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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Virtualization Systems Administrator - **Company:** The Johns Hopkins University Applied Physics Laboratory LLC - **Location:** Laurel, MS, United States - **Experience:** Experienced - **Salary:** $100,000.0 - $245,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Application Virtualization, Microsoft App-V, Cyber Security, Information Systems, System Configuration, Dynamic Host Configuration Protocol, Domain Name System (DNS), VMware ESX Servers, Python (Programming Language), Windows Servers, Virtual Desktops, Windows PowerShell, Service Pack, VMware ThinApp, Virtualization Technology, VMware Horizon View, Scripting, Virtual Environment, Reliability of Systems, Information Technology, Vulnerability Analysis, Vmware - **Published:** August 27, 2026 - **Apply:** https://www.dice.com/job-detail/adf9fdfe-f3b7-4c50-8fc1-d4e1c4106e61 ## About the Role * Possess a Bachelor's degree in Computer Science, Information Technology, related field or equivalent professional experience. * Have 2+years experience with installation, configuration, and administration of virtual environments, particularly VMware ESXi, vCenter Server, and VMware Horizon View. * Familiarity with user profile management, application provisioning, and desktop pool management within the VDI environment. * Strong troubleshooting and problem-solving skills diagnosing and resolving complex virtual environment related issues. * Experience with classified systems, including applying STIGs to operating systems, applications and network peripherals. * Superb communication and collaboration skills effectively working and interacting with the team. * Current DoD 8570 certification (Security+ or CISSP), or ability to obtain DoD 8570 certification within 6 months of employment required. * Have an active Secret security clearance and can obtain a Top Secret security clearance. If selected, you will be subject to a government security investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship. You 'll go above and beyond our minimum requirements if you have... * A Master's degree in Information Systems/Technology, Cybersecurity or Computer Science or related field. * Relevant virtualization certifications, such VMware Certified Professional (VCP). * Proficiency in scripting languages (PowerShell, Python, etc.) for automation of VDI tasks, customization, and process optimization. * Familiarity with application virtualization technologies, such as Microsoft App-V or VMware ThinApp, to deliver virtualized applications within the VDI environment. ## Description Do you thrive in and love a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities?, We are ranked as one of Computerworld 's Top Places to Work in IT for 8 years running, and we are seeking a Virtualization Systems Administrator to help us protect APL's information technology infrastructure. We are seeking a skilled Virtualization System Administrator with classified working experience and expertise in VMware Horizon Virtual Desktop Infrastructure (VDI) to join our team. As a Virtualization System Administrator, you will play a vital role in maintaining and supporting our classified systems and infrastructure., * Manage, configure, and maintain VMware Horizon VDI infrastructure in a classified environment. This includes installation, configuration, patching, and ongoing system administration/monitoring to ensure optimal performance, security, and availability. * Implement and maintain VDI solutions, including virtual desktop pools, application provisioning, and user profile management. Monitor VDI performance and capacity, troubleshoot issues, and optimize resource utilization. * Implement security measures and requirements for classified systems within the virtual environment. Configure access controls, security patches, and updates to protect classified information. Perform regular security audits, vulnerability assessments, and implement necessary security patches and updates. * Install, configure, and maintain Windows server operating systems, including Active Directory, DNS, DHCP, and Group Policy. * Develop and maintain comprehensive documentation, including standard operating procedures (SOPs), system configurations, troubleshooting guides, and knowledge base articles. Continuously improve processes and procedures to enhance system reliability, efficiency, and security. * Collaborate with cross-functional teams on organization-wide IT projects, providing expertise on VDI-related matters. 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