Senior Infrastructure & Network Architect

Location: Bellevue or Dallas

Client : Infosys

Domain : Telecommunications

Visa: Independent

Please note, in particular, We need someone that is very familiar with BGP/OSPF, vlans, spine leaf architecture, hybrid cloud, firewalls, etc. 

Role Summary:

Senior Infrastructure & Network Architect responsible for designing and governing enterprise network and infrastructure solutions, with a primary focus on core networking (BGP/OSPF), data center architecture, and hybrid cloud connectivity, along with working knowledge of observability and infrastructure operations.

Key Responsibilities

• Design and architect scalable, secure network solutions across DC, WAN, and hybrid cloud environments
• Own architecture for routing & switching (BGP, OSPF), VLAN segmentation, and firewall design
• Lead data center architecture initiatives including spine-leaf, VXLAN/EVPN, and DC consolidation/migration
• Define and implement hybrid cloud networking (AWS/Azure/Google Cloud Platform) including VPN, Direct Connect/ExpressRoute, and interconnects
• Provide architectural guidance for network monitoring, observability, and performance optimization
• Evaluate existing infrastructure and drive modernization, resiliency, reliability and capacity improvements
• Collaborate with infra, security, and application teams to ensure end-to-end service reliability
• Define migration strategies and lead complex cutover events with minimal business disruption.
• Hands-on experience with open-source networking and observability tools such as Prometheus, Grafana, Elasticsearch (ELK), or Nagios
• Familiarity with Linux-based networking environments and troubleshooting across open-source stacks
• Experience with automation and Infrastructure-as-Code (IaC) tools like Ansible, Terraform, or Python scripting for network/infrastructure provisioning
• Exposure to open-source SDN / networking technologies (e.g., Open vSwitch, ONAP, Kubernetes networking, CNI plugins)
• Experience integrating cloud-native and open-source monitoring solutions in hybrid cloud environments
• Exposure to container networking (Docker/Kubernetes) and its impact on enterprise network architecture
• Familiarity with community-driven standards, APIs, and open networking frameworks

Must-Have Skills

• Strong hands-on expertise in:
• BGP, OSPF, TCP/IP fundamentals
• VLANs, routing/switching, firewall technologies
• Deep understanding of:
• Data center networking (Spine-Leaf, SDN, VXLAN)
• Hybrid cloud networking (AWS/Azure/Google Cloud Platform connectivity)
• Experience with:
• Data center consolidation / migration programs
• Enterprise network architecture and design (HLD/LLD)
• Good exposure to:
• Network monitoring & infrastructure observability tools
• Load balancing, segmentation, and security architecture

Nice to Have

• Experience with SD-WAN, SASE, automation/Ansible/Terraform
• Exposure to observability platforms (NetFlow, Cloud monitoring)
• Certifications: CCNP / CCIE (preferred)

Required Qualifications

• 15+ years in network/infrastructure with recent architect-level experience
• Proven track record in large-scale enterprise or telecom environments
• Ability to bridge architecture with operations (design + real-world implementation)

Preferred Certifications

• CCNP/CCIE (Enterprise, Data Center, or Service Provider)
• AWS Solutions Architect – Associate/Professional