About the RoleJoin our team as a Senior Technical Support Engineer, leading technical support and driving innovation in how we deploy, maintain, and evolve our network products. You'll work closely with customers, product development, and technology teams to ensure smooth product integration, resolve complex issues, and shape the future of network operations through data and AI-driven insights.
What You'll Do
- Lead technical investigations, troubleshooting, and product deployments for key customers.
- Act as the technical single point of contact (SPOC) for strategic accounts, ensuring fast and high-quality issue resolution.
- Champion the use of Data Analytics and AI to optimize network performance, predict issues, and drive smarter operations.
- Collaborate with design and product teams to translate field insights into product improvements.
- Support proof of concepts, demos, and trials in both lab and customer environments.
- Mentor peers, share technical knowledge, and foster continuous learning across teams.
- Drive initiatives to improve processes, product performance, and customer satisfaction.
What You Bring
- Bachelor's or master's degree in engineering or related field.
- Language Proficiency: Fluent to Native Japanese; Business level English
- Proven experience in RAN/ERS systems, hardware/software integration, LTE & NR technologies.
- Strong analytical and problem-solving skills with a data-driven and AI-oriented mindset.
- Excellent communication skills for technical discussions and cross-functional collaboration.
- Ability to perform under pressure, adapt to change, and lead through influence.
- Passion for innovation, automation, and AI transformation in telecom operations.
Why Join Us
Be a technical leader and AI transformation champion - driving the shift from traditional support to predictive, data-informed operations that shape the future of our networks and customer experience
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 solutions never seen before 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 champion 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 Employer. learn more.
Primary country and city: Japan (JP) || Yokohama
Req ID: 780357
Top Skills
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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Ericsson Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.

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