CORE Network Engineer

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Employer: ZTE Services Romania
Domain:
  • Engineering
  • IT Hardware
  • Telecommunication
  • Job type: full-time
    Job level: 1 - 5 years of experience
    Location:
  • Timisoara
  • Updated at: 23.10.2016
    Remote work: On-site


    Job Requirement and Working Experience:

    • University Graduated with Electrical, Telecommunication or Computer Engineering background;
    • 3 to 5 years experience in similar environment;
    • Advanced Knowledge of GSM/GPRS/UMTS ( R99, R4, R5 ) architecture, interfaces, reference points, functions and protocols (LTE/IMS knowledge is a plus) at Core Network CS and PS level;
    • Functional description of involved NEs: BTS, Node B, BSC, RNC, HLR, STP, MSC, MGW, HLR, SBC, SGSN, GGSN, MME, S-GW, PCRF, P-GW, CG;
    • Functional description of MVNO, Roaming, Number Portability;
    • General understanding of Traffic & Performance cases;
    • Knowledge of Unix/Linux operating system is essential;
    • Very good knowledge of SS7 protocols (MAP, CAP, INAP, ISUP);
    • Knowledge of SIGTRAN, SIP, TCP/IP (L2/L3) based protocols;
    • Analyze and interpret traces (protocol analyzer traces and network element traces);
    • Good knowledge of support and supply processes;
    • Very good English (spoken & written);
    • Highly Flexible to support on call roster;
    • Experience on ZTE equipments and architecture is essential.

    General Competencies

    • Open minded, positive with a flexible attitude and willing to work in teams of diverse professional and cultural background;
    • Effective skills in oral and written communication;
    • Well-developed interpersonal skills;
    • Well organized, methodical and careful;
    • Reliable, conscientious and patient;
    • Self motivated and works well under pressure;
    • Customer oriented;
    • Ability to guide trainee engineers;
    • Ability to work as a member of a team.

    Responsibilities:

    • Second line support with necessary expertise to resolve Core network issues;
    • Handles and analyses Trouble Tickets and recommends timely actions and solutions to Trouble Tickets;
    • Collects and analyses required logs and traces during and post fault investigations;
    • Handles and executes Change Requests within the stipulated time frame;
    • Performs second level Preventive Maintenance;
    • Develops, maintains and performs L2 Health Checks and scripts as well as technical processes and tools;
    • Periodically monitors and delivers performance reports;
    • Performs configuration of Core Network equipments;
    • Investigates customer complaints or network alarms/incidents;
    • Verifies the network performance and capacity.

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