Tokyo JP Tokyo & Co. Inc.

We are looking for an experienced L2 Applications 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.


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

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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