Technical Support Engineer – Cybersecurity Platform

Sigma Software Group

. Support customers at Tier 2 in real time and provide professional technical responses .

Posted 10/27/2026full-timeRemote • BrazilJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in technical support with a focus on customer communication and incident analysis. Proficient in SQL, ElasticSearch, and web technologies, with a foundational understanding of cybersecurity principles.

Highest-signal resume keywords

Technical Support ExperienceStrong SQL SkillsElasticSearch ProficiencyCustomer CommunicationBasic Cybersecurity Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SQLHTMLCSSJavaScriptLog AnalysisAPIsClient-Server ArchitectureTroubleshootingRegexCommon Table Expressions (CTE)

Soft Skills

ProfessionalismPolitenessProblem-SolvingCommunication

Tools & Technologies

Elastic StackKibanaBigQuery

Industry Keywords

CybersecurityNetwork SecurityWAFVPNCAPTCHAThreat AnalysisAd FraudClick FraudScalpingATO

Tech Stack

Tools & technologies

BigQueryCyber SecurityElasticSearchJavaScriptSQL

About the role

Key responsibilities & impact

Support customers at Tier 2 in real time and provide professional technical responses
Analyze customer traffic to identify undetected threats and false detections using mostly ElasticSearch and BigQuery (SQL)
Work side by side with customers, providing insightful incident reports
Communicate with global customers and provide quick responses and resolutions
Work cross-functionally with R&D and Research teams to optimize customers' ability to detect and mitigate cyber-attacks in real time

Requirements

What you’ll need

Experience in customer support, including direct communication with clients; professionalism and politeness are essential
2+ years of experience in the technical support domain, including working with logs and dashboards
Practical knowledge of HTML and CSS
Technical understanding of web technologies and client–server architecture, including APIs, HTTP, and JavaScript
Experience with Kibana and BigQuery
Strong SQL skills, including Common Table Expressions (CTE), aggregations, GROUP BY, ORDER BY, filters, window functions such as RANK(), and subqueries
Strong troubleshooting and problem-solving skills
Upper-Intermediate level of English or higher
Willingness to work in the US time zone
Basic cybersecurity knowledge, including proxy and NAT, WAF and Network Firewall, network security, VPN, CAPTCHAs, and CAPTCHA solvers
Understanding of threats including scraping, ATO or BF, scalping, ad fraud, and click fraud
Understanding of log analysis, APIs, client-server model, and regex
Experience with the Elastic Stack

Benefits

Comp & perks

Employees can work remotely