Senior SIEM Engineer, CHENNAI, Tamil Nadu, India

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 environment.

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 meaningful outcomes, and collaborating effectively. Prioritize quality, stay curious, and commit to continuous learning. Take ownership, build relationships, and focus on personal growth to drive business strategy and foster a high-performance culture.

What You Must Have to Be Considered

Bachelor’s degree in Computer Science, Engineering, Information Security, or a related discipline, or equivalent work experience.
6+ years of experience in cybersecurity, SIEM engineering, security monitoring, or log management.
Strong hands-on experience administering and supporting SIEM platforms, Cribl, Cortex, and ELK Stack.
Experience with platform troubleshooting, upgrades, patching, change management, and root cause analysis.
Strong expertise in log source integrations, data ingestion pipelines, and data transformation workflows.
Proficiency in scripting languages such as Python and Bash, with experience driving automation initiatives.
Strong analytical, troubleshooting, and problem-solving skills.
Excellent communication and collaboration skills across technical and non-technical teams.
Ability to work independently, manage competing priorities, and thrive in a fast-paced environment.
SIEM Administration Certification from any major vendor preferred.

A strong sense of ownership, desire to create meaningful outcomes, and passion for work that serves a greater good for customers, communities, or global challenges. The embodiment of Cognizant’s Values of: Work as One, Dare to Innovate, Raise the Bar, Do The Right Thing, and Own It.

These Will Help You Succeed

Experience supporting enterprise-scale cybersecurity operations environments.
Strong understanding of security monitoring, threat detection, and incident response processes.
Experience collaborating directly with security vendors and influencing product roadmaps.
Proven track record of leading platform modernization and optimization initiatives.
Experience driving operational excellence through automation and process improvement.
Demonstrated ability to mentor and develop junior engineers.
Passion for continuous improvement, innovation, and knowledge sharing.

Work Model

This role follows a Hybrid Work Model. Based on business requirements, associates may be expected to work from a Cognizant office and collaborate with global teams while supporting operational and engineering activities. The working arrangements for this role are accurate as of the date of posting and may change based on business or client requirements.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Sobre a Cognizant
Cognizant (NASDAQ: CTSH) é uma construtora de IA e fornecedora de serviços de tecnologia, criando a ponte entre o investimento em IA e o valor para as empresas por meio do desenvolvimento de soluções de IA completas para nossos clientes. Nossa profunda experiência em setores, processos e engenharia nos permite incorporar o contexto único de cada organização em sistemas tecnológicos que potencializam a capacidade humana, geram resultados tangíveis e mantêm empresas globais à frente em um mundo em rápida transformação. Saiba mais em cognizant.ai ou @cognizant.

A Cognizant é uma empregadora que investe em equidade. Sua candidatura não será pautada em raça, cor, gênero, sexualidade, credo, origem, deficiência, gravidez ou qualquer outra característica protegida pelas leis brasileiras.

Informações adicionais de emprego
Os candidatos podem ser obrigados a comparecer a entrevistas presenciais ou por videoconferência. Além disso, os candidatos podem ser obrigados a apresentar seu documento de identificação emitido pelo estado ou governo atual durante cada entrevista.

Embora nosso sistema permita a candidatura em todos os idiomas, o(s) idioma(s) e o(s) nível(is) de proficiência exigidos para o trabalho variam. No entanto, é necessário um nível básico de inglês para fins de comunicação em toda a empresa.

Se você tem uma deficiência que requer adaptações razoáveis para procurar uma vaga de emprego ou enviar uma candidatura, envie um e-mail para [email protected] com sua solicitação e informações de contato.