> Markdown version of [/jobs/ext/2189813-senior-virtualization-administrator](https://www.wearedevelopers.com/jobs/ext/2189813-senior-virtualization-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Virtualization Administrator - **Company:** Applied Information Sciences, Inc. - **Location:** United States - **Experience:** Expert - **Salary:** $102,000.0 - $154,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Backup Devices, Cloud Computing, Complex Networks, System Configuration, Disaster Recovery, Domain Name System (DNS), VMware ESX Servers, Fault Tolerance, IP Addressing, Subnetting, Windows Servers, NetApp Applications, Performance Tuning, Windows PowerShell, Migration Manager, TCP/IP, Virtual Local Area Networks, Virtualization Technology, VMware VSphere, Computer Network Technologies, System Availability, Delivery Pipeline, HybridCloud, Infrastructure Automation Frameworks, Performance Monitor, Cloud Migration, Veeam, Vmware - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9112014/senior-virtualization-administrator ## About the Role * 6-8+ years recent experience as a senior vSphere administrator (min version 6.7). * Expert-level installing, configuring, maintaining, and troubleshooting vSphere. * Expert-level provisioning, configuring, securing, and troubleshooting ESXi hosts. * Experience creating and managing snapshot policies. * Experience configuring and scheduling automated backups (e.g., Veeam). * Experience administering SAN devices (e.g., NetApp). * 5+ years recent experience as a senior Windows Server administrator (Server 2019, 2022, 2025, or newer). * Expert-level installation, administration, configuration, tuning, and troubleshooting of Windows Server environments. * Experience with performance monitoring, tuning, and optimization of VMware and Windows environments. * Disaster recovery and high availability experience. * Proficiency with PowerShell scripting. * Knowledge of Active Directory and networking (IP addressing, subnetting, TCP/IP, VLANs, DNS). Nice to Have Skills * Experience working in regulated government environments. ## Description At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Senior Infrastructure Engineer. * Core Knowledge & Skills: Designs complex network and hybrid-cloud solutions; implements security controls, DR/BCP, and automated IaC with deployment pipelines; performs advanced performance tuning. * Work & Complexity: Solves complex issues, designs and delivers new infrastructure solutions, performs capacity planning, and leads advanced automation initiatives. * Quality & Independence: Drives root-cause analysis, enforces best practices and QA on changes, optimizes for reliability and user experience; operates with high autonomy. * Teamwork & Communication: Leads cross-functional efforts, mentors juniors, facilitates knowledge transfer, and aligns stakeholders with technical plans. * Consulting & Engagement: Provides strategic input on infrastructure initiatives, recommends advanced technologies, and manages vendor relationships., * Administer and optimize the VMware vSphere environment - Install, configure, maintain, upgrade, and troubleshoot vSphere and ESXi infrastructure, ensuring high availability, security, reliability, and performance. * Manage Windows Server infrastructure - Administer, configure, secure, tune, and troubleshoot Windows Server environments, including Server 2019, 2022, 2025, and newer platforms, as part of the organization's hybrid infrastructure. * Manage virtualization storage, snapshots, and backups - Administer SAN infrastructure such as NetApp, develop and maintain VM snapshot policies, and configure and monitor automated backup solutions such as Veeam to support data protection and recovery objectives. * Support cloud migration and infrastructure consolidation - Provide senior-level virtualization and Windows expertise throughout the consolidation of on-premises and hybrid infrastructure into cloud-based environments, including assessment, migration planning, workload transition, and post-migration optimization. * Ensure disaster recovery and high availability - Design, implement, maintain, and test virtualization and Windows infrastructure solutions that support business continuity, disaster recovery, fault tolerance, and high availability requirements. * Monitor, troubleshoot, and optimize infrastructure performance - Proactively monitor VMware, ESXi, Windows Server, storage, and related infrastructure; identify performance bottlenecks; and implement tuning and optimization strategies to improve capacity, availability, and efficiency. * Automate infrastructure administration and operational tasks - Develop and maintain PowerShell scripts and automation processes to streamline provisioning, configuration, monitoring, maintenance, reporting, and other repetitive infrastructure management activities. * Maintain secure and compliant infrastructure operations - Apply best practices for Active Directory, DNS, TCP/IP, VLANs, subnetting, and other core networking services while ensuring infrastructure changes and operational procedures align with the security, documentation, and compliance requirements of regulated government environments. ## Related Videos - [SRE Methods In an Agency Environment](https://www.wearedevelopers.com/videos/348-sre-methods-in-an-agency-environment) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)