About Cognizant Corporate

Cognizant Corporate is a global community united by a shared purpose: to make a meaningful impact. We are committed to excellence and driven by outcomes that matter. Collaboration is at the heart of how we work, and our forward-thinking mindset fuels continuous learning, innovation, and growth.

At Cognizant, careers transcend titles. We empower our people to think strategically, inspire others, and lead with purpose, always guided by our core values. Join us in shaping the future of business. Could you be the one to make a difference?

About The Role

As a Senior SIEM Engineer, you will drive impactful contributions and focus on outcomes as part of Cognizant’s Corporate Security – Global Cyber Operations SIEM Engineering Team. You will collaborate closely with Level 1 analysts, Level 3 engineers, platform vendors, log source owners, and key business stakeholders to enhance and modernize the organization's SIEM ecosystem. You will have the autonomy to lead troubleshooting efforts, drive platform optimization initiatives,



improve operational efficiencies through automation, and support a highly available and reliable security operations setting.

In This Role, You Will

Lead platform optimization and modernization initiatives across the SIEM ecosystem, ensuring high availability, performance, and reliability.
Design, manage, and troubleshoot complex log source integrations, ingestion pipelines, and data transformation workflows.
Develop automation solutions using scripting and available frameworks to improve operational efficiency and reduce manual effort.
Manage escalations, audit support activities, major incidents, access requests, and vendor engagements while providing technical guidance to engineering teams.
Mentor Level 1 engineers through training sessions, knowledge sharing, technical documentation, onboarding materials, SOPs, and troubleshooting playbooks.

Embrace our vibrant culture by striving for excellence, focusing on mea

📌 Senior SIEM Engineer (Chennai)
🏢 Cognizant
📍 Chennai