Application Reliability Engineer

Netvagas; São Paulo; On-site; BRL 240,000 - 360,000; Full time

Job summary

Netvagas in Sao Paulo, Brazil is seeking an experienced Application Reliability Engineer to lead reliability initiatives across critical applications. You will analyze recurring production issues, drive improvements in stability, resiliency, and observability, and partner with engineering, operations, platform, and product teams to execute the reliability plan.

This role requires strong diagnostic skills, an application-centric mindset, and the ability to translate operational noise into

Qualifications

• 8+ years in application reliability, production engineering, SRE, or operations.

Responsibilities

• Lead reliability uplift initiatives across assigned applications and services.

Skills

Reliability experience

Diagnostics

Incident management

Monitoring tools

Cloud platforms

Automation

Communication

Cross-team leadership

Education

Bachelor's degree in CS or related

Tools

Splunk

Datadog

New Relic

AppDynamics

Grafana

Job description

The Application Reliability Engineer will lead a structured reliability‑improvement initiative across critical applications. The consultant will analyze recurring production issues, identify systemic weaknesses, and drive measurable improvements in stability, resiliency, performance, observability, and operational effectiveness.

This role requires a strong application‑centric mindset, deep diagnostic skills, and the ability to convert operational noise into actionable reliability outcomes.

Key Responsibilities

Reliability & Production Stability

• Lead reliability uplift initiatives across assigned applications and services.
• Assess current reliability posture: recurring incidents, degradation patterns, operational pain points, manual toil, and risk areas.
• Define and prioritize improvements that reduce incidents, customer impact, alert noise, and MTTR.
• Build a practical roadmap for resilience, availability, recoverability, and operational readiness.
• Evaluate operational procedures and identify gaps affecting responsiveness and production support.
• Partner with engineering, operations, platform, infrastructure, and product teams to execute the reliability plan.

Incident Management, Analysis & Root Cause Resolution

• Lead production incident reviews for high‑impact and complex issues.
• Perform deep‑dive analysis to identify root causes, not just symptoms.
• Review logs, metrics, traces, dependency health, and post‑incident findings to identify systemic failure patterns.
• Differentiate actionable incidents from duplicates or noisy alerts.
• Facilitate RCA, corrective actions, and preventive‑action planning.
• Establish traceability for incidents, remediation items, owners, due dates, and decisions.
• Track remediation through completion and validate effectiveness.
• Improve incident‑management workflows: triage, escalation, response, resolution, and communication.
• Identify repetitive manual tasks causing delays, inconsistencies, or operational risk.
• Recommend and drive automation for support activities, health checks, data collection, remediation steps, and reporting.
• Improve workflows to reduce manual effort and increase consistency.
• Define process improvements to enhance reliability, predictability, change readiness, and service support.
• Establish clear ownership and workflow visibility across teams.

Application Resiliency & Design Improvement

• Evaluate applications for resiliency across dependencies, integrations, data flows, error handling, retry logic, timeouts, and recovery mechanisms.
• Recommend improvements to strengthen fault tolerance and reduce single points of failure.
• Assess behavior under degraded conditions and propose graceful‑failure enhancements.
• Identify risks affecting reliability, availability, performance, or customer experience.
• Work with technical leads to embed reliability principles into enhancements and remediation work.

Performance & Application Tuning

• Identify performance bottlenecks across application layers, integrations, and infrastructure.
• Recommend tuning strategies for throughput, latency, resource utilization, and scalability.
• Validate improvements through load testing, profiling, and performance diagnostics.
• Collaborate with engineering teams to ensure performance readiness for peak loads.

Monitoring, Alerting & Observability

• Assess current monitoring and alerting effectiveness.
• Define meaningful health indicators, SLIs, SLOs, and error budgets.
• Strengthen end‑to‑end observability across logs, metrics, traces, dashboards, and synthetic monitoring.
• Ensure monitoring coverage for critical workflows, dependencies, and failure modes.

Stakeholder Leadership & Communication

• Act as the reliability lead for cross‑functional teams.
• Communicate reliability posture, risks, priorities, and progress to leadership.
• Coordinate remediation activities across engineering, operations, and product teams.
• Provide structured updates, dashboards, and reliability metrics to stakeholders.
• Drive accountability for reliability commitments and timelines.

Required Skills & Qualifications

• 8+ years in application reliability, production engineering, SRE, or application operations.
• Strong diagnostic skills across logs, metrics, traces, and distributed systems.
• Experience with incident management, RCA, and operational readiness.
• Hands‑on experience with monitoring tools (e.g., Splunk, Datadog, New Relic, AppDynamics, Grafana).
• Strong understanding of application architecture, integrations, APIs, databases, and cloud platforms.
• Experience with automation (Python, Shell, Ansible, Jenkins, or similar).
• Excellent communication and stakeholder‑management skills.
• Ability to lead cross‑team reliability initiatives independently.

Preferred Qualifications

• Experience in large enterprise environments.
• Familiarity with ITIL processes.
• Experience with microservices, distributed systems, and cloud‑native architectures.
• Prior consulting experience in reliability or production engineering.

Application reliability engineer SAO PAULO, SP, BR