Senior Crowdstrike Engineer

enior Engineer (Cyber, Data & Security) – CrowdStrike | Location Toronto, ON (Hybrid) About Cognizant Cognizant (NASDAQ: CTSH) engineers modern businesses to improve everyday life. We help clients modernize technology, reimagine processes, and transform experiences so they can stay ahead in a fast-changing world. Our associates combine deep industry expertise with innovative technologies to deliver measurable business outcomes. Role Overview We are seeking a Senior Engineer (Cyber, Data & Security) with 6–8 years of experience to join our Cloud, Network and Infrastructure Security team. In this role, you will lead the design, implementation, and optimization of endpoint security processes, ensuring effective deployment and performance of CrowdStrike, Microsoft Defender, and Qualys agents across enterprise environments. This position plays a critical role in strengthening security posture through scalable, automated, and auditable processes. Key Responsibilities Security Agent Process Engineering Design, document, and implement processes to ensure completeness and accuracy of endpoint security agent deployments Establish monitoring and validation mechanisms to verify agent health, connectivity, and compliance Perform gap analysis to identify and remediate coverage issues across servers and endpoints Endpoint Security Management Administer and optimize the CrowdStrike Falcon platform for endpoint detection and response Manage Microsoft Defender for Endpoint integration and policy enforcement Oversee Qualys agent deployment and vulnerability management operations Operational Excellence Develop automation scripts (PowerShell, Python) for deployment, monitoring, and reporting Provide Tier-3 support for endpoint security agent issues and escalations Maintain comprehensive documentation for processes, procedures, and configurations Required Qualifications 6–8 years of experience in cybersecurity, endpoint security, or infrastructure security Strong hands-on experience with CrowdStrike Falcon platform administration Proficiency in Microsoft Defender for Endpoint deployment and management Experience with Qualys agent deployment and vulnerability management Scripting experience using PowerShell, Python, or similar languages Strong understanding of endpoint security principles and best practices Preferred Qualifications Experience in large-scale enterprise environments Exposure to cloud security (AWS, Azure, GCP) Certifications such as CISSP, CEH, CrowdStrike certifications, or Microsoft security certifications Experience in DevSecOps or automation-driven security environments Salary And Other Compensation The annual salary for this position is between CAD $105,000 – $115,000, depending on experience and qualifications. This role is also eligible for Cognizant’s discretionary annual incentive program, based on performance. Benefits Cognizant offers a comprehensive benefits package, including: Medical, dental, and vision insurance Retirement savings plan with company contributions Paid time off (vacation and holidays) Employee wellness and assistance programs Learning and development opportunities Work Authorization Applicants must be legally authorized to work in Canada without requiring employer sponsorship now or in the future. Equal Opportunity Statement Cognizant is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace where all individuals are treated with respect and dignity. Why Cognizant At Cognizant, you will work with cutting-edge security technologies and play a key role in strengthening enterprise cybersecurity at scale. We offer a collaborative environment, opportunities to innovate, and a clear path for professional growth.

Lead the design, implementation, and optimization of endpoint security processes using CrowdStrike, Microsoft Defender, and Qualys. Develop automation scripts and provide Tier-3 support to ensure scalable and auditable security agent deployments.

Requires 6–8 years of experience in cybersecurity with strong hands-on expertise in CrowdStrike Falcon and Microsoft Defender. Proficiency in scripting languages like PowerShell or Python and experience with Qualys vulnerability management are essential.

• Medical insurance • Dental insurance • Vision insurance • Retirement savings plan with company contributions • Paid time off • Employee wellness and assistance programs • Learning and development opportunities

• PythonPreferred

Identified from the job description. Confirm important requirements above.

• CrowdStrike Falcon
• Microsoft Defender for Endpoint
• Qualys
• PowerShell
• Python
• Endpoint Security
• Vulnerability Management
• Endpoint Detection and Response
• Cybersecurity Engineering
• Infrastructure Security
• Automation Scripting
• Tier-3 Support

• Security & Safety
• Technology
• Engineering
• Software
• Consulting

Minimum education

Professional degree

Minimum experience

5+ years

Apply by

Sep 10, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level