Cybersecurity Engineer – Threat Hunting & Security Validation

Practice - CIS - Cloud, Infrastructure, and Security Services

About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the rapidly evolving needs of the digital era. Our holistic approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to run the business in a secure environment.

Job Summary

We are seeking a highly motivated Cybersecurity Analyst with expertise in Threat Hunting, Security Validation, and Breach & Attack Simulation (BAS) to strengthen the organization's threat detection and response capabilities. This role will focus on proactively identifying threats, validating security controls, assessing detection effectiveness, and improving overall cyber resilience. The ideal candidate will possess strong analytical skills, hands-on experience with Splunk and security monitoring platforms, and a solid understanding of modern adversary tactics and the MITRE ATT&CK framework. This position requires close collaboration with Security Operations, Incident Response, and Engineering teams to continuously enhance security monitoring and threat defense capabilities.

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

In this role, you will:

· Conduct proactive threat hunting activities to identify indicators of compromise, suspicious behaviors, and emerging threats across enterprise environments.

· Perform Security Validation and Breach & Attack Simulation (BAS) exercises to evaluate the effectiveness of security controls and detection capabilities.

· Analyze security events, logs, alerts, and telemetry data using Splunk and other security monitoring platforms.

· Review, test, and validate detection rules, correlation searches, use cases, and alerting mechanisms to improve threat coverage.

· Assess the effectiveness of security controls and identify detection gaps, blind spots, and opportunities for improvement.

· Map threats, adversary behaviors, and attack techniques to the MITRE ATT&CK framework and support control validation efforts.

· Develop and maintain automation scripts using Python, PowerShell, or Bash to enhance threat hunting and security validation processes.

· Collaborate with SOC, Incident Response, Threat Intelligence, and Engineering teams to strengthen detection and response capabilities.

· Document findings, recommendations, attack simulations, and remediation actions arising from threat hunting and validation activities.

· Support continuous improvement initiatives related to detection engineering, threat intelligence, and security monitoring programs.

What you need to have to be considered

· 4–8 years of experience in Cybersecurity, Threat Hunting, Security Operations, Detection Engineering, or Security Validation roles.

· Strong hands-on experience with Threat Hunting, Security Validation, Breach & Attack Simulation (BAS), or related cybersecurity disciplines.

· Deep understanding of the MITRE ATT&CK framework, adversary tactics, techniques, and procedures (TTPs).

· Experience using Splunk for security investigations, threat analysis, log correlation, and search query development.

· Knowledge of security monitoring, detection engineering, security control validation, and threat intelligence concepts.

· Proficiency in scripting and automation using Python (preferred), PowerShell, Bash, or similar technologies.

· Familiarity with SOC operations, incident response processes, and attack simulation methodologies.

· Strong analytical, troubleshooting, communication, and documentation skills.

· Experience working in fast-paced security operations environments and collaborating across multiple cybersecurity functions.

· Certifications such as Security+, CySA+, GCIH, GCFA, Splunk Certification, or equivalent cybersecurity credentials are preferred.

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Applications will be accepted until 11 Sep 2026.

Salary and Other Compensation:

The annual salary for this position is between $[114,500 - 134,000] depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

· Medical/Dental/Vision/Life Insurance

· Paid holidays plus Paid Time Off

· 401(k) plan and contributions

· Long-term/Short-term Disability

· Paid Parental Leave

· Employee Stock Purchase Plan

À propos de Cognizant
Cognizant (NASDAQ: CTSH) est un AI Builder et une entreprise de services numériques (ESN) élaborant des solutions complètes d’IA maximisant les investissements pour des résultats concrets. Sa profonde expertise des métiers, des processus et des technologies lui permet d’intégrer dans les systèmes technologiques le contexte unique de chaque organisation de l’ingénierie à la production à l’échelle. Son objectif: améliorer l’efficacité des équipes, créer de la valeur et permettre aux grandes entreprises de rester performantes dans un monde qui évolue rapidement. Pour en savoir plus: cognizant.ai ou @cognizant. 

À savoir avant de postuler

• Autorisation de travail: Cognizant ne prendra en considération que les candidats à ce poste qui sont légalement autorisés à travailler au Canada sans avoir besoin d'un parrainage de l'employeur, aujourd'hui ou à l'avenir.
• Mesures d’adaptation: Si vous avez un handicap qui nécessite des mesures d’adaptation raisonnable pour effectuer une recherche d’emploi ou poser une candidature, veuillez envoyer un courriel à [email protected] avec votre demande et vos coordonnées.
• L’IA dans notre processus de recrutement: Nous utilisons des outils d'intelligence artificielle (IA) pour trier et évaluer les candidatures efficacement. Notre équipe examine ensuite les candidatures et décide qui passe à l’étape suivante.
• Poste à pourvoir: Sauf indication contraire, ce poste est actuellement vacant et nous cherchons à le pourvoir.
• Exigences linguistiques: Nous demandons à tous les candidats de posséder une connaissance de base de l’anglais afin de faciliter les communications internes. Pour les postes au Québec, la capacité à communiquer efficacement en anglais est requise car vous fournirez des services à et collaborerez avec des parties prenantes anglophones situées hors de la province.
• Inclusion: Cognizant est un employeur souscrivant au principe de l’égalité d’accès à l’emploi. Votre candidature et votre dossier ne seront pas examinés en fonction de la race, de la couleur, du sexe, de la religion, des croyances, de l'orientation sexuelle, de l'identité de genre, de l'origine nationale, du handicap, des renseignements génétiques, de la grossesse, du statut d'ancien combattant ou de toute autre caractéristique protégée par les lois fédérales, provinciales ou locales.