A Server Administrator manages and maintains an organization's server infrastructure, ensuring optimal performance, security, and uptime. Key responsibilities include configuring, monitoring, and troubleshooting servers, managing backups, and implementing security protocols. Required skills include proficiency in operating systems, networking, and scripting. Typically working in IT departments, they collaborate with network engineers and security analysts. Career progression may lead to roles such as IT Manager or Systems Architect, offering growth in technical expertise and leadership opportunities.