UDM & Policy Integration Engineer

Posted date:  Jun 21, 2022

Yokohama, Yokohama, Japan

※This position require business level Japanese and middle level English ability.



ポリシーおよびUDM(Unified Data Management)インテグレーション・エンジニアは、主な顧客であるモバイルオペレータの要件を実現するため、モバイルデータ通信に使用されるポリシーおよびUDMに関する技術的なサービスを提供します。主なタスクは、ポリシーおよびUDMノードに関するモバイルネットワークの設計・構築・検証業務です。自社内での設計や検証業務に加えて、お客様ネットワークセンター内での構築・検証業務を含みます。



  • ソリューション要件に基づくポリシーおよびUDMノードの設計(High level/Low level)

  • ネットワーク機器の構築、設定、検証業務

  • テスト結果の分析・評価

  • システムデモやアクセプタンスの実施

  • 商用ノードのサポート業務

  • 外部協力会社エンジニアへの技術サポート



  • ネットワーク構築、検証業務経験(2年以上)もしくは同等の知識

  • サーバ構築、検証業務経験(HP、Dell等、Linuxが望ましい)

  • ビジネスレベル(必須)の日本語および中級レベルの英語力(TOEIC 700程度)

  • 新技術・業務を学ぶことへの強い情熱と関心



  • モバイル・ネットワーク・プロトコルの知識(Diameter、LDAP等)

  • ポリシーおよびUDMネットワーク機器の設計・構築・検証経験


  • 5名以上のチーム・リーダー経験

  • LPIC-3もしくは同等のLinuxに関する知識


Our Exciting Opportunity

We are now looking for a Policy & UDM (Unified Data Management) Integration Engineer to provide technical services related to the Policy & UDM nodes used for mobile data communication for 3G or later to realize the requirements from our mobile operator customers.

Your main tasks are design, integration and verification of the Policy & UDM nodes. Both design and verification activities in office, and integration, verification and acceptance activities in customer network center are included.

As an Ericsson employee, you will have responsibility for communication towards customers and project members as technical leader for delivery project which includes engineers from external partner companies and global ericsson. To realize the high availability required by mobile network, you will be asked to understand customer network environment and requirement and to provide safety and high quality service.


You will be responsible for

  • Policy & UDM node design (high level, low level) based on solution requirement

  • Integration, configuration and verification of network equipment

  • Analysis and qualification of test result

  • Performing system demo and acceptance test

  • Supporting Activity for live network nodes

  • Technical support for engineers from external partner companies


To be successful in the role you must have

  • 2+ years experience of network integration and verification or equivalent knowledge

  • Server deployment and verification experience (HP, Dell, etc. Linux is preferable)

  • Business level Japanese and middle level English (TOEIC over 700)

  • Strong passion and interest to learn new technology and tasks


Below knowledge and skills are pluses:

  • Mobile network protocol knowledge (Diameter, LDAP, etc)

  • Experience of design, integration and verificetion of Policy & UDM network environment

  • Example for target Policy & UDM nodes: SAPC, HSS/HSS-FE, CUDB, HLR/HLR-FE, SLF, EMA, EDA, 5GC UDM/UDR/AUSF/NSSF/NRF/PCF/NEF, and so on

  • Team leader experience for more than 5 members

  • LPIC-3 or equivalent linux knowledge


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: 647135

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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