially impacting server issues.
Responsible for communication with Rackspace hosting for day to day issues.
Responsible for Strategic planning.
Responsible for Security planning & design.
Responsible for solving a Microsoft Windows and SQL technical issues.
Responsible for creating a backup and recovery plan.
Responsible for Security Incident Reporting.
Responsible for Security Incident Investigation.
Responsible for Data & Web applications Integrity.
White-Box Testing:
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Design and ensure all necessary scenarios are covered in the designed automated tests to improve the
efficiency of software testing processes Assist team members with unit test formulation
Writes code according to agreed standards and using the standard template, within the project deadline
Ensures the correct use of iteration and control structures in the code, as per agreed standards
Maintains unit tests as required by the team for a particular set of software that requires testing, for regression
and other testing purposes
Maintains testing tools that have been authored internally for the purposes of testing software
Maintains software test cases so that they are up to date and can be referenced as required
Ensures that the functionality of the software corresponds to the specifications within the project schedule and
agreed deadline
Tests the developed software to ensure that it meets quality standards, within the project schedule and agreed
deadline
Reviews the Defect Tracking System reports on a regular basis
Enters precise and understandable bug descriptions on the Defect Tracking System whenever these are
identified
Ensures that the correct priority is allocated to all bugs entered on the Defect Tracking System.
- Administering, Design and implementation, Routing Protocols RIP, EIGRP, OSPF, BGP and different hardware platform of routers 7600, 7200, 3800, 2800 etc. and its components. Switching L2/L3 and different platforms of switches CISCO 6500, 3500 and 2900 Series. Firewalls, VPN, Internet Proxy, E-mail filtering.
- Wireless technologies: MikroTik HotSpot Gateway providing of public network access for clients using wireless or wired network connections. Authentication of clients using local client database, or RADIUS server, Accounting using local database, or RADIUS server, Walled-garden system (accessing some web pages without authorization). Field installation Point-to-Point, SECTOR Controllers, CPE's & Microwaves devices.
- Emerging Markets Communications, Inc. & Skyvision are provider hybrid global satellite and terrestrial communications: Administrating & Manage Backhaul networks/ links from teleports to POP sites, Resources & Capacity Planning, Link Budget Analysis, Video Encoding & Encryption Systems, Deploy value added services like Video (IPTV, VoD, Streaming), VoIP. Develop Interception Plans for Law Enforcement Agencies. Product development of Satellite Terminals/ Modems, Frequency planning & coordination, Licensing management.
- Responsible for Optical fiber cable splice, testing and termination .This include both type of splicing technique (Fusion, Mechanical) Experienced with OTDR equipment to perform the proper cable testing.
Administering & designing On with AD, DNS 2003/2008 Implementation and Deployment. System administration; high-level design and specification. Administering & designing on with Terminal and VPN services implementation, Virtualization Technologies such as VMware, Citrix and Hyper-V, System Center 2007 Products like SCOM, SCE and SCCM, Working Knowledge of DHCP, DNS, and Wins, HTTP, NNTP. Installation, configuration and maintenance, Clustering, Load Balancing. LAN/WAN implement and support for Microsoft TCP/IP, HUBS, Switches, Hardware Layer design. Administering & designing on Experience with Firewalls. (Astaro gateway, Checkpoint, SonicWall) Large scale implementation and maintenance for VPN, IPSEC, Digital Signatures, Packet Filtering, Kerberos. Antivirus & Filtering Solution, Microsoft Forefront Server, Administering & designing on Exchange 2007 Anti-Spam/Anti-Phising, Connection Filtering, SMTP Filtering, Content Filtering, Outlook Smart screen Filter (JMF), (ISA) Server 2006 is the integrated edge security gateway, Integration with ADS Group Policy, SharePoint integrates multiple scan engines, Centralized reporting, notifications and alerts. FreeBSD, OpenBSD, Solaris, Linux: Sys Admin skills with a very good understanding of the Linux Operating System and all of its services, Shell scripting to automate tasks as needed. Email server maintenance, configuration, monitoring and troubleshooting (sendmail, postfix, exim, Qmail, spam assassin, ClamAV, etc) . Web server configuration, maintenance and troubleshooting (LAMP, tomcat, lighttpd, Configuration and troubleshooting (ftp, dns, dhcp, Nagios, cacti, system hardening vpn, smb/nfs, etc). Storage Area Network (SAN) and Consolidation. Created and presented a business case justification, budgeted, procured and implemented a Storage Area Networks (SAN), Virtualization technologies (VMware/Microsoft Virtual Server 2005) as well as server, site and service consolidation. Improved fault tolerance.
DISASTER RECOVERY AND BUSINESS CONTINUITY:
Planned and tested the implementation of Business Continuity plans and Disaster Recovery.
Implemented highly available systems, MSCS clusters, SANs, tape backup and implemented data
migration plans over multiple sites to ensure both Recovery Point Objectives (RPO) and Recovery
Time Objectives (RTO) could be met.
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