Core Network Engineer (Signalling)

TL;DR

Core Network Engineer (Signalling): Designing and deploying 4G/5G signaling solutions and managing vendor technical integrations with an accent on 5G SEPP and DRA CNF migration. Focus on Kubernetes-based platform automation and optimizing mobile core network architecture.

Location: Hybrid in Warsaw, Poland

Company

hirify.global is a leading global telecommunications provider focusing on advanced network infrastructure and connectivity.

What you will do

• Lead technical meetings and negotiations with vendors to define feature requests and resolve discovered issues.
• Participate in design working groups for e2e, cLab, 5G roaming, and migration from legacy VNF to CNF.
• Technically lead signaling projects in international Lab environments, including 5G SEPP and DRA CNF deployment.
• Collaborate with and support DT in the area of 4G and 5G signaling technology.
• Develop and provide solutions for testing and platform automation with a focus on Kubernetes.

Requirements

• Experience as a Telco System Engineer or Designer in the Mobile Core domain.
• Proficiency in 4G signaling (Diameter, DRA, DEA, SFW) and 5G signaling (HTTP/2, SEPP, SCP, SFW).
• Knowledge of VNF/CNF, Kubernetes platforms, encryption, interworking, and integrations.
• Strong understanding of mobile core network architecture.
• Fluency in English (spoken and written).
• Ability to lead cross-functional teams and a proactive problem-solving attitude.

Culture & Benefits

• Friendly and open work environment.
• Competitive salary and additional benefits.
• Strong development opportunities within hirify.global/T-Hub.
• Access to modern technologies and professional training platforms.