Onsite Senior 5G Core Network Engineer

Calance US; Richardson (TX); On-site; USD 100,000 - 125,000; Full time

Job summary

Calance US is hiring a Core Network Engineer (5G) for an onsite role in Richardson, TX. This senior position focuses on the design, deployment, operation, and optimization of 5G core networks with hands-on engineering and automation.

The candidate will work across SA/NSA deployments, support wholesale deployments, and contribute to lab/test cells, while delivering reliable and scalable 5G core solutions and interfaces.

Qualifications

• Bachelor's or Master's degree in computer science or engineering.
• 5–8 years in telecom designing and managing mobile core networks.
• Experience with Open5GS, free5GC, or Magma.
• Proficiency in programming languages: C++, Python, Golang, Bash.
• Solid knowledge of 5G Core SA/NSA and 3GPP specs.
• Experience with IMS, VoLTE/VoNR, SIP/RTP.

Responsibilities

• Design, deploy, operate, and maintain 5G Core Network components.
• Support inter-PLMN roaming and interconnect architectures.
• Provide Tier-3 NOC support and incident resolution.
• Develop automation scripts in Python/Bash/Go.
• Collaborate with RAN and infrastructure teams.
• Pre-sales technical input and design documentation.
• Deployment, integration, testing, and handover to operations.

Skills

5G Core knowledge SA/NSA

Programming languages

Automation scripting

Education

Bachelor's or Master's in CS/Engineering

Tools

Docker

Kubernetes

Git

CI/CD tools

Job description

Calance US is hiring a Core Network Engineer (5G) for an onsite role in Richardson, TX. This senior position focuses on the design, deployment, operation, and optimization of 5G core networks with hands-on engineering and automation.

The candidate will work across SA/NSA deployments, support wholesale deployments, and contribute to lab/test cells, while delivering reliable and scalable 5G core solutions and interfaces.