SENIOR SW DEVELOPER (FIREWALL)

Join our Team About this opportunity.
We are seeking a senior software developer with expertise in the 5G Core Network, particularly in Packet Core Firewall, and a strong passion for developing new functionalities related to 5G mobile data processing.
This role will involve programming open-platform, real-time, and high-availability systems.
What you will do.
You will collaborate with a multi-functional team to develop new functionalities for the 5G User Plane.
This involves participating in the full software feature lifecycle, from analyzing the solution and setting requirements in the early phases, to coding, testing, and deploying the software on live networks, while providing support to customer teams.
You will be part of a multinational organization with teams located in Spain, Sweden, and China.
The skills you bring.
A bachelor’s, master’s, or doctorate degree in computer science, telecommunication engineering, or a related field Proficiency or willingness to learn programming of open-platform, real-time, and highly available systems, as well as scripting Proficiency in C programming and at least one scripting language (e.
., Python, shell/bash) on UNIX/Linux Solid knowledge of TCP/IP networking, IP-based applications (e.
., HTTP, HTTPS), and security Ability to investigate and debug complex issues, including performance tuning, troubleshooting, and core dump analysis Familiarity with cloud-native software stacks and execution environments, including containers (e.
., Docker) Knowledge of operating system architectures and the ability to model scalable designs and solutions Excellent written and spoken English, with confidence in working in international environments Competencies of Extra Value Advanced Linux user and network administrator skills Experience in configuring network equipment Knowledge of 4G/5G mobile network architecture, interfaces, protocols, and functions Proficiency in C++ and/or Golang Understanding of link-layer protocols, such as ARP, ND, and BFD (Routing and L2-L4 protocols) Work experience in networking and security products, such as routers (including BGP/OSPF), Carrier Grade NAT, or Firewalls We are looking for a talented candidate who is willing to work in a flexible environment, combining remote work and in-office presence in Madrid (50%).
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.