Posted 3 d ago
Cyber Security Analyst (US team)
·São Paulo, SP, Brazil·via SmartRecruiters
Posted by Sigma Software on 11 November 2026, 3 days ago. Still on their SmartRecruiters board when we checked 18 min ago. Half of Sigma Software's roles come down within 35 days.
remoteEntry Level3+ yrsFull time
What the posting is about
Investigate advanced cyber threats using data analysis tools, analyze web traffic to detect unidentified threats, provide real-time technical support to global customers, and collaborate cross-functionally to optimize detection capabilities.
Your experience, ready for this role
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Read out of the posting
LevelEntry Level
Experience asked3+ years
EmploymentFull time
LocationSão Paulo, SP, Brazil
Work arrangementRemote
Visa sponsorshipNot stated
SalaryNot extracted, check the posting
Posted2026-11-11
Found viasmartrecruiters, direct from their system
We had it within the hour it went up.
The posting, as the company wrote it
Employment: Full-time
Experience level: Entry Level
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 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 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)
Company Description
We're seeking motivated, sharp-minded professionals to join our team as a Cyber Security Analyst/Researcher. In this role, you'll collaborate directly with clients, examine traffic patterns, and play a key part in identifying and neutralizing harmful bots and online threats.
Why join us? If you're passionate about cybersecurity and eager to make the internet a safer place, this is your chance to make a meaningful contribution.
CUSTOMER
Our client delivers advanced cybersecurity solutions designed to protect organizations, users, and digital ecosystems from evolving online threats. The company specializes in bot defense and anti-malvertising technologies for the AdTech industry, supporting SSPs, DSPs, agencies, and publishers through scalable protection platforms, customizable reporting tools, and API integrations.
PROJECT
The project focuses on real-time threat detection and bot mitigation for enterprise-scale clients. Cyber Security Analysts collaborate directly with customers, leveraging advanced analytics platforms to identify malicious traffic patterns and neutralize online threats. This dynamic environment requires both technical expertise and strong communication skills.
Also open at Sigma Software
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