Cyber Defense Engineer

Tata Consultancy Services Ltd
  • Irvine, CA
    2 days ago

    Job Description

    Role: Engineer

    Required Skills: Cyber Security | Cyber Threat Hunting

    Experience: 10 - 15 Years

    Function: TECHNOLOGY

    Apply By: 2026-12-14

    Cyber Defense Engineer

    (Detection Engineering & Threat Monitoring)

    Must Have Technical/Functional Skills

    • Strong experience with Detection Engineering and use case development.
    • Hands-on experience with SIEM platforms such as Splunk, Microsoft Sentinel, QRadar, or

    Elastic.

    • Experience creating and tuning correlation rules, analytics, alerts, and dashboards.
    • Strong knowledge of Threat Modeling methodologies and attack path analysis.
    • Experience with Threat Hunting and proactive threat identification.
    • Hands-on experience with EDR/XDR solutions such as CrowdStrike, Microsoft Defender,

    Sentinel One, or Carbon Black.

    • Strong understanding of the MITRE ATT&CK Framework and adversary TTPs.
    • Experience analyzing security logs from endpoints, networks, cloud platforms, and identity

    systems.

    • Proficiency in one or more of the following: KQL, SPL, Python, PowerShell, SQL.
    • Experience with incident investigation and security monitoring.

    Roles & Responsibilities

    • Design, develop, and optimize threat detection use cases and security analytics.
    • Build and maintain detection rules, correlation searches, dashboards, and alerting mechanisms across

    security platforms.

    • Develop detection content based on threat intelligence, attack frameworks, and emerging threats.
    • Conduct threat modeling exercises to identify attack paths, security gaps, and mitigation strategies.
    • Perform proactive threat hunting and security monitoring across enterprise environments. · Collaborate with SOC, Incident Response, Threat Intelligence, and Security Engineering teams to improve detection coverage. · Map detections to MITRE ATT&CK techniques and adversary behaviors. · Analyze security logs from endpoints, cloud environments, applications, identity platforms, and network devices. · Continuously tune detections to minimize false positives and improve operational efficiency. · Support security investigations, incident response, and post-incident analysis. · Develop metrics and reporting to measure cyber defense effectiveness.

    TCS Employee Benefits Summary:

    Discretionary Annual Incentive.

    Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

    Family Support: Maternal & Parental Leaves.

    Insurance Options: Auto & Home Insurance, Identity Theft Protection.

    Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.

    Time Off: Vacation, Time Off, Sick Leave & Holidays.

    Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

    • Salary Range- $90,000-$100,000 a year

    Numbers & Facts

    LocationIrvine, CA

    Skills

    • Analysis Skillsunmatched
    • Cloud Applicationsunmatched
    • Cloud Computingunmatched
    • Computer Securityunmatched
    • Content Developmentunmatched
    • Employee Benefitsunmatched
    • Endpoint Securityunmatched
    • Enterprise Protectionunmatched
    • Environmental Monitoringunmatched
    • Huntingunmatched
    • Incident Responseunmatched
    • Internet Securityunmatched
    • Legalunmatched
    • Loan Fundingunmatched
    • Metricsunmatched
    • Microsoft Product Familyunmatched
    • Operational Improvementunmatched
    • Operational Strategyunmatched
    • Python Programming/Scripting Languageunmatched
    • Reporting Dashboardsunmatched
    • SQL (Structured Query Language)unmatched
    • Security Analysisunmatched
    • Security Information and Event Management (SIEM)unmatched
    • Security Monitoringunmatched
    • Splunkunmatched
    • Student Loansunmatched
    • Team Playerunmatched
    • Threat Modelingunmatched
    • Use Casesunmatched
    • Windows PowerShellunmatched

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