# Real Time Payments - Application Support L1

**Company**: Mastercard
**Location**: Mexico City
**Experience**: mid
**Job type**: full-time
**Category**: Engineering
**Industry**: Finance

**Apply**: https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Mexico-City-Mexico/Real-Time-Payments---Application-Support-L1_R-293574?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_4d6c3cda-20e

## Description

Mastercard is seeking an Application Support Engineer II to support and enhance business-critical payment applications.

As an Application Support Engineer II, you will:

- Support and maintain critical production applications in cloud and hybrid environments.

- Investigate, troubleshoot, and resolve application incidents while meeting operational SLAs.

- Monitor application health and performance using Dynatrace, Splunk, and AWS monitoring tools.

- Analyze logs, traces, and metrics to identify root causes and implement permanent solutions.

- Collaborate with software engineers, infrastructure teams, and business stakeholders to improve system reliability and operational efficiency.

- Develop automation and tooling to reduce manual support activities and improve response times.

- Participate in on-call support rotations and major incident management activities.

- Contribute to continuous improvement initiatives focused on resiliency, scalability, and operational excellence.

- Ensure compliance with Mastercard security, risk, and engineering standards.

**Required Technical Skills:**

- AWS (EC2, ECS/EKS, Lambda, S3, CloudWatch, RDS)

- Splunk for log management, monitoring, and troubleshooting

- Dynatrace for application performance monitoring and observability

- Java application support and debugging

- Ruby development and scripting

- Linux/Unix administration

- REST APIs and microservices architectures

- CI/CD tools and DevOps practices

- SQL and database troubleshooting

**Professional Skills:**

- Strong analytical and problem-solving abilities

- Incident management and root cause analysis experience

- Customer-focused mindset with a sense of ownership and urgency

- Excellent communication and collaboration skills

- Ability to work effectively in Agile and cross-functional teams

- Continuous learning mindset and passion for automation and operational excellence

## Skills

### Required
- AWS
- Splunk
- Dynatrace
- Java
- Ruby
- Linux/Unix
- REST APIs
- CI/CD tools
- SQL
- analytical skills
- incident management
- communication skills

### Nice to have
- Experience supporting payment processing or financial services platforms
- AWS Certification
- Kubernetes and container technologies
- Site Reliability Engineering (SRE) practices
- Infrastructure as Code (Terraform, CloudFormation)

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Source: [Apply at mastercard.wd1.myworkdayjobs.com](https://mastercard.wd1.myworkdayjobs.com/en-US/CorporateCareers/job/Mexico-City-Mexico/Real-Time-Payments---Application-Support-L1_R-293574?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)