Manage and support Windows, Linux, and cloud-based servers (Azure, AWS, VMware). Monitor system performance, availability, and capacity; troubleshoot and resolve incidents. Provide Tier 3 support for escalated issues from IT support teams. Implement Infrastructure as Code (IaC) using tools like Terraform, Ansible, or CloudFormation. Build and maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, Azure DevOps). Automate system provisioning, configuration management, and deployments. Design and optimize cloud environments for scalability, security, and cost efficiency. Manage VMware clusters, storage systems, and networking. Support containerization (Docker, Kubernetes) where applicable. Enforce identity and access management best practices (Active Directory, LDAP, SSO, MFA). Implement and monitor security hardening, patching, and vulnerability management. Ensure compliance with company and industry standards (ISO, SOC2, HIPAA, etc.). Partner with developers, network engineers, and security teams to deliver resilient solutions. Mentor junior engineers and provide technical guidance across the IT organization. Lead root cause analysis (RCA) and post-incident reviews.