Senior Service Provider Network Engineer – IP Core & Aggregation - freelance - hybrid - Warsaw, Poland

Experienced Service Provider Network Engineer to design, implement, and operate large-scale IP Core and Aggregation networks. The role focuses on high-availability SP environments, including BNG, CG-NAT, and traffic engineering/assurance platforms such as Juniper Paragon. Experience with Data Center Fabric for NG-PoP environments is a strong plus. Key Responsibilities Design, implementation, and operation of IP Core and Aggregation networks in a Service Provider environment Engineering and lifecycle management of BNG (Broadband Network Gateway) platforms Deployment and operation of CG-NAT solutions at scale Configuration and optimization of routing protocols (BGP, IS-IS, OSPF) Capacity planning, traffic optimization, and resiliency design Integration and usage of Juniper Paragon (JRD) for traffic engineering, visibility, and automation Troubleshooting complex network incidents across core, aggregation, and edge layers Collaboration with architecture, operations, and service teams Docum...