Infra Systems Engineer

1 week ago

Noida, Uttar Pradesh, India Ericsson-Worldwide Full time ₹ 20,00,000 - ₹ 25,00,000 per year
Join our Team

About this opportunity:

At Ericsson, you can be a game changer Because working here isn't just a deal. It's a big deal. This means that you get to leverage our 140+ years of experience & the expertise of more than 95,000 diverse colleagues worldwide. As part of our team, you will help solve some of society´s most complicated challenges, enabling you to be 'the person that did that.' We've never had a greater opportunity to inspire change; setting the bar for technology to be inclusive & accessible; empowering a hard-working, sustainable, & connected world.

What you will do:

  • End-to-end administration and operations of CNIS platforms including Kubernetes, container runtimes, and cloud-native infrastructure components.
  • Manage and optimize Cloud Container Distribution (CCD), covering provisioning, upgrades, backup/restore, lifecycle management, and disaster recovery readiness.
  • Perform CCD health checks, configuration drift analysis, capacity tracking, and environment validation across clusters.
  • Work closely with app and platform teams to onboard workloads and provide CCD-level support.
  • Monitor system performance and availability using tools like Prometheus, Grafana, and other tools.
  • Ensure compliance with security, governance, and operational policies.
  • Participate in and lead DR planning, execution, and RCA of major incidents.
  • Maintain detailed runbooks, MOPs, and CNIS documentation for operational readiness.
  • Monitor SDI health and performance, resolve bottlenecks, and ensure seamless integration with CNIS layers.
  • Good troubleshooting experience with CNIS components.
  • Expertise in Red Hat Enterprise Linux (RHEL) system administration and troubleshooting.
  • Hardware troubleshooting experience on HP ProLiant, Dell PowerEdge servers.
  • Patch management, firmware upgrades, and OS-level tuning.
  • Strong hands-on experience with Juniper and Extreme Networks switches.
  • Switch boot process, firmware upgrades, backup/restore, Border leaf switch management and troubleshooting.
  • Familiarity with traffic filtering, isolation, and multi-tenant CNIS network architecture.
  • Configuration of VLANs, trunking, port profiles (access/trunk), and ACLs.
  • Strong knowledge on CEPH Storage administration and troubleshooting.

The skills you bring:

  • 10+ years of Experience is supporting & managing business critical operations.
  • In depth knowledge & working experience on Linux Administration.
  • In depth knowledge & working experience on Dockers, Kubernetes & any other cloud platform.
  • Troubleshooting & Debugging skills to find issues.
  • Understanding of SDN and integration with container networking layers (e.g., Calico).
  • Familiarity with traffic filtering, isolation, and multi-tenant CNIS network architecture.
  • Switch boot process, firmware upgrades, backup/restore, Border leaf switch management and troubleshooting.
  • Configuration of VLANs,trucking, port profiles (access/trunk), and ACLs.
  • Performance analysis, component replacement, switch stacking, and chassis management.

Certifications Preferred:

  • CKA / CKAD / CKS – Kubernetes certifications
  • Red Hat Certified System Administrator (RHCSA/RHCE)
  • Networking certifications (Juniper/Extreme/SDN)
  • ITIL Foundation (preferred in process-driven environments)

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