5G Core Support Engineer

Posted date:  Aug 6, 2022

Yokohama, Yokohama, Japan

Our Exciting Opportunity

We are now looking for a Support Engineer that will provide technical service and support to our customers in 4G and 5G packet core domain.

In this role, you will do troubleshooting and resolve problems to stabilize and optimize customer networks.

The Support Engineer typically interacts with customer technical staff, operation managers, service engineers and other groups within the service delivery organization. You may also interact with groups in sales, R&D, 3rd party suppliers and local authorities.


You will (Responsibilities & Tasks)

  • Deliver professional support towards our Customer Units and Customers.
  • Handling technical investigation and if required coordinating with development and 3PP team.
  • Available to handle Emergency and critical issues while on call roster
  • Perform trouble shooting both for Hardware and Software
  • Handle customer engagement: manage customer relationship building confidence and trust, ensure service quality
  • Handle Software Update Management (SUM)
  • Provide ongoing technical support / consultancy to our customer (post project activities)
  • Proposing product improvements based on investigation results
  • Preemptive support handling and crafting use case for automation
  • Share knowledge and mentor junior members of the team

To be successful in the role you must have

Key Qualifications:

  • Education: Bachelor's in Telecom/IT or any relevant field
  • Minimum of 4years Telecom Experience and including at least 3 years in a customer facing role.
  • Excellent presentation, negotiation and argumentation skills
  • Delivering results and meeting customer expectations with excellent planning and organizing skills.
  • Fluent Japanese language skill is a must
  • Demonstrated ability: Packet Core network
  • Packet Core Nodes SGSN-MME & EPG-SSR, Gn/Gp DNS, ISP DNS, Wireshark is a must. Vendor specific certifications will be an advantage.
  • 5G Core knowledge as defined by 3GPP including AMF, SMF, UPF, PCF. Experience in this domain. (Highly regarded)
  • System experience with Cisco, Juniper, PSpice, LTspice
  • OS Linux knowledge and hands on experience.
  • Experience with virtualization technologies including CEE, RedHat OpenStack, KVM, SR-IOV, DPDK, VMWare, Kubernetes is a plus.
  • Automation and programming/scripting skills are nice to have
  • Interest/knowledge in Artificial Intelligence/Machine Learning is nice to have


Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build never seen before solutions to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?

Click Here to find all you need to know about what our typical hiring process looks like.


Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we nurture it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team.


Ericsson is proud to be an Equal Opportunity and Affirmative Action employer, learn more.


Primary country: Japan (JP)   

Req ID: 678295

Be where it begins

Our Culture

Welcome to an inclusive, global company where your opportunity to make an impact is endless. Share your most innovative ideas, bring your unique perspective and bring your unique perspective in a speak up environment. With us, you will no longer be dreaming of what the future holds – you will be redefining it at a company where you’re empowered to lead and perform at your very best.

Learning and Development

Being a part of our team means having the flexibility to take your career in many different directions, but it also means leveraging the supportive structure of a big organization, with clear personal and professional development opportunities. 

Benefits and Rewards

We believe that great accomplishments deserve great benefits and transparent rewards. We strive to offer competitive, unbiased, and fair rewards for all our people. We empower you to manage your own time and promote flexible working opportunities, along with family-friendly policies.

Click here to find out more about our benefits.

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