Packet Core Engineer

Job Description

This role resides in the Core Networks Systems team under the Core Network Operations in Networks, accountable for ensuring CS / PS core and its related technologies provide data services to our customers.

The role will also be responsible to perform integration and technical support for PS Core Network platforms (MME, SGSN, SGW, PGW, GGSN, CGW, vMSE,PCRF etc)

Role Responsibility

Ensuring a smooth operation of the GSM/UMTS/LTE specific Packet Core Network and be part of a team managing the Packet Core Network activities associated with Mobile GSM/UMTS/LTE/VoLTE Network
Providing support to the Packet Core Network and its related Support Systems and to adhere to the Cybersecurity process
Collaborate with Core Planning team to ensure that Project and Programme Plans are built up in a realistic manner that considers all internal and external dependencies to the Packet Core Network
To closely cooperate with Consumer and Enterprise Products & Services demands and to capture and translate user experience and commercial requirements into technical requirements
Delivering assigned tasks for projects, within the roadmap, considering the directional guidance of the strategic (2-5 year) plan, managing risks, escalations and exceptions, and complex interfaces
Having a good understanding of the needs to support the design, deployment, and optimization across the Network
Interacting with suppliers, technology vendors, and internal functions

Technical / Professional Competencies

University degree in telecommunications, Electrical Engineering or Computer Engineering + CCNA (Mandatory)
6+ or more years of experience in the telecommunications industry
Design and deployment experience of key network systems/nodes (for example MME & SAE-GW) through the full delivery lifecycle from initial design to full operational handover
Excellent working knowledge of EPC/IMS/LTE architecture, interfaces (S1-MME, S1u, S3, S4, S5,S6a, S8, S10 and S11 and command over GTPv2 and S1AP, Diameter, NAS),protocols(DIAMETER, RADIUS, SIGTRAN, SS7,AAA,SIP, MAP, CAP and INAP etc ) and procedures, with understanding of key LTE associated technologies and functionality including IMS, VoLTE
Experienced of working with Nokia/Huawei/Cisco core network systems
VoIP/VoLTE deployment and testing experience
Working experience in IP networks, preferably with experience with the prime IP vendor equipment: Cisco/Juniper/Huawei network certification
CCDP/CCNP, Project mgmt. (desirable)
In-depth knowledge and experience of IP technologies and services including Converged Packet Network (CPN), Packet Switched Core (SGSN/GGSN, MME, SGPW, CGW), virtualisation technologies
Experience of network and service planning, architecture, design, integration, and acceptance test procedures
Good working knowledge of 3GPP, IETF and GSMA standards (2G, 2.5G, 3G and 4G/LTE network) and architectures
Unix/Linux

Not a perfect fit?

Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.