Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

David NIYOMUGABO

Krakow

Summary

Technical Support Engineer with over a half decade with hands-on experience, known for successfully leading and contributing to high-performing international teams. Skilled in teamwork, problem-solving, and building strong cross-departmental relationships to deliver top-notch customer service. Comfortable working under pressure and meeting tight deadlines, with excellent communication and interpersonal abilities. Addict to Cloud Technology || Azure

Overview

8
8
years of professional experience
1
1
Certification

Work History

Engineer - Cloud Networking & Infra Management

LTIMindtree
02.2024 - Current
  • Provide expert technical support for Azure Networking, aiding customers in network configuration and integration.
  • Ensure timely resolution of support tickets and maintain high standards of service.
  • Collaborate with colleagues and other teams to investigate and resolve customer issues efficiently, minimizing redundant troubleshooting efforts and reducing case resolution time.
  • Supported and managed Azure networking products, including:
  • - Traffic & Load Balancing: Azure Application Gateway, Front Door, CDN, Traffic Manager, Load Balancer
  • - Network Security: Azure Firewall, WAF, DDoS Protection
  • - Connectivity & Routing: Azure Virtual Network, NAT Gateway, Bastion, NVA, Network Watcher, Route Servers
  • - VPN & ExpressRoute: Azure VPN Gateway, ExpressRoute
  • - Azure DNS(Azure Public and Private DNS Zone), Managing and configurating DNS servers Both cloud or On prem based.
  • - Implementing and troubleshooting SSL/TLS certificates for secure communication for issue related End to End TLS, or TLS termination
  • - I troubleshot and optimized cloud-based reverse proxies, caching mechanisms, and performance using NGINX in conjunction with Azure Application Gateway and Azure CDN, resolving issues related to traffic routing, caching policies, and performance bottlenecks.

Associate Engineer

KOMAG Institute of Mining Technology
04.2021 - 12.2023
  • Provided technical support for software, hardware, and network systems; simulated and resolved client-reported issues.
  • Installed, configured, and maintained servers, virtual machines (Hyper-V), network devices, DNS, DHCP, and Active Directory.
  • Troubleshot network connectivity and system issues.
  • Created knowledgebase articles and maintained accurate documentation of configurations and troubleshooting steps.
  • Managed Active Directory, Group Policy, DNS, and DHCP to ensure reliable network performance and seamless identity management.

Network Engineer

MTN
01.2018 - 09.2019
  • Configuring and managing Cisco routers and switches, including VLANs, STP, EtherChannel, and inter-VLAN routing.
  • Implementing and troubleshooting routing protocols (OSPF, EIGRP, RIP) across multi-site networks.
  • Monitoring network performance using NetFlow, and packet analysis (Wireshark) to resolve latency and packet loss issues.
  • Applying ACLs, port security, and VPN configurations to secure LAN/WAN infrastructure.
  • Performing IOS upgrades, configuration backups, and patch management on Cisco devices.
  • Supporting change management processes, documenting configurations, and maintaining network topology diagrams.
  • Responding to incidents and providing L2/L3 troubleshooting for connectivity and routing issues.

Education

Bachelor's - Industrial And Engineering Technology

Silesian University of Technology
01.2024

Skills

  • Cloud Networking & Infrastructure: Expert in configuring and managing Azure networking services, including Azure Front Door, Azure Application Gateway, Azure Traffic Manager, Azure DNS Azure VPN/ExpressRoute, Azure Firewall, WAF, and Azure Load Balancers
  • Network Load Balancing & Traffic Management: Experience with Azure Load Balancing solution [Front Door, Application Gateway, Traffic Manager, Standard Load balancer (Private Load balancer and public load balancer)]
  • Core Networking & Troubleshooting: Strong knowledge of TCP/IP protocols, OSI model, Layer 2/Layer 3 networking, MPLS, IPsec, VPNs, DHCP, and DNS
  • Proxy & Caching Systems: Hands-on experience with reverse proxies, HTTP/HTTPS proxies, and caching solutions (Azure CDN, Application gateway,)
  • DNS Expertise: In-depth understanding of DNS concepts and implementation, managing Azure DNS and DNS based load balancing solution like azure traffic manager
  • Cloud & Virtualization Technologies: Knowledge of Private, Hybrid, and Public Cloud architectures, Windows/Linux OS, and Azure Virtual Technology
  • PowerShell, Command Prompt, Azure CLI
  • Configuration Management IaC: Deploying resources with ARM Template, Basic knowledge of Terraform

Certification

  • Microsoft Certification
  • Azure Fundamental (Az-900): https://learn.microsoft.com/api/credentials/share/en-us/DavidNiyomugabo-3624/8493336936F9DCA9?sharingId=8A84A781C8DDBAA
  • Azure Network Engineer Associate (Az-700): https://learn.microsoft.com/api/credentials/share/en-us/DavidNiyomugabo-3624/231DB7EE9EA624E?sharingId=8A84A781C8DDBAA

Languages

English — C1(Full Professional proficiency)
French — B1(Elementary proficiency)

Timeline

Engineer - Cloud Networking & Infra Management

LTIMindtree
02.2024 - Current

Associate Engineer

KOMAG Institute of Mining Technology
04.2021 - 12.2023

Network Engineer

MTN
01.2018 - 09.2019

Bachelor's - Industrial And Engineering Technology

Silesian University of Technology

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David NIYOMUGABO