Senior Core Network Engineer
ECS
Senior Core Network Engineer
Hybrid - London £500-£550 per day | Inside IR35 | Initial 3-6 Month Contract We're currently engaged on a major network transformation programme and are looking for an experienced
Senior Core Network Engineer
with a strong background in large-scale enterprise or service provider environments. This role requires a technical specialist with deep expertise in
Cisco IOS-XR ,
Cisco NSO , and core network technologies, with a proven track record delivering complex transformation, migration, and automation programmes.
Key Experience Required
Extensive hands-on experience with
Cisco IOS-XR Strong experience developing and supporting
Cisco NSO
automation solutions Delivery of large-scale
network migration
and transformation programmes Production
software upgrades , lifecycle management, and hardware refresh projects Experience working within large enterprise or service provider networks Exposure to
Cisco 8000 Series
platforms and modern core network architectures Proven experience driving network automation and operational improvements Strong design, implementation, troubleshooting, and documentation capabilities
Technical Skills
MPLS & Segment Routing (SR-MPLS) BGP, ISIS, OSPF & EVPN L2VPN / L3VPN Multicast & QoS IPv4 / IPv6 Cisco IOS-XR platform support and lifecycle management Cisco NSO, YANG, Python, NETCONF & REST APIs Infrastructure as Code and network automation methodologies
Contract Details
Location:
Hybrid working (London or Chester) Rate:
£500-£550 per day IR35:
Inside IR35 Duration:
Initial 3-6 months, with potential extension If you have the relevant IOS-XR and NSO experience and would be interested in discussing further, please send across your latest CV together with a brief summary of your most relevant experience.
ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.
TPBN1_UKTJ
Hybrid - London £500-£550 per day | Inside IR35 | Initial 3-6 Month Contract We're currently engaged on a major network transformation programme and are looking for an experienced
Senior Core Network Engineer
with a strong background in large-scale enterprise or service provider environments. This role requires a technical specialist with deep expertise in
Cisco IOS-XR ,
Cisco NSO , and core network technologies, with a proven track record delivering complex transformation, migration, and automation programmes.
Key Experience Required
Extensive hands-on experience with
Cisco IOS-XR Strong experience developing and supporting
Cisco NSO
automation solutions Delivery of large-scale
network migration
and transformation programmes Production
software upgrades , lifecycle management, and hardware refresh projects Experience working within large enterprise or service provider networks Exposure to
Cisco 8000 Series
platforms and modern core network architectures Proven experience driving network automation and operational improvements Strong design, implementation, troubleshooting, and documentation capabilities
Technical Skills
MPLS & Segment Routing (SR-MPLS) BGP, ISIS, OSPF & EVPN L2VPN / L3VPN Multicast & QoS IPv4 / IPv6 Cisco IOS-XR platform support and lifecycle management Cisco NSO, YANG, Python, NETCONF & REST APIs Infrastructure as Code and network automation methodologies
Contract Details
Location:
Hybrid working (London or Chester) Rate:
£500-£550 per day IR35:
Inside IR35 Duration:
Initial 3-6 months, with potential extension If you have the relevant IOS-XR and NSO experience and would be interested in discussing further, please send across your latest CV together with a brief summary of your most relevant experience.
ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.
TPBN1_UKTJ
Reference: WJ-5375_5762835