Network Architect

We are seeking an experienced Network Architect to review and evolve an established service provider network.

This is a high-impact architectural engagement focused on introducing a Layer 2 wholesale capability into an existing Juniper-based MPLS/EVPN environment.

About the Environment

Architecture consists of:

• Multiple L2 supplier services
• QinQ handoff terminated on Juniper ACX
• LAGs stretched across ACX devices using EVPN-ESI for multihoming
• L2 to L3 handoff via VPWS
• L3 termination on Juniper MX using Dynamic Profiles
• Tier 1 transit and private interconnects for traffic breakout, We are looking for a consultant-level architect to:
• Review the existing ACX/MX EVPN design
• Design a scalable and resilient L2 wholesale model
• Define traffic flow and service separation between L2 and L3 services
• Assess control-plane and MAC scaling implications
• Validate redundancy and failover behaviour (EVPN-ESI, multihoming)
• Produce High-Level and Low-Level Design documentation
• Provide a phased migration / implementation strategy

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• Strong Juniper MX and ACX experience
• Deep understanding of EVPN (including ESI / multihoming)
• MPLS and L2VPN (VPWS) in service provider environments
• Experience designing wholesale or carrier L2 services
• Control-plane scaling and broadcast domain design considerations
• ISP / carrier / wholesale network background

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