> Markdown version of [/jobs/ext/3668496-senior-m365-exchange-engineer](https://www.wearedevelopers.com/jobs/ext/3668496-senior-m365-exchange-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). --- # Senior M365 & Exchange Engineer - **Company:** Inc. (spa) - **Location:** Alexandria, VA, United States - **Experience:** Expert - **Salary:** $140,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Audit Trail, User Authentication, Microsoft Online Services, Software as a Service, Cloud Computing Security, Collaborative Software, Data Security, Multi-Factor Authentication, Monitoring of Systems, Identity and Access Management, Microsoft Office, Microsoft Software, OAuth, Windows PowerShell, Role-Based Access Control, Azure Active Directory, Zero Trust Network Access, Microsoft SharePoint, Azure Automation, Scripting, Enterprise Software Applications, System Availability, Multi-Cloud, Azure Powershell, Microsoft InTune, Information Technology, Enterprise Integration, Graphql - **Published:** October 10, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9230546/senior-m365-exchange-engineer ## About the Role The ideal candidate will have hands-on experience with Microsoft 365 administration, identity and access management, Exchange Online, and hybrid identity integrations, along with strong knowledge of governance, security, and compliance best practices., * Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent experience., * 8+ years of system administration experience with Microsoft technologies. * 5+ years administering Microsoft 365, Exchange Online, and Azure AD. * Experience with hybrid identity, authentication services, and cloud security. Technical Skills: * Strong expertise in Exchange Online, Azure AD, and Microsoft 365 administration. * Hands-on experience with identity governance, conditional access, MFA/SSO, and app registration. * Strong scripting skills using PowerShell, Azure CLI, or Graph API. Soft Skills: * Strong troubleshooting and analytical skills. * Excellent communication and cross-functional collaboration abilities. * Ability to document technical solutions, governance, and best practices. Preferred Qualifications * Knowledge of NIST SP 800-53, NIST SP 800-171, CMMC, FedRAMP, or similar cybersecurity frameworks. * Experience supporting Microsoft 365 GCC, GCC High, or other regulated environments. * Familiarity with Microsoft Purview, Intune, Defender, and Zero Trust architectures. * Experience with Exchange hybrid deployments and Entra Connect. * Experience with automation tools, identity lifecycle workflows, or multi-cloud identity. * Relevant Microsoft certifications, such as, * Strong analytical and problem-solving skills. * Ability to manage multiple priorities in a fast-paced environment. * Commitment to operational excellence and continuous improvement. * Collaborative approach with both technical and non-technical stakeholders. * Focus on delivering secure, reliable, and scalable services that enable the mission and enhance the user experience. ## Description We seek an experienced Senior M365 & Exchange Engineer with deep expertise in Microsoft 365 services, Exchange Online, Azure Active Directory, and enterprise identity governance. This role focuses on designing, deploying, and managing modern cloud-based productivity, messaging, and identity platforms while ensuring security, stability, and operational excellence across the Microsoft 365 ecosystem., * Work in a dynamic, cloud-forward environment, modernizing enterprise identity, email, and collaboration platforms. * Lead initiatives across Microsoft 365 security, automation, and platform governance. * Gain hands-on experience with enterprise-scale identity systems, cloud security controls, and Zero Trust implementation. SPA has an immediate need for an On-site/Hybrid/Remote Senior M365 & Exchange Engineer. Responsibilities * Microsoft 365 & Exchange Online Administration * Design, deploy, and manage Exchange Online environments to ensure secure, reliable, and efficient messaging services. * Administer mail flow, connectors, transport rules, distribution groups, shared mailboxes, resource accounts, auditing configurations, and retention policies. * Maintain and optimize Exchange Online Protection (EOP) and Defender for Office 365 to manage threats, filter spam, and ensure message hygiene. * Perform advanced troubleshooting for email delivery, hybrid mail flow, secure mail routing, and service health issues. * Support migrations, tenant integrations, and lifecycle-management activities. Identity & Access Management * Administer Azure Active Directory (Azure AD) / Entra ID, including users, groups, roles, conditional access, and identity governance. * Manage authentication and access controls, including Conditional Access, MFA, SSO, and passwordless capabilities. * Support hybrid identity solutions such as Azure AD Connect / Entra Connect, federation services, pass-through authentication, MFA/SSO integrations, and synchronization technologies. * Implement and enforce RBAC, least privilege, privileged identity management (PIM), and identity security best practices. * Manage enterprise application integrations, app registrations, service principals, OAuth permissions, and SaaS identity lifecycle. Microsoft 365 Platform Administration * Manage and support Office 365 services, including SharePoint Online, OneDrive for Business, Microsoft Teams, and compliance tools. * Apply and maintain governance models, including DLP policies, retention policies, information protection labels, and data security controls. * Monitor and improve tenant posture using Microsoft Secure Score, audit logs, and compliance center insights. * Support cross-platform integrations across Microsoft 365 workloads to ensure a consistent, secure user experience. Security, Compliance & Governance * Ensure compliance with frameworks such as , NIST SP 800-171, CMMC, and ISO 27001 as they apply to Microsoft 365 and identity environments. * Support Microsoft Purview, retention policies, information protection labels, and data protection initiatives. * Implement cloud security hardening, conditional access baselines, authentication protections, and auditing policies. * Contribute to security assessments, audits, incident response processes, and remediation activities. Monitoring, Troubleshooting & Optimization * Monitor service health and performance across Microsoft 365 and Azure AD using built-in and enterprise monitoring tools. * Conduct root cause analysis for identity, messaging, and authentication issues impacting user experience and system availability. * Develop automation and alerting using PowerShell, Microsoft Graph API, or Azure automation tools to enhance operational efficiency. Collaboration, Support & Documentation * Partner with infrastructure, endpoint, networking, cybersecurity, and application teams to deliver integrated solutions. * Provide Tier III support and mentor junior administrators and support personnel. * Engage with vendors and managed service providers to resolve issues and implement enhancements. * Document configurations, operational procedures, governance policies, and architectural decisions for knowledge sharing.