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