Technical Support Engineer (Cybersecurity Platform)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Technical Support Engineer (Cybersecurity Platform) based in Brazil.

Join a fast-paced AdTech and cybersecurity environment dedicated to protecting digital ecosystems from malicious advertising and online threats. In this role, you will provide advanced technical support to customers, investigate suspicious traffic patterns, and help identify security threats and false detections. You will work with log analysis, SQL queries, and monitoring tools to uncover insights that improve threat detection and incident resolution. Collaborating closely with customers and internal research and development teams, you will help strengthen cybersecurity defenses and enable faster responses to emerging attacks. This position combines customer communication, analytical thinking, and hands-on technical troubleshooting in a globally connected environment. If you enjoy solving complex problems, learning continuously, and staying ahead of evolving cyber threats, this opportunity offers a meaningful way to make an impact.

• Provide Tier 2 technical support to customers in real time, delivering clear, professional, and timely responses to technical questions and incidents.

• Analyze customer traffic and investigate suspicious activity to identify previously undetected threats, false positives, and inaccurate detections.

• Use ElasticSearch, Kibana, BigQuery, and SQL queries to examine logs, investigate patterns, and support data-driven troubleshooting.

• Prepare detailed incident reports that communicate findings, explain technical issues, and provide actionable recommendations to customers.

• Maintain effective communication with international customers, ensuring prompt responses, clear expectations, and efficient issue resolution.

• Collaborate with research and development teams to improve customers' ability to detect and mitigate cyberattacks in real time.

• Investigate technical issues involving web technologies, APIs, HTTP requests, and client-server interactions.

• Contribute to continuous improvements in troubleshooting practices, threat analysis, and the overall effectiveness of the cybersecurity platform.

• Stay informed about emerging online threats and evolving attack techniques to help maintain effective security detection and response capabilities.

Requirements:

• At least two years of experience in technical support, including working with logs, dashboards, and technical troubleshooting workflows.

• Previous customer support experience with direct client communication, demonstrating professionalism, patience, and a customer-focused approach.

• Practical knowledge of HTML and CSS.

• Solid understanding of web technologies and client-server architecture, including APIs, HTTP, and JavaScript.

• Hands-on experience with Kibana and BigQuery or comparable log analysis and data investigation tools.

• Strong SQL skills, including Common Table Expressions (CTEs), aggregations, GROUP BY, ORDER BY, filtering, window functions such as RANK(), and subqueries.

• Strong analytical, troubleshooting, and problem-solving abilities, with the capacity to investigate complex issues and identify root causes.

• Upper-intermediate English proficiency or higher, with the ability to communicate technical findings clearly to international customers.

• Willingness and availability to work according to US time-zone requirements.

• Ability to work collaboratively across customer support, research, and engineering teams in a dynamic technical environment.

The following qualifications are considered an advantage:

• Basic cybersecurity knowledge, including proxies, Network Address Translation (NAT), Web Application Firewalls (WAF), network firewalls, VPNs, CAPTCHAs, and CAPTCHA-solving techniques.

• Understanding of online threats and malicious activities, including web scraping, account takeover (ATO), brute-force (BF) attacks, scalping, advertising fraud, and click fraud.

• Familiarity with log analysis, APIs, the client-server model, and regular expressions (regex).

• Experience working with the Elastic Stack and related observability and search tools.

Benefits:

• Meaningful cybersecurity impact: Help protect digital platforms and users from malvertising and other online threats.

• Technical development: Build practical experience in threat investigation, traffic analysis, SQL, and cybersecurity support.

• Collaborative environment: Work closely with international customers and cross-functional research and development teams.

• Continuous learning: Develop your technical skills while keeping up with emerging cyber threats and evolving technologies.

• Problem-solving opportunities: Tackle challenging technical investigations and contribute to improving security detection and incident response.

• Global exposure: Communicate with customers across different markets in an international AdTech environment.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

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