Infrastructure Engineer III

American Express

. Ensure the reliability, availability, and performance of the entire infrastructure stack, including compute, storage, network, and cloud components.

Posted 11/6/2026full-timePhoenix • Arizona • United StatesMid-LevelSenior💰 $103,750 - $174,750 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and optimizing diverse infrastructure stacks, with a strong focus on cloud platforms, automation, and disaster recovery strategies. Proficient in implementing best practices for monitoring, incident response, and capacity planning to ensure operational excellence.

Highest-signal resume keywords

Cloud Platforms (AWS, Azure, GCP)Infrastructure As Code (Terraform, CloudFormation)Containerization (Docker, Kubernetes)Monitoring Tools (Prometheus, Grafana, Splunk)Disaster Recovery Planning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure ManagementRoot Cause AnalysisPerformance TuningCapacity PlanningNetwork ProtocolsScripting (Python, Bash)CI/CD Pipeline ManagementService Mesh Technologies (Istio, Linkerd)Virtualization (VMware, Hyper-V)Network Security Best Practices

Soft Skills

CollaborationIncident Response LeadershipContinuous Improvement Mindset

Tools & Technologies

Load Balancers (F5, HAProxy, Nginx)Backup SystemsCloud Storage SolutionsMonitoring and Observability Tools

Industry Keywords

Infrastructure StackOperational ExcellenceBusiness ContinuityChaos Engineering PrinciplesCost Optimization

Tech Stack

Tools & technologies

AWSAzureCloudDNSDockerFirewallsGoogle Cloud PlatformGrafanaHAProxyKubernetesNGINXPrometheusPythonSplunkSwitchingTerraformVMware

About the role

Key responsibilities & impact

Ensure the reliability, availability, and performance of the entire infrastructure stack, including compute, storage, network, and cloud components.
Lead incident response efforts across the infrastructure stack, coordinating with Application Support, SRE, and Engineering teams to minimize MTTD and MTTR.
Perform root cause analysis for infrastructure-related incidents and implement corrective actions.
Develop and maintain automation tools for managing infrastructure resources.
Collaborate with Engineering teams to plan and execute system upgrades and maintenance.
Conduct capacity planning and resource management for all infrastructure components.
Participate in on-call rotations to provide 24x7 support for all critical infrastructure issues.
Design and implement disaster recovery plans and business continuity strategies.
Implement best practices for monitoring, logging, and alerting across the infrastructure.
Foster a culture of continuous improvement and operational excellence.
Analyze complex infrastructure problems, design scalable and resilient solutions, and lead implementation.
Collaborate with architects and other engineers to design and enhance infrastructure systems aligned with business needs and technology standards.

Requirements

What you’ll need

Proven experience managing and optimizing a diverse infrastructure stack.
Extensive knowledge of cloud platforms (AWS, Azure, GCP) and infrastructure as code (Terraform, CloudFormation).
Familiarity of service mesh technologies (Istio, Linkerd).
Solid understanding of virtualization (VMware, Hyper-V) and containerization (Docker, Kubernetes) and orchestration.
Understanding of storage solutions (SAN, NAS, cloud storage) and backup systems.
Strong understanding of network protocols, routing, switching, and firewalls.
Experience with load balancers (F5, HAProxy, Nginx) and network monitoring tools.
Experience in DNS management and troubleshooting.
Experience in network security best practices.
Proficiency in monitoring and observability tools (Prometheus, Grafana, Splunk).
Proficiency in at least one scripting language (Python, Bash) for automation.
Experience with CI/CD pipeline management and DevOps practices.
Strong understanding of disaster recovery and business continuity planning.
Experience with performance tuning and capacity planning.
Understanding of chaos engineering principles and practices.
Skills in cost optimization for cloud infrastructure.
Employment eligibility to work with American Express in the United States is required; the company will not pursue visa sponsorship for these positions.

Benefits

Comp & perks

Bonus
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