Senior Network Engineer
Job Title: Senior Network Engineer Data Center, Network Security & Automation
Experience: 8+ Years Preferred
Job Summary
We are seeking an experienced Senior Network Engineer responsible for designing, implementing, maintaining, securing, and optimizing enterprise network infrastructure across multi-tenant and multi-data-center environments.
The ideal candidate will have strong expertise in Layer 2/Layer 3 networking, advanced routing and switching, data center fabric architectures, network security, software-defined networking, cloud connectivity, and network automation using Cisco, Arista, Python, Ansible, and related technologies.
Required Technical Skills- Networking & Routing: TCP/IP, UDP, DNS, DHCP, BGP, OSPF, EIGRP, MPLS, VRF, VLAN, STP, VRRP, MLAG, vPC, Anycast, RPKI.
- Data Center Networking: VXLAN, EVPN, MPLS, Underlay/Overlay Networks, FabricPath, Multi-Tenant and Multi-Data-Center Architectures.
- Network Platforms: Cisco IOS/NX-OS, Arista EOS, Enterprise Routers and Switches.
- Network Security: IPsec, SSL/TLS, DMVPN, DDoS Protection, Network Segmentation, PCI DSS.
- Software-Defined Networking: SD-WAN, NFV, Cloud Provider Peering, Hybrid Cloud Connectivity.
- Automation & Scripting: Python, Ansible, PowerShell, Netmiko, NETCONF, NAPALM, Jinja2, YAML, JSON, REST APIs, GitLab, NetBox.
- Virtualization: VMware vMotion, HCX, VxRail and Virtualized Network Infrastructure.
- Network Operations: Network Monitoring, Troubleshooting, Performance Optimization, RCA, Change Management and Technical Documentation.
Key Roles and Responsibilities- Design, deploy, configure, and maintain highly available enterprise network infrastructure across multi-tenant and multi-data-center environments.
- Implement and manage Layer 2 and Layer 3 networking solutions using Cisco IOS/NX-OS, Arista EOS, and enterprise routing and switching technologies.
- Configure, optimize, and troubleshoot dynamic routing protocols, including BGP, OSPF, and EIGRP, along with complex routing policies and traffic engineering.
- Design and maintain data center underlay and overlay network architectures using MPLS, VXLAN, EVPN, VRF, and related fabric technologies.
- Implement and support network security solutions, including IPsec VPN, SSL/TLS, DMVPN, network segmentation, DDoS mitigation, and PCI DSS security controls.
- Deploy and maintain software-defined networking solutions, including SD-WAN, NFV, cloud provider peering, and hybrid cloud connectivity.
- Develop and implement network automation solutions using Python, Ansible, PowerShell, Netmiko, NETCONF, NAPALM, Jinja2, YAML, JSON, and REST APIs.
- Configure and manage network redundancy and high-availability technologies, including VRRP, MLAG, vPC, STP, and Anycast.
- Manage internet peering, public IP address allocation, BGP routing policies, and network traffic protection mechanisms.
- Troubleshoot complex network connectivity, routing, switching, security, and performance issues across all layers of the OSI model and perform root cause analysis.
- Support VMware-based networking environments, including vMotion, HCX, VxRail, and integration with enterprise data center infrastructure.
- Perform network monitoring, capacity planning, configuration management, infrastructure upgrades, incident resolution, and disaster recovery support.
- Automate network provisioning, configuration validation, deployment, and operational workflows using GitLab, NetBox, vendor APIs, and infrastructure automation tools.
- Develop and maintain network architecture diagrams, technical design documents, configuration standards, implementation procedures, and operational runbooks.
- Collaborate with network architects, cybersecurity teams, cloud engineers, infrastructure teams, and business stakeholders to deliver secure, scalable, and reliable networking solutions.
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