Senior IT Engineer - Active Directory Administrator

Overview

NiSource is seeking a highly skilled, Active Directory Administrator to lead the design, administration, security, and optimization of our enterprise Windows Server and Active Directory environment. This role will have significant responsibility for management and maintenance of Windows Server infrastructure, including Active Directory, Group Policy, DNS, DHCP, PKI, and VMware virtualization, as well as patch management, vulnerability remediation, and compliance—leveraging enterprise tools such as Qualys, Tanium, and BigFix.

Responsibilities

• Technical Support : Assist in the design, development, and implementation of solutions for assigned technical product and / or platform.
• Create appropriate unit, integration, and automated acceptance tests for features based on requirements.
• Develop products or platforms that fulfill requirements, are readable, maintainable, testable, and performant using common development lifecycle techniques.
• Create highly dependable products or platforms, accounting for monitoring, logging, metrics gathering, system health, and reporting. Identify, diagnose, and solve issues in a production setting.
• Code / configuration review and quality assurance : participate in reviews and ensure solutions meet quality standards and best practices.
• Solution development : develop and implement solutions that enhance the functionality and performance of assigned products or platforms.

Minimum Qualifications

Preferred Qualifications

Disclaimer

The preceding description is not designed to be a complete list of all duties and responsibilities required of the position.

Equal Employment Opportunity

NiSource is committed to providing equal employment opportunities in each of its companies to all employees and applicants for employment without regard to race, color, religion, national origin or ancestry, veteran status, disability, gender, age, marital status, sexual orientation, gender identity, sex (including pregnancy, lactation, childbirth or related medical conditions), genetic information, citizenship status, or any protected group status as defined by law. Each employee is expected to abide by this principle.

Work Authorization

Authorized to work in the United States without requiring sponsorship.

Workplace and Inclusion

Value inclusion within your day to day responsibilities by respecting others perspectives / convictions, engaging others opinions, creating a safe environment where people, ideas, and opinions are valued within your Team / Customers and external partners. Respect the unique lived experiences within your Team / Customers and external work partners by valuing different world views, challenges, and cultures that represents all walks of life and all backgrounds. Treat others with respect and consideration. Actively participate in creating and contributing to a positive work environment.

Salary Range

$110,200.00 - $165,300.00

Posting Dates

Posting Start Date 2025-09-08; Posting End Date 2025-09-29. The posting may close on the day before the end date.

Location

Columbus, OH

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