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December 17, 2025

Senior Security Analyst

Senior • Remote

$22,000 - $30,000/

Warszawa, Poland

Senior Security Analyst


Location: Remote

Cooperation: B2B

Start: from January


We are looking for an experienced Senior Security Analyst to support security operations, incident response, and endpoint protection activities. The ideal candidate will bring strong CrowdStrike expertise and solid SIEM skills.


Key Responsibilities

  • Handling CrowdStrike detections and custom SIEM incidents

  • Investigating and resolving phishing tickets

  • Maintaining and troubleshooting CrowdStrike agent functionality

  • Documenting incidents and remediation steps

  • Collaborating with cybersecurity and IT teams

  • Staying up to date with phishing and threat trends

  • (Nice to have) Support for Defender for O365 incidents


Requirements

  • CCFR and CCFH certifications

  • Good knowledge of Splunk

  • Experience in phishing and security incident analysis

  • Strong analytical and communication skills

  • Experience with Defender for O365 (nice to have)