Note: The job is a remote job and is open to candidates in USA. Capgemini US LLC is seeking a highly experienced Senior Network Architect / Lead Network Engineer with extensive expertise in Enterprise, Data Center, Cloud, SDN, Security, and Network Automation technologies. The ideal candidate will be responsible for network architecture, operational excellence, technology modernization, automation initiatives, and providing L3/SME support for mission-critical environments.
Responsibilities
- Design, deploy, and support large-scale enterprise and data center networks
- Architect and manage Cisco Nexus, Catalyst, Arista, and Cisco ACI-based network infrastructures
- Design and implement Spine-Leaf architectures, VXLAN, EVPN, VRFs, VLANs, VPCs, and Data Center Interconnect solutions
- Lead network transformation and migration initiatives from legacy environments to SDN-based architectures
- Develop High-Level Design (HLD), Low-Level Design (LLD), implementation plans, and technical documentation
- Manage and troubleshoot:
- BGP
- OSPF
- EIGRP
- Static Routing
- Route Maps
- Prefix Lists
- ACLs
- Implement Layer 2/Layer 3 technologies including:
- STP/RSTP
- VTP
- Port Channels
- VPC
- HSRP
- VRRP
- Design, deploy, and support Cisco ACI environments
- Configure and manage:
- APIC Controllers
- Tenants
- EPGs
- Bridge Domains
- VRFs
- Contracts
- Filters
- L3Outs
- Manage Nexus Dashboard solutions:
- NDO
- NDFC
- NDI
- Perform ACI upgrades, migrations, capacity planning, and compliance management
- Design and support enterprise WAN solutions including:
- Cisco SD-WAN
- MPLS
- DMVPN
- IPSec VPNs
- GRE Tunnels
- Configure Cisco ISR, ASR, and Catalyst 8000 platforms
- Manage WAN optimization and resiliency initiatives
- Manage and support:
- Palo Alto Firewalls
- Cisco Firepower
- Cisco ISE
- TACACS
- RADIUS
- Implement:
- Network Segmentation
- Zero Trust Architecture
- Micro-Segmentation
- VPN Technologies
- NAC Solutions
- Configure and administer:
- F5 BIG-IP LTM/GTM
- F5 AFM
- Citrix NetScaler ADC
- Azure Load Balancers
- Implement:
- SSL Offloading
- Content Switching
- Load Balancing Policies
- Health Monitoring
- Global Traffic Management
- Manage Infoblox DDI solutions
- Administer:
- DNS
- DHCP
- IPAM
- Grid Masters
- DNS Zones
- DNS Records
- DHCP Reservations
- Support enterprise-wide DNS architecture and services
- Design and support Cisco wireless environments
- Manage:
- Cisco WLCs
- Access Points
- Cisco Prime
- Aruba Wireless Solutions
- Implement secure 802.1X authentication using Cisco ISE
- Develop and maintain automation solutions using:
- Ansible
- Terraform
- Postman APIs
- REST APIs
- Automate provisioning, configuration compliance, monitoring, and reporting processes
- Integrate automation frameworks with Cisco ACI, Nexus Dashboard, and SD-WAN environments
- Support network operations utilizing:
- SolarWinds
- ThousandEyes
- Grafana
- Cisco DNA Center
- NetBrain
- Lead root cause analysis (RCA) and major incident resolution activities
- Drive vulnerability remediation and infrastructure lifecycle management programs
Skills
- 10 years of Enterprise and Data Center Network Engineering experience
- 5 years of Cisco ACI and Data Center Architecture experience
- Experience supporting global enterprise environments with mission-critical infrastructure
- Experience leading migration, modernization, and network transformation initiatives
- Networking
- Cisco Nexus 5K/7K/9K
- Cisco Catalyst 9K Series
- Arista Switching
- Cisco ISR/ASR Routers
- Data Center Networking
- LAN/WAN Architecture
- Routing Protocols
- BGP
- OSPF
- EIGRP
- MPLS
- SD-WAN
- VRF
- SDN & Data Center
- Cisco ACI
- VXLAN
- EVPN
- Nexus Dashboard (NDO/NDFC/NDI)
- Security
- Palo Alto
- Cisco Firepower
- Cisco ISE
- IPSec VPN
- NAC
- AAA Services
- Load Balancing
- F5 LTM/GTM
- F5 AFM
- Citrix NetScaler ADC
- Azure Load Balancer
- DDI
- Infoblox DNS
- DHCP
- IPAM
- Automation
- Ansible
- Terraform
- REST APIs
- Postman
- Monitoring Tools
- SolarWinds
- ThousandEyes
- Grafana
- NetBrain
- Cisco DNAC
- ServiceNow
- Python (Preferred)
- Palo Alto Certifications (Preferred)
- F5 Certifications (Preferred)
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