oracle

Infrastructure Engineer III

American Express

Phoenix, USA

Mid

Onsite

Discovered 1 months ago

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Qualifications

Overall 5+ years of IT experience, with 3+ years of hands-on experience administering Splunk, Grafana, and/or Dynatrace in large-scale enterprise environments.
Strong expertise in observability concepts, including logs, metrics, traces, APM, infrastructure monitoring, and synthetic monitoring.
Proven experience with Splunk indexers, forwarders, search heads, clustering, and performance optimization.
Hands-on experience with Grafana dashboard development and data sources such as Prometheus, Loki, Elasticsearch, and cloud-native monitoring tools.
Strong Dynatrace experience, including OneAgent deployment, service monitoring, custom metrics, and AI-driven root cause analysis.
Experience integrating observability platforms with cloud infrastructure, Kubernetes, and microservices-based architectures.
Proficiency in scripting, automation, and API integrations (Python, Shell, REST APIs, Terraform, Ansible).
Knowledge of security, compliance, and governance practices in monitoring platforms (SOC2, ISO, NIST, audit requirements).
Strong communication skills with the ability to collaborate across engineering, SRE, and leadership teams.
Depending on factors such as business unit requirements, the nature of the position, cost and applicable laws, American Express may provide visa sponsorship for certain positions

Responsibilities

Administer, configure, upgrade, and optimize Splunk, Grafana, and Dynatrace platforms, ensuring high availability, security, scalability, and performance.
Manage end-to-end observability solutions, including log aggregation (Splunk), metrics and visualization (Grafana), and application performance monitoring (Dynatrace).
Design, implement, and maintain monitoring, alerting, and dashboarding standards across infrastructure, applications, and cloud platforms.
Perform platform upgrades, patching, and lifecycle management with minimal downtime and adherence to enterprise change management processes.
Integrate Splunk, Grafana, and Dynatrace with cloud services (AWS, Azure, GCP), container platforms (Kubernetes, OpenShift), and CI/CD pipelines.
Configure and manage data ingestion pipelines, indexes, retention policies, parsing rules, and performance tuning for large-scale log and metric volumes.
Implement Dynatrace OneAgent deployments, SmartScape topology mapping, service flow monitoring, and root cause analysis (Davis AI).
Develop and maintain Grafana dashboards using Prometheus, Loki, InfluxDB, and other supported data sources.
Enforce security, access controls, and compliance requirements (SSO/SAML, RBAC, audit logging, data masking, retention policies).
Automate operational tasks using scripting and APIs (Python, Shell, REST APIs, Terraform, Ansible).
Troubleshoot platform issues, performance bottlenecks, ingestion delays, alert noise, and data gaps across observability tools.
Collaborate with application, infrastructure, and SRE teams to improve monitoring coverage, incident response, and operational resilience.
Document platform standards, best practices, and provide guidance or training to engineering and operations team.

Preferred Qualifications

Relevant certifications (Splunk Certified Admin/Architect, Dynatrace Associate/Professional, Grafana certifications) preferred.

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