> Stellar Cyber · Japan (Remote) · Full-time · Posted 2026-05-05
Workplace: remote
Department: 060000 Customer Success
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:
Cross-Functional Collaboration:
Technical Skills:
Deep understanding of:
Hands-on experience with:
Preferred Qualifications:
Experience:
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Location
Remote
Experience
5+ years
Total raised
$103.0M
Last stage
Series B
Investors
No applications, no recruiter spam. Just the intro.
A few questions to make sure this role is the right shape for you. Two minutes.
I write the intro, send it to the founder, and handle the back-and-forth.
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.