> Markdown version of [/jobs/ext/3044497-general-system-manager-user-plane](https://www.wearedevelopers.com/jobs/ext/3044497-general-system-manager-user-plane). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # General System Manager User Plane - **Company:** Ericsson's Core Network Engineering Unit - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Data Transmissions, Network Planning and Design, Software Requirements Analysis, Traffic Analysis, Information Technology - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role * 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. ## Description 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., 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.