Technical Support Engineer
Posted : 2026-01-30
Industry : Telecommunications
Employment Type : Full Time, Permanent
Required Skills : mobile technologies, 4G LTE, EPC, RCA reports, Root Cause Analysis, Support, 5G NSA mobility technologies, Japanese JLPT N
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ￥7,000,000 ~ ￥8,000,000
Job Description
Appealing Points:
- Work with cutting-edge mobile technologies: Gain hands-on experience with 4G LTE, 5G NSA/SA, and advanced mobility products, enhancing your technical expertise in the telecom field.
- Collaborate in a global engineering environment: Work closely with international teams to perform root cause analysis and propose effective solutions, developing cross-cultural and technical collaboration skills.
- Direct customer engagement for career growth: Engage with end-users and partners to resolve critical issues, improving customer satisfaction while strengthening problem-solving and communication abilities.
Annual Salary : 7 million and above
Job Description:
- Post-Implementation Support
- Identify and isolate issues reported by end-users or partners
- Participate in progress meetings and provide timely updates to clients
- Reproduce and analyze issues in the client’s lab environment
- Collaborate with global engineering teams to propose workarounds and conduct Root Cause Analysis (RCA)
- Recommend design or operational changes based on RCA findings
- Design & Documentation Support
- Prepare and present RCA reports
- Create and update technical documents such as design specifications and operational manuals
- Support testing and user manual creation for EPC, 5G NSA, and orchestration platform mobility products
Job Qualifications:
- Experience providing services directly to customers
- In-depth technical expertise in 4G LTE and 5G NSA mobility technologies
- Strong communication skills for managing critical issues with customers and partners, aiming to enhance customer satisfaction
- Ability to work effectively with global engineering teams
- Willingness to provide on-site support when needed
- Fluent in Japanese (Japanese nationality or local candidates only)
Technical Skills Required
- Deep knowledge of LTE 4G EPC architecture and operations
- Hands-on experience with virtual EPC solutions and their deployment models
- Understanding of 5G NSA (Non-Standalone) and 5G SA (Standalone) network architectures
- Familiarity with testing procedures for mobility products and related platforms
- Capability in designing, troubleshooting, and supporting mobile network components in both lab and production environments
- Bachelor’s degree with 7+ years of experience or Master’s degree with 4+ years of experience
Japanese languages: Native level Japanese (N) and business level English required.
About Company
This company is one of the largest IT consulting companies in Europe, with more than 200,000 employees based in locations in over 40 countries.
As a global leader in consulting, technology services and digital transformation, they were established in 2013 as a Japanese corporation of the world's leading IT consulting company at the forefront of innovation, and they offer a wide range of integrated services with the highest level of technology and abundant expertise.
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