Senior Microsoft Exchange Infrastructure Services and Management Engineer

Job Description

The Senior Engineer is responsible for the design, administration, support, and

continuous improvement of the organization’s Microsoft 365 messaging and

collaboration environment. This includes Exchange Online, OneDrive, OneNote, and

related Microsoft 365 services, as well as licensing and identity integration.

This role serves as a senior technical resource and escalation point,

responsible for resolving complex issues, leading migrations and system

enhancements, and driving innovation through automation and emerging

technologies such as AI. The Senior Engineer provides technical expertise and

support of Enterprise Infrastructure systems distributed across several data

centers. Participates in short and long range technical and architectural

planning. Guides all technical activities for infrastructure systems to ensure

high reliability, efficiency, and cost effectiveness.

Job Responsibility

* Engineer, administer, and support Microsoft 365 messaging and collaboration

platforms, including Exchange Online, hybrid Exchange, OneDrive, OneNote, and

Microsoft 365 Groups.

* Manage Microsoft 365 licensing, identity integration with Microsoft Entra ID,

and related access management to ensure secure and efficient user

provisioning.

* Design, maintain, and optimize messaging infrastructure through platform

upgrades, automation, PowerShell scripting, policy management, and

operational improvements.

* Lead and support enterprise initiatives including email migrations,

tenant-to-tenant transitions, organizational acquisitions, and Microsoft 365

modernization projects.

* Configure and maintain secure mail flow, messaging security, compliance, and

governance using industry best practices and Microsoft 365 security

capabilities.

* Provide advanced Tier 3/4 technical support for complex messaging and

collaboration issues, proactively monitor platform health, and ensure service

reliability.

* Drive innovation through automation, AI-enabled Microsoft 365 technologies,

process improvements, and continuous service optimization.

* Collaborate with cross-functional infrastructure, security, networking,

identity, and endpoint teams to design, implement, and support enterprise

solutions.

* Develop technical documentation, establish operational standards and best

practices, and provide technical leadership, mentoring, and knowledge sharing

across the organization.

* Guides the infrastructure system analysis, definition, verification, and

validation to ensure the evolving systems meet the requirements for the

organization, including weekly review and monitoring of capacity and

performance reports.

* Attends architectural review board meetings to ensure standards and the

appropriate technical solutions are implemented.

* Manages ticket queues to ensure tasks are completed in a timely manner,

ensuring Service Level Agreements are met.

* Performs related duties as required. All responsibilities noted here are

considered essential functions of the job under the Americans with

Disabilities Act. Duties not mentioned here, but considered related are not

essential functions.

Job Qualification

* Bachelor's Degree required, or equivalent combination of education and

related experience.

* Minimum 5 years of relevant experience, required.

Highly Preferred Skills

* Deep experience with Microsoft Exchange (on-premises and Exchange Online).

* Strong knowledge of Microsoft 365 services, including OneDrive and OneNote.

* Advanced PowerShell scripting and automation skills.

* Experience with mail flow management, transport rules, and messaging

security.

* Strong understanding of DNS and email authentication (MX, SPF, DKIM, PTR).

* Experience with Microsoft 365 licensing and group-based licensing models.

* Familiarity with Active Directory and Entra ID (Azure AD).

* Experience with migration tools (e.g., BitTitan, Quest/Dell) and large-scale

migrations.

* Knowledge of compliance, retention, and data governance within Microsoft

365.

* Strong troubleshooting and root cause analysis skills in complex enterprise

environments.

* Ability to manage multiple priorities in a fast-paced, high-availability

environment.

* Experience with monitoring tools and proactive system management.

* Strong communication and collaboration skills across technical and business

teams

* Proven ability to lead initiatives and work independently

* Ability to work effectively with vendors and cross-functional stakeholders

* Proactive, solutions-oriented mindset with strong problem-solving abilities

*Additional Salary Detail

The salary range and/or hourly rate listed is a good faith determination of

potential base compensation that may be offered to a successful applicant for

this position at the time of this job advertisement and may be modified in the

future. When determining a team member's base salary and/or rate, several

factors may be considered as applicable (e.g., location, specialty, service

line, years of relevant experience, education, credentials, negotiated

contracts, budget and internal equity).