Software Engineer III
Listed on American Express’s official careers site. Posted October 16, 2026. Check that it is still open and apply there.
Apply on American Express’s careers site →Job description
This is a technical role responsible for designing, developing, automating, and supporting enterprise infrastructure platforms and services. The engineer will combine software development expertise with hands-on infrastructure knowledge to deliver scalable, secure, and reliable solutions across virtualized, containerized, and data-center environments.
Responsibilities
Design and develop Java- and Python-based services, APIs, integrations, and automation for infrastructure platforms. Engineer and support end-to-end virtual-machine provisioning workflows, including template and golden-image creation, validation, security scanning, release, and lifecycle maintenance. Automate infrastructure operations through Ansible and AAP using reusable playbooks, roles, inventories, and workflows. Integrate provisioning solutions with VMware, network services, DNS, databases, security tooling, and enterprise platforms.
Develop and maintain Kubernetes-based workloads, deployment artifacts, configuration, and operational controls. Troubleshoot complex issues across application, operating-system, virtualization, database, and network layers. Apply secure engineering, vulnerability remediation, compliance, observability, resilience, and change-management practices. Provide technical leadership through design reviews, code reviews, documentation, mentoring, and process improvement.
Qualifications
Minimum experience
10-12 years of relevant experience in software engineering, infrastructure engineering, platform engineering, or a related technology domain.
Software engineering experience
Strong experience designing, developing, testing, and supporting production-grade services and automation solutions.
Java
Strong hands-on development skills in Java, including APIs, object-oriented design, debugging, and maintainable coding practices.
Python
Strong Python skills for automation, API integrations, orchestration, tooling, and microservice development.
Infrastructure knowledge
Demonstrated understanding of enterprise compute, storage, operating systems, virtualization, provisioning, monitoring, security, and change-management practices.
VMware and provisioning
Hands-on experience with VMware vSphere, virtual machines, provisioning workflows, VM templates, golden images, image lifecycle management, and security or vulnerability scans.
Networking
Strong understanding of VLANs, subnets, DNS, TCP/IP, routing fundamentals, firewalls, and connectivity troubleshooting.
Automation
Hands-on experience with Ansible, Ansible Automation Platform (AAP), playbooks, inventories, roles, workflows, and infrastructure automation.
Data platforms
Working knowledge of SQL and PostgreSQL, including schema fundamentals, queries, integrations, and operational troubleshooting.
Containers
Hands-on experience with Kubernetes or OpenShift, containerized workloads, deployments, services, configuration, and troubleshooting.
DevOps
Experience with Git, CI/CD pipelines, GitHub Actions or Jenkins, secure delivery practices, and automated testing.
Collaboration
Excellent troubleshooting, documentation, written communication, and cross-functional collaboration skills.
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