> Markdown version of [/jobs/ext/2728288-m365-migration-support-engineer](https://www.wearedevelopers.com/jobs/ext/2728288-m365-migration-support-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # M365 Migration Support Engineer - **Company:** Science Applications International Corporation - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $120,001.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Cyber Security, Microsoft Exchange Server, Local Security Policy, Microsoft Office, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Microsoft Sharegate, Office365, 3-tier Architectures, Legacy Systems - **Published:** September 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9145030/m365-migration-support-engineer ## About the Role * Bachelor's and nine (9) years of related experience; additional four (4) years of experience accepted in lieu of degree. * 5+ years of experience supporting Microsoft Exchange environments, including Exchange Online. * Proven, hands-on experience with migration tools for Exchange, SharePoint, Teams, and OneDrive (e.g., Sharegate, Metalogix, AvePoint). * Experience with hybrid Exchange environments (on-premises + Exchange Online). * Strong knowledge of Office 365, Azure Active Directory, and PowerShell scripting. * Proven ability to troubleshoot mail flow, mailbox permissions, and connectivity issues. * Experience with security and compliance features (DLP, retention, auditing). * Experience with DoD O365 tenants (Army 365, GCC High, or DoD environments). * Excellent communication, documentation, and customer service skills. ## Description SAIC is looking for an experienced Microsoft Exchange Online Technical Support Engineer to provide dedicated support for U.S. Army 365 (A365) end users. In this role, you will deliver high-quality technical assistance for Exchange Online services, ensuring timely resolution of issues and maintaining reliable communication systems. You will work closely with cross-functional technical teams, driving collaboration and contributing to the continuous improvement of support processes and service delivery., * Provide Tier 2/Tier 3 technical support for Exchange Online services within the Army 365 environment. * Plan and execute the migration of user mailboxes, data, and services from on-premises and legacy systems to Microsoft 365. * Troubleshoot and resolve complex email, mailbox, calendar, and connectivity issues. * Manage and support Exchange Online configurations, policies, and security settings. * Troubleshoot and resolve complex technical issues that arise during and after the migration process. * Document resolutions, create knowledge base articles, and contribute to process improvement initiatives., * Must hold a current DoD 8140 IAT Level II (or higher) certification, such as Security+ CE, CySA+, or CASP+.Microsoft 365 Certified: Administrator Expert (MS-102) * Microsoft 365 Certified: Endpoint Administrator Associate (MD-102) * Microsoft 365 Certified: Teams Administrator Associate (MS-700) * Microsoft Certified: Identity and Access Administrator Associate (SC-300) ## Related Videos - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [How to TDD in legacy code](https://www.wearedevelopers.com/videos/309-how-to-tdd-in-legacy-code) - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 164: AI Agents, AI Blindspots and MCP security problems](https://www.wearedevelopers.com/magazine/578-dev-digest-164-ai-agents-ai-blindspots-and-mcp-security-problems) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)