1 day ago
Budapest, HungaryMid Level
Responsibilities
- Design, implement, and optimize cloud-native User Plane Core components for data-plane processing, packet forwarding, and high performance.
- Develop and harden authentication, authorization, encryption, secure boot, secrets management, and isolation controls.
- Implement packet processing using DPDK, XDP, eBPF, VPP, or equivalent technologies.
- Containerize and deploy components using Kubernetes, CRI-O or containerd, Helm, and Operators.
- Contribute to automated testing, CI/CD pipelines, observability, scale testing, and performance tuning.
- Perform threat modeling, vulnerability assessment, remediation, and incident-response collaboration with SRE and SecOps teams.
- Collaborate with standards, product, integration, QA, operations, and control-plane teams to ensure interoperability.
- Mentor peers and contribute to design documentation, code reviews, and engineering practices.
Requirements
- Bachelor’s or master’s degree in computer science, telecommunications, electrical engineering, or equivalent experience.
- At least 4 years of software development experience in networking, systems, or telecommunications.
- Strong programming skills in C/C++ and/or Go.
- Hands-on experience with DPDK, XDP, eBPF, or VPP and container technologies such as CNI.
- Practical experience with TLS, IPsec, certificate handling, and secure key management.
- Familiarity with 3GPP 5G architecture, User Plane components, GTP-U, and PFCP.
- Experience with automated testing, CI/CD, and observability tools including Prometheus, Grafana, Jaeger, and ELK.
- Experience with AWS, Azure, or GCP, managed Kubernetes, Cilium, Calico, Istio, CISSP or security training, pktgen, TRex, UPF, SMF, VNFs, CNFs, NFV, or Telco Cloud is advantageous.
Benefits
- Cafeteria fringe benefits of gross 840,000 HUF per year, annual bonus, and life-event-related benefits.
- Employee Assistance Program, life and accident insurance, wellbeing initiatives, company share purchase plan, referral bonus, and All You Can Move partner access.
- Internal and external learning programs, technical workshops, conferences, and language courses.
- Hybrid work in accordance with the Home Office Policy in a modern Budapest office in the 11th district.
- Laptop, mobile phone, free underground garage parking, bike storage, showers, and lockers.
Tech Stack
Categories
About Ericsson
Ericsson is a publicly traded telecommunications vendor that builds mobile network infrastructure (RAN, core, OSS/BSS), cloud platforms, and managed services for communications providers and enterprises. Founded in 1876 and headquartered in Kista, Stockholm, it supplies 5G systems to operators worldwide and owns Vonage, expanding network APIs and enterprise communications offerings.