In the modern IT environment, Infrastructure as Code (IaC) has revolutionized the management of cloud-based infrastructure by automating the deployment and configuration of resources. This paper provides a comprehensive analysis of the existing challenges in IaC implementation and proposes advanced techniques to address these issues. Through a detailed comparison of orchestration tools like Chef, Puppet, Ansible, and Terraform, we explore their strengths and limitations. We introduce an innovative framework to enhance resource management, leveraging Kubernetes for container orchestration and Terraform for cloud infrastructure optimization. Mathematical models are used to quantify the impact of improved IaC practices on cost efficiency, deployment speed, and resource utilization in large-scale enterprises. By integrating these approaches, we present a holistic solution that enhances automation, minimizes manual interventions, and reduces infrastructure management costs by up to 30%. This study will benefit IT managers, cloud architects, and DevOps professionals looking to implement scalable and efficient cloud solutions.