Senior Technical Support Engineer

🔥 3 hours ago

🇵🇹 Portugal – Remote

⏰ Full Time

🟠 Senior

📞 Support Engineer

👻 Ghost score 11%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Stellar Cyber

WebsiteLinkedInAll Job Openings

51 - 200 employees

🔒 Cybersecurity

🤖 Artificial Intelligence

🏢 Enterprise

💰 $38M Series B on 2021-11

Cybersecurity • Artificial Intelligence • Enterprise

Stellar Cyber is a company that provides an automation-driven security operations platform seamlessly integrating next-generation SIEM, Network Detection and Response (NDR), and Open Extended Detection and Response (XDR). Their platform utilizes advanced AI to quickly detect and correlate cybersecurity threats across various security tools, offering comprehensive threat intelligence and automated incident response to enhance security operations for enterprises, MSSPs, and MSPs. With a focus on reducing security operation costs and improving threat response times, Stellar Cyber helps organizations protect their entire attack surface, including on-premises, cloud, and IT/OT environments.

📋 Description

• Act as the primary escalation point for critical and high-impact customer issues • Lead hands-on troubleshooting for complex break-fix scenarios involving SIEM pipelines, log ingestion, parsing, and normalization • Troubleshoot network security, IDS/IPS, endpoint, and cloud telemetry issues • Resolve performance, scalability, and data integrity issues • Participate in support ticket rotation, including on-call and weekend coverage • Drive root cause analysis and ensure corrective and preventive actions are implemented • Engage directly with customers during Severity 1 and business-impacting incidents • Communicate with security teams, architects, and leadership • Set expectations, provide status updates, and lead incident resolution calls • Translate technical findings into actionable customer guidance • Collaborate with Engineering, Product, DevOps, and SOC teams • Advocate for supportability and operational readiness in new releases • Provide customer-issue feedback to influence product improvements • Assist with release validation, upgrades, and complex customer deployments

🎯 Requirements

• Deep understanding of SIEM architectures and log pipelines • Knowledge of network protocols: TCP/IP, DNS, HTTP, and Syslog • Linux systems troubleshooting and performance tuning experience • Hands-on experience with log parsing and normalization, including regex, JSON, CEF, and LEEF • Experience with cloud platforms: AWS, Azure, and GCP • Experience with security technologies: firewalls, IDS/IPS, EDR, and IAM • Strong troubleshooting skills across distributed systems • 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 • Experience supporting enterprise or MSSP customers preferred • Background in SOC operations or incident response preferred • Familiarity with Elasticsearch, Kafka, Kubernetes, or similar platforms preferred • Experience operating in 24×7 global support environments preferred