Ziad Qarabash
Canada, Gatineau,QC
Summary
Network Engineer with extensive experience in network and service operations, service performance analysis, and project management. Possesses a firm understanding of information security (Fortinet, Palo Alto, Check Point, Cisco), IT networking, and Mobile network technologies, including 5G, LTE, 3G, 2G
Overview
11
11
years of professional experience
Work History
Network Security Engineer
SecureOPS/Motorola Canada/Biomerieux/Hermès
08.2021 - Current
- Manage global infrastructure and networks
- Establishing and managing the security infrastructure to ensure robust protection
- Conducted regular security patching
- Evaluated potential security threats and established strategies for risk reduction
- Spearheading research efforts to strengthen the organization's security capabilities
- Modify and implement firewall policies and routing configurations to meet customer requirements
- Developed and managed security lists for both AWS and OCI environments.
- Analyze traffic passing through firewalls, IDS, and IPS systems
- Diagnose VPN issues and manage SSL VPN gateways and F5 load balancers
- Monitor service ticket queues and ensure 24/7 availability for critical issues
- Verify the compatibility of security devices to ensure protection against the latest threats and vulnerabilities
- Resolve security issues by replicating customer environments for thorough troubleshooting
- Collaborate with Fortinet, Palo Alto, Cisco, and Check Point technologies to ensure strong network security and optimal performance
- Update and maintain documentation, and develop processes to ensure efficient and effective operations
Network Engineer (NOC)
SecureOPS/Motorola Canada/Biomérieux
01.2020 - 08.2021
- Monitor Operational Support Systems to proactively identify events that may impact services
- Responsible for troubleshooting network connectivity across various devices, including routers, switches, APs, and firewalls
- Provide Level Two network support and front-line customer assistance for carrier network issues
- Escalate issues to the relevant internal teams or external vendors as needed to ensure resolution
- Manage and support Motorola Networks, including DHCP, DNS, firewalls, and AWS
- Review and validate all requests while maintaining proper documentation
- Create and update process and support documentation
- Analyze service performance data and provide recommendations to enhance service quality
- Engage and coordinate with stakeholders and various vendor networks
Sales Engineer (Ontario)
Bell Canada
06.2019 - 01.2020
- Identified customer sales needs to deliver effective telecom solutions
- Supervised portfolio of client contracts
- Addressed issues by escalating to implementation team
Mobile and Wireless Operations Duty Manager
Saudi Telecom Company (STC)
10.2013 - 04.2019
- Supervised for STC MW project and provided day to day technical team leadership
- Developed and planned Mobile and PTP/PTMP Microwave projects
- Led operations activities of Level 2 Technical Support that covers 2G/3G/LTE customers
- Worked on Ericsson core servers and HLR
- Worked on Operations Support Systems (OSS) and Huawei service quality analyst tool
- Maintained network and operation quality, analyzed performance and possible risks
- Troubleshoot mobile network (Core –RAN)
- Managed end to end troubleshooting of mobile services using voice and signaling flow
- Worked alongside the vendor core team (Back-office) for end-end user traces (PDP)
- Analyzed MSC traces of mobile circuits by working in coordination with the core team and identified key problems and resolved data SIM card connectivity issues
- Worked with RF Management to establish design criteria and traffic analysis as needed for network
- Monitored Key Performance Indicator (KPI) and reported the customers experience
- Prepared reports for NOC historical statistics on weekly basis
- Conducted and reviewed the assurance process of Enterprise services
- Produced investigation reports for the critical outages and the solutions
- Managed CPAR profiles for wireless circuits and PDP sessions in Cisco LNS, GGSN & PGW
- Configured and integrated CE Routers that includes LAN (SSID Profile, LAN IP planning, DHCP, DNS, SSH, Telnet, Firewall) - WAN (RIPv2 , EIGRP, OSPF, VPN)
- Handled the Microwave backhaul issues related to SDH, DWDM transmission, and perform the configuration of layer 2 parameters of the MW Network elements (VLAN, Modulation, Frequency and Power)
Education
Canadian equivalency as bachelor degree -
University of Toronto
01-2016
Engineering Accreditation -
Saudi Council of Engineering
Saudi Arabia01-2013
Engineering Accreditation -
Supreme Council of Universities
Cairo, Egypt01-2013
Bachelor of Science - Communications & Electronics Engineering
Misr University For Science And Technology
Cairo, Egypt01-2013
Skills
- Bell Canada: Marketing
- Cisco:CCNP Enterprise
- Cisco:CCNP Security
- Cisco:CCNA routing and switching
- Cisco:SPUMTS Service Provider Mobility UMTS Networks
- Cisco:SPLTE Service Provider Mobility LTE Networks
- IOT (Internet of Things)
- Cloud computing
- 5G Network
- LTE-3G-GSM Optimization
- SDN software defined networking
- ZTE:Microwave NR8000
- Cambridge:Vectastar Network Engineer
- Cambridge:Vectastar NMS Operator
- Dragonwave:Netviewer management
- Dragonwave:Horizon compact advanced troubleshooting
- Team Leadership
- Client Relationship Management
- STC:LTE Planning & Mobile communication
- STC:Non-Cellular Wireless technology
- STC:Design Considerations for Basic Wireless Networking
- STC:Designing the Enterprise WAN and Branch
- STC:PSTN and VoIP Fundamentals
Personal Information and Contact information
Nationality: Canadian
E-mail: Ziad.qarabash@gmail.com
Phone:+14388351667
Linkedin: https://www.linkedin.com/in/ziad-qarabash-34a905a7/
Timeline
Network Security Engineer
SecureOPS/Motorola Canada/Biomerieux/Hermès
08.2021 - Current
Network Engineer (NOC)
SecureOPS/Motorola Canada/Biomérieux
01.2020 - 08.2021
Sales Engineer (Ontario)
Bell Canada
06.2019 - 01.2020
Mobile and Wireless Operations Duty Manager
Saudi Telecom Company (STC)
10.2013 - 04.2019
Canadian equivalency as bachelor degree -
University of Toronto
Engineering Accreditation -
Saudi Council of Engineering
Engineering Accreditation -
Supreme Council of Universities
Bachelor of Science - Communications & Electronics Engineering
Misr University For Science And Technology
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