Application Reliability Engineer

About the role

As an Application Reliability Engineer, you will make an impact by driving reliability improvements across critical applications and services. You will partner with engineering, operations, infrastructure, and product teams to enhance stability, resiliency, performance, and observability while reducing operational risk and improving customer experience.

In this role, you will

• Lead application reliability initiatives, identifying recurring issues and implementing improvements to enhance stability, availability, and operational effectiveness.
• Drive incident management, root cause analysis (RCA), and remediation activities to reduce production incidents and improve service reliability.
• Assess and improve application resiliency, performance, monitoring, and observability across critical systems and integrations.
• Identify automation opportunities and process improvements that reduce manual effort, operational risk, and support overhead.
• Communicate reliability risks, priorities, metrics, and progress to stakeholders while coordinating cross-functional teams to deliver measurable outcomes.

Work Model

Hybrid | São Paulo, Brazil

This role follows Cognizant’s hybrid work model, requiring periodic onsite collaboration while working closely with global teams and stakeholders.

What you need to have to be considered

• 8+ years of experience in Application Reliability Engineering, Site Reliability Engineering (SRE), Production Engineering, Application Support, or Operations.
• Strong experience leading reliability, stability, and production support initiatives for business-critical applications.
• Experience with incident management, root cause analysis (RCA), problem management, and operational readiness.
• Strong troubleshooting and diagnostic skills using logs, metrics, traces, and monitoring data.
• Hands-on experience with monitoring and observability tools such as Splunk, Datadog, New Relic, AppDynamics, Grafana, or similar.
• Strong understanding of application architecture, APIs, integrations, databases, and cloud-based environments.
• Experience with automation tools and scripting languages such as Python, Shell, Ansible, Jenkins, or similar.
• Strong communication, stakeholder management, and leadership skills.
• Advanced English proficiency.
• Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field.

These will help you stand out

• Experience working in large enterprise environments.
• Knowledge of ITIL processes and service management practices.
• Experience with microservices, distributed systems, and cloud-native architectures.
• Previous consulting experience in Reliability Engineering, Production Support, or Site Reliability Engineering (SRE).
• Experience defining and managing SLIs, SLOs, error budgets, and operational metrics.
• Exposure to DevOps, CI/CD pipelines, and cloud platforms such as AWS, Azure, or Google Cloud.
• Relevant certifications in Cloud, ITIL, SRE, or DevOps.

Please upload your resume in English

Please upload your resume in English. Resumes will be reviewed by global stakeholders involved in the selection process.

We're excited to meet people who share our mission.