2nd Level Operations - Core PS Engineer

Employer: Ericsson
  • Telecommunication
  • Job type: full-time
    Job level: 1 - 5 years of experience
  • Updated at: 22.05.2019
    Short company description

    At Ericsson, we give our employees the freedom to think big. Your ideas and innovations can turn into achievements that impact society and change the world. Are you ready to be a change-maker?
    Learn what makes YOU + Ericsson a powerful combination. Join us today.

    About Us

    We are one of the leading providers of Information and Communication Technology (ICT) to service providers, with about 40% of the world’s mobile traffic carried through our networks. We enable the full value of connectivity by creating game-changing technology and services that are easy to use, adopt and scale, making our customers successful in a fully connected world.
    Together, in Romania we create a culture of innovation, constantly transforming to find new ways of working. Opened in 2007, the Global Site in Bucharest is one in only four all over the world, the only one situated in Europe and a vital component in Ericsson’s global services organization. The Romanian site currently counts on a team of 1,900 strong professionals and enthusiastic young specialists and is developing constantly to meet customer needs.


    Bachelor/Master of science in Electrical Engineering, Computer Information Systems, or equivalent
    3-5 years’ experience of work
    Good understanding of PS and EPC architectures (2G/3G/4G)
    Solid knowledge of operation and troubleshooting of (at least one vendor) GGSN/SGSN-MME/DNS
    Knowledge of operation and troubleshooting of AAA/PCRF/DSC/DRA
    Good understanding of following protocols: GTP, DIAMETER, DNS, RADIUS-AAA, DHCP, SS7, NTP
    Experience with Nokia products like GGSN (7750), PCRF (5780), DNS(VItalQIP/EfficientIP), DRA/DEA(5780)
    Understanding of IP routing protocols and MPLS
    Cisco CCNA/CCNP certification
    Scripting skills (shell, perl or others

    Excellent communication skills in English
    French communication skills will be a plus


    Manage networks and nodes within the Packet Switched domain and Evolved Packet Core of our customers. This includes:
    2nd Level Assurance Support Activities
    2nd Level Incident Management
    2nd Level System Administration activities
    2nd Level Incident/Problem Management activities
    Provide preventive mentenance and performance management
    Provide input, implement and verify improvements in processes
    Verify and implement configuration changes
    Assist with Problem Management
    On regular base covering the 7x24 Call-out responsibility