Enterprise software platforms have become the foundation of digital transformation by enabling organizations to deliver scalable, secure, and highly available business services across cloud environments. However, conventional software architectures often rely on manual deployment processes, fragmented operational workflows, and isolated infrastructure management practices, resulting in delayed software releases, configuration inconsistencies, operational inefficiencies, and increased security risks. DevOps automation integrated with cloud infrastructure technologies provides a comprehensive solution for accelerating software delivery while improving infrastructure reliability, governance, and operational excellence. This research proposes an enterprise software platform architecture that combines DevOps automation, cloud-native infrastructure, Infrastructure as Code (IaC), container orchestration, continuous integration and continuous deployment (CI/CD), DevSecOps, automated quality assurance, and intelligent monitoring to establish scalable and resilient enterprise systems. The proposed framework automates infrastructure provisioning, application deployment, configuration management, security validation, compliance monitoring, and operational analytics throughout the software lifecycle. Continuous monitoring, predictive analytics, and AI-assisted operational intelligence further enhance infrastructure resilience, workload optimization, and incident response. The architecture significantly improves deployment consistency, software quality, business agility, and cloud resource utilization while minimizing operational risks and manual intervention. Ultimately, the proposed framework enables organizations to achieve operational excellence through secure, automated, cloud-native enterprise software platforms capable of supporting continuous innovation, digital transformation, and sustainable business growth.