Tokyo JP Tokyo & Co. Inc.


Hiring: Applications L2 Operations Engineer


Location:
Tokyo, Japan

Note: Japanese language is not required, Visa support is available

Overseas experience is added advantage specially in Japan


Job Overview

We are looking for an experienced
Applications L2 Operations Engineer
to support and operate
Email / ACS / IoT platforms
in a high-availability, enterprise environment.

The role involves
L2 operations, incident management, system monitoring, automation, and collaboration with development teams
, ensuring reliable 24×7 service delivery.


Technical Skills Required

  • Distributed systems:
    Kafka, Elasticsearch
  • Containers & orchestration:
    Kubernetes, Docker
  • CI/CD & DevOps tools:
    GitHub, Jenkins
  • Monitoring & observability:
    Prometheus, Grafana, Kibana
  • Networking:
    IPv4 / IPv6, DNS, Load Balancing
  • OS & Databases:
    Linux, SQL / NoSQL
  • Telecom basics:
    4G, 5G, RAN, Core Networks


Key Responsibilities

  • Provide
    Level 2 support
    for
    Email / ACS / IoT products
    .
  • Troubleshoot issues related to
    HTTP(S), SMTP, SOAP/XML
    and similar protocols.
  • Act as
    SME
    for
    Incident, Problem, Change, Configuration & Ticket Management
    .
  • Monitor system health using
    alerts, alarms, KPIs, metrics
    , and utilization data.
  • Perform
    root cause analysis
    and lead
    post-incident reviews (post-mortems)
    .
  • Ensure
    24×7 availability
    across Dev, QA, and Production environments.
  • Collaborate with
    development teams
    on feature design, reviews, and deployment.
  • Work with internal teams, partners, and vendors on escalations and corrective actions.
  • Develop and maintain
    automation, CI/CD pipelines
    , and operational tooling.
  • Maintain
    technical documentation
    to improve operational efficiency.
  • Participate in
    on-call rotation
    and support during off-hours as needed.

Mandatory Skills:-
In-depth knowledge and hands-on experience in areas such as Kubernetes, Cloud, CPE, and others.

Hiring #L2Support #ApplicationsSupport


DevOps #SRE #CloudOperations #Kubernetes #Docker



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