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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer Unified Comms - 90181784 - Washington - **Company:** Amtrak - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $113,200.0 - $146,664.0 - **Contract:** Contract - **Skills:** Microsoft Access, Microsoft Windows, Active Directory, Microsoft Antivirus, Systems Engineering, Microsoft Azure, Microsoft Online Services, Cloud Computing, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Microsoft Exchange Server, Identity and Access Management, Simple Mail Transfer Protocols, Enterprise Messaging Systems, Microsoft Office, Windows PowerShell, Systems Development Life Cycle, Azure Active Directory, Microsoft SharePoint, Microsoft InTune, Sender Policy Framework (SPF), Api Management - **Published:** September 15, 2026 - **Apply:** https://careers.amtrak.com/talentcommunity/apply/1429720100/?locale=en_US ## About the Role * Bachelor's Degree or equivalent combination of education, training and/or relevant experience. * 7 years of relevant work experience. * Experience administering Microsoft Exchange Online or hybrid Exchange environments. * Experience with Microsoft Teams and Microsoft Entra ID 9Azure AD) * Experience troubleshooting enterprise-scale Microsoft 365 services. * Experience developing PowerShell automation solutions., * Bachelor's Degree or equivalent combination of education, training and/or relevant experience. * 9 years of relevant work experience. * Experience supporting large enterprise Microsoft 365 environments. * Experience with Microsoft Graph API integrations and automation. * Experience with Microsoft Teams, SharePoint Online, Intune, and Microsoft Defender technologies. * Experience supporting identity and access management solutions utilizing Microsoft Entra ID. * Microsoft certifications such as: + Microsoft 365 Certified: Messaging Administrator Associate + Microsoft 365 Certified: Enterprise Administrator Expert + Microsoft Certified: Identity and Access Administrator Associate + Azure Administrator Associate Knowledge, Skills, and Abilities * Expert knowledge of Exchange Online administration and architecture. * Strong understanding of Microsoft 365 tenant management. * Advanced PowerShell scripting and automation skills. * Advanced knowledge of email security technologies including SPF, DKIM, DMARC, and Microsoft Defender for Office 365. * Knowledge of Active Directory, Microsoft Entra ID, identity synchronization, and hybrid identity solutions. * Ability to work effectively under deadlines and in a flexible environment * Educating project team members on business unit goals and guiding junior resources * Excellent troubleshooting skills ## Description The Senior Systems Engineer serves as a technical leader within the Digital Employee Experience (DEX) Sustained Engineering team, responsible for the design, administration, support, automation, and continuous improvement of enterprise collaboration and productivity platforms. This role provides advanced engineering expertise across Microsoft 365 technologies including Exchange Online, Microsoft Entra ID (Azure AD), Teams, SharePoint Online, and related cloud services. The position acts as a Tier 3 escalation resource, leading complex technical initiatives, resolving critical service issues, driving automation efforts, and ensuring platform stability, security, and performance. The engineer collaborates closely with business stakeholders, infrastructure teams, cybersecurity, and application owners to deliver scalable solutions aligned with enterprise architecture and strategic technology goals., * Lead the engineering, administration, and support of Microsoft 365 collaboration and messaging platforms, with a primary focus on Exchange Online. * Serve as the highest technical escalation point for complex incidents, service requests, and platform-related issues. * Design, implement, and support enterprise messaging solutions including: + Exchange Online + Shared Mailboxes + Distribution Groups + Mail Flow and Transport Rules + SMTP Relay + Email Security and Compliance + Hybrid Messaging Environments * Administer Microsoft Entra ID (Azure AD) identity services and integrate cloud-based authentication technologies. * Develop and maintain PowerShell automation and Microsoft Graph-based solutions to improve operational efficiency and reduce manual effort. * Monitor platform health, capacity, performance metrics, and service availability. * Lead systems development with a focus on clear requirements, documented methodology, and robust testing. * Consult with various stakeholders during development planning, taking the lead on technical issues. * Ensure alignment with industry and company standards, adheres to quality procedures, and provides ongoing maintenance and oversight. ## Related Videos - [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) - [Developer Tools for Microsoft Azure](https://www.wearedevelopers.com/videos/450-developer-tools-for-microsoft-azure) - [From APIs to MCP: Enterprise Governance, Registry, and Controls](https://www.wearedevelopers.com/videos/100336-from-apis-to-mcp-enterprise-governance-registry-and-controls) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Say goodbye to building boring APIs with Azure Data API Builder](https://www.wearedevelopers.com/videos/1194-say-goodbye-to-building-boring-apis-with-azure-data-api-builder) ## 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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025)