Senior IT Security Officer
Job Summary
Cybersecurity Operational Work
· Perform routine reporting and dashboarding activities, leveraging automation to improve efficiency
· Support the review of VAPT findings and contribute to remediation planning
· Validate security vulnerabilities and findings from various assessment reports
· Refine incident response playbooks
· Contribute to compliance-related documentation and evidence collection
· Assist in implementing security controls and operational security tasks
· Participate in threat modelling exercises and identify security requirements from policies
· Perform periodic IAM role reviews to ensure least privilege access principles
Security Architecture & Engineering
· Apply security standards and controls across CI/CD pipelines, Kubernetes platforms, and cloud environments
Cyber Defence & Incident Response
· Support incident response activities and escalate complex issues appropriately
· Perform alert triage and assist in investigations across security monitoring platforms
· Contribute to refining detection rules, playbooks, and response runbooks
· Support guided threat hunting activities to identify potential indicators of compromise
Product Engineering
· Deliver POCs or features spanning multiple components while balancing security, performance, and maintainability
· Utilise code and cloud security analysis tools and remediate findings appropriately
· Recommend improvements to enhance product security, performance, and team efficiency
Emerging Technology Research
· Conduct testing of new tools in lab environments and summarise findings
· Contribute to POC initiatives with defined objectives and outcomes
Collaboration & Growth
· Collaborate with peers and stakeholders to ensure tasks are executed effectively
· Share knowledge, resources, and lessons learnt openly to support team success
· Suggest improvements that enhance team effectiveness
- What We Are Looking For
Technical Skills
· Foundational knowledge in security architecture, secure system design, and threat modelling
· Ability to perform guided vulnerability validation and support remediation
· Familiarity with securing CI/CD platforms, Kubernetes environments, and cross-cutting platform products
· Exposure to developer-centric tools including agentic AI workflows and coding assistants
· Familiarity with SIEM platforms, EDR tools, and cloud-native security monitoring
· Ability to follow and contribute to detection logic, incident response playbooks, and threat hunting processes
· Scripting or automation skills (e.g. Python, Bash) for security tooling and workflow automation
· Understanding of identity and access management, secrets management, and zero trust principles
Behavioural Expectations
· Able to work independently with minimal supervision and guidance
· Proactively identifies and addresses issues, knowing when to escalate
· Adapts to changing priorities effectively
· Collaborates constructively with peers and stakeholder
· Contributes positively through knowledge sharing and openness
Education & Experience
· Degree in Infocomm Security, Computer Science, Computer/Electronics Engineering, or Information Technology
· Relevant experience or demonstrated potential backed by a strong track record is desirable
- Certifications (Desirable)
OSCP, CISSP, or other relevant cybersecurity certifications
About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Things to know before you apply
- Work authorization: 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.
- Accommodations: If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
- AI in hiring: We use artificial intelligence (AI) tools to help us screen and assess applications more efficiently. Our team performs additional human review and ultimately decides who moves forward in our hiring process.
- Open position: Unless otherwise stated, this job posting is for an open position on our team.
- Language proficiency: We ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
- Inclusion: Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.











