Full Time Remote friendly

Senior System Engineer

Dollar Tree Hybrid - Dallas, TX
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Compensation $N/A $N/A
Location Hybrid - Dallas, TX Work from anywhere

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Job summary

Company
Dollar Tree
Location
Hybrid - Dallas, TX
Employment type
Full Time
Published
Oct 5, 2025

Job description

The Systems Engineer II is responsible for the design, implementation, and optimization of enterprise-level Windows, virtualization, and Microsoft 365 infrastructure. This role ensures the reliability, security, and performance of IT systems across on-premises and cloud environments. The engineer will collaborate with cross-functional teams to deliver scalable, secure, and innovative solutions that meet business needs Primary Responsibilitie Windows Engineering: • Design, implement, and optimize Windows-based solutions, with emphasis on both Azure and on-premises Active Directory. • Evaluate and implement Windows Server technologies including Group Policy and DNS. • Perform system upgrades, patch management, and security hardening. • Troubleshoot and resolve complex Windows-related issues. • Implement and manage cloud-based solutions such as Azure AD, IaaS infrastructure, and Microsoft 365. • Administer and configure identity management platforms (Okta, Azure AD) • Participate in disaster recovery planning and execution. Virtualization: • Design and implement virtualization infrastructure including server installations and configuration. • Manage and maintain virtualization platforms such as VMware and Azure Virtual Desktop. • Create and manage virtual machines and associated resources (memory, storage). • Provide technical support for virtualization-related issues. • Maintain documentation and collaborate with teams to define virtualization-based solutions. Microsoft 365: • Design and implement Exchange infrastructure including hybrid server installations. • Lead M365 migration projects (Exchange Online, SharePoint, Teams). • Implement security best practices (DLP, MFA, compliance policies). • Provide training and documentation for end-users and support teams. • Collaborate with IT teams to ensure cohesive integration of M365 services. Other Responsibilities: • Ensure smooth transitions from project integration to daily operations. • Define and improve process and technology standards across the enterprise. • Provide technical guidance and mentorship to team members. • Stay current with industry trends and emerging technologies. • Participate in On-Call support rotations as required. Required Qualifications: • 10+ years of experience in Windows Systems Engineering or related IT infrastructure roles. • Strong expertise in Windows Server OS (2016, 2019, and newer). • Experience with virtualization technologies (VMware, Azure Virtual Desktop). • In-depth knowledge of M365 applications (Exchange Online, SharePoint, Teams). • Proficiency in identity management platforms (Okta, Azure AD). • Strong understanding of Active Directory, Group Policy, DNS. • Proficient in PowerShell scripting for automation and administration. • Familiarity with cloud services (Azure, GCP, Microsoft 365). • Strong problem-solving, communication, and time management skills. Preferred Qualifications: • Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience). • Relevant certifications (e.g., Microsoft Certified: Azure Administrator, MCSE). • Experience with M365 migration projects and security compliance.