Lennox Systems Administrator (Active Directory & Messaging) in Chennai, Indiana

Company Profile

Lennox International (LII) is a leading global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets.

Beginning over a century ago, Lennox International has built a strong heritage of Innovation and Responsibility. Our position as an innovation leader continually inspires us to promote more efficient energy use and a healthier environment through our product operations. Our engaged and diverse workforce is committed to providing climate control solutions that provide the most value and comfort for our customers.

We are proud to have instilled a shared sense of responsibility and commitment among our approximately 10,000 employees located throughout North America, South America, Europe, Asia, and Australia.

Job Description

  • Responsible for handling BAU activities for Active Directory, Exchange and Office 365.

  • Responsible for performing daily health checks and take actions based on health check reports.

  • Coordinate with L3 and Involve in various ongoing projects related activities in AD, Exchange and Office 365.

  • Responsible for Patching and Performing Post Verification Tests (PVT) after Security Patching.

  • Responsible for generating AD, Exchange and Office 365 Reports based on requests.

  • Should have good troubleshooting skills to resolve any critical issues with priority.

  • Should work on Incidents, Problems Tickets and Change Requests related to Active Directory, Exchange and Office 365.


  • Strong Working knowledge in AD, Exchange

  • Good knowledge in Exchange Online (O365)

  • Experience in Administration and Management of Exchange 2010,2013 servers

  • Good understanding and troubleshooting skills on Mail flow architecture in Exchange 2010,2013.

  • Good Understanding of Exchange Online and Exchange Online Protection.

  • MCITP Certification

  • Should be open to work in rotational shifts.

  • Experience in Windows and VmWare is a nice to have

Requisition # 2019-17416

Category Information Technology

Shift / Hours Regular

Lennox International is an Equal Opportunity Employer and supports a diverse, inclusive work environment.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, transgender status, sexual orientation, national origin, genetics, disability, age, or veteran status.

Applicants with Disabilities

If you are an individual with a disability or a disabled veteran who is unable to use our online tools to search and apply for jobs, you may request a reasonable accommodation by contacting us at Recruitment@Lennoxintl.com

E-Verify Participation

For jobs located within the United States, LII participates in the Electronic Employment Verification Program known as E-Verify.

Please visit the E-Verify website for more information on this program.