HimalayasHimalayas logo
Stellar CyberSC

Senior Technical Support Engineer

Stellar Cyber offers an AI-driven Open XDR platform that unifies and simplifies security operations, enabling lean teams to detect and respond to threats across their entire environment.

Stellar Cyber

Employee count: 51-200

Japan only

Stay safe on Himalayas

Never send money to companies. Jobs on Himalayas will never require payment from applicants.

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.

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

Requirements

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

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Experience

5 years minimum

Location requirements

Hiring timezones

Japan +/- 0 hours

About Stellar Cyber

Learn more about Stellar Cyber and their company culture.

View company profile

Through groundbreaking technology, Stellar Cyber is revolutionizing cybersecurity at Stellar Cyber, Inc. by empowering organizations to illuminate the darkest corners of their security operations. The company's core mission is to enable businesses to see incoming attacks, understand how to combat them, and act decisively to protect what matters most. Stellar Cyber's innovative Open XDR (Extended Detection and Response) platform is at the forefront of this revolution, offering a comprehensive, unified, and AI-powered solution designed to simplify complexity and empower lean security teams of any skill level. This platform uniquely integrates Next-Generation SIEM (NG-SIEM), Network Detection and Response (NDR), and Multi-Layer AI™ into a single license, providing unparalleled visibility and control.

Stellar Cyber's approach addresses critical challenges faced by modern security operations centers (SOCs), such as tool fatigue from managing multiple, siloed security products and the overwhelming volume of alerts. By ingesting data from virtually any source across the entire security stack – including EDR, email, firewall, cloud logs, identity providers, and OT environments – the platform normalizes and enriches this data, providing a consistent format for context-aware analysis. The Multi-Layer AI™ engine then automatically analyzes this unified data to detect and correlate alerts into actionable incidents, significantly reducing alert fatigue and improving threat detection accuracy. This automation extends to response, with capabilities embedded directly into the analyst's workflow, eliminating the need for separate SOAR tools and streamlining the entire incident lifecycle from detection to remediation. The platform's API-first architecture ensures seamless integration with existing security tools and workflows, including ticketing systems and collaboration platforms, allowing organizations to retain their current investments while enhancing their overall security posture. Stellar Cyber is committed to an open ecosystem, as demonstrated by its Open Cybersecurity Alliance Program, which fosters integration with a wide array of best-in-class cybersecurity solutions. This focus on openness and automation translates into tangible benefits for customers, including a reported 20X improvement in Mean Time to Detect (MTTD) and an 8X improvement in Mean Time to Remediate (MTTR).

Claim this profileStellar Cyber logoSC

Stellar Cyber

View company profile

Similar remote jobs

Here are other jobs you might want to apply for.

View all remote jobs

19 remote jobs at Stellar Cyber

Explore the variety of open remote roles at Stellar Cyber, offering flexible work options across multiple disciplines and skill levels.

View all jobs at Stellar Cyber

Remote companies like Stellar Cyber

Find your next opportunity by exploring profiles of companies that are similar to Stellar Cyber. Compare culture, benefits, and job openings on Himalayas.

View all companies

Find your dream job

Sign up now and join over 100,000 remote workers who receive personalized job alerts, curated job matches, and more for free!

Sign up
Himalayas profile for an example user named Frankie Sullivan