EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, EKS, ECS, Fargate, ACM, WAF, SES, SSM, Auto Scaling, Backup Plan, EFS, IoT, CloudFront, CloudWatch, Linux server management (Red Hat, Debian, CentOS, Amazon Linux, Ubuntu), Windows Server administration, Server setup, Software installation and configuration, User management, Hardening, Auditing, Log review, Performance optimization, Security configuration, Patching, Firewall management, Volume management, Backup configuration, Backup restoration, Disaster recovery procedures for Linux servers, Configuration and tuning for Apache, Nginx, Postfix, MySQL, PostgreSQL, Java, Apache Tomcat, Python, Node.js, PHP-FPM, Nagios, Prometheus, Grafana, Munin, Netdata, Bash scripting, Ansible playbooks, Docker containerization, Kubernetes management, Jira, GitHub, GitLab, Jenkins, Domain management, DNS record configuration