5G Core Network Engineer, APIs
MetTel
CloudDockerFirewallsGoJavaKubernetesPython
Salary
💰 $135,000 per year
Job Level
Mid-LevelSenior
Tech Stack
CloudDockerKubernetes
About the role
- Lead the design, architecture, and implementation of our 5G core network, leveraging expertise in 3GPP standards and protocols
- Ensure smooth integration of the core functions (5G SA / NSA, 4G) with existing MetTel infrastructure for a seamless user experience
- Configure and manage core network element Containerized Network Functions (MME, SGW, HSS, PCRF, PGW) and 5G components
- Implement and manage IPX (IP Exchange) solutions for data exchange between network operators and MetTel Enterprise subscribers
- Configure and manage roaming protocols (S6a, S5, S8, GTP) to enable seamless connectivity for roaming subscribers
- Partner with network engineering teams to integrate the core network with RAN, SD-WAN and other network components
- Perform regular capacity planning and optimization to meet performance and scalability requirements
- Monitor network performance, identify and troubleshoot core network issues, and implement corrective actions
- Stay up-to-date on advancements in 5G core technology (network slicing, edge computing, NFV)
- Document network architecture, configurations, and procedures for future reference and knowledge sharing
Requirements
- Minimum 5 years of experience in cellular network core architecture and design
- In-depth knowledge of 3GPP standards and protocols for 5G core (e.g., NG-RAN, AMF, SMF, UPF) and 4G core (e.g., MME, SGW, PGW)
- Proven experience in designing, deploying, and managing 5G core network infrastructure
- Experience with IPX integration and roaming protocols (S6a, S5, S8, GTP)
- Configure and manage core network element Containerized Network Functions (MME, SGW, HSS, PCRF, PGW); experience with 5G (SA, NSA)
- Experience with GSMA documents (IR.21) and tools (RAEX)
- Familiarity with network automation tools and scripting languages is a plus
- Excellent analytical and problem-solving skills
- Strong communication, collaboration, and interpersonal skills
- Ability to work independently and as part of a team
- (Desirable) Experience with cloud-native network architectures and containerization technologies (Docker, Kubernetes)
- (Desirable) Experience with network performance monitoring and optimization tools
- (Desirable) Experience with network security principles and best practices
