Senior Network Engineer

Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA. Are you an experienced Service Provider Consultant with a passion for next-generation networking technologies? We are looking for a Consulting Engineer – SP MPLS / Segment Routing / SRv6 to join a highly skilled team delivering complex network transformation projects for some of the world's leading telecommunications and service provider organisations. In this role, you will be responsible for designing, implementing, optimising, and supporting large-scale Service Provider infrastructures built around MPLS, Segment Routing, SRv6, BGP, OSPF, ISIS, and next-generation network architectures. Key Responsibilities Design, plan, implement, and optimise Cisco Service Provider solutions for enterprise and telecom customers. Develop technical documentation including High-Level Designs (HLDs), Low-Level Designs (LLDs), Bills of Quantities (BoQs), Network Implementation Plans (NIPs), and migration strategies. Lead customer workshops, technical reviews, and stakeholder meetings, providing expert guidance on network architecture and project delivery. Own the technical direction of projects, identifying and mitigating risks while ensuring successful outcomes. Architect and deliver complex MPLS, Segment Routing (SR), and SRv6 deployments and migrations. Participate in large-scale network transformation programmes involving IPv4, IPv6, BGP, OSPF, ISIS, Traffic Engineering, and advanced routing technologies. Act as a trusted advisor to customers, providing strategic recommendations on network evolution and future technology trends. Troubleshoot and resolve complex cross-technology issues across multi-vendor environments. Support project managers with project planning, resource allocation, scheduling, and delivery governance. Mentor junior consultants and engineers while driving technical excellence across project teams. Required Skills & Experience Strong hands-on experience with MPLS, Segment Routing (SR/SRv6), BGP, OSPF, ISIS, IPv4/IPv6, and QoS. Proven expertise with Cisco ASR9K, NCS, ASR1K, and Nexus platforms. Advanced knowledge of IOS-XR and IOS-XE. Experience designing, implementing, and migrating large-scale Service Provider networks. Strong customer-facing consultancy and stakeholder management skills. Familiarity with network management, automation, monitoring tools, and Zero Trust architectures. CCIE Service Provider preferred. Minimum 5 years' Professional Services experience within a Service Provider environment. Show more Show less