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NTT DATA Logo NTT DATA · IT - Software Development

Azure Networking Engineer L3

Czechia, Prague · Job Posted January 24, 2026
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Job Description

The Azure Networking Engineer (L3) is a senior engineering role responsible for delivering high-quality remote technical support for enterprise customers operating complex Azure networking environments. This role focuses on designing, operating, troubleshooting, and optimizing Azure networking services, ensuring service availability, security, and performance. Through proactive incident prevention, root-cause analysis, and structured resolution, you will restore and maintain services while ensuring zero missed SLA commitments.

Job Responsibility

  • Maintain and execute the support process, ensuring all Azure networking support requests are handled in accordance with established procedures and SLAs
  • Design, manage, and troubleshoot Azure Virtual Networks (VNets), VWAN hubs, subnets, and VNet peering configurations
  • Configure and maintain Network Security Groups (NSGs), User Defined Routes (UDRs), and route tables
  • Manage and troubleshoot Azure DNS Zones, including record creation, name resolution issues, and hybrid DNS scenarios
  • Deploy, configure, and support Private Endpoints and Service Endpoints
  • Configure, manage, and troubleshoot Azure Load Balancer, Application Gateway, Traffic Manager, and Web Application Firewall (WAF)
  • Deploy and support Site-to-Site (S2S) and Point-to-Site (P2S) VPN solutions, including BGP-based configurations
  • Manage and operate Azure Firewall, including policies, rules, and logging
  • Support advanced Azure networking services such as ExpressRoute, CDN, and hybrid connectivity architectures
  • Deploy and manage Virtual Machines (VMs) and Virtual Machine Scale Sets (VMSS) with a networking focus
  • Monitor, analyze, and optimize network performance using Azure Network Watcher, Azure Monitor, and Log Analytics
  • Configure alerts, performance counters, and diagnostics across Azure resources
  • Analyze service records and metrics against agreed SLAs and initiate improvements where required
  • Perform advanced incident diagnosis, troubleshooting, and root-cause analysis across Azure networking layers
  • Escalate complex or unresolved incidents to vendors or internal teams and follow through until resolution
  • Maintain accurate and secure configuration data for all relevant Configuration Items (CIs)
  • Create, update, and maintain knowledge articles for Azure networking incident resolution
  • Collaborate closely with customers, vendors, carriers, and internal stakeholders to accelerate problem resolution
  • Continuously upgrade skills and maintain relevant Azure certifications

Requirements

  • Strong working knowledge of Azure networking architecture and documentation
  • In-depth understanding of routing and connectivity concepts including BGP, OSPF, MPLS, and hybrid cloud networking
  • Hands-on experience with enterprise-scale Azure networking environments
  • Strong analytical and structured troubleshooting skills
  • Customer-focused mindset with proactive problem-solving ability
  • Excellent attention to detail and documentation discipline
  • Strong verbal and written communication skills in English
  • Ability to work independently while collaborating effectively in global teams
  • Bachelor’s degree (or equivalent experience) in Information Technology, Computing, or a related field
  • Microsoft Azure certifications, including: Fundamentals (AZ-900 or equivalent), Associate (AZ-104, AZ-700), Expert level (AZ-305 or equivalent preferred)
  • Networking certifications are a strong advantage (e.g. CCNP, JNCIS, equivalent)
  • Seasoned experience with Azure networking services in production environments
  • Proven experience providing remote L3 technical support to enterprise customers
  • Extensive experience in incident diagnosis and troubleshooting
  • Experience supporting hybrid cloud and enterprise networking architectures
  • Experience working in SLA-driven, ITIL-aligned service environments
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