Join our Team
About The Role
The
Core Network Infra Support Engineer ensures the stability, performance, and reliability of cloud-native 4G/5G core networks. You will collaborate with operations and design teams to troubleshoot complex issues, manage lifecycles, and optimize network solutions.
Key Responsibilities
- Operations: Support cloud-native and virtualized network functions (CNFs/VNFs) across environments.
- Troubleshooting: Resolve incidents via end-to-end analysis of cloud, network, and application layers.
- Analysis: Perform Root Cause Analysis (RCA) and document technical knowledge bases.
- Change Management: Execute upgrades, patches, and expansions following quality standards.
- Automation: Use Kubernetes and CI/CD tools to deploy and optimize network workloads.
- Collaboration: Work with R&D and design teams to validate fixes and solutions.
- Observability: Improve monitoring (dashboards, logs, metrics) for early fault detection.
- Support: Participate in on-call rotations for high-priority incidents.
- Documentation: Maintain SOPs, runbooks, and configuration baselines.
- Vendor Management: Coordinate with hardware vendors for troubleshooting and replacements.
Required Qualifications
- Education: Bachelor's degree in CS, IT, Telecom, or related field.
- Linux/Networking: Hands-on experience in Linux admin, IP routing, firewalls, and DNS.
- Kubernetes: Proficiency in K8s orchestration (pods, services, config, logs).
- Monitoring: Experience with distributed systems using Prometheus, Grafana, or ELK stacks.
- Scripting: Ability to write Python or Bash scripts.
- Problem Solving: Structured approach to incident handling and RCA.
- Communication: Strong written and spoken English for global collaboration.
Preferred Qualifications
- Mobile Core: Understanding of 4G/5G concepts (AMF, SMF, UPF, MME, SGW, etc.).
- Cloud Platforms: Experience with VMware, OpenStack, or Public Cloud.
- Protocols: Knowledge of SIP, Diameter, HTTP/2, SCTP, and Wireshark.
- Operations: Experience in 24/7 support environments.
- Certifications: CKA, CCNA/CCNP, or Cloud Provider certifications.
Personal Attributes
- Mindset: Customer-oriented with strong ownership and accountability.
- Teamwork: Effective collaborator in cross-functional, global teams.
- Growth: Continuous learner open to new technologies.
- Resilience: Ability to prioritize and perform under pressure during major incidents.
