AWS Infrastructure & Cloud Resilience Engineer

Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS) helps customers transform infrastructure and workplace to meet the evolving needs of the digital era. Our approach delivers cloud-driven modernization and operational transformation to enable secure, resilient business environments.

About the role

This role develops resilience testing scenarios and runbooks, runs game days, and validates failover across availability zone (AZ) and region failure scenarios for target applications.

Responsibilities

• Deploy and integrate AWS Resilience Hub and Fault Injection Service (FIS) within customer environments and bundle into CloudFormation Templates (CFT) or Reference Stacks (RefStack).
• Lead Failure Mode & Effects Analysis (FMEA) and resiliency game days; remediate issues identified during testing.
• Validate multi-region resiliency patterns — active-active (3-region), warm standby, pilot light — across AZ and region failure scenarios.
• Develop resilience testing scenarios and runbooks for customer application archetypes and produce resilience posture assessments.
• Guide application teams as a subject matter expert (SME) on CDK TypeScript constructs for resilience configuration; support end-user adoption.

Requirements

• Expertise in Chaos Engineering and Gremlin.
• Medium proficiency in AWS CDK, AWS Fault Injection Service (FIS), AWS Resilience Hub, and multi-region disaster recovery (DR) testing.
• Resiliency testing (Level 300) — AWS FIS and Resilience Hub; leading FMEA and resiliency game days; failover/recovery validation.
• Multi-region resilience patterns (Level 300) — Active-active (3-region), warm standby, and pilot light patterns across AZ/region failures.
• Infrastructure as code (Level 300) — CDK TypeScript constructs for resilience and observability configuration.
• Observability (Level 200) — CloudWatch, AppSignals, ADOT/X-Ray to measure resilience test outcomes.
• SRE practices (Level 200) — Incident response, change management, and continuous DR testing embedded in SRE ways of working.
• Prior delivery experience in a large, regulated enterprise environment (financial services strongly preferred); comfortable operating under change-control and audit scrutiny.
• Able to produce clear written documentation (architecture decision records, runbooks, design docs) suitable for client Tech Risk review.
• Strong stakeholder communication; can work directly with client engineering, security, and SRE teams as an embedded SME.
• Works to the stated engagement location/time-zone overlap and follows AWS ProServe and customer onboarding, security, and vetting requirements.

Qualifications

• AWS Professional certification preferred (e.g., Solutions Architect – Professional, DevOps Engineer – Professional, or Security – Specialty).

Pay

$90,000 – $115,000

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