System Administrator

Active Directory Systems AdministratorOwn your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day.CIO Infrastructure Services (CIS) is growing, and we invite both our experienced incumbents and new team members to be part of what's next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we'll strengthen continuity and drive the next generation of innovation.As a Virtualization Systems Administrator supporting Infrastructure Services, you will be responsible for the operation, sustainment, and security of enterprise virtual server environments across multiple networks and enclaves. You will ensure stability, compliance, and performance of hypervisors, virtual machines, and compute clusters. You will support technical troubleshooting, implement configuration baselines, apply security controls, monitor systems health, and assist in the design and deployment of new virtual infrastructures.Key Responsibilities:Administer, maintain, and optimize virtualized server environments including VMware, Hyper-V, and related hypervisor technologiesOperate and maintain vCenter systems, including certificate lifecycle management, password oversight, and baseline updatesBuild, maintain, and troubleshoot virtual machines (Windows and Linux) to support mission applications and infrastructure servicesMonitor compute resource health, availability, and utilization; identify performance bottlenecks and recommend improvementsMaintain configuration baselines for virtual hosts, hypervisors, VM templates, firmware, and golden imagesMaintain ATO compliance by supporting documentation, control implementation, and updates to system security baselinePerform timely patching of hypervisors, virtual appliances, guest operating systems, and associated toolsBuild and maintain virtual machine templates, configuration profiles, and provisioning workflows to support consistent deploymentsWhat You'll Need to Succeed:Experience Requirements: Virtualization Systems Administrator Senior - Requires a Bachelor's degree in an IT-related field or 8+ years of relevant IT experience in lieu of a degree. Virtualization Systems Administrator Principal- Requires a Bachelor's degree in an IT-related field or 10+ years of relevant IT experience in lieu of a degree.Certification: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.)Clearance: Active TS/SCI clearance with a favorable polygraphHands on experience administering enterprise scale virtualization platforms (VMware, Hyper-V)Experience with Windows and Linux server administration in virtualized environmentsStrong background in patch management, vulnerability remediation, STIG compliance, and secure configurationsExperience supporting clustered environments, vCenter operations, and hypervisor lifecycle managementStrong troubleshooting, analytical, and documentation skillsUS citizenship requiredLocation: OnsiteGDIT is your place. At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.The likely salary range for this position is $96,569 - $130,651. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours: 40Travel Required: NoneTelecommuting Options: OnsiteWork Location: USA MD Annapolis JunctionAdditional Work Locations: USA CO Colorado Springs - 8610 Explorer Dr (COC036), USA DC Washington, USA FL MacDill AFB - 7115 S Boundary Blvd (FLC096), USA VA Springfield - 7770 Backlick Rd (VAS110)Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.