Customer Network Support Engineer

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 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.

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.

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. Why join Ericsson? At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.   What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson