Systems Engineer III - Windows

Applied Digital; Dallas (TX); On-site; USD 140,000 - 180,000; Full time

Job summary

Applied Digital in Dallas, TX seeks an experienced infrastructure engineer to design, deploy, and manage Windows Server environments while integrating Linux systems in hybrid data center settings. You will automate tasks using PowerShell, Python, and Ansible, and work across AD, DNS, DHCP, and storage solutions.

The role requires deep virtualization expertise (Proxmox) and experience with databases, CI/CD, and security hardening, with on-call responsibilities across multiple sites.

Qualifications

• Minimum 12 years of experience managing Windows infrastructure in mission-critical environments.
• Direct experience supporting large-scale data center infrastructure and hyperscale environments.
• Strong virtualization, storage, backup/recovery, and hybrid cloud integration knowledge.
• Proficiency with automation and scripting tools including PowerShell, Python, Ansible, and Bash.

Responsibilities

• Deploy, configure, and manage Windows Server environments; leverage automation.
• Administer Active Directory, DNS, DHCP, and related services.
• Use Ansible, PowerShell, Python, and other tools to orchestrate infrastructure.
• Support cross-platform tooling and monitoring in hybrid environments (Windows/Linux).
• Collaborate with network, facilities, and security teams across multiple data center sites.
• Develop automation scripts and standards; create documentation for designs and runbooks.
• Troubleshoot issues from hardware to OS services; assist with patching and hardening.
• Coordinate upgrades with vendors and participate in on-call rotations.

Skills

Windows Server administration

Linux administration

Active Directory

Automation and scripting

PowerShell

Python

Bash

Proxmox virtualization

SQL/NoSQL databases

GitHub / CI/CD

Education

Bachelor’s degree in CS/IS/Engineering

Tools

Ansible

PowerShell

Python

Bash

GitHub

Visio / diagramming tools

Job description

At Applied Digital, we are the epicenter of AI innovation, crafting cutting-edge data center solutions tailored for the demands of high-performance computing. Designed from the ground up to support AI and machine learning workloads, our infrastructure is the backbone of tomorrow’s technological advancements, including AI-driven video and generative platforms.

We are:

• Forward-Thinkers: With a keen eye on current market trends and future innovations, we adapt swiftly and lead technological evolution.
• Resilient: We navigate complex challenges and emerge stronger, delivering robust and reliable solutions for industry pioneers.
• Innovative Designers: Leveraging the latest technologies, we create visionary solutions that redefine industry standards.

At Applied Digital, we are committed to solving intricate problems, advancing business initiatives, maximizing operational efficiency, and reducing our carbon footprint. We are a team of resilient, forward-thinking innovators driving the AI revolution.

Key Responsibilities:

• Deploy, configure, and manage Windows Server environments supporting core infrastructure and operations, leveraging automation.
• Administer Windows-based systems including Active Directory, Group Policy, DNS, DHCP, and related services.
• Use Ansible, PowerShell, Python, and other automation tools to orchestrate and manage configuration, deployment, and ongoing operations of Windows and Active Directory environments.
• Utilize Linux expertise to support cross-platform tools, system integration, and monitoring in hybrid environments.
• Collaborate closely with network, facilities, and security teams to support integrated infrastructure across multiple data center sites.
• Develop and maintain automation scripts and configuration standards to build a streamline system and improve reliability.
• Create and maintain documentation for system designs, standard operating procedures, and incident response guides.
• Troubleshoot and resolve issues across the full stack, from hardware through OS-level services.
• Support vulnerability remediation, patch management, and infrastructure hardening aligned with security and compliance frameworks.
• Coordinate with vendors and assist with system upgrades, refresh cycles, and integration of modern technologies.
• Participate in an on-call rotation and be available at times to perform after-hours maintenance.

Basic Qualifications:

• Minimum 12 years of experience managing Windows infrastructure in mission-critical environments; Linux experience (RHEL, Ubuntu, or similar) preferred.
• Direct experience supporting large-scale infrastructure at a data center operator or hyperscale cloud provider.
• Strong understanding of virtualization platforms (e.g., Proxmox), enterprise storage systems (SAN/NAS), and backup/recovery solutions.
• Demonstrated experience working with databases (SQL and/or NoSQL), including performance tuning, high availability, backup, and recovery strategies.
• Proficiency in automation tools and scripting languages including Ansible (Windows automation), PowerShell (required), Python, and Bash.
• Experience with modern Windows Server technologies, including Server Core, Nano Server, Windows Containers, and hybrid Azure integrations (Azure Arc, Windows Admin Center).
• Familiarity with advanced Windows security capabilities (Shielded VMs, Defender for Endpoint/ATP) and modern file-sharing technologies (e.g., SMB over QUIC).
• Strong experience using GitHub (or similar platforms) for version control, infrastructure-as-code workflows, and CI/CD pipeline integration.
• Solid understanding of modern AI-assisted coding tools.
• Experience with infrastructure monitoring, performance tuning, patching systems, and configuration management frameworks.
• Solid grasp of data center operational practices including structured cabling, hardware lifecycle management, and out-of-band access solutions.
• Strong documentation skills with experience using tools such as Visio, Miro, or similar diagramming platforms.
• Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field (certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, RHCSA, or equivalent a plus).

Please note that Applied Digital is currently unable to sponsor new applicants for employment authorization or provide immigration-related support for this position. This includes, but is not limited to, visa categories such as H-1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1, O-1, and any Employment Authorization Documents (EADs) or other work authorizations that require employer sponsorship.

Physical Requirements:

Able to remain in a seated position for an extended period and to lift and carry up to 15 lbs. (office manuals, case notebooks, case files, case materials, standard boxes, report binders, etc.) as needed.

The company has reviewed this job description to ensure that essential functions and basic duties have been included. It is intended to provide guidelines for job expectations and the employee's ability to perform the position described. It is not intended to be construed as an exhaustive list of all functions, responsibilities, skills and abilities. Additional functions and requirements may be assigned by supervisors as deemed appropriate. This document does not represent a contract of employment, and the company reserves the right to change this job description and/or assign tasks for the employee to perform, as the company may deem appropriate.

This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbents acknowledge that they possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. This document does not create an employment contract, implied or otherwise, other than an "at will" relationship.

The company is an Equal Opportunity Employer, drug free workplace, and complies with ADA regulations as applicable.