> Markdown version of [/jobs/ext/2604607-senior-email-architect-and-administrator](https://www.wearedevelopers.com/jobs/ext/2604607-senior-email-architect-and-administrator). 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 Email Architect and Administrator - **Company:** Applied Information Sciences, Inc. - **Location:** United States - **Experience:** Expert - **Salary:** $121,000.0 - $182,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, User Authentication, Backup Devices, Disaster Recovery, Domain Name System (DNS), Microsoft Exchange Server, IP Addressing, Subnetting, Windows Servers, Performance Tuning, Windows PowerShell, TCP/IP, Virtual Local Area Networks, Cloud Platform System, System Availability - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9112015/senior-email-architect-and-administrator ## About the Role * 6-8+ years recent experience as a senior Microsoft Exchange architect (min: Exchange Server SE, Exchange Online). * Active Public Trust Clearance (or higher). * Hands-on lead architect experience migrating hybrid/on-prem Exchange to Exchange Online; designing, implementing, and administering Exchange in hybrid and cloud environments. * Demonstrated experience as primary technical SME for Exchange/Exchange Online security design, implementation, testing, and documentation. * 5+ years recent experience as a senior Exchange administrator (min: Exchange 2013, Exchange Online). * Expert-level administration, configuration, tuning, and troubleshooting of Exchange / Exchange Online. * Experience securing/hardening Exchange; backup and recovery; disaster recovery and high availability. * Proficiency with Windows Server administration (2016+) and PowerShell scripting. * Knowledge of Exchange AD attributes, Active Directory, and networking (IP addressing, subnetting, TCP/IP, VLANs, DNS). Nice to Have Skills * Experience working in regulated government environments. ## Description At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Lead Infrastructure Engineer. * Core Knowledge & Skills: Aligns infrastructure strategy to business goals, leads large projects, applies compliance frameworks, designs high availability/disaster recovery and performance optimization patterns, and shapes deployment pipeline design. * Work & Complexity: Directs cross-team programs, performs advanced tuning, implements high availability/failover architectures, leads audits, plans growth, and manages budgets. * Quality & Independence: Delivers high-quality outcomes, sets team standards, introduces innovative solutions, and makes high-impact decisions. * Teamwork & Communication: Leads the engineering team, develops talent, resolves conflicts, and communicates effectively with senior leadership and stakeholders. * Consulting & Engagement: Provides high-level consulting to leadership, builds roadmaps, negotiates vendor contracts, and sponsors innovation initiatives., * Lead Exchange and Exchange Online architecture and administration - Design, implement, configure, maintain, and troubleshoot Microsoft Exchange Server and Exchange Online environments, ensuring reliable, secure, and highly available messaging services. * Lead the migration from on-premises/hybrid Exchange to Exchange Online - Develop and execute migration strategies, including assessment, planning, coexistence, mailbox migration, cutover activities, validation, and post-migration optimization. * Serve as the technical SME for email security - Design, implement, test, document, and maintain security controls for Exchange and Exchange Online, including hardening, access controls, mail flow security, and protection against email-based threats. * Manage Exchange high availability, backup, and disaster recovery - Develop and maintain solutions for Exchange availability, backup, recovery, business continuity, and disaster recovery; participate in recovery testing and ensure messaging services meet organizational resiliency requirements. * Optimize and troubleshoot messaging infrastructure - Monitor Exchange and Exchange Online performance, identify and resolve complex messaging, mail flow, connectivity, authentication, and configuration issues, and implement tuning and optimization strategies. * Administer supporting Windows and Active Directory infrastructure - Manage and troubleshoot Windows Server and Active Directory components supporting Exchange, including Exchange-related AD attributes, DNS, TCP/IP, VLANs, subnetting, and other network dependencies. * Develop PowerShell automation and operational tooling - Create and maintain PowerShell scripts to automate Exchange administration, mailbox management, reporting, configuration, security controls, monitoring, and migration activities. * Document and standardize email infrastructure operations - Develop and maintain architecture documentation, configuration standards, security procedures, migration plans, operational procedures, and technical documentation to support ongoing administration and the transition to a cloud-based messaging environment. ## Related Videos - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [The Sound of Privacy – What Your Spotify Data Reveals About You](https://www.wearedevelopers.com/videos/100346-the-sound-of-privacy-what-your-spotify-data-reveals-about-you) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Hacking MSSQL on Cloud. 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