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Stellar Cyber

Senior Technical Support Engineer

RemoteBrazil only
Published
Role
Support
Experience
Senior
Employment
Full-time
Salary not disclosed
Check eligibility

Open to BR only. Set where you work from to check your eligibility.

No BS summary

Senior technical support engineer for Brazil market, with 5+ years in technical support, systems engineering, or security operations. Must have deep SIEM/cybersecurity expertise, Linux, networking, cloud platforms, and Portuguese fluency. Expect escalations, Sev1 incidents, on-call/weekend support, and complex troubleshooting.

Core skills

SIEMLinuxNetwork protocols

Required skills

TCP/IPDNSHTTPSyslogRegexJSONCEFLEEFAWSAzureGCPFirewallsIDS/IPSEDRIAM

Optional skills

ElasticsearchKafkaKubernetes

Required languages

Portuguese Fluent / must-have likely native-level not specified beyond fluency requirements.

What you'll do

  • 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
  • Lead and perform hands-on troubleshooting for complex break-fix scenarios involving network security, IDS/IPS, endpoint, and cloud telemetry
  • Lead and perform hands-on troubleshooting for complex break-fix scenarios involving 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
  • 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
  • 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

What they require

  • Deep understanding of SIEM architectures and log pipelines
  • Deep understanding of network protocols (TCP/IP, DNS, HTTP, Syslog)
  • Deep understanding of Linux systems, troubleshooting, and performance tuning
  • Hands-on experience with log parsing and normalization (regex, JSON, CEF, LEEF)
  • Hands-on experience with cloud platforms (AWS, Azure, GCP)
  • Hands-on experience with security technologies (firewalls, IDS/IPS, EDR, IAM)
  • Strong troubleshooting skills across distributed systems
  • Preferred: Experience supporting enterprise or MSSP customers
  • Preferred: Background in SOC operations or incident response
  • Preferred: Experience operating in 24×7 global support environments
  • 5+ years of experience in technical support, systems engineering, or security operations
  • Strong background in SIEM, cybersecurity, or large-scale observability platforms
  • Portuguese fluency is a must for this role

Stellar Cyber is a fast-growing cyber security company focused on delivering holistic cyberattack protection to organizations while significantly reducing total costs of ownership with its innovative Open XDR (eXtended Detection and Response) platform based on advanced ML and security technologies.

CybersecurityStartup
Salary not disclosed