Principal M365 & Active Directory Engineer

We're looking for aPrincipal M365 & Active Directory EngineerThis role is

Hybrid, Dublin, CA OfficeWe are seeking a highly skilled

M365 & Active Directory Engineer

with expertise in managing and optimizing Microsoft 365 environments, including

Exchange Online, Azure Active Directory (Entra), Graph API, and Power Apps . The ideal candidate will have strong proficiency in

Advanced PowerShell scripting

for automation and deep knowledge of Microsoft’s cloud and directory services. This role requires hands-on experience in managing and securing enterprise-level cloud solutions while ensuring efficient collaboration between various systems and applications.

In this role you will….

Manage, configure, and optimize

Microsoft 365 services , including

Exchange Online, Teams, SharePoint, OneDrive , and

Intune .

Monitor and troubleshoot issues with

Exchange Online

(mail flow, retention policies, security, compliance) and ensure uptime and availability.

Administer and support

Azure Active Directory (AAD/Entra) , including users, groups, conditional access, and hybrid identity integration with on-premises Active Directory.

Implement and enforce

Multi-Factor Authentication (MFA)

and security best practices across user accounts and devices.

Develop and manage integrations using the

Microsoft Graph API

for automation and custom applications, enabling advanced capabilities across Microsoft 365 services.

Create custom scripts to automate administrative tasks and data retrieval from the Graph API, enhancing operational efficiency.

Write and maintain

Advanced PowerShell scripts

to automate user and resource provisioning, reporting, and service configurations across

Exchange Online, Active Directory, and M365

Develop PowerShell-based automation for identity management, compliance reporting, and bulk modifications.

Manage and troubleshoot all aspects of

Exchange Online , including mailboxes, transport rules, hybrid configurations, and retention policies.

Administer email security, spam filtering (ATP), and ensure compliance with data retention policies.

Maintain and optimize

on-premises Active Directory (AD)

infrastructure, including DNS, GPOs, and domain controllers.

Ensure synchronization between

AD and Azure AD

using

Azure AD Connect

for hybrid identity solutions.

Develop, manage, and maintain

Power Apps

to streamline internal processes, build user-friendly interfaces for data retrieval, and automate workflows.

Collaborate with business units to understand requirements and translate them into

Power Apps solutions

or

Power Automate

Implement and maintain security best practices, including

Conditional Access policies , encryption, and data loss prevention (DLP) in Microsoft 365.

Support security and compliance audits by providing detailed reporting on identity access management, mail flow, and data access.

You’ve got what it takes if you have:

Extensive experience in managing Microsoft 365 services , with a focus on

Exchange Online

and

Azure Active Directory .

Advanced in PowerShell scripting

for automating M365, Exchange, and AD management tasks.

Experience with Microsoft Graph API

for data retrieval and automation across M365.

Expertise in managing

Azure AD/Entra , including

Conditional Access, MFA , and security best practices.

Strong understanding of

Active Directory , including

hybrid environments

and

Azure AD Connect .

Experience with

Power Apps

development and

Power Automate

for building workflows and process automation.

Strong problem-solving and troubleshooting skills, with the ability to identify root causes and develop scalable solutions.

Preferred Qualifications:

Microsoft certifications :

MCSA, MCSE, MS-500 (Microsoft 365 Security Administration)

or

AZ-104 (Azure Administrator) .

Skilled with

JSON, REST API integrations .

Experience with security tools such as

Microsoft Defender

for O365 and

Data Loss Prevention (DLP) , Crowdstrike, Forcepoint, etc

Our Culture:

Spark Greatness. Shatter Boundaries. Share Success. Are you ready? Because here, right now – is where the future of work is happening. Where curious disruptors and change innovators like you are helping communities and customers enable everyone – anywhere – to learn, grow and advance. To be better tomorrow than they are today.

Who We Are:

Cornerstone powers the potential of organizations and their people to thrive in a changing world. Cornerstone Galaxy, the complete AI-powered workforce agility platform, meets organizations where they are. With Galaxy, organizations can identify skills gaps and development opportunities, retain and engage top talent, and provide multimodal learning experiences to meet the diverse needs of the modern workforce. More than 7,000 organizations and 100 million+ users in 180+ countries and in nearly 50 languages use Cornerstone Galaxy to build high-performing, future-ready organizations and people today.

Total Rewards:

At Cornerstone, we are dedicated to inspiring excellence and pushing boundaries in everything we do. Our compensation strategy is based on three fundamental principles: equitable pay, market-driven research, and skill-based appraisals. As part of our mission to share success and empower individuals to thrive in an ever-changing world, the listed salary range is just one element of Cornerstone’s comprehensive compensation package. This compensation package may also include annual bonuses, short- and program-specific awards depending on the role, and a comprehensive benefit offering. The disclosed salary range reflects the geographic differential based on the location of the position if applicable. The starting salary for the successful applicant will depend on several job-related factors, including education, training, experience, certifications, location, business needs, and market demands. This range is based on a full-time position and may be adjusted in the future. Join us in shaping the future of work — tomorrow, together. Experience flexibility and empowerment in your career at Cornerstone. The salary range for this position is: 120500 - 180000 USD.

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Equal Employment Opportunity has been, and will continue to be, a fundamental commitment at Cornerstone OnDemand. All qualified applicants are given consideration regardless of race, religion, color, gender, sex, age, sexual orientation, gender identity, national origin, marital status, citizenship status, disability, veteran status, or any other protected class as provided in applicable Federal, State, or Local fair employment laws. If you have a disability or special need that requires accommodation, please contact us at careers@csod.com.

Read the EEO is the Law poster here, and the supplementary poster here.

Read the Pay Transparency Nondiscrimination Provision poster here.

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