Mustafa Abdelrahim Email & Phone Number

Dubai, United Arab Emirates

Tested network's performance and created strategies to maintain integrity of overall infrastructure.Provided onboarding and mentoring of newly hired employees, offering positive reinforcement.Installed and managed VPNs, firewalls and anti-malware solutions.Worked in team-driven environments and communicated effectively with stakeholders.Responded to and remedied critical issues that could not be addressed by technicians.Communicated regularly with customers concerning data exchange and technology integration.Reviewed and assessed architecture design, implementation, testing and deployment needs to identify project requirements and costs.Led and assisted technical upgrade projects for clients by working and coordinating with consultants and developers for integrations.Identified computer hardware and network system issues, performing troubleshooting techniques for remediation.Worked closely with management teams to plan, develop and execute technical strategies aligned to client's vision.Oversaw development and implementation of improvements to support and network operations.Played key role in on-going network design, reevaluation and optimization to keep pace with company and client's growth.Used critical thinking to break down problems, evaluate solutions and make decisions.Managed over 100+ servers for 30+ clients with over 1000+ endpoints.

Business Bay, Dubai, United Arab Emirates

Provide second and third line support for server issues, primarily resolving issues as the lead escalation engineer, or as escalating (to vendors as required) within the agreed service level agreement.Handles tickets with customers, including escalated Linux and Windows server issues.Responsible for Hyper-V and VMware clusters (including underlying iSCSI SAN storage).Proven ability to learn, work in self-sufficient manner, problem solve and apply new concepts.Administration of Active Directory (on-premise), Active Directory (Azure AD), O365 tenants, Sharepoint sites and Ubuntu/CentOS/Windows Servers.Administration of applications such as MySQL, MariaDB, Microsoft SQL, Nginx, Apache, PHP and IIS.Create scripts with bash script and PowerShell.Proactively maintain and patch servers.Configure apache, nginx, MySQL, load balancers, clusters and advanced server configurations.Perform root cause analysis for slow sites (viewing access logs, cache hit rations etc) and server performance in general.Manage Veeam/Nakivo backup and repositories.Configure network switches (including VLANS), routers (including BGP) and VPNs.expreienced with Mikrotik, Cisco, Sophos, SonicWall and Fortinet Firewalls, and with HP, FortiSwitches and Cisco switches.

Sudan

•Develop OSS solutions and implement changes based on requirements on Ericsson's OSS Radio/Core system.•Write scripts to handle all related actions that are needed by customers.•Provide automated workarounds and solutions to simplify complex and time consuming telecom operator tasks.•Supply 24/7 on-call support to mitigate data loss risks on delivered solutions.

Dubai

Sudan

Main roles:-•Onsite Ericsson/Huawei OSS operation and maintenance support for customer, day to day tasks from user access to software and hardware health checks on Ericsson’s and Huawei’s Systems. It also involved providing engineering support to users and customers (Operations/changes).•Perform O&M tasks on different multi-vendor systems including:oHuawei tools (Fault Management FM/ Service Desk Management SDM/ Performance Management PM/ Workforce Management WFM/ Centralized Datahub (MOST)/ U2000 RAN/U2000 Transmission)oEricsson Tools ( Ericsson OSS Radio Core 17b/ ENIQ (Ericsson Network IQ)/ LDAP Servers/ OMBS Backup servers/ SO-EM (ServiceOn Element Manager 14B)/ OSS Navigator 2.5 R1B/ Business Object)•Carrying out all tasks listed in OSS system admin guide.•Ensure all performance statistics data is collected and loaded into all performance monitoring tools ENIQ, PRS and Huawei’s multi-vendor PM.•Ensure Network events and alarms are received in OSS/U2000 and sent to north bound Huawei’s multi-vendor Fault Management tool FM.•Maintain and administer OSS Systems networks and related computing environments including computer hardware, systems software, applications software, and all configurations.•Perform Complex data backups on all OSS Servers and disaster recovery operations.•Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems.•Maintain logs related to network functions, as well as maintenance and repair records.•Work with Customer Network Systems organization to collect information from the system and analyze if needed.•Train users in OSS systems use.

Sudan

• Monitoring IT Network Nodes ( Routers, Switches, Servers, Services and Operator shops applications) and also PS Core nodes and IN (Inteligent Network) charging and billing nodes.• Providing First level of troubleshooting, or escalating to level 2.• prepare IT Network status daily, weekly and monthly reports.• follow up with subcontractors to close pending incident tickets.

Sudan, Khartoum

As a computer technician, I was involved with the IT section, contributing in maintenance for company and customers. I also helped in other sections such as sales and purchases Dept plus stock control Dept.