Systems Engineer

We are seeking a Senior Systems Engineer to design, integrate, and manage Windows-based systems within complex enclave environments. The role focuses on secure, reliable, and interoperable Windows infrastructure, including Active Directory, Group Policy, Citrix, Microsoft Exchange, and SQL Server. Responsibilities also include endpoint security using Trellix ePO and certificate/PKI services supporting authentication and secure communications. The environment includes multiple domains and diverse COTS and engineering applications such as Jira, Confluence, SharePoint, SolidWorks, and MATLAB.

Day to Day Responsibilities:

Administer and maintain Windows Server, Active Directory, and domain environments Manage GPOs, security baselines, authentication, replication, and certificate/PKI services Automate administrative and troubleshooting tasks using PowerShell. Integrate and support enterprise applications including Exchange, SQL Server, and Citrix. Maintain endpoint security using Trellix ePO and support vulnerability remediation. Troubleshoot system, application, authentication, and cross-platform integration issues. Collaborate with network, security, storage, and application teams to resolve infrastructure issues Support system upgrades, modernization, lifecycle management, and operational sustainment. Maintain technical documentation and as-built system configurations.

In depth knowledge of Windows Active Directory and Group Policy Understanding of WSUS and third party software patching Microsoft Exchange knowledge Experience with Microsoft SQL Server Prior experience working in a Citrix environment