System Architect

About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting‑edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for self‑starting, motivated System Architects to support a federal Microsoft 365 cloud environment. The System Architects will support architecture, design, integration, governance, optimization, and technical planning across M365 cloud services, Power Platform, SharePoint, One Drive, Exchange, Teams, Copilot, Azure, Intune, and AvePoint Online Services. This job is primarily remote.

• Design, support, and optimize Microsoft 365 cloud architecture across Power Platform, SharePoint Online, One Drive for Business, Exchange Online, Teams, Copilot, Azure/Azure AD, Intune, and AvePoint Online Services.
• Support Power Platform environment design, tenant configuration, pipelines, governance, and enterprise policy implementation.
• Assist with SharePoint Online administration and SharePoint on‑premises infrastructure considerations.
• Support integration across SharePoint Online, Teams, Exchange Online, Azure, AvePoint Online Services, and related systems.
• Assist with data readiness planning, Purview integration, data protection, permissions management, retention, and compliance settings.
• Support M365 service monitoring, Dataverse performance monitoring, resource utilization analysis, and troubleshooting.
• Assist with tenant and backup solution configuration and maintenance for One Drive and related services.
• Support POCs, pilot testing, technical roadmaps, architecture documentation, and reference materials.
• Collaborate with developers, security specialists, engineers, technicians, and government stakeholders.
• Contribute to bi‑weekly status reports and monthly consolidated health reporting.

• Minimum 5 years of experience supporting Microsoft 365 cloud‑based services in a large corporate or government environment.
• Experience architecting, designing, implementing, administering, or optimizing Microsoft 365 cloud services.
• Experience with SharePoint Online administration and Microsoft 365 development.
• Experience with Microsoft Power Platform, including Power Apps, Power Automate, Power BI, Dataverse, and environment configuration.
• Knowledge of Exchange, Intune, Azure AD, Azure, Teams, One Drive, Copilot, and related M365 services.
• Experience with Power Shell scripting.
• Experience with user permissions, data retention, compliance settings, governance, and enterprise policy implementation.
• Ability to troubleshoot technical issues across the M365 platform and AvePoint Online Services.
• Excellent communication skills and ability to explain technical concepts to multiple audiences.
• Ability to complete IRS MBI/security onboarding and required IRS security training.

• Experience with Microsoft Purview, Defender, Graph connectors, Copilot, Loop, AI Builder, and AvePoint Online Services.
• Experience supporting migrations, enterprise M365 governance, tenant architecture, and security architecture.
• Experience supporting federal government or large enterprise cloud environments.
• Experience supporting Windows Server, SQL Server clusters, SharePoint farms, or hybrid enterprise architectures.

This position requires the ability to complete IRS MBI/security onboarding and required federal security training.

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.