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    SI

    Sigma Software

    AdTech

    Threat Research Analyst

    Warsaw, PolandRemoteFull-timePosted 3w ago
    All Sigma Software jobs

    Job description

    • Monitor existing threats and investigate suspicious activities using logs, dashboards, and detection systems
    • Analyze attack patterns and build detailed threat scenarios based on collected data
    • Research and respond to reported threats, Customer escalations, and security incidents
    • Improve detection and blocking mechanisms for automated attacks and malicious behaviors
    • Analyze intelligence from competitors, public sources, and industry trends to identify emerging threats
    • Work with monitoring and analytics tools such as Kibana and Elasticsearch
    • Collaborate with engineering and security teams to improve product protection capabilities
    • Document findings, attack methodologies, and investigation results
    • At least 3 years of commercial experience in cybersecurity, threat research, or related areas
    • Hands-on experience in cybersecurity, threat detection, security research, threat hunting, anti-bot solutions, fraud and abuse detection, application security, or a closely related security domain.
    • Strong understanding of attacker tactics, techniques, and behaviors, including methods used to evade, bypass, or modify attacks to avoid detection.
    • Experience investigating suspicious or malicious activities, with a solid understanding of detection, alerting, and blocking mechanisms.
    • Strong understanding of web technologies and architecture, including:
      • Client-server architecture
      • HTTP/HTTPS protocols
      • REST APIs and web services
      • Request/response lifecycle
      • Headers, cookies, sessions, and authentication mechanisms
    • Understanding of browser technologies and experience investigating:
      • DOM structure and manipulation
      • Browser events
      • XHR and Fetch requests
      • WebSockets
      • Browser APIs
      • Browser security policies and controls
    • Ability to read and analyze JavaScript code, identify application behavior, detect suspicious or incorrect logic, and understand potential remediation approaches. Deep JavaScript development expertise is not required.
    • Working knowledge of HTML and CSS sufficient to investigate and understand web application behavior.
    • Strong practical experience with SQL for data analysis, investigations, and working with large datasets.
    • Hands-on experience using Kibana for log analysis, monitoring, and investigations.
    • Solid understanding of networking fundamentals, including:
      • TCP/IP
      • DNS
      • VPN technologies
      • Proxies
      • Basic network troubleshooting
    • Ability to independently investigate complex technical issues and correlate multiple data points to build a complete attack or incident scenario.
    • Experience using AI-powered tools and chatbots for research and technical investigations, including the ability to write effective prompts and interpret results.
    • Upper-Intermediate (B2) or higher level of English.

    WILL BE A PLUS

    • Understanding of Elasticsearch and its ecosystem.
    • Python scripting and automation skills.
    • Experience developing, analyzing, or investigating crawlers, scrapers, or browser automation tools.
    • Experience with deobfuscation and/or reverse engineering techniques.
    • Experience investigating bot traffic, automated attacks, scraping activity, credential stuffing, account takeover attempts, abuse, fraud, or similar threats.
    • Experience with monitoring, analytics, and observability platforms such as Datadog, Imply, Splunk, Microsoft Sentinel, OpenSearch, or similar tools.

    PERSONAL PROFILE

    • Strong analytical and investigative mindset
    • Attention to detail and ability to identify unusual behavioral patterns
    • Curiosity about cybersecurity threats and attacker techniques
    • Ability to work independently in a fast-paced environment
    • Strong communication and collaboration skills
    • Proactive approach to problem-solving and continuous learning

    Job details are sourced from the employer's original posting.

    Open job posting
    SI

    About the company

    Sigma Software

    We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions. This role offers the opportunity to experiment with AI, LLMs, and emerging technologies while solving complex challenges in large-scale data processing.  CUSTOMER Our customer is a global leader in contextual advertising with more than 500 employees worldwide. They specialize in delivering highly relevant ads by leveraging AI, real-time technology, and large-scale data processing. Operating in the AdTech industry, they are recognized for innovation in Connected TV (CTV) advertising. The team you will join works with the agility of a startup while benefiting from the resources of a global organization. PROJECT You will contribute to the development of a smart advertising platform that processes terabytes of data to understand audiences and deliver precise, contextual ads. The platform combines AI, LLMs, and emerging technologies to push the boundaries of CTV advertising. In this role, you will own innovation end-to-end — from research and prototyping to delivering production-ready solutions.

    View all Sigma Software jobs
    Industry
    AdTech
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