Senior Engineer LTE Core at Lorache Consulting Limited

Essential Job Functions

• Work with internal and external stakeholders to ensure the successful planning, design, implementation and optimization of new network products/services.
• Develop, document, implement and maintain processes and procedures related to service delivery.
• Partner with peers to ensure reliability, availability and scalability thresholds are maintained.
• Provide trouble resolution for escalated core network issues along with the Huawei Core Network Person.
• Perform after hours support duties to sustain network systems and service levels – 24/7/365.

Required Qualification/ Work Experience

• Bachelors/Master of Science in Computer Science or Telecommunications is desired.

Work Experience:

• 4-6 years in telecom domain specially on 4G-LTE core network (MME, SGW, HSS etc.)
• Expert knowledge of mobile wireless networks; LTE - specifically MME, S/P GW, HSS and/or DRA
• Packet Network technologies/protocols including IPv4, IPv6, Ethernet, IS-IS, OSPF, MPLS, QOS, and SNMP.
• Voice Signaling Protocols like SS7 and SIP.
• Wireless and Transport Equipment including routers, switches, voice gateways, and SBCs
• Good understanding of telecom technologies like 4G-LTE, WiMAX or CDMA.
• The Evolved Packet Core is set of network nodes responsible for interfacing LTE RAN to provide a complete 4G network. The nodes include MME, S/P GW, HSS, PCRF, and DNS. The EPC engineer is responsible to maintain the system in a good and proper state and assist users of the system in its operational functions. The ideal candidate will have 4-6 years of hands-on experience in the mobility and packet core network and will have knowledge 3G / LTE EPC interfaces.

Knowledge, Skills and Abilities:

• Experience in running large scale IP/MPLS network
• Experience in UNIX scripting
• Experience with TCP, IP, SCTP, Diameter, GTP, RADIUS, routing protocols (BGP, OSPF, ISIS), 802.1P/Q VLAN tagging.
• Experience with troubleshooting network issues, network Sniffer tools,
• Strong analytical approach in resolving issues
• Good knowledge of Evolved Packet Core including HSS, MME, S/P-GW, PCRF, PCEF, SGSN, GGSN, HLR, Database
• Good understanding EPC interfaces (S6a, S1-C, S1-U, S5/S8, Sgi, S11, S10, Gn, Gb, Gr, Ga)
• Ability to implement industry standards and “best practices” relative to networking.
• Experience with researching, investigating, evaluating, and qualifying potential new equipment for network deployment.
• Proven problem-solving skills with experience and background in solving complex design, network, and circuit problems and issues.
• Good organizational and time management skills including the ability to organize, prioritize, and articulate job tasks and complete the tasks on time and on budget.
• A proven business sense with the ability to discern, evaluate, and articulate the cost trade-offs associated with various network and circuit implementations.
• Proven ability to engage with and communicate with customers, vendors, service providers, employees, and various business contacts in a professional and courteous manner.
• The ability to work “on-call” and off-shift hours as required to support network and equipment maintenance, upgrades, and service interruptions.
• Experience on WiMAX/LTE technology will be an added advantage.
• Experience working on Huawei equipment will be preferred.