Swimming
Ahmed Amri
Senior Network Engineer
Prague,Czech Republic
Summary
Successful Senior Network Engineer accomplished, worked in various roles from operations to implementation in managing enterprise-wide networks for large-scale operations. Plan, implement and continuously improve infrastructure and controls to stay on top of changing operational and security demands. Expert in disaster recovery and business continuity planning.
Overview
12
12
years of professional experience
10
10
Certificates
4
4
Languages
Skills
Ability to complete and manage tasks under heavy workload
Work History
Level 3 Network Engineer
NTT
11.2023 - Current
- Managed, tracked, and coordinated problem resolution and escalation processes.
- Monitored network capacity and performance to diagnose and resolve complex network problems.
- Integrated fixed wireless connectivity into facilities requiring high-speed networks.
- Deployment of windows server 2019/2022, configuring services like DHCP, DNS, AD (active directory), Domain controllers.
- Deployment Cisco ACS and ISE (configuring TACACS and Radius authentication and 802.1x).
- Escalated emergency technical issues beyond knowledge to maintain optimum up-time.
- Assisted with implementation and support of network monitoring tools.
- Performed troubleshooting for Aruba, Cisco, and packet analysis.
- Configured, tested and maintained LAN/WAN/WLAN components and connections.
- Provide remote technical support to customers.
- Remotely assist onsite technicians and end users/customers with installation (Cisco Access points, switches, routers).
- Remote troubleshooting and debugging when issues are encountered during initial installation.
- Identifying root cause of incidents.
- Performing network infrastructure software upgrade( Aruba/Cisco).
- Performing basic python codding/automation.
- Analyzed, identified and resolved complex network hardware and other type of problems related to (WAN/LAN/WLAN).
Senior Network Engineer
NTT
04.2018 - 10.2023
- Provide remote technical support to customers.
- Remotely assist onsite technicians and end users/customers with installation (Cisco Access points, switches, routers).
- Remote troubleshooting and debugging when issues are encountered during initial installation.
- Identifying root cause of incidents.
- Escalating critical issues with internal teams and vendors.
- Basic experience with Cisco ACS and ISE (configuring TACACS and Radius authentication and 802.1x).
- Perform IOS upgrades for Cisco devices (routers, switches, Standalone Access points, WLCs).
- Install and configure Cisco network devices (routers, switches, Standalone Access points, WLCs).
- Ensure resolution of incidents and service requests.
- Participate in performance reviews, identify root causes of performance deficiencies and provide suggestions for improvement.
- Reviewing all recurring or particularly serious incidents and managing them through problem management process.
- Monitor network activity to quickly identify and resolve operational and security issues.
- Perform troubleshooting for Aruba, Cisco, and packet analysis troubleshooting.
- Planned and implemented effective disaster recovery and business continuity solutions.
- Improved network operations by incorporating new technologies into existing designs.
Senior Network Engineer (Freelance Project)
Global Payments
9 2021 - 10.2021
- Configure, install and maintain network routers, switches, firewalls and load balancers, LAN, WAN, MPLS, Internet, Data Center, Cloud-Solutions, Route, Switch, Firewall, and Load Balancer from multiple vendors.
- Managing Data centers network infrastructure.
- Design and implement of routing protocols for WAN and LAN connectivity BGP and OSPF.
- Troubleshoot production connectivity issues within the environment to resolution.
- Research new technology to determine what would best support the organization in the future.
- Create models to predict future network needs.
- Produce diagrams and documentation required to support environment.
- delivered project of deployment of two new jump boxes.
Change and Implementation Engineer
British Telecom (BT)
01.2018 - 03.2018
- Process and implement complex change requests (Create new subnets and HSRP, add new SSIDs, implement access lists, install and configure switches and access points...). (WAN / LAN / Fixed Voice), monitoring network infrastructures, managing and supporting migrations for WAN / LAN / Fixed Voice services.
- Escalating critical issues with internal teams and vendors.
- Handle and implement complex change requests, (WAN / LAN /WLAN/ Fixed Voice).
- Configure and install wireless controllers, routers and switches.
- Remotely support of on-site technicians and end users/customers with installation (Cisco Access point, switches, and routers).
- Remote troubleshooting and debugging when problems occur during initial installation.
- Upgrading network software and hardware for optimized performance.
- Maximize network performance by monitoring performance, troubleshooting network problems and outages, planning upgrades, and collaborating with network architects on network optimization.
- Manage and connect migrations for WAN / LAN / Fixed Voice.
- Assisted customers in monitoring all life cycles of software implementations.
- Conducted on-site surveys and wrote technical reports to document processes and design changes.
Change and Implementation Engineer
Telefonica O2
04.2017 - 12.2017
- Manage and implement/modify configurations and perform hardware/software upgrades.
- Handle all network infrastructure change requests, implement and troubleshoot complex configurations (WAN / LAN / Fixed Voice).
- Manage and connect migrations for WAN / LAN / Fixed Voice services, monitor network devices and troubleshoot them immediately when a problem is detected.
- Maintain network stability through annual life cycle software upgrades.
- Escalating critical issues with internal teams and vendors.
- Remotely assist onsite technicians and end users/customers with installations (Cisco Access points/wireless lan controllers, switches, routers).
- Execute network projects in collaboration with network designers and sales team.
- Update and create LLD for network infrastructures.
- Worked with technical staff on system testing to complete implementations on time and within functional parameters.
- Assisted customers in monitoring all software implementation life cycles.
- Configured and performed system software changes.
Network Specialist (Incident Management Team)
Telefonica O2
08.2015 - 03.2017
- Manage 8000+ customer networks and daily conference calls with customers and service providers to ensure problem resolution.
- Escalate critical issues with internal teams and vendors.
- Process incident tickets and inform customers of each step taken to troubleshoot and resolve issues, whether network connectivity or telephony services (Cisco routers and switches, WLAN, data and voice for mobile and landline phones).
- Engaging WAN service provider to resolve WAN link failures.
- Performing hardware replacement (RMA) and delivery of hardware devices to customer sites.
- Configuration of network devices remotely upon failure.
- Performing traffic re-routing by affecting BGP metric value.
- Creating detailed technical documentation, including network diagrams, process flow diagrams, and procedural guidelines.
- Identified problems and implemented troubleshooting techniques to reduce downtime and system failures.
- Designed and evaluated WLAN and LAN connectivity technologies.
Senior Service Desk Analyst
TOPNET
12.2014 - 01.2015
- Diagnose and troubleshoot internet connection lines (ADSL/VDSL lines, mobile internet).
- Performing basic checks with customers over the phone (power, cable checks, rebooting router or modem) and then further troubleshooting.
- Remote monitoring of all customer routers and modems.
- Scheduling and performing disaster recovery upgrades for network infrastructures.
- Escalating critical issues with internal teams and vendors.
- Installation of network routers and modems at customer sites.
- Performing initiative configurations on customer modems and activation of Internet lines (ADSL/VDSL, VDSL+).
- Performed security assessments and made recommendations for disaster recovery, remote access, network appliances, servers, and directory services security.
- Created detailed technical documentation, including network diagrams, process flow charts, and procedural guidelines.
- Implemented an automated monitoring system for 24/7 network systems to ensure continuity of operations.
- Set up, repaired, and optimized network by installing and patching cables and equipment.
Senior IT Analyst
Gallérie 7
09.2014 - 11.2014
- Smartphones hardware repair.
- Smartphones software fix and application installations.
- Smartphones diagnostics.
- Responded to user operation issues with desktop computers, laptops, and mobile electronic devices to provide problem resolution.
- Removed, repaired, and replaced components such as LCD screens, home buttons, and charging ports.
- Cleared user data, debugged application issues, and refurbished devices for resale.
- Escalating critical issues with internal teams and vendors.
- Perform quality and fraud inspections on mobile phones.
Senior IT Analyst
TOSHIBA
07.2012 - 09.2014
- Taking customer calls and creating tickets for reported issues.
- Performing remote analysis with customer.
- Performing hardware replacements (laptops and desktop computers).
- Upgrade machine software and hardware (laptops and desktop computers).
- Escalating critical issues with internal teams and vendors.
- Troubleshooting failed drives, alerts, and unscheduled reboots.
- Managed all software and hardware issues for end users.
Education
High School Diploma -
Training Center Mechatronics of Borj Cedria
Tunis 09.2012 - 2014.06
Certification
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation certificate
Interests
Football
Sport
Video games
Travel
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Level 3 Network Engineer
NTT
11.2023 - Current
Senior Network Engineer
NTT
04.2018 - 10.2023
Change and Implementation Engineer
British Telecom (BT)
01.2018 - 03.2018
Change and Implementation Engineer
Telefonica O2
04.2017 - 12.2017
Network Specialist (Incident Management Team)
Telefonica O2
08.2015 - 03.2017
Senior Service Desk Analyst
TOPNET
12.2014 - 01.2015
Senior IT Analyst
Gallérie 7
09.2014 - 11.2014
High School Diploma -
Training Center Mechatronics of Borj Cedria
09.2012 - 2014.06
Senior IT Analyst
TOSHIBA
07.2012 - 09.2014
Senior Network Engineer (Freelance Project)
Global Payments
9 2021 - 10.2021
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation certificate
Cisco Certified Specialist - Enterprise Core certificate
Cisco Certified Network Professional Enterprise certificate
Cisco Certified Network Associate certificate (CCNA)
Aruba Certified Mobility Professional
Aruba Certified Mobility Associate
Deploying Cisco SD-Access (ENSDA)
Stealthwatch for network operation (SNO)
Stealthwatch for network operation (SSA)
Aruba Certified Switching Associate (ACSA)
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