Integration Engineer (Core Network Infra Team)
About the role
The Cloud IP Integration Engineer is an integration engineer role, primarily responsible for building core network infrastructure and performing IP and switch configuration for cloud-based core network and service platforms. The role is hands-on and technically deep, focusing on Layer 2/Layer 3 network design, switch operation, and end-to-end integration in lab and pre-production environments.
You will work closely with cloud, core network, and infrastructure teams to ensure stable, secure, and high-performance connectivity for our cloud solutions. The role includes participation in an on-call rotation and support for night-time change requests (CRs) when required.
Key responsibilities
- Installation cloud-native and virtualized Core Network functions (CNFs/VNFs) customer environments.
- Execute integration and verification activities for IP/network services.
- Collaborate with Cloud / Virtualization teams to integrate IP networking with cloud platforms (e.g., OpenStack).
- Collaborate with 2 nd line support, solution design, and customer-facing teams to reproduce issues, test fixes, and validate solutions.
- Participate in on-call / standby support rotation for high-priority incidents as required.
- Document standard operating procedures (SOPs), runbooks, and configuration baselines for supported environments.
- Drive hardware vendors to perform troubleshooting and coordinate hardware replacement (HW) when required.
Required qualifications
- Bachelor's degree in Computer Science, Information Technology, Information Management, Telecommunications, or related field (or equivalent practical experience).
- Typically 3-6 years of hands-on experience in IP networking in data center, enterprise, or telecom environments.
- Hands-on experience with Linux system administration and basic networking (IP routing, firewalls, load balancing, DNS).
- Practical experience with container platforms and orchestration, ideally Kubernetes (deployment, pods, services, config, logs).
- Practical experience using network diagnostic tools (ping, traceroute, tcpdump/Wireshark, CLI debug commands) to troubleshoot connectivity and performance issues.
- Ability to write and execute integration and test cases, and to document results clearly.Good English communication skills, both written and spoken, with the ability to collaborate across global teams.
Preferred qualifications
- Understanding of mobile core network concepts (4G EPC and/or 5G Core), such as:
- AMF/SMF/UPF, MME/SGW/PGW, PCRF/PCF, UDM/UDR, IMS basics
- Experience with public or private cloud platforms (e.g., VMware, OpenStack or telco cloud platforms).
- Knowledge of telecom protocols (SIP, Diameter, HTTP/2, SCTP) and related troubleshooting tools (tcpdump, Wireshark).
- Experience in a 24x7 operations or customer support environment, including on-call duties.
- Exposure to security, resilience, and high availability concepts for mission-critical systems.
- Certifications in cloud, Kubernetes, or networking (e.g., CKA, CCNA/CCNP, cloud provider certifications) are a plus.
Personal attributes
- Customer- and service-oriented mindset with a sense of ownership and accountability.
- Team player who collaborates effectively with cross-functional and cross-cultural teams.
- Continuous learner, open to new technologies and ways of working.
- Ability to prioritize and work under pressure during major incidents or tight deadlines.
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: Taiwan (TW) || Taipei
Req ID: 783195
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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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