Network Infrastructure Engineer Senior Associate

Overview

Network Infrastructure Engineer Senior Associate supporting the firm's enterprise and Microsoft Azure network operations, handling routine and moderately complex operational work and escalating architectural, security-sensitive, or high-risk issues to senior engineers.

What you'll do

• Monitor, maintain, and troubleshoot wired LAN, wireless (Wi-Fi), Internet, WAN, and cloud network services across office and remote environments.
• Configure and support routing, switching, VLANs, IP addressing, DHCP, DNS, and approved network changes in accordance with established standards.
• Administer and troubleshoot network access control and authentication services, including IEEE 802.1X, RADIUS, EAP-TLS, certificate-based authentication, PKI integration, device onboarding, and access-policy enforcement across wired and wireless networks.
• Administer and troubleshoot Next-Generation Firewall services, including ACLs, NAT, VPN, IPS, SSL inspection, DNS security, and sandboxing, within approved designs and security policies.
• Maintain and support remote access, site-to-site VPN, and point-to-site VPN services for hybrid and geographically distributed teams.
• Monitor and troubleshoot SD-WAN infrastructure, branch connectivity, path selection, failover, routing, and performance; escalate design or carrier issues as needed.
• Support Microsoft Azure networking services, including Virtual Networks, subnets, Network Security Groups, user-defined routes, VNet peering, private endpoints, service endpoints, and Private DNS.
• Support Azure Virtual WAN operations, including virtual hubs, hub-to-VNet connections, VPN sites, VPN and ExpressRoute gateway health, hub route tables, route association and propagation, and secure hub connectivity.
• Use Azure Network Watcher and platform monitoring tools to investigate connectivity, routing, security-rule, latency, and packet-flow issues and to document findings.
• Support Azure Firewall, Web Application Firewall, load-balancing, Application Gateway, and secure application delivery services within established architecture and security standards.
• Monitor Internet transport, BGP routing, circuit health, and bandwidth utilization; coordinate with telecommunications providers and vendors during incidents and service restoration.
• Plan and implement approved network changes, complete pre- and post-change validation, document results, and follow change-control, rollback, and security procedures.
• Contribute to office openings, network refreshes, cloud migrations, upgrades, and modernization projects in partnership with senior engineers and cross-functional teams.
• Work with security, infrastructure, application, and service desk teams to resolve incidents, perform root cause analysis, implement corrective actions, and escalate complex issues.
• Maintain IP address management records, Azure network inventory, subnets, VLANs, wireless SSIDs, diagrams, configuration baselines, runbooks, and support procedures.
• Participate in after-hours maintenance and the on-call rotation as required.

What you'll need

• Two to five years of relevant experience in enterprise network engineering, network operations, infrastructure support, or a closely related role.
• Practical knowledge of TCP/IP, IPv4 addressing and subnetting, DNS, DHCP, VLANs, routing, switching, NAT, and common network troubleshooting methods.
• Hands-on experience supporting wired and wireless LAN technologies, enterprise firewalls, VPNs, and network security controls.
• Experience monitoring or troubleshooting SD-WAN, WAN circuits, Internet connectivity, and remote access services.
• Working knowledge of Microsoft Azure networking, including VNets, subnets, NSGs, route tables, VNet peering, VPN Gateway, and hybrid connectivity.
• Familiarity with Azure Virtual WAN, virtual hubs, site-to-site and point-to-site VPN connectivity, ExpressRoute, route propagation, Azure Firewall, and integration.
• Experience with incident management, root cause analysis, change control, vendor coordination, network deployments, or infrastructure refreshes.
• Strong troubleshooting, documentation, and communication skills, with the ability to prioritize work and collaborate across technical teams and time zones.
• Commitment to Crowe's values of Care, Trust, Courage, and Stewardship, and to acting ethically and with integrity at all times.

Nice to have

• Experience using network monitoring and diagnostic tools; exposure to Azure Network Watcher, Azure Monitor, Log Analytics, or comparable platforms.
• Familiarity with WAFs, load balancers, secure web application delivery, SIP trunking, VoIP, or Microsoft Teams telephony.
• CCNA, Microsoft Azure Fundamentals, Azure Network Engineer Associate, or comparable foundational certification.
• Exposure to PowerShell, Azure CLI, Terraform, and Python for automation and interacting with API endpoints.

Details

• Location: Noida, Uttar Pradesh, India.
• Based in India, reporting to the Network Team Lead.
• Participation in after-hours maintenance and on-call rotation as required.