Administrator (Support & Operations)

Job Summary

• Work Overview

Responsible for build and 24x7  L2 operation of BMM application(Rakuten’s Internal) and  container platform (k8s-based)

• • Operations & Management
    • Monitor, Manage and operate the BMM(Containerized app owned by Rakuten) and take necessary action for seamless running of application
    • Drive the issue/cases raised by user to closure utilizing the knowledge base existing
  • Technical Skills
    • Ability to work at both at infrastructure and application layer of Kubernetes in Prod and Lab environments
  • Development & Automation
    • Code modifications in python and Ansible environment to deploy in production.
  • Discipline on Training and Education
    • Creation of documentation and playbooks necessary for knowledge hub pages and trainings.
  • Issues / Incident Support in production environment
    • Recovery, Root Cause Analysis (RCA)
    • Communication with platform and BMM vendors
    • Creation of presentation materials

Key Responsibilities

Experience & Track Record

• Over 5 or 3 years of experience designing, building, and operating on telecom clouds (on-premises private clouds).
• Proven experience in incident management and root cause analysis in production environments.
• Extensive experience with Kubernetes, including deploying, managing, and troubleshooting clusters in production.
• Development expertise in operational efficiency and automation tools (e.g., Ansible, Python).
• Experience in deploying and modifying Helm charts to adjust configurations on demand, complying with Change Management Policies.

Skill Requirements

Technical Skills & Certifications

• Certified Kubernetes Administrator (CKA) or equivalent certification.
• Strong Linux expertise, including experience with performance tuning, troubleshooting, and scripting.
• Strong troubleshooting skills across hardware (servers), OS (Linux), networks, Kubernetes, and cloud platform software.
• Networking fundamentals for cloud and telecom environments.

Documentation & Leadership

• Proven ability to create detailed technical documentation, including requirements, HLD (High-Level Design), and LLD (Low-Level Design) documents.
• Proven management and communication skills to lead operations as a technical leader, including progress and risk management.

Language Proficiency

• English: Business Level

Cloud-Native & DevOps Expertise

• Experience with cloud-native technologies, including Istio, Helm, and Prometheus.
• Understanding of observability practices, including experience with Grafana for visualization and Prometheus for monitoring metrics.
• Familiarity with Continuous Integration/Continuous Deployment (CI/CD) pipelines and tools like Jenkins, GitLab.
• Expertise in hybrid cloud environments, integrating on-premises private clouds with public cloud services.

Operations & Database Knowledge

• Experience with working in an operations environment and following SLA/SLOs.
• Knowledge of working in database technologies and building applications connecting to them.

Development & Scripting

• Strong skills in debugging code in Python and Ansible.

Certifications

• Relevant Linux certifications (e.g., RHCSA, RHCE).

Other Requirements