Customer Network Support Engineer

Join our Team

About the Role

At Ericsson, we are seeking a knowledgeable and dedicated Support Engineer to join our team. In this pivotal role, you will be charged to operate and support Ericsson NFVI and CNIS platforms across production, pre-production, and lab environments. Ensure high availability, performance, and resiliency for 5G, IMS, and other VNF/CNF workloads.

Key Responsibilities

• Operate, troubleshoot, and optimize Ericsson NFVI, CNIS, CEE, Kubernetes, SDN/SDI, networking, and storage platforms.
• Support CNIS data fabrics, Anycast Gateway, BGP, EVPN/VXLAN, ECMP, Clos/spine-leaf architectures, and multi-VRF environments.
• Lead complex incidents from triage through root cause analysis, permanent remediation, and post-incident reviews.
• Contribute to HLD/LLD, deployments, upgrades, expansions, migrations, and infrastructure changes in line with Ericsson and customer processes.
• Improve capacity, performance, failover, ingress/egress optimization, and overall infrastructure resiliency.
• Plan and execute upgrades, patching, hardware refreshes, and compatibility or regression testing.
• Develop automation and infrastructure-as-code using Python, Bash, Ansible, and/or Terraform.
• Maintain monitoring, logging, alerting, telemetry, runbooks, topologies, and operational documentation.
• Collaborate with CU, PDU, design, product, and customer operations teams, and mentor junior engineers.

Required Qualifications and Experience

• Bachelor’s or master’s degree in computer science, telecommunications, engineering, or equivalent practical experience.
• 10+ years of hands-on experience in cloud infrastructure and network operations, preferably in telecommunications or large-scale distributed environments.
• Strong experience with Ericsson NFVI and/or CNIS deployments in production environments.
• Proven experience with data center fabrics, production Kubernetes/CEE clusters hosting CNFs, and storage platforms supporting telco workloads.
• Demonstrated ability to lead complex technical incidents and deliver root cause analysis and remediation.

Technical Skills

• Ericsson NFVI and CNIS architecture, including compact and scalable fabric designs.
• IPv4/IPv6, BGP, EVPN/VXLAN, ECMP, Anycast Gateway, LAG/MC-LAG, and high-availability networking.
• Kubernetes cluster operations, CNF deployment patterns, service exposure, ECFE, networking, storage integration, and upgrades.
• SAN, NAS, and software-defined storage, including performance, capacity, resiliency, and I/O troubleshooting.
• Monitoring and logging tools such as Prometheus, Grafana, ELK, or equivalent.

Soft Skills

• Strong analytical, problem-solving, communication, collaboration, and ownership skills.
• Ability to work effectively across teams and cultures, including during high-pressure incidents.
• Willingness to mentor engineers and improve operational reliability.

Nice to Have

• Experience with Ericsson 5G Core, IMS, PCG, PCC, or other core network VNFs/CNFs.
• Familiarity with service meshes, ingress controllers, and network policies.
• Networking, cloud, or Kubernetes certifications such as CCNP, CCIE, or CKA.