Senior DevOps Engineer (AWS / PeopleSoft)

Robert Half is seeking an experienced DevOps Engineer III to design, build, automate, support, and continuously improve enterprise application environments supporting PeopleSoft, MuleSoft, MOVEit, and other HRFS platforms.This role requires expertise in AWS cloud services, infrastructure automation, DevOps practices, disaster recovery, and enterprise application support. The DevOps Engineer III will serve as a technical leader responsible for platform reliability, security, automation, operational excellence, and disaster recovery readiness across critical business systems.Experience supporting managed file transfer platforms, enterprise integrations, and highly available cloud environments is highly preferred.What You'll DoEnvironment Operations & SupportSupport and maintain production and non-production application environments.Provide PeopleSoft administration and infrastructure support, including environment refreshes, migrations, updates, security maintenance, and Integration Broker troubleshooting.Monitor system availability, performance, capacity, and operational health.Troubleshoot complex application and infrastructure issues and implement corrective actions.Support releases, maintenance activities, patch management, upgrades, and outage remediation.Participate in a 24x7 on-call rotation for critical business systems.Review and address security vulnerabilities in partnership with internal teams and vendors.Ensure high availability, disaster recovery readiness, backup validation, and operational resiliency.Maintain architecture, operational, configuration, and disaster recovery documentation.Support software compliance and audit activities.Automation & Platform EngineeringDesign, build, configure, and deploy application and infrastructure environments.Develop Infrastructure-as-Code (IaC) solutions and automation frameworks.Create and maintain automation scripts for provisioning, deployments, monitoring, and operational processes.Support CI/CD pipelines and drive continuous improvement through automation and standardization.Architecture & Solution DesignDesign secure, scalable, highly available cloud and infrastructure solutions.Develop disaster recovery strategies with defined RPO/RTO objectives.Evaluate emerging technologies, conduct proof-of-concept activities, and recommend solutions.Design integrations between enterprise applications and infrastructure platforms.Provide capacity planning, scalability recommendations, and technical design reviews.Technical LeadershipProvide mentorship and technical guidance to DevOps and support engineers.Lead discussions related to cloud architecture, automation, operational strategy, and platform reliability.Participate in technology evaluations, vendor selection, and roadmap planning.Promote DevOps, security, cloud, and operational best practices.Collaborate with application, infrastructure, security, and business teams to deliver