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Senior System Engineer
Senior System EngineerDollar Tree Stores • Chesapeake, VA, US
Senior System Engineer

Senior System Engineer

Dollar Tree Stores • Chesapeake, VA, US
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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.

Responsibilities

  • 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.
  • 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.
  • Seniority level

  • Mid-Senior level
  • Employment type

  • Full-time
  • Job function

  • Information Technology and Engineering
  • Industries

  • Retail and IT System Data Services
  • J-18808-Ljbffr

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