We are seeking a motivated PS Core Network Engineer to join our Swiss Core Network team based in Zurich. You will work in an international, fast‑paced environment and collaborate closely with cross‑functional teams and customer engineering groups. You will contribute to planning, delivery and stable operation of packet‑core solutions, proactively drive improvements and take on responsibilities beyond the core job scope.
Description
Key responsibilities
Plan, design and deliver end‑to‑end Packet Core products and solutions (5GC, PCF, PCRF) to ensure reliable and scalable network operation
Lead and provide technical expertise for major network deployments, upgrades, migrations and expansions
Participate in testing, troubleshooting, validation and rollout of new core network features and releases
Prepare and maintain technical documentation: design documents, runbooks, procedures and handover packages
Follow internal processes and use company systems to support project delivery and change management
Act as technical interface to customer engineering teams and support technical escalations
Support automation, optimisation and continuous improvement initiatives to enhance operations and deployment efficiency
Required profile (must‑have)
Minimum 3 years' hands‑on experience in network operations, engineering or delivery projects (preferably core networks)
Proven practical experience with 5GC / Packet Core products
Solid knowledge of PCF/PCRF and familiarity with VoLTE / VoNR call flows
Strong IP networking fundamentals (TCP/IP, OSPF, BGP) and Linux/UNIX command‑line experience
Basic understanding of telco cloud concepts, virtualization and container platforms
Self‑starter with a flexible working style and ability to work independently in a dynamic, customer‑facing environment
Excellent communication skills in English; proficiency in German is an advantage
Eligible to work in Switzerland
Preferred qualifications
Experience with Huawei NFV/IMS products or other vendor core solutions
Familiarity with cloud‑native technologies (Kubernetes, CNF/VM operations)
Experience with automation/orchestration tools (Ansible, Terraform, CI/CD) and monitoring platforms (Prometheus, Grafana, ELK)
Relevant certifications/training (e.g., 3GPP, CCNP, Linux, 5G/Packet Core)
Customer-facing or project delivery experience in multinational environments
Working conditions & benefits
Hybrid working model where applicable; regular site and customer visits required
Competitive Swiss compensation and benefits package
Opportunities for professional development, certifications and career progression
Collaborative, international team and challenging technical projects
Note
Only candidates authorised to work in Switzerland will be considered. We are an equal opportunity employer and welcome applications from all qualified candidates.