Systems Administrator

About This Role

This Systems Administrator role supports the design, administration, security, and scalability of cloud infrastructure and database environments. The administrator will maintain the infrastructure hosting critical applications across development, testing, training, and production environments, ensuring reliability, performance, and security. Working alongside Software Developers, DevOps Engineers, and Data Engineers, the Systems Administrator will help deliver secure, scalable infrastructure that enables mission-critical software to operate efficiently and reliably. The ideal candidate brings strong systems design experience, database administration expertise, and a proactive approach to improving infrastructure performance, security, and scalability.

Responsibilities

• Deploy, configure, manage, and secure AWS resources, including EC2, S3, RDS, EBS, CloudWatch, and VPC
• Support database sizing, administration, performance optimization, and server security
• Build, maintain, and troubleshoot continuous integration and continuous delivery pipelines using GitLab, GitHub, or Jenkins
• Design, deploy, maintain, and troubleshoot Kubernetes clusters and containerized environments to support reliable application development and deployment
• Perform routine maintenance, vulnerability scanning, patch management, and system troubleshooting across physical and cloud infrastructure
• Manage VPNs and maintain current SSL/TLS certificates
• Design and implement secure infrastructure enhancements to support new capabilities, resolve technical issues, and improve system performance, availability, and scalability
• Maintain and improve software and infrastructure architecture by applying operational best practices, identifying opportunities for automation, and proactively addressing performance and reliability concerns
• Partner with software development, DevOps, and data engineering teams to maintain stable environments, support deployments, and ensure infrastructure meets evolving technical and operational requirements

Requirements

• 7+ years of experience working with SQL databases, including database administration, sizing, and performance optimization
• 4+ years of experience administering Linux or Windows environments
• 2+ years of experience working with Elasticsearch environments
• 2+ years of experience deploying, administering, and troubleshooting Kubernetes clusters
• Experience provisioning, securing, and maintaining AWS services and cloud-based infrastructure
• Experience supporting automated build and deployment pipelines using GitLab, GitHub, or Jenkins
• Demonstrated experience designing, maintaining, and improving secure, scalable systems infrastructure
• Strong analytical, troubleshooting, and root-cause analysis skills