● Responsible for the installation, maintenance, configuration, and integrity of computer software. ● Implements operating system enhancements to improve system reliability and performance. ● Performs systems administration of desktop and server systems connected to LAN and WAN, including account monitoring, security, OS installation, and other related functions. ● Provides support for the implementation, troubleshooting, and maintenance of IT systems. ● Conducts root-cause analysis on hardware, software, and network issues to restore functionality. ● Administers VMware virtual environments, including ESXi hosts, vCenter appliances, and VSANs. ● Creates and maintains detailed system documentation. ● Manages IT system infrastructure and related processes. ● Supports day-to-day operations, monitoring, and problem resolution for client/server/storage/network devices and mobile devices. ● Analyzes network topologies, traffic, and capacity, providing recommendations for improvements. ● Provides Tier 1 and Tier 2 problem diagnosis and resolution. ● Communicates status updates to management and internal customers. ● Supports hardware and system issues, including dispatch system problems. ● Installs and loads operating systems and applications. ● Isolates and resolves hardware/software problems involving applications, OS, hardware, or communications infrastructure. ● Troubleshoots, maintains system integrity, and configures network components, implementing OS enhancements. ● Integrates new technologies into existing systems, including migrations. ● Performs Local Element (LE) duties and Enhance Trusted Agent duties. ● Transform technology into opportunity as a Senior Systems Administrator with GDIT, contributing to enterprise IT innovation and agency operations. ● Manages functionality and efficiency of multiple computers across operating systems. ● Required Experience: 3+ years. ● Required Technical Skills: Security Clearance Level: Top Secret. ● Required Skills: Strong communication skills. ● Preferred Skills: Customer engagement and experience. ● Location: On customer site. US Citizenship required. ● Benefits include flexible work week, 401K, health packages, career growth, education opportunities, and paid leave. ● Salary range: $93,500 - $126,500, based on experience and location. ● About GDIT: A global company delivering technology and mission services to US government agencies, with expertise in digital modernization, AI/ML, Cloud, Cyber, and more. #J-18808-Ljbffr