Sr. Security Engineer – Offensive Security/Penetration testing

About the role

As a Senior Security Engineer, you will make an impact by leading the implementation and optimization of Tenzai security solutions while strengthening enterprise Threat & Vulnerability Management (TVM) capabilities. You will be a valued member of the Cyber, Data & Security team and work collaboratively with Engineering, DevOps, and Risk & Compliance stakeholders.

In this role, you will:

• Lead the onboarding, configuration, and ongoing maintenance of Tenzai security solutions across the enterprise
• Design and implement scalable security processes to support Tenzai deployment and ongoing operations
• Integrate Tenzai with existing security tools, platforms, and workflows to ensure seamless functionality
• Conduct proactive vulnerability assessments and ethical hacking activities to identify and mitigate risks
• Continuously enhance security posture through process optimization, automation, and tool improvements

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2 to 3 days a week in a client or Cognizant office in Toronto, Ontario. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• 6–8 years of experience in Cybersecurity, Security Engineering, or a related field
• Hands-on experience with Tenzai implementation, configuration, and ongoing support
• Strong expertise in designing and implementing enterprise-scale security processes
• Practical knowledge of ethical hacking and penetration testing techniques
• Experience with vulnerability management tools and security orchestration platforms
• Ability to collaborate effectively across cross-functional teams

These will help you stand out

• Experience working within Threat & Vulnerability Management (TVM) programs
• Familiarity with integrating security solutions into complex enterprise environments
• Strong process-oriented mindset with a focus on scalability and automation
• Excellent communication skills with the ability to translate technical concepts into actionable insights
• Certifications in cybersecurity or ethical hacking (e.g., CEH, OSCP)

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 perspectives to this role.

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between $ 105,000 - $120,000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.

Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.

Applications will be accepted until June 28, 2026.