Senior System Administrator

E2M Solutions works as a trusted white-label partner for digital agencies. We support agencies with consistent and reliable delivery through services such as website design, web development, eCommerce, SEO, AI SEO, PPC, AI automation, and content writing. Founded on strong business ethics, we are an equal opportunity organisation powered by 300+ experienced professionals, partnering with 400+ digital agencies across the US, UK, Canada, Europe, and Australia. At E2M, we value ownership, consistency, and people who are committed to doing meaningful work and growing together. If you're someone who dreams big and has the gumption to make them come true, E2M has a place for you About Role We are looking for a highly skilled Senior System Administrator with strong expertise in AWS, Linux, DevOps workflows, Docker, and especially WordPress & WordPress Multisite management. The ideal candidate will be responsible for hosting, troubleshooting, optimizing, and securing WordPress applications across various cloud and managed hosting platforms. Key Responsibilities AWS Infrastructure Management Manage and optimize EC2 instances, security groups, EBS volumes, and networking. Deploy and maintain ECS clusters (EC2 + Fargate). Configure ELB/ALB, autoscaling, and fault-tolerant architectures. Manage Elasticache (Redis/Memcached). Work with OpenSearch (Elasticsearch). Manage RDS (MariaDB/MySQL & Aurora). Create and tune ASG policies. Manage S3, CloudFront, and lifecycle rules. Work with Elastic Transcoder for video workflows. AWS CodeCommit, CodeBuild, CodeDeploy — CI/CD pipelines. Create and maintain AMIs and Amazon Linux 2 systems. Linux System Administration Administer Amazon Linux, Ubuntu, and CentOS. Mount and manage storage volumes. Troubleshoot OS & performance issues. Bash scripting for automation. Configure automated backups and cron jobs. Containerization & Orchestration Build Docker images, networks, and multi-container stacks. Write and optimize Docker Compose files. Push/manage images in AWS ECR. Deploy Docker workloads on ECS. Experience with Docker Swarm (optional). WordPress & Multisite Expertise (Mandatory) This is a core skill requirement. The candidate must have deep practical experience in: WordPress Hosting & Management Deploy, configure, and maintain WordPress single-site and multisite installations. Experience with high-traffic WordPress hosting setups. Set up Nginx or Apache for WordPress performance optimization. Configure php-fpm, caching layers, Redis object cache, OPCache, FastCGI, etc. Manage WP-CLI for automation and troubleshooting. Configure secure file permissions, read-only hosting, and hardening. Troubleshooting & Performance Debug plugin/theme conflicts, slow queries, server-level performance issues. Investigate PHP errors, fatal errors, 5xx issues, resource overuse. Identify issues using logs (Nginx/Apache, PHP-FPM, MySQL, CloudWatch, NewRelic). Plugins & Custom Requirements Handling common plugins (WooCommerce, membership systems, page builders). Configure SSL, redirects, CDN integrations, and caching plugins. Expert understanding of WordPress Multisite network setup and domain mapping. Database Skills Optimize MySQL/MariaDB for WordPress workloads. Fix corrupted tables, slow queries, metadata locks, etc. Application Deployment & Web Servers Deploy WordPress, Laravel, Node.js apps using Nginx/Apache. Configure Certbot (including standalone mode for Docker). Proxy Node.js apps behind Nginx. Experience with Bitnami WordPress stacks. DevOps Tools & CI/CD Setup development environments (LAMP, MAMP, Docker-based setups). Manage GitHub, GitLab, Bitbucket repositories. Implement CI/CD pipelines and deployment automation. Cloud Hosting Providers Hands-on experience with: AWS DigitalOcean Azure Google Cloud UpCloud, Linode, Hetzner, etc. Managed Hosting Platforms Must be comfortable working with: WPEngine Kinsta Flywheel CloudWays GridPane Pagely Pantheon Monitoring & Performance Use New Relic, CloudWatch, and related tools. Implement server health monitoring and performance dashboards. Diagnose bottlenecks and recommend improvements. Qualifications 5+ years of System Admin / DevOps experience. Strong Linux + AWS experience. Deep WordPress (single + multisite) skills — mandatory. Solid Docker and CI/CD expertise. Ability to troubleshoot at OS, server, and application levels. Preferred Skills Terraform / IaC. AWS ECS DNS, CDN, Cloudflare, and WAF security. General web security best practices.