Sigma Software

Global software development and IT consulting

Cyber Security Analyst - US team

Security Operations & Incident ResponsePosted on Nov 11

Full-timeSão Paulo, State of São Paulo, BrazilNo salary listedRemote

About the Job

Requirements

At least 3 years of experience in data analysis in cybersecurity or fraud detection, including experience with logs and dashboards.
Strong SQL skills, including complex queries, aggregations, GROUP BY, ORDER BY, filters, window functions such as RANK(), common table expressions, and subqueries.
Technical understanding of web technologies and client–server architecture, including APIs, HTTP, basic HTML, and JavaScript.
Experience working with web traffic data, including HTTP traffic, logs, request analysis, and traffic pattern investigation.
Experience with security information and event management systems.
Experience in customer support, including direct communication with clients.
Strong English communication skills.

Responsibilities

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 and deliver timely incident responses.
Produce clear, insightful incident reports.
Collaborate cross-functionally with Research and Development and Research teams to optimize detection and mitigation capabilities.
Design, plan, and implement internal automation projects to improve team efficiency.
Work a shift-based schedule, including weekends.

Desired Qualifications

Experience with the Elastic Stack.
Experience in a Cybersecurity Analyst or Researcher role, ideally supporting external customers in threat detection and response, web application security, bot management, or fraud detection.
Experience with research methodologies, including hypothesis testing, verification, and research planning.
Knowledge of Python and JavaScript.
Experience with BigQuery or Snowflake.
Proficiency in building dashboards using business intelligence tools such as Snowflake, Looker, Kibana, or JSM.

Job Description

Investigate advanced and persistent attacks using data analysis and data science tools
Analyze customers' web traffic to detect unidentified threats and reduce false positivesusing 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 the company's detection and mitigation capabilities
Design, plan, and implement internal automation projects to improve team efficiency
Work in a shift-based schedule, including weekends

Qualifications

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

WOULD BE A PLUS

Experience in a Cybersecurity Analyst/Researcher role, ideally supporting external customers in threat detection and response, providing web application security, bot management, fraud detection.
Experience with research methodologies (hypothesis testing, verification and research plan)
Python and JavaScript knowledge
Experience with BigQuery/Snowflake
Proficiency in building dashboards using BI tools (Snowflake, Looker, Kibana, JSM)

Additional Information

About the Company

Sigma Software

Global software development and IT consulting

Sigma Software provides software development services and IT consulting to more than 170 clients worldwide. It builds large-scale software solutions and guides startups from concept to a ready product, across industries such as banking, automotive, advertising, telecommunications, cybersecurity, gaming, aviation, real estate, and healthcare. The company works by deploying teams of skilled engineers and consultants, delivering projects through global delivery centers and emphasizing clear communication, flexibility, and alignment with clients’ business goals. Sigma Software differentiates itself with recognition as a top outsourcing firm (IAOP World’s Top 100 Outsourcing), a wide geographic footprint, and the ability to take projects from idea through production for both established enterprises and startups. Its goal is to help clients achieve their business objectives by delivering reliable software products and expert IT advice on time and within scope.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Stockholms kommun, Sweden
Founded: 2002

Recently Posted Jobs

Explore more opportunities at Sigma Software

See more jobs