Senior Technical Support Engineer
- Role
- Support
- Experience
- Senior
- Employment
- Full-time
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
Required skills
Optional skills
Required languages
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 Brazil 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 Portuguese fluency is a must for this role.
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.