Senior App Reliability Engineer | Observability Expert

Cognizant; Argentina; Hybrid; ARS 53,571,000 - 95,238,000; Full time

Job summary

Cognizant in São Paulo, Brazil is seeking an Application Reliability Engineer to drive 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.

The role demands 8+ years in SRE or related fields, strong incident management and RCA experience, and hands-on skills with Splunk, Datadog, New Relic, Grafana, and

Qualifications

• 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.

Responsibilities

• Lead 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.

Skills

Incident management

Root cause analysis

Troubleshooting

SRE practices

Automation scripting

Python

Shell scripting

Jenkins

Communication

Leadership

English proficiency

Education

Bachelor's degree in Information Technology/Computer Science/Engineering

Tools

Splunk

Datadog

New Relic

AppDynamics

Grafana

Ansible

Jenkins

Job description

Cognizant in São Paulo, Brazil is seeking an Application Reliability Engineer to drive 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.

The role demands 8+ years in SRE or related fields, strong incident management and RCA experience, and hands-on skills with Splunk, Datadog, New Relic, Grafana, and