IP Core Network Design Engineer (Packet & Voice) - SC Cleared
Contract - £500 per day (Outside IR35) Berkshire (Hybrid/On-site as required)
Key Skills/Experience:
* Strong understanding of EPC & 5G Core protocols: DIAMETER, SIGTRAN, SIP, GTP, S1-U etc.
* Experience with Packet & Voice Core nodes (MME, PCRF, HSS, UPF, SMF, AMF, MTAS, SBC etc.)
* Deep IP Networking knowledge: IP/IPv6, BGP, OSPF, MPLS, STP, LACP, IPsec, VXLAN
* Experience with Cisco (IOS-XR, NX-OS, ASR9k, Catalyst/Nexus), Juniper (M/J/EX), HPE
* Load balancers: F5 LTM/GTM, ACE, Netscaler - Firewalls: ASA, SRX, Checkpoint, Palo Alto, Fortinet
* Network analysis tools: Wireshark, TCPdump, Netscout, Gigamon, Netflow - Strong documentation skills (HLD/LLD, test plans, implementation docs)
* Hands-on IP Core specialist with understanding of signalling flows end-to-end and can map, design, and validate traffic paths across multi-vendor mobile core environments.
Fuel Recruitment is partnered with a leading technology solutions specialist, and seeking an experienced IP Core Network Design Engineer to deliver end-to-end IP transport connectivity across both Packet Core and Voice Core environments. You'll be responsible for designing, documenting, and implementing traffic flows across complex EPC and 5G SA network architectures.