Senior IT Technician / M365 Technical Consultant

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 Senior IT Technicians / M365 Technical Consultants to support a federal Microsoft 365 cloud environment. The Senior IT Technicians will provide hands‑on technical support, troubleshooting, incident/task ticket resolution, user support, documentation, monitoring, and operational support across the M365 enterprise. This position is primarily remote. Responsibilities Assist with troubleshooting M365 incident and task tickets, including Priority 1 through Priority 4 issues. Provide technical support and troubleshooting assistance for Copilot, Power BI, Power Apps, Power Automate, SharePoint Online, OneDrive for Business, Teams, Exchange Online, and related services. Monitor M365 services, OneDrive features, Dataverse environments, end‑user data retention requirements, resource utilization, and platform performance. Support configuration, maintenance, and troubleshooting of tenant and backup solutions for OneDrive. Assist with developing and maintaining PowerShell scripts to support OneDrive, SharePoint, M365 administration, and operational needs. Assist with SharePoint Online administration and support. Create and maintain reference materials, FAQs, knowledge articles, iTrain content, and user support documentation. Assist with Proofs of Concept, pilot testing, service validation, and technical documentation. Support action‑item tracking, risk reporting, mitigation updates, escalations, accomplishments, and closures. Contribute to bi‑weekly status updates and monthly consolidated reporting. Minimum Qualifications Minimum 5 years of experience supporting Microsoft 365 cloud‑based services in a large corporate or government environment. Experience providing hands‑on technical support for M365 services such as SharePoint Online, OneDrive for Business, Teams, Exchange Online, Power Platform, Copilot, Azure/Azure AD, and Intune. Experience troubleshooting user issues, service incidents, platform performance, configurations, and operational problems. Experience with PowerShell scripting. Working knowledge of SharePoint Online administration. Knowledge of user permissions, data retention, compliance settings, and M365 governance concepts. Ability to communicate clearly with technical teams, end users, and business stakeholders. Ability to complete IRS MBI/security onboarding and required IRS security training. Preferred Qualifications Experience supporting federal government or large enterprise M365 environments. Experience with AvePoint Online Services, Dataverse, Power BI, Power Apps, Power Automate, Copilot, AI Builder, Purview, and Defender. Experience in creating knowledge articles, training materials, FAQs, and user‑facing support documentation. Experience with incident/task ticketing workflows, P1–P4 support, and escalation procedures. Benefits For an overview of ARSIEM benefits, please visit Clearance Requirement: This position requires the ability to complete IRS MBI/security onboarding and required federal security training. Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is 3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment. 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. #J-18808-Ljbffr ARSIEM