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 a self-starting, motivated M365 Security Specialist to support a federal Microsoft 365 cloud environment. The M365 Security Specialist will support security, privacy, governance, audit logging, data protection, compliance settings, and security change management across the M365 enterprise. This position is primarily remote.

Responsibilities

Support security, privacy, and governance activities across the Microsoft 365 cloud suite.

Assist with data readiness planning and integration of Microsoft Purview to protect sensitive data.

Support management of user permissions, data retention, compliance settings, and enterprise policies.

Assist with documentation and management of Security Change Requests and audit logging solutions.

Support Microsoft security and cyber architecture activities related to M365 services.

Assist with security and configuration support for SharePoint Online, OneDrive for Business, Exchange Online, Teams, Power Platform, Copilot, Azure/Azure AD, Intune, and AvePoint Online Services.

Support AvePoint Online Services security capabilities, including tenant-to-tenant considerations, Splunk Enterprise integration, bring-your-own-key configurations, IP restrictions, SFTP, and related interfaces.

Collaborate with systems support staff and technical teams to identify, mitigate, and document risks.

Contribute to bi-weekly and monthly status reporting, including action items, risks, mitigations, escalations, accomplishments, and closures.

Minimum Qualifications

Minimum 5 years of experience supporting Microsoft 365 cloud-based services in a large corporate or government environment.

Experience supporting M365 security, compliance, governance, or privacy activities.

Knowledge of Microsoft Purview, Defender, Azure AD, Intune, Exchange Online, SharePoint Online, Teams, and related M365 security capabilities.

Experience managing or supporting user permissions, data retention, compliance settings, and audit logging.

Experience with Power Platform security and governance concepts.

Experience creating or supporting PowerShell scripts.

Ability to troubleshoot technical and security issues across the M365 platform and AvePoint Online Services.

Strong written and oral communication skills.

Ability to complete IRS MBI/security onboarding and required IRS security training.

Preferred Qualifications

Experience with federal security processes, audit logging, security change requests, or cyber architecture support.

Experience supporting M365 in a regulated or government enterprise environment.

Knowledge of Power Apps, Power Automate, Power BI, Copilot for Power Platform, AI Builder, and Dataverse governance.

Experience with risk tracking, mitigation planning, and technical documentation.

Benefits

For an overview of ARSIEM benefits, please visit https://www.arsiem.com/careers/