As a Senior Systems Administrator at Vaco, you will play a crucial role in providing day-to-day support for multiple clients' IT environments. This position involves resolving tickets, patching systems, handling escalations, troubleshooting issues, and deploying PCs. You will utilize your strong end-user and PC support skills to address PC issues both remotely and onsite. Additionally, you will be expected to have advanced server administration capabilities, including knowledge of VCenter, backup solutions, and Azure, to build, maintain, and ensure that security needs are met. Your role will also require excellent verbal and written communication skills to interact effectively with clients and document all work performed. In this position, you will serve as a technical focal point for other System Administrators, assisting them with complex technology incidents and eliminating recurring issues through root cause analysis and remediation. You will be responsible for resolving a wide range of tickets related to servers, applications, networks, and laptops/desktops, as well as configuring Windows Active Directory, Group Policy, and file and print services. Your duties will include building and configuring hardware, peripherals, and services according to standards and project requirements, troubleshooting and deploying workstations, servers, VPNs, printers, switches, routers, and software packages. You will also perform software installations, configurations, upgrades, troubleshooting, and performance tuning across various vendors and systems. Proactive daily client checks will be part of your responsibilities, ensuring any discrepancies are remediated. You will monitor system performance according to established SLAs, maintain server patching and backup schedules, and provide after-hours on-call support on a rotating basis. The ability to deliver professional and personable onsite and remote support is essential for success in this role.