Technical Support Engineer (Cybersecurity Platform)

Sigma Software; São Paulo; On-site; BRL 60,000 - 100,000; Full time

Job summary

Sigma Software is seeking a Technical Support Engineer for its cybersecurity platform in a fast-paced AdTech environment. You will handle Tier 2 support, analyze traffic for threats, and craft incident reports for global customers.

The role requires strong SQL, Elastic Stack experience, and English proficiency. You’ll collaborate with R&D and research teams to improve real-time threat detection and mitigation capabilities.

Qualifications

• 2+ years in technical support
• Experience with logs and dashboards
• Knowledge of HTML and CSS
• Experience with Elastic Stack (Elasticsearch, Kibana)
• Upper-intermediate English
• Willing to work in the US time zone

Responsibilities

• Support Customers (Tier 2) in real time and provide professional technical responses
• Analyze Customer traffic to identify undetected threats and false detections using 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 RnD and Research teams to optimize Customer’s ability to detect and mitigate cyber-attacks in real time

Skills

Customer support

Communication

SQL

Logs & dashboards

English (Upper-Intermediate)

US time zone willingness

Problem-solving

Professionalism

HTML & CSS basics

Tools

ElasticSearch

Kibana

BigQuery

HTML

CSS

Job description

Technical Support Engineer (Cybersecurity Platform)

• Full-time

We are seeking a Technical Support Engineer to work within a highly dynamic AdTech ecosystem with the goal to protect the world from malvertising.

Being part of our team means being open-minded, friendly, and supportive, willing to take on challenges, take responsibility, and never stop learning. We must stay one step ahead of the attackers, which means being smarter, faster, and thinking outside the box.

Sound interesting? Join us!

• Support Customers (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 RnD and Research teams to optimize Customer’s ability to detect and mitigate cyber-attacks in real time

• 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 is a must
• Experience of Kibana and BigQuery
• Strong SQL skills: Common Table Expressions (CTE), aggregations, GROUP BY, ORDER BY, filters, window functions (e.g., "RANK()"), and subqueries
• Strong troubleshooting and problem-solving skills
• Upper-Intermediate level of English or higher
• Willingness to work in the US time zone

WOULD BE A PLUS

• Basic cybersecurity knowledge:proxy and NAT, WAF and Network Firewall, network security, VPN, CAPTCHAs, and CAPTCHA solvers
• Understanding of threats: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