Lediga jobb KDDI Spherience AB i Stockholm

We are seeking a Customer Success Manager to join our growing global connected services team in Stockholm, Sweden. In this role, you will build and maintain strong, long-term customer relationships, acting as a trusted advisor and primary bridge between the customer and internal teams. You will ensure customer success by driving value realization, service excellence, and continuous improvement across all engagements.
The role also include shaping customer success strategies, influencing cross-functional alignment, and proactively driving continuous improvement initiatives.
You will play a critical role in maximizing customer lifetime value, reducing churn, and positioning the organization as a trusted partner.
About KDDI
We are a global Top 10 telecommunications pioneer and a Global Fortune 500 company providing our international customer base with data centers, networks, content delivery, system integration, and more. We connect vehicles from several of the world's largest Automotive OEMs, as well as mobility and IoT programs across the globe. Our industry-leading Telehouse data center provides colocation at over 40 sites in 23 cities across 12 countries, including London, New York, Frankfurt, and Shanghai. Leveraging our strengths as a telecom provider, we combine IT and network expertise to deliver secure, scalable, and stress-free connectivity for our customers.
Responsibilities
Develop and maintain strong relationships with customers and key stakeholders across functional interfaces.
Act as the primary point of contact for all customer-facing operational and tactical matters.
Drive customer success by ensuring adoption, value realization, and alignment with customer objectives.
Deliver regular service reviews, including SLA performance, KPIs, and customer health metrics.
Manage customer communications, expectations, escalations, and overall satisfaction.
Proactively identify risks, issues, and opportunities for improvement, and drive resolution.
Lead problem management and continuous improvement initiatives across services and projects.
Provide regular reporting on account status, service performance, and ongoing initiatives.
Collaborate with internal teams (Sales, Product, Support, Engineering) to deliver seamless service.
Coordinate and manage cross-functional escalations and ensure timely resolution.
Monitor incidents, changes, and service requests, ensuring adherence to SLAs and timelines.
Engage in critical and high-priority incidents, coordinating communication and stakeholder updates.
Facilitate customer meetings, including service reviews, roadmap discussions, and operational syncs.
Identify growth opportunities and support account expansion in collaboration with Sales.
Support after-hours escalations, major incidents, and planned service activities when required.



Knowledge and Skills
Technical Skills
Understanding of Wireless/Cellular technologies (4G/5G, eSIM, Packet Core)
Basic knowledge of Cloud and Virtualization technologies
Familiarity with IoT services and platforms
Experience with incident management and ticketing systems



Soft Skills
Excellent written and verbal communication skills in Japanese and English is mandatory.
Strong stakeholder management and relationship-building capabilities.
Ability to work effectively in a fast-paced, dynamic, and ambiguous environment.
Strong problem-solving, analytical, and decision-making skills.
Proactive mindset with a focus on continuous improvement and customer outcomes.
Strong collaboration, negotiation, and conflict resolution skills.



Requirements
Bachelor’s degree in Engineering, Information Technology, Telecommunications, Computer Science, or related field (or equivalent experience).
5+ years of experience in Customer Success, Service Delivery, Account Management, or Customer facing technical support roles.
Proven track record of managing and growing customer relationships.
Strong understanding of ITIL principles and service management best practices.
Experience working in telecom, connectivity (4G/5G), IoT, or related domains is preferred.
Strong business and technical acumen, with the ability to translate technical issues into business impact.
Experience with CRM tools, service management platforms, and reporting systems would be an added advantage. Visa mindre

Summary
We are seeking a senior Test Engineer with deep expertise in cellular technologies and IoT devices to join our growing global Operations team. In this role, you will design and execute test cases, validate end-to-end connectivity, and support device certification during customer implementation phases. You will play a critical role in ensuring that cellular devices, SIMs, and platforms behave reliably across multiple radio access technologies (2G/3G/4G/5G/5G SA), while collaborating closely with global partners, mobile network operators, and enterprise customers.
This is an exciting opportunity to influence how testing is structured in a fast-growing team and contribute directly to the success of connected mobility programs worldwide.


About KDDI
We are a global Top 10 telecommunications pioneer and a Global Fortune 500 company providing our international customer base with data centers, networks, content delivery, system integration, and more. We connect vehicles from several of the world's largest Automotive OEMs, as well as mobility and IoT programs across the globe. Our industry-leading Telehouse data center provides colocation at over 40 sites in 23 cities across 12 countries, including London, New York, Frankfurt, and Shanghai. Leveraging our strengths as a telecom provider, we combine IT and network expertise to deliver secure, scalable, and stress-free connectivity for our customers.


Responsibilities
Review Statements of Work (SOWs) and technical documents to derive end-to-end test plans.
Develop, execute, and document test cases covering:
RAT selection and handover
eSIM profile activation and fallback (SGP.22 / SGP.32)
Attach/detach, PDP context activation, roaming scenarios
Voice (VoLTE/VoNR/eCall) and data session validation
Manage internal and external test activities with customers, MNO partners, and third-party labs.
Act as single point of contact for defect reporting, root cause analysis, and troubleshooting across device, SIM, and network layers.
Capture and analyze device and network traces using tools such as QXDM, QCAT, Wireshark, AT commands.
Share knowledge gained from testing with internal project and operations teams to ensure smooth launches.
Support device certification activities (e.g., GCF/PTCRB, operator IOT testing).
Identify opportunities to automate recurring test procedures and improve efficiency.
Stay current on emerging technologies (5G SA, NTN, private networks) and incorporate into test strategies.



Knowledge and Skills
Technical Skills
Strong knowledge of Wireless, Cellular 4G/5G (NSA & SA), RAT mobility, VoLTE/VoNR
Solid understanding of eSIM/eUICC, SGP.22/SGP.32 flows, and SIM lifecycle
Familiarity with Packet Core, APNs, IP networking, DNS, VPN/IPsec
Hands-on experience with test tools: QXDM, QCAT, Wireshark, AT command interface
Exposure to IoT services, cloud/virtualization, and API-driven environments preferred



Soft Skills
Excellent written and verbal communication skills, able to explain complex technical findings clearly
Strong analytical mindset and structured approach to problem-solving
Collaborative, customer-focused, and comfortable working with international stakeholders
Proactive, detail-oriented, and committed to quality and timely delivery



Requirements
Bachelor’s degree in Telecommunications, Computer Science, Engineering, or related field (or equivalent experience)
5+ years of hands-on experience in device and network testing (cellular / IoT / automotive preferred)
Proven experience with multi-RAT device testing, roaming validation, and SIM/eSIM integration
Familiarity with operator certification processes (IOT), GCF/PTCRB conformance is an advantage
Ability to work independently and manage multiple priorities in a fast-paced, global environment



Join Us
Joining KDDI Spherience as a Test Engineer offers an exciting opportunity to work with cutting-edge IoT, telecom, and connected mobility technologies. If you are a motivated professional with a passion for cellular device testing and delivering high-quality solutions, we encourage you to apply. Visa mindre

Summary:
We are seeking a motivated, customer-oriented and technically experienced Solution Architect to join our growing global Solutions & Delivery team. As a Solution Architect, you will lead the design and technical delivery of IoT and Connected Mobility solutions for enterprise customers. The ideal candidate brings a strong understanding of cellular networking, cloud architecture, and global mobile operator ecosystems, and is passionate about translating complex customer needs into reliable, scalable, and secure solutions.
About KDDI:
We are a global Top 10 telecommunications pioneer and a Global Fortune 500 company providing our international customer base with data centers, networks, content delivery, system integration, and more. We serve some of the world's most advanced connected mobility platforms. Our industry-leading Telehouse data center brand provides colocation at over 40 sites in 23 cities across 12 countries/territories including London, New York, Frankfurt, and Shanghai. Leveraging our deep knowledge of telecom and IT infrastructure, we design stress-free global connectivity for our customers through innovation, simplicity, and operational excellence. KDDI Spherience is a fully owned subsidiary focusing on global connectivity for IoT and Automotive. Find us on sperience.io and https://www.linkedin.com/company/kddi-spherience.
Responsibilities:
Lead end-to-end technical architecture from embedded device (eSIM/TCU) to backend APIs and cloud integration.
Represent KDDI Spherience as the technical lead during workshops, RFIs/RFPs, and technical alignment sessions with customers.
Engage and coordinate with Tier 1 Mobile Network Operators worldwide to support design, provisioning, and lifecycle integration.
Design high-availability and geo-redundant connectivity architectures, including security, orchestration, and monitoring layers.
Work closely with internal product, cloud, and network teams to deliver well-integrated and validated solutions.
Translate customer business requirements into solution blueprints, HLDs/LLDs, and technical Statements of Work.
Support internal engineering and commercial teams during pre-sales and post-sales engagement.
Ensure architectural designs meet international standards and regional regulations (e.g., GDPR, ISO27001, eUICC).



Knowledge and Skills:
Technical Skills:
Solid understanding of wireless technologies, including 4G/5G, eSIM/eUICC, private networks, and mobile core elements (Packet Core, APN, VPN).
Strong cloud and infrastructure design background (e.g., AWS, Azure), including API exposure, security principles, and CI/CD practices.
Experience with IoT/Connected Car platforms, including orchestration, SIM lifecycle, and telemetry integration.
Understanding of telecom and IP networking (e.g., IPsec, CGNAT, DNS, DHCP) and architecture documentation.
Prior experience in multi-region deployments and working with global MNOs and enterprise customers.



Operational and Functional Skills:
Strong understanding of ITIL principles, documentation, and architectural governance practices.
Familiarity with connectivity SLAs, compliance mandates, and service performance KPIs.
Capable of supporting tender response processes and preparing full technical submissions.



Soft Skills:
Excellent written and oral communication skills.
Able to explain complex architectural concepts clearly to technical and non-technical audiences.
Proactive and collaborative mindset with strong stakeholder alignment capabilities.
Structured and methodical with a passion for creating scalable solutions.



Requirements:
Bachelor’s or Master’s degree in telecommunications, engineering, computer science, or equivalent field.
10+ years of experience in solution architecture, preferably within IoT, telecom, or connected mobility environments.
Demonstrated experience in customer-facing technical roles across international environments.
Previous exposure to mobile network operators, SIM provisioning flows, or mobility platform integration is a strong plus.
Experience working in pre-sales or technical consulting is desirable.
Fluent English required; other languages (e.g., German, Japanese, Swedish) are a plus.



About you as an individual:
We’re looking for someone who enjoys solving challenging technical problems and thrives in a dynamic global environment. You’re curious, pragmatic, and energized by translating big ideas into working systems. You collaborate well across cultures and disciplines—and bring clarity and structure into complex environments. Just as importantly, you’re someone who our customers trust and our internal teams enjoy working with.
Join Us:
Joining KDDI Spherience as a Solution Architect offers a rare opportunity to work at the intersection of cutting-edge IoT, cloud, and telecom innovation. If you’re passionate about global connected services and want to architect solutions that matter, we’d love to hear from you. Visa mindre

Summary:
We are seeking highly motivated and customer focused Support engineers to join our growing global Operations team. As a Support Engineer, you will be responsible for providing technical assistance and troubleshooting support to our clients (B2B) and internal teams. We are looking for both Senior and Junior Support Engineers. The “ideal candidate” will have a strong background in telecommunications and IoT solutions, excellent problem-solving abilities, and a passion for delivering exceptional customer service OR be in the beginning of his/her journey to become exactly this.


About KDDI:
We are a global Top 10 telecommunications pioneer and a Global Fortune 500 company providing our international customer base with data centers, networks, content delivery, system integration, and more around the world. We connect several of the world’s largest Automotive brands around the globe. Our industry-leading Telehouse data center provides colocation at over 40 sites in 23 cities in 12 countries/territories including London, New York, Frankfurt and Shanghai. Leveraging our strengths as a telecom provider, we leverage our IT and telecom network knowledge to provide a stress-free environment for our customers.


Responsibilities:
• Provide technical support and assistance to customers experiencing issues with products and services, including voice, data, and networking solutions.
• Perform incident handling in accordance with Incident Management procedures.
• Monitor, diagnose and troubleshoot complex technical problems related to network infrastructure.
• Troubleshoot in Operational Support Tools and other available means.
• Communicate effectively with customers to gather information about issues and provide timely updates on the status of support tickets.
• Collaborate with cross-functional teams, including sales, engineering, and product development, to resolve customer issues and ensure timely resolution.
• Document support activities, including troubleshooting steps, solutions, and customer interactions, in a clear and concise manner.
• Develop and maintain knowledge base articles, technical documentation, and training materials to support customer self-service and internal knowledge sharing.
• Participate in 24/7/365 rotations.
• Stay up-to-date with the latest telecommunications technologies, industry trends, and best practices to continuously improve technical skills and knowledge.
• Identify opportunities for process improvement and contribute to the development of tools and resources to enhance support efficiency and effectiveness.
• Foster positive relationships with customers by providing proactive communication, personalized support, and timely resolution of issues.
• Senior role: Mentor and coach junior support engineers by providing guidance and mentorship on technical troubleshooting and customer service best practices.
• Deliver training sessions for new staff members on core technical skills, product knowledge, and troubleshooting procedures relevant to the support role.


Knowledge and Skills:
Technical Skills:
• Senior role: In-depth knowledge of Wireless, Cellular 4G/5G, eSIM, Packet Core and IP technologies.
• Junior role: Knowledge of Wireless, Cellular 4G/5G, and IP technologies.
• Solid understanding of IoT services is preferred.
• Good Linux Foundation
• Familiar with Wireshark or similar analysis tools
• Basic understanding of Cloud and Virtualization technologies would be beneficial.


Operational Skills:
• Strong understanding of ITIL/ITSM principles and best practices.


Soft Skills:
• Excellent written and oral communication skill
• Ability to work effectively in a fast-paced and ambiguous environment with strong judgment.
• Proven people, problem-solving, innovation, analysis, collaboration, and escalation management skills.
• Proactive approach to problem-solving, including gap analysis and implementation of corrective action plans.


Requirements:
• Bachelor's degree in engineering, information technology, data communications, telecommunications, computer science, or a related field, or equivalent education and work experience.
• At least 3 years of experience in technical support services.
• Proven experience in a technical support role preferably within the telecommunications and IoT industry.
• Senior role: Proven experience in a technical support role within the telecommunications and IoT industry, with a strong understanding of network topologies, connectivity, networking protocols, and telecommunications standards.
• Proficiency in troubleshooting techniques and tools
• Excellent communication skills, both written and verbal, can explain technical concepts to non-technical audiences.
• Strong problem-solving and analytical skills, with the ability to systematically analyze complex issues and identify root causes.
• Customer-focused mindset with a dedication to delivering high-quality support and exceeding customer expectations.
• Ability to work independently and collaboratively in a fast-paced environment, managing multiple priorities and adapting to changing requirements.


About you as an individual:
We’re seeking someone who not only possesses the right skills but also aligns with our vibrant culture. We want to hear your story—what drives you, what excites you, and how your experiences have shaped who you are today. Your personality is as important as your qualifications because we believe that work should be as enjoyable as it is fulfilling.


Join Us:
Joining KDDI operations team as a Support Engineer offers an exciting opportunity to work with cutting-edge IoT and telecommunications technology and contribute to the success of our customers. If you are a motivated and experienced professional with a passion for delivering exceptional customer support, we encourage you to apply for this position.


Field of business:
Telecommunication


Employment type:
Full time (40 hrs/week)
We operate 24/7/365 in a 3-shift model Visa mindre

Support Engineer – Junior and Senior – KDDI Spherience (IoT)
Summary:
We are seeking highly motivated and customer focused Support engineers to join our growing global Operations team. As a Support Engineer, you will be responsible for providing technical assistance and troubleshooting support to our clients (B2B) and internal teams. We are looking for both Senior and Junior Support Engineers. The “ideal candidate” will have a strong background in telecommunications and IoT solutions, excellent problem-solving abilities, and a passion for delivering exceptional customer service OR be in the beginning of his/her journey to become exactly this.


About KDDI:
We are a global Top 10 telecommunications pioneer and a Global Fortune 500 company providing our international customer base with data centers, networks, content delivery, system integration, and more around the world. We connect several of the world’s largest Automotive brands around the globe. Our industry-leading Telehouse data center provides colocation at over 40 sites in 23 cities in 12 countries/territories including London, New York, Frankfurt and Shanghai. Leveraging our strengths as a telecom provider, we leverage our IT and telecom network knowledge to provide a stress-free environment for our customers.

Responsibilities:
· Provide technical support and assistance to customers experiencing issues with products and services, including voice, data, and networking solutions.
· Perform incident handling in accordance with Incident Management procedures.
· Monitor, diagnose and troubleshoot complex technical problems related to network infrastructure.
· Troubleshoot in Operational Support Tools and other available means.
· Communicate effectively with customers to gather information about issues and provide timely updates on the status of support tickets.
· Collaborate with cross-functional teams, including sales, engineering, and product development, to resolve customer issues and ensure timely resolution.
· Document support activities, including troubleshooting steps, solutions, and customer interactions, in a clear and concise manner.
· Develop and maintain knowledge base articles, technical documentation, and training materials to support customer self-service and internal knowledge sharing.
· Participate in 24/7/365 rotations.
· Stay up-to-date with the latest telecommunications technologies, industry trends, and best practices to continuously improve technical skills and knowledge.
· Identify opportunities for process improvement and contribute to the development of tools and resources to enhance support efficiency and effectiveness.
· Foster positive relationships with customers by providing proactive communication, personalized support, and timely resolution of issues.
· Senior role: Mentor and coach junior support engineers by providing guidance and mentorship on technical troubleshooting and customer service best practices.
· Deliver training sessions for new staff members on core technical skills, product knowledge, and troubleshooting procedures relevant to the support role.


Knowledge and Skills:
Technical Skills:
· Senior role: In-depth knowledge of Wireless, Cellular 4G/5G, eSIM, Packet Core and IP technologies.
· Junior role: Knowledge of Wireless, Cellular 4G/5G, and IP technologies.
· Solid understanding of IoT services is preferred.
· Good Linux Foundation
· Familiar with Wireshark or similar analysis tools
· Basic understanding of Cloud and Virtualization technologies would be beneficial.


Operational Skills:
· Strong understanding of ITIL/ITSM principles and best practices.


Soft Skills:
· Excellent written and oral communication skills.
· Ability to work effectively in a fast-paced and ambiguous environment with strong judgment.
· Proven people, problem-solving, innovation, analysis, collaboration, and escalation management skills.
· Proactive approach to problem-solving, including gap analysis and implementation of corrective action plans.


Requirements:
· Bachelor's degree in engineering, information technology, data communications, telecommunications, computer science, or a related field, or equivalent education and work experience.
· At least 3 years of experience in technical support services.
· Proven experience in a technical support role preferably within the telecommunications and IoT industry.
· Senior role: Proven experience in a technical support role within the telecommunications and IoT industry, with a strong understanding of network topologies, connectivity, networking protocols, and telecommunications standards.
· Proficiency in troubleshooting techniques and tools
· Excellent communication skills, both written and verbal, can explain technical concepts to non-technical audiences.
· Strong problem-solving and analytical skills, with the ability to systematically analyze complex issues and identify root causes.
· Customer-focused mindset with a dedication to delivering high-quality support and exceeding customer expectations.
· Ability to work independently and collaboratively in a fast-paced environment, managing multiple priorities and adapting to changing requirements.


About you as an individual:
We’re seeking someone who not only possesses the right skills but also aligns with our vibrant culture. We want to hear your story—what drives you, what excites you, and how your experiences have shaped who you are today. Your personality is as important as your qualifications because we believe that work should be as enjoyable as it is fulfilling.


Join Us
Joining KDDI operations team as a Support Engineer offers an exciting opportunity to work with cutting-edge IoT and telecommunications technology and contribute to the success of our customers. If you are a motivated and experienced professional with a passion for delivering exceptional customer support, we encourage you to apply for this position. Visa mindre