Senior Technical Support Engineer-Japan

Stellar Cyber· 060000 Customer Success
Apply Now ↗
🌍 Remote📍 Japan📍 TELECOMMUTEFull time

About this role

Join a fast-growing global leader in cybersecurity, trusted by some of the biggest names in the industry. In addition to some of the world’s largest enterprises and government agencies, more than 30% of the world’s top MSSPs rely on our platform. We’re at the forefront of protecting organizations against sophisticated cyber threats using cutting-edge AI and automation technologies. Our culture is built on diversity, openness, and collaboration, fostering creativity and innovation that drives real impact in the market.

We are seeking a Senior Technical Support Engineer to actively participate in advanced technical support operations for our market in Japan regarding our SIEM and cybersecurity platform. This role is responsible for customer escalations, complex break-fix troubleshooting and operational excellence. The ideal candidate has deep technical expertise and thrives in high-severity incident scenarios.

Please note, as part of our interview process, we may invite candidates for an in-person interview to meet with our team. 

Technical & Escalation Management:

  • Act as the primary escalation point for critical and high-impact customer issues
  • Lead and perform hands-on troubleshooting for complex break-fix scenarios involving:
    • SIEM pipelines, log ingestion, parsing, normalization
    • Network security, IDS/IPS, endpoint, and cloud telemetry
    • Performance, scalability, and data integrity issues
    • Participate directly in support ticket rotation, including on-call and weekend coverage
    • Drive root cause analysis (RCA) and ensure corrective and preventive actions are implemented

Customer Engagement:

  • Engage directly with customers during Severity 1 / business-impacting incidents
  • Communicate clearly and confidently with security teams, architects, and leadership
  • Set expectations, provide status updates, and lead incident resolution calls
  • Translate technical findings into actionable customer guidance

Cross-Functional Collaboration:

  • Work closely with Engineering, Product, DevOps, and SOC teams
  • Advocate for supportability and operational readiness in new releases
  • Provide feedback from customer issues to influence product improvements
  • Assist with release validation, upgrades and complex customer deployments

Technical Skills:

Deep understanding of:

  • SIEM architectures and log pipelines
  • Network protocols (TCP/IP, DNS, HTTP, Syslog)
  • Linux systems, troubleshooting, and performance tuning

Hands-on experience with:

  • Log parsing and normalization (regex, JSON, CEF, LEEF)
  • Cloud platforms (AWS, Azure, GCP)
  • Security technologies (firewalls, IDS/IPS, EDR, IAM)
  • Strong troubleshooting skills across distributed systems

Preferred Qualifications:

  • Experience supporting enterprise or MSSP customers
  • Background in SOC operations or incident response
  • Familiarity with Elasticsearch, Kafka, Kubernetes, or similar platforms
  • Experience operating in 24×7 global support environments

Experience:

  • 5+ years of experience in technical support, systems engineering, or security operations
  • Strong background in SIEM, cybersecurity, or large-scale observability platforms

Frequently Asked Questions

Is the salary disclosed for the Senior Technical Support Engineer-Japan position at Stellar Cyber?
The salary for this Senior Technical Support Engineer-Japan role at Stellar Cyber is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Technical Support Engineer-Japan job at Stellar Cyber remote?
Yes, this Senior Technical Support Engineer-Japan position at Stellar Cyber is remote, with team members based in Japan, TELECOMMUTE. You can work from home or anywhere in the supported regions.
Is the Senior Technical Support Engineer-Japan role at Stellar Cyber full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Technical Support Engineer-Japan role in the 060000 Customer Success department at Stellar Cyber.
Which team or department does the Senior Technical Support Engineer-Japan at Stellar Cyber belong to?
This Senior Technical Support Engineer-Japan position is part of the 060000 Customer Success department at Stellar Cyber. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Technical Support Engineer-Japan position at Stellar Cyber?
Click the "Apply Now" button on this page. You will be redirected to Stellar Cyber's official application portal hosted on workable where you can submit your application directly.
When was the Senior Technical Support Engineer-Japan job at Stellar Cyber posted?
This Senior Technical Support Engineer-Japan position at Stellar Cyber was posted on May 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Technical Support Engineer-Japan
Stellar Cyber
Apply for this role ↗

You'll be redirected to Stellar Cyber's official application page on workable.