Skip to main content

Application Reliability Engineer

00070874331

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.

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.

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

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, state or local laws.

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.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

a blue line drawing of a plant with leaves

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Stay Healthy Midnight Blue RGB

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

Build The Career You Want Midnight Blue RGB

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

Making A Meaningful Impact Midnight Blue RGB

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

a person typing on a laptop

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

a person holding a tablet and talking on the phone

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

a person smiling at a table with a laptop

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

a group of people sitting around a table

Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

a person with long hair wearing a pink shirt
When I first joined, I was quiet and hesitant to share my thoughts. The leadership programs and the mentoring I’ve received have helped me find my voice and grow as a leader.
Sujatha Gopalakrishnan Portfolio Delivery Lead
a person smiling for a picture
The entrepreneurial mindset here is infectious. When you take initiative, you get support. What matters the most is showing up and trying.
Senthil Manoj Kumar Functional Architect
a person smiling at camera
My journey has run parallel to Cognizant’s. When I joined, we were a $1B company with 20,000 people. Today we’re at $20B with 350,000 people. And yet the same sense of belonging has grown stronger.
Vidhya Ganesh AVP of Delivery Excellence
a person in a blue jacket
Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.
Debashish Mishra SAP MM Developer

Haven't yet found the right opportunity?

Get the latest updates on job opportunities, recruitment events and company news—tailored just for you!

Be in the know