About This Opportunity
Join Ericsson's Core Network Engineering Unit, where you will be at the forefront of our industry-leading Packet Core portfolio and solutions. This unit serves as the foundation of our technological leadership. Our Product Development Unit Packet Core is dedicated to maintaining our dominance in the Packet Core domain, advancing our leadership in the 5G and 6G landscape, and investing in balanced technological leadership within a competitive market.
We are seeking a skilled individual to join us in a dual role: General System Manager in the User Plane area and CT4 Back Office Specialist in the 3rd Generation Partnership Project (3GPP) Technical Specification Group CT, Working Group CT4. This position offers a unique opportunity to engage with cutting-edge core network technologies and influence the future of mobile communications.
More about the position
Key Responsibilities
General System Manager User Plane:• Traffic Management & Value-Added Functions: Manage traffic analysis, classification, enforcement, reporting, and optimizations, including NAT and security enhancements.• Develop and maintain system requirements, taking ownership of selected system artifacts to ensure accuracy.• Conduct system studies within your competence area, ensuring compliance with standards.• Support development teams with feature system views during feature development.• Review and approve CPI on area and feature levels.• Support customers through market support in sales and maintenance processes.
3GPP Standardization CT4 Back Office Specialist:• Support the CT4 Delegate by assisting in preparing for and participating in 3GPP CT4 meetings, including researching relevant documentation, drafting contributions, and managing follow-up actions.• Analyze existing and proposed 3GPP protocol specifications to assess their impact on Packet Core products and services. Assist in preparing internal and external documentation and reports.• Collaborate with cross-functional teams, including R&D, architecture, and product management, to ensure core network solutions align with 3GPP standards.• Engage with internal and external stakeholders to gather requirements, provide updates, and share insights from 3GPP activities.• Stay updated on trends and advancements in 3GPP standardization, focusing on core network protocols to maintain a competitive edge.
Qualifications• Educational Background: Degree in Telecommunications, Electrical Engineering, Computer Science, or related field. Advanced degrees or certifications are advantageous.• Technical Expertise: Strong understanding of core network protocols and architectures, with deep familiarity in 3GPP standards and Packet Core technologies.• Analytical Skills: Ability to interpret complex specifications and assess their impact on network design.• Communication & Collaboration: Excellent communication skills for technical and non-technical stakeholders, with a collaborative spirit.• Problem-Solving Ability: Creative and efficient resolution of technical issues.
Join Us
Be part of a team shaping the future of telecommunications. If you are passionate about mobile technologies and eager to contribute to the evolution of network standards, we would love to hear from you. Apply now to make a significant impact at Ericsson!
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: Spain (ES) || Madrid
Req ID: 784599
Skills Required
- Degree in Telecommunications, Electrical Engineering, Computer Science, or related field
- Strong understanding of core network protocols and architectures
- Deep familiarity with 3GPP standards and Packet Core technologies
- Ability to interpret complex specifications and assess their impact on network design
- Excellent communication skills for technical and non-technical stakeholders
- Creative and efficient resolution of technical issues
- Advanced degrees or certifications are advantageous
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Healthcare Strength — Comprehensive medical, dental, vision, and mental‑health options are positioned as core benefits with multiple plan choices in key markets. Official materials explicitly emphasize healthcare breadth as part of “Life at Ericsson.”
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Retirement Support — 401(k) with employer matching in the U.S., pensions in some regions, and broad access to an ESPP indicate strong long‑term financial support. Company filings and AGM materials describe share programs and post‑employment benefits as ongoing pillars of the package.
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Leave & Time Off Breadth — Paid time off, sick leave, holidays, and paid volunteer time are highlighted alongside generous parental leave in various locations. Time‑off entitlements are presented as a strong component of the total rewards offering.
Ericsson Insights
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 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.
