Senior Security Analyst

Our Company At Teradata, we believe that people thrive when empowered with better information. That’s why we built the most complete cloud analytics and data platform for AI. By delivering harmonized data, trusted AI, and faster innovation, we uplift and empower our customers—and our customers’ customers—to make better, more confident decisions. The world’s top companies across every major industry trust Teradata to improve business performance, enrich customer experiences, and fully integrate data across the enterprise. What You’ll Do Teradata is seeking an experienced Senior Security Operations Analyst to backfill a critical role within our Security Operations Center (SOC). This senior-level position serves as a technical leader and escalation resource, combining deep expertise in Microsoft security technologies with strong automation and threat detection capabilities. The ideal candidate will excel in both hands-on technical work and mentoring junior team members, helping to strengthen our security posture through advanced analytics, automation, and proactive threat hunting. Key Responsibilities Design, develop, and deploy advanced detection rules and alerts in Microsoft Sentinel to identify emerging threats and security incidents. Perform continuous tuning and optimization of existing alerts to reduce false positives while maintaining detection effectiveness. Create and maintain interactive playbooks for automated incident response and security orchestration. Develop automation solutions to streamline SOC operations, reduce manual effort, and improve response times. Serve as a senior escalation point for complex security incidents requiring advanced analysis and investigation. Conduct in-depth threat hunting activities using Microsoft Sentinel and Defender to proactively identify potential compromises. Leverage Microsoft Defender for Endpoint (EDR) for advanced endpoint threat detection, investigation, and response. Analyze security telemetry and logs to identify trends, anomalies, and potential security gaps. Mentor and provide technical guidance to junior SOC analysts. Document security procedures, playbooks, and detection logic for knowledge sharing and compliance purposes. Stay current with emerging threats, attack techniques, and Microsoft security platform updates. Who You’ll Work With You will Collaborate with Azure infrastructure teams to implement security best practices and maintain defense-in-depth strategies. What Makes You a Qualified Candidate Expert-level knowledge of Microsoft Sentinel including KQL (Kusto Query Language), analytics rules, workbooks, and threat intelligence integration. Excellent proficiency with Microsoft Defender for Endpoint including threat detection, investigation workflows, live response, and advanced hunting. Strong Azure platform knowledge including Azure AD/Entra ID, Azure Security Center, resource management, and identity protection. 5+ years of experience in security operations, incident response, or related cybersecurity roles. Proven experience creating detection rules, playbooks, and automation workflows in a SIEM environment. Strong understanding of threat actor tactics, techniques, and procedures (TTPs) mapped to frameworks such as MITRE ATT&CK. Experience with scripting/automation languages such as PowerShell, Python, or similar. Demonstrated ability to work independently and handle high-pressure situations. What You’ll Bring Excellent communication skills with the ability to explain technical concepts to both technical and non-technical audiences. Why We Think You'll Love Teradata We prioritize a people-first culture because we know our people are at the very heart of our success. We embrace a flexible work model because we trust our people to make decisions about how, when, and where they work. We focus on well-being because we care about our people and their ability to thrive both personally and professionally. We are committed to actively working to foster an inclusive environment that celebrates people for all of who they are. #LI-OC1 Teradata is proud to be an equal opportunity employer. We do not discriminate based upon race, color, ancestry, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related conditions), national origin, sexual orientation, age, citizenship, marital status, disability, medical condition, genetic information, gender identity or expression, military and veteran status, or any other legally protected status. We welcome and encourage individuals from all backgrounds to apply and join our team, bringing their unique perspectives and experiences to help us innovate and grow. If you require accommodations during the interview process, please let your recruiter know and we will work with you to meet your needs.