Senior Network Engineer - Support

Apps Associates · Hyderabad

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• 5–10+ years of hands-on experience in enterprise networking, cloud networking, network security, and hybrid infrastructure operations.

• Strong hands-on experience in AWS networking services including VPC, subnetting, route tables, Transit Gateway, Direct Connect, VPN, VPC Peering, Route 53, ALB/NLB, Security Groups, NACLs, AWS WAF, Network Firewall, PrivateLink, and VPC Endpoints.

• Strong working knowledge of OCI networking including VCN, DRG, route tables, security lists, NSGs, FastConnect, Site-to-Site VPN, LPG/RPC, Service Gateway, NAT Gateway, Load Balancer, and private/public connectivity models.

• Strong CCNA/CCNP-level understanding of routing and switching concepts including TCP/IP, OSI model, VLAN, trunking, STP, EtherChannel, subnetting, static routing, OSPF, BGP, EIGRP, NAT, ACL, HSRP/VRRP, and QoS.

• Ability to design and troubleshoot hybrid connectivity between cloud and on-premises using AWS Direct Connect, OCI FastConnect, IPsec VPN, BGP routing, redundant tunnels, and failover design.

• Strong knowledge of firewall and network security concepts including security zones, NAT policy, security policy, URL filtering, IDS/IPS, SSL inspection, VPN, threat prevention, and traffic logs.

• Experience with Palo Alto and Fortinet or similar next-generation firewall platforms.

• Ability to design secure and scalable hub-and-spoke network architecture across AWS, OCI, and enterprise data centers.

• Strong understanding of DNS, DHCP, SSL certificates, load balancer health checks, session persistence, SSL offloading, backend pools, listeners, and traffic routing.

• Experience in troubleshooting production issues related to application connectivity, blocked traffic, routing loops, asymmetric routing, packet loss, MTU issues, DNS failures, VPN instability, and cloud security misconfiguration.

• Strong understanding of Infrastructure as Code and automation tools such as Terraform, CloudFormation and AWS/OCI CLI.

• Experience in cloud governance, network documentation, compliance support, audit readiness, firewall rule review, and secure network design.

• Ability to work with cross-functional teams, vendors, service providers, security teams, cloud teams, and business stakeholders.

• Strong communication skills with the ability to explain technical issues clearly to both technical and non-technical stakeholders.

Ability to work independently, handle critical incidents, lead troubleshooting bridges, and provide clear updates during production outages.

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