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Sigma Defense

Software-driven CJADC2 and C5ISR systems

Virtual Desktop Infrastructure Engineer

System AdministrationUpdated on Nov 11
Full-timeRome, GA, USAIn-person

About the Job

Requirements

  • At least 4 years of relevant experience.
  • Professional experience supporting Virtual Desktop Infrastructure or enterprise Windows desktop environments.
  • Hands-on experience with Microsoft Azure Virtual Desktop.
  • Working knowledge of Microsoft Azure infrastructure and services.
  • Experience configuring and managing Azure Virtual Desktop host pools, session hosts, workspaces, and application groups.
  • Experience administering and troubleshooting Windows 10/11 and/or Windows Server environments.
  • Experience with virtual desktop image creation, maintenance, and deployment.
  • Experience with FSLogix profile management.
  • Understanding of Azure networking concepts and their impact on virtual desktop environments.
  • Working knowledge of Microsoft Entra ID, authentication, authorization, and Azure role-based access control.
  • Experience troubleshooting user sessions, profiles, applications, authentication, networking, and performance issues.
  • Experience with PowerShell scripting and Windows administration.
  • Must be a U.S. citizen.
  • Must possess or be able to obtain an active TS/SCI security clearance.
  • An associate's degree in Information Technology from an accredited college or university is required.
  • Must hold CompTIA Security+ and Azure Virtual Desktop Specialty (AZ-140) certifications.

Responsibilities

  • Deploy, configure, administer, and maintain Azure Virtual Desktop environments within Microsoft Azure.
  • Configure and manage Azure Virtual Desktop host pools, session hosts, workspaces, application groups, and published desktops and applications.
  • Support pooled and personal desktop environments based on mission and user requirements.
  • Monitor Azure Virtual Desktop environments and troubleshoot user-session, performance, connectivity, authentication, application, and profile issues.
  • Build, maintain, test, and deploy standardized Windows desktop and session-host images.
  • Support automated image-management and deployment processes for Azure Virtual Desktop session hosts.
  • Configure and maintain FSLogix profiles and profile containers.
  • Support application installation, configuration, testing, packaging, and delivery.
  • Configure and maintain Azure Virtual Desktop scaling plans and optimize session-host utilization and performance.
  • Support Azure compute, storage, networking, and identity resources required by Azure Virtual Desktop.
  • Integrate Azure Virtual Desktop environments with Microsoft Entra ID, Azure role-based access control, and other Azure identity services.
  • Support secure authentication and access-control requirements.
  • Work with Azure Network Engineers to troubleshoot network connectivity, DNS, routing, firewall, and private-access issues.
  • Work with cybersecurity engineers to implement system-hardening requirements and remediate vulnerabilities.
  • Support Azure Policy, Microsoft Defender for Cloud, and other security and governance capabilities.
  • Develop and maintain automation using PowerShell, Azure CLI, and Infrastructure as Code.
  • Monitor system health, capacity, utilization, and user experience.

Desired Qualifications

  • Experience supporting Azure Virtual Desktop within Azure Government.
  • Experience supporting Virtual Desktop Infrastructure or Azure Virtual Desktop environments within a Department of Defense or other regulated environment.
  • Experience with large-scale or multi-environment Azure Virtual Desktop deployments.
  • Advanced experience with FSLogix.
  • Experience with automated Windows image creation and management.
  • Experience with Microsoft Intune and Microsoft Entra ID Conditional Access.
  • Experience with Azure Files, Azure NetApp Files, Azure Monitor, Log Analytics, and Azure Virtual Desktop Insights.
  • Experience with Microsoft Defender for Cloud and Microsoft Defender for Endpoint.
  • Experience implementing Azure Policy.
  • Experience using Terraform, Bicep, Azure Resource Manager templates, Azure DevOps, or GitHub Actions.
  • Familiarity with Department of Defense Risk Management Framework, NIST Special Publication 800-53, and Security Technical Implementation Guides.

About the Company

Sigma Defense

Software-driven CJADC2 and C5ISR systems

Sigma Defense provides software-driven solutions that improve military communications and decision-making. It specializes in integrating advanced technologies, data analytics, and communication networks to create interoperable systems that share real-time information across all military services and agencies. Its CJADC2 focus means it bridges legacy systems with modern technology to speed access to data and enhance decision-making through sensor analysis and strong network security. The portfolio includes C5ISR, SATCOM, and DevSecOps, and features a Tactical Relay System (a U.S. Government Program of Record) that transports and distributes tactical ISR data. The company uses DevSecOps to enable rapid, secure deployment of capabilities to front-line users, with a team of veterans and technologists developing hardware and software solutions to improve decision quality, speed, and certainty in military operations.

Company size
51-200
Company stage
Not listed
Total funding
Not listed
Headquarters
Warner Robins, GA
Founded
2006

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