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Senior Active Directory Engineer Job in Columbus, Ohio US

Senior Active Directory Engineer


Posted: 2/13/2024 - Expires: 5/13/2024

Job ID: 269759583


Job Description

We are seeking a strong, hands-on Senior Active Directory Engineer (SME) to be a part of our Active Directory Services team, which supports the active directory infrastructure, both on-prem and cloud platforms. This is a virtual role.

Aon is in the business of better decisions.

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive, diverse team, and we are passionate about helping our colleagues and clients succeed.

What the day will look like

This is an individual contributor role who is heavily involved in solving technical and operational issues with the team.

Assist the Active Directory (AD) Services Architect in support of: Inter-Forest User Migrations, Account Management and Provisioning, and AD Infrastructure & Enterprise Solutions
Support all Active Directory services and management tools, automations, and backups.
Demonstrate strong analytical, troubleshooting, and problem-solving skills related to Application remediation.
Create and maintain system documentation for domain technologies, including installation, configuration, and appropriate troubleshooting steps.
Maintain a solid understanding of business issues and technical solutions encountered during the migration of single forest or multi-forest Active Directory environments.
Ability to manage multiple priorities, commitments, and projects and interact daily with System Administrators
Maintain a strong learning aptitude and ability to learn new technologies independently.
Excellent interpersonal skills and the ability to work in a team environment and interact with all levels of management as well as customers.
Identify opportunities to innovate, extend and enhance service delivery everywhere possible.

Skills and experience that will lead to success.
5+ years of experience in Active Directory migrations, design, and implementations
Solid experience working with large, complex Active Directory migrations for customers, prospects, or clients.
Advanced knowledge in AD architecture and infrastructure (LDAP, Directory Replication, group policy, security, schema changes, domain controllers' management)
Advanced knowledge of DNS, Kerberos, Windows Authentication and Single Sign On (SSO)
Advanced knowledge of Microsoft Identity Manager, Microsoft Azure AD, Office 365, Azure AD Connect, and Azure AD Conditional Access. Knowledge of Microsoft Certificate Services/PKI infrastructure
Advanced knowledge of Windows Server 2012, 2016, 2019, and 2022
Strong TCP/IP networking knowledge
Knowledge of identity life cycle onboarding and offboarding processes
Inter-Forest User Migrations: Strong understanding of AD Attributes, LDAP Queries, Sid History, PowerShell Scripting to Modify AD Attributes, Group Policy Analysis, GPO Preference Configuration, Workstation Configurations, and Browser Configuration Settings
Account Management and Provisioning: Strong knowledge of permissions that are granted natively to various Microsoft Built-In Groups to perform Active Directory Administrative Functions. Knowledge of native permissions granted when building AD objects. Knowledge of permissions granted natively to Built-In Groups via GPOs and/or Local Policies
Active Directory Infrastructure & Enterprise Solutions: Ability to read product documentation to conceptualize and implement solutions, build Domain Controllers and Member Servers to support Enterprise Solutions
Thorough functional understanding and ability to configure Active Directory Server Roles (CAs, IIS, File/Print, DNS)
Working knowledge of GPOs, AD Sites, Replication Topology, and native AD troubleshooting tools

The salary range for this position (intended for U.S. applicants) is $130,000 to $165,000 annually. The actual salary will vary based on applicant's education, experience, skills, and abilities, as well as internal equity and alignment with market data. The salary may also be adjusted based on applicant's geographic location.

How we support our colleagues

In addition to our comprehensive benefits package, we encourage a diverse workforce. Plus, our agile, inclusive environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two "Global Wellbeing Days" each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions, but we also recognize that flexibility goes beyond just the place of work... and we are all for it. We call this Smart Working!

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative, diverse workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status. Aon is committed to a diverse workforce and is an affirmative action employer. People with criminal histories are encouraged to apply.

We provide individuals with disabilities reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment in accordance with applicable law. Please contact us to request an accommodation on

Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time.



Aon provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, or domestic partner status. Aon is committed to a diverse workforce and is an affirmative action employer.

Job Summary

Employment Type:
Full Time Employee
Job type:
Federal Contractor
Skill Based Partner:
Education Level:
No school grade completed
Work Days:
Mon, Tue, Wed, Thu, Fri
Job Reference Code
Licenses / Certifications:
Display Recommended WorkKeys®Recommended WorkKeys®:
Applied Math: 6
Graphic Literacy: 6

Workplace Documentation: 5