Jobs Companies Stellar Cyber Senior Technical Support Engineer-Korea

About this Senior Technical Support Engineer-Korea role at Stellar Cyber

Stellar Cyber · Remote · South Korea

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 Korea 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

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
  • English language fluency is a must for this role.

Ready to apply to Stellar Cyber?
Apply to Stellar Cyber

About Stellar Cyber

Stellar Cyber Open XDR platform delivers comprehensive, unified security without complexity, empowering lean security teams of any skill to successfully secure their environments. With Stellar Cyber, organizations reduce risk with early and precise identification and remediation of threats while slashing costs, retaining investments in existing tools, and improving analyst productivity, delivering a 20X improvement in MTTD and an 8X improvement in MTTR. The company is based in Silicon Valley.

See all jobs at Stellar Cyber →

Similar jobs

GitLab
Senior Support Engineer
GitLab
⚡ Apply early Remote, South Korea · location restricted
● New 👁 Seen ✓ Applied 3d ago
KRAFTON
[Studio Support Div.] Sr. Client Engineer (7년 이상)
KRAFTON
⚡ Apply early Seoul Onsite
● New 👁 Seen ✓ Applied 1w ago
ASM
Engineer II, Global Product Support
ASM
⚡ Apply early South Korea > Hwaseong Onsite
● New 👁 Seen ✓ Applied 2w ago
ASM
Senior Engineer I, Global Product Support
ASM
⚡ Apply early South Korea > Hwaseong Onsite
● New 👁 Seen ✓ Applied 2w ago
ASM
Senior Engineer I, Total Product Support (Epi)
ASM
⚡ Apply early South Korea > Hwaseong Onsite
● New 👁 Seen ✓ Applied 2w ago
Ashby
Product Support Engineer - APAC
Ashby
⚡ Apply early Australia · location restricted JPY 11,950,000–JPY 13,750,000
● New 👁 Seen ✓ Applied 3w ago
Databento
Technical Support Engineer (L1/Frontline Support), APAC
Databento
⚡ Apply early Remote / Hong Kong / Shanghai... · location restricted
● New 👁 Seen ✓ Applied 4w ago
Bubble
Technical Product Support Specialist
Bubble
⚡ Apply early NYC, New York Onsite $79,000–$79,000
● New 👁 Seen ✓ Applied 3h ago
Anrok
Technical Support Specialist
Anrok
⚡ Apply early San Francisco Hybrid $105,000–$135,000
● New 👁 Seen ✓ Applied 3h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at Stellar Cyber

See all jobs at Stellar Cyber →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free