Windows Systems Engineer

Samsung SDS America is the North American technology and digital transformation arm of Samsung SDS, a global leader in IT services, cloud, artificial intelligence, enterprise platforms, cybersecurity, and logistics solutions. We partner closely with Samsung's industry-leading businesses-including Samsung Electronics, Samsung Semiconductor, Samsung Display, and Samsung Research-to design, implement, and support innovative technology solutions that accelerate business performance.

In addition to supporting Samsung affiliates, Samsung SDS America works with enterprise customers across a wide range of industries, helping organizations modernize their technology ecosystems through cloud transformation, data management, cybersecurity, AI, enterprise applications, and digital innovation. Our teams combine deep technical expertise with a collaborative, customer-focused approach to deliver secure, scalable, and business-critical solutions.

Position Summary

We are seeking a Senior Microsoft Exchange and Active Directory Engineer to design, implement, maintain, and optimize enterprise messaging and directory services to ensure secure, highly available, and reliable operations. This role is responsible for managing Microsoft Exchange environments, Database Availability Groups (DAGs), mail flow, replication, backup and recovery, Active Directory infrastructure, Group Policy, and DNS services. The ideal candidate will have extensive experience with Exchange Server, Windows Server, advanced PowerShell scripting, and enterprise email archiving solutions, including Enterprise Vault and Barracuda Message Archiver. This engineer will provide Tier 3 technical support, troubleshoot complex infrastructure issues, manage patching and upgrades, and collaborate with business and technical teams to improve system performance, security, and operational efficiency. The position requires strong troubleshooting and networking expertise, adherence to ITIL change management practices, thorough documentation, and participation in a 24/7 on-call rotation.

Responsibilities

• Design, implement, document, test, troubleshoot and deploy IT system solutions related to Exchange (Exchange 2013/2016/2019/SE)
• Design and configure MS Exchange infrastructure to maintain a stable, secure and highly available Exchange email environment.
• Maintain, monitor, and configure DAG Databases, Replication, Backup & Restore, Free/Busy, Address Book Policies, Mail Flow, Exchange Certificate.
• Maintain and update Active Directory DNS.
• Deploy, and manage Microsoft Active Directory forests, Domains, and Active Directory Certificate Services.
• Configure and maintain Group Policies.
• Troubleshoot Active Directory replication issues and logon issues.
• Maintain and support Email archives for end users and compliance.
• Provide tier 3 end user support.
• Work with business clients to evaluate, streamline, and improve current systems, processes, and workflow.
• Maintain and develop documentation.
• Own processes related to, and supporting, Email Archiving & Patch Management.
• Recommend, design, and plan upgrades and system improvements.
• Participate in on call rotation providing 24x7 uptime & support.