Senior Infrastructure Engineer

American Express

. Build, administer, upgrade, scale, and troubleshoot bare-metal Kubernetes environments using Kubespray and Kubeadm .

Posted 10/24/2026full-timePhoenix • Arizona • United StatesSenior💰 $123,000 - $215,250 per yearWebsite

Tech Stack

Tools & technologies

AWSCitrixCloudDockerElasticSearchGrafanaHadoopHBaseHDFSJenkinsKubernetesLinuxMapReduceMicroservicesMySQLNGINXNode.jsOpenShiftPrometheusSDLCServiceNowShell ScriptingSQLUnixVaultVMwareYarn

About the role

Key responsibilities & impact

Build, administer, upgrade, scale, and troubleshoot bare-metal Kubernetes environments using Kubespray and Kubeadm
Configure highly available control planes, resource limits, persistent storage, secrets, YAML automation, kubectl scripting, and Horizontal Pod Autoscaling
Engineer containerized and microservices platforms using Kubernetes, Docker, Containerd, OpenShift, Rancher, Helm, and reusable Helm charts
Use Istio for observability, security, traffic management, routing, load balancing, fault tolerance, resilience, and context-based ingress routing
Operate GitLab, configure ADS authentication, maintain security and patching, automate upgrades, enable runners, and deliver CI/CD pipelines with Jenkins and Quay
Administer Linux, Unix, and RHEL systems through builds, upgrades, patching, migrations, scripting, troubleshooting, and root-cause analysis
Deploy and operate HashiCorp Vault HA on Kubernetes with Vault Agent Injector, Kubernetes secrets, and Raft storage
Create end-to-end visibility with Elasticsearch, Fluentd, Metricbeat, Filebeat, Kibana, Prometheus, Grafana, APM agents, and Weave Scope
Design and deploy a standalone NGINX reverse proxy to distribute AI/LLM inference traffic across GPU-enabled worker nodes
Deploy and monitor NVIDIA A10 GPU environments with Prometheus, Grafana, Node Exporter, and DCGM Exporter
Install, upgrade, configure, and support MapR, Hadoop, IBM DataStage, and Infosphere Information Server platforms
Lead change, release, incident response, production support, root-cause analysis, documentation, and knowledge transfer

Requirements

What you’ll need

15+ years of IT experience across installation, configuration, administration, design, development, deployment, testing, and production support throughout the SDLC
Experience supporting business application systems in finance and health care environments
Deep knowledge of high-availability infrastructure, enterprise operations, release management, incident management, performance optimization, and production support
Experience with Google Cloud, Amazon Web Services or other public cloud platforms, Unix, Linux, RHEL, Windows Server, VMware ESX, vSphere, UCS, and HPE infrastructure
Experience with Kubernetes, OpenShift, Rancher, Docker, Containerd, Kubespray, Kubeadm, Helm, Istio, and NGINX
Experience with GitLab, GitLab Runner, Jenkins, and Quay
Experience with observability tools including Grafana, Kibana, Prometheus, Elasticsearch, Fluentd, Metricbeat, Filebeat, APM Server and agents, Weave Scope, Node Exporter, and DCGM Exporter
Experience with HashiCorp Vault, Vault Agent Injector, Raft storage, LDAP, Active Directory/ADS, Kubernetes secrets, and ACEs
Experience with IBM DataStage, MetaStage, Parallel Extender, Infosphere Information Server, Information Analyzer/ProfileStage, and QualityStage
Experience with DB2, SQL Server, Netezza, and MySQL
Experience with MapR, HDFS, MapReduce, YARN, Oozie, Pig, Hive, HBase, Hue, Sqoop, and DistCp
Experience with shell scripting, kubectl, Kubernetes YAML, Control-M, Autosys, and Crontab
Experience with StackIQ, Satellite Server, UCS Intersight, Citrix, PuTTY, Cygwin X, ServiceNow, IBM Infoman, IBM Infoweb, and IBM ESR
HPE Data Fabric administration
Master's degree in Computer Science or similar field
Employment eligibility to work with American Express in the United States is required; the company will not pursue visa sponsorship

Benefits

Comp & perks

Bonus
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