Cyber Security Analyst

Sigma Software Group

. Investigate advanced and persistent attacks using data analysis and data science tools .

Posted 11/11/2026full-timeRemote • United States, BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in data analysis and cybersecurity, with a strong focus on threat detection and incident response. Proficient in SQL, web technologies, and automation projects to enhance operational efficiency.

Highest-signal resume keywords

Data Analysis In CybersecurityStrong SQL SkillsExperience With SIEM SystemsWeb Traffic Data AnalysisCustomer Support Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data AnalysisSQLIncident ResponseThreat DetectionWeb Traffic AnalysisTroubleshootingResearch MethodologiesPythonJavaScriptBuilding Dashboards

Soft Skills

Problem-SolvingProfessionalismPolitenessCommunication Skills

Tools & Technologies

ElasticsearchBigQueryElastic StackBI ToolsSnowflakeLookerKibanaJSM

Industry Keywords

CybersecurityFraud DetectionClient-Server ArchitectureAPIsHTTPLogsDashboardsIncident Reports

Tech Stack

Tools & technologies

BigQueryCyber SecurityElasticSearchJavaScriptPythonSnowflakeSQL

About the role

Key responsibilities & impact

Investigate advanced and persistent attacks using data analysis and data science tools
Analyze customers' web traffic to detect unidentified threats and reduce false positives using Elasticsearch and BigQuery
Research, design, and continuously enhance detection mechanisms to stay ahead of evolving threats
Provide real-time technical support to global customers, delivering professional and timely incident responses
Produce clear, insightful incident reports
Collaborate cross-functionally with R&D and Research teams to optimize detection and mitigation capabilities
Design, plan, and implement internal automation projects to improve team efficiency
Work in a shift-based schedule, including weekends

Requirements

What you’ll need

At least 3 years of experience in data analysis in cybersecurity or fraud detection domains, including experience with logs and dashboards
Strong SQL skills: complex queries, aggregations, GROUP BY, ORDER BY, filters, window functions (e.g., RANK()), CTEs, and subqueries
Technical understanding of web technologies and client–server architecture (APIs, HTTP, basic HTML/JavaScript)
Experience working with web traffic data, including HTTP traffic, logs, request analysis, and traffic pattern investigation
Experience with SIEM systems; experience with the Elastic Stack would be an advantage
Strong troubleshooting and problem-solving skills
Experience in customer support, including direct communication with clients; professionalism and politeness are essential
Strong English communication skills
Experience in a Cybersecurity Analyst/Researcher role, ideally supporting external customers in threat detection and response, providing web application security, bot management, or fraud detection
Experience with research methodologies (hypothesis testing, verification and research plan) would be a plus
Python and JavaScript knowledge would be a plus
Experience with BigQuery/Snowflake would be a plus
Proficiency in building dashboards using BI tools (Snowflake, Looker, Kibana, JSM) would be a plus

Benefits

Comp & perks

Full-time employment