Junior SOC Security Engineer

Location: [Poland] We Are: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.Why RTB House? As a Junior SOC Security Engineer, you will support the operational activities of the security team by monitoring IT infrastructure, analyzing and triaging alerts generated by SIEM and EDR systems, and escalating incidents in accordance with established procedures. Your responsibilities will also include analyzing malware payloads, identifying Indicators of Compromise (IoCs), and performing behavioral analysis of users and systems to detect anomalies and unauthorized activity. You will actively support the team in the area of AI-driven threat hunting by participating in proactive threat hunting using AI-based tools, interpreting hypotheses and anomalies generated by AI models, and documenting findings while recommending new detection rules.You Will:Responding to incidents in accordance with established procedures.Verifying alerts from SIEM/EDR/XDR class systems.Supporting more experienced team members in developing current tools or implementing new security solutions.Escalating complex cases and supporting the SOC team in their daily operations.Desired Experience: Experience in a SOC environment at an L1 level (min, 1 year)Fluency in English & Polish (min. B2)Threat analysis and incident response skillsKnowledge of SIEM tools (Splunk Enterprise Security)Knowledge of XDR/EDR solutions (SentinelOne)Knowledge of network protocols (e.g., TCP/IP, HTTPS, DNS)Willingness to develop skills towards automation and scripting (Python/Bash – nice to have)Knowledge of frameworks such as MITRE ATT&CK and NISTWe Offer: Cutting-edge Technology: Engage with the latest technologies on large-scale, dynamic projectsWellbeing: extremely flexible working conditions - you work when it is convenient for you and devote as much time as you can; you can work fully remotelyPurpose-Driven Work: being at the heart of the system, your growing knowledge and competencies will be used in practical applications directly connected to business resultsFlexible contract cooperation model (B2B / Contract of Mandate)