4G / 5G / 6G Core Network System Engineer

Grow with us

About this opportunity

Ericsson's Core Network Engineering Unit plays a pivotal role in our industry-leading Packet Core portfolio, serving as the cornerstone of our technological leadership. The Product Development Unit Packet Core (PDU PC) is dedicated to maintaining its market leadership, excelling in the 5G landscape, and continuously driving innovation in a highly competitive market. We are committed to innovation, sustainability, and teamwork, fostering an inclusive environment where professionals from all backgrounds can thrive and grow.

You will join a collaborative team of System Managers (also known as System Engineers) within PDU PC software development, actively participating in early project phases. This role is equivalent to a System Engineer position within the telecom industry, with a focus on system behavior, functionality, and feature studies in the User Plane area.

Success in this role will be demonstrated by contributing to the delivery of 5G solutions, advancing PCG product capabilities, and driving results within our software development organization. This position offers excellent growth potential, with opportunities to advance to Senior System Manager, System Architect, or, through Solution Line connections, a Strategic Product Manager role.

What you will do

• Work in the 5G Packet Core User Plane area, mainly in UPF / PGW-U (PCG / EPG)
• Provide the technical network / black box system perspective for your area
• Develop and maintain system requirements, ensuring accuracy and ownership of selected artifacts : Markdown documentation, update requirements in T-reqs portal
• Conduct system studies to ensure compliance with industry standards : Review RFCs (Request for Comments), 3GPP Technical specifications, prepare presentation materials
• Support development teams with a feature-system perspective during the development lifecycle. Clarify and review requirements in Gerrit
• Review and approve Customer Product Information (CPI) at both area and feature levels
• Assist customers via market support in sales and maintenance processes
• Embrace challenges such as working with requirements, supporting development teams, defining sustainable and resilient products, and aligning with our Core Network Engineering (CNE) strategy

You will bring

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?

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.

Primary country and city : Spain (ES) || Madrid

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