Senior Information Security Analyst

As a Senior Information Security Analyst, you’ll play a meaningful role in protecting Nasdaq’s global systems and data by detecting, investigating, and responding to cyber security threats in a 24/7 environment. You’ll thrive in this position if you’re analytical, thorough, and collaborative, with a global perspective and a strong passion for cyber security and technology in a fast‑paced, high‑impact environment. Key Responsibilities - Monitor, triage, and assess security alerts using XSOAR and related security platforms to identify real threats. - Investigate suspicious activity and support incident response and containment efforts across global environments. - Perform log analysis across endpoints, firewalls, cloud platforms, and other critical systems. - Identify indicators of compromise (IOCs), assess potential impact, and document findings in ticketing systems. - Document investigation steps, findings, and actions taken in the ticketing system. This position is located in Vilnius, Lithuania and offers the opportunity for a hybrid work environment at least 3 days a week in-office, subject to change, providing flexibility and accessibility for qualified candidates.