Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin Space division and will be located Onsite in Littleton, CO. The selected candidate will be responsible for providing support to the critical Programs that the Special Programs Division are responsible for. This Systems Engineer Senior - IT role is a Hybrid Systems Administration role, and will provide progressive experience in managing complex hybrid IT environments, with a strong emphasis on supporting security tools and navigating intricate projects across multiple classified domains. The successful candidate will be a subject matter expert responsible for ensuring the continuous compliance, security, and optimal functionality of our vital information systems. This includes the expert-level installation, configuration, and maintenance of Windows and Linux environments, database deployments, and application tools. In this position the chosen candidate will perform collaboration with internal and external customers, team members, vendors, and end-users. As a Hybrid Administrator, the candidate will play a significant role in planning and leading the coordination of COTS software and hardware upgrades and the strategic integration of new capabilities. Flexibility for periodic after-hours support and occasional non-standard work shifts is essential to support critical system testing, baseline promotions, and other mission-essential activities.