O365/Windows Admin Lead

O365/Windows Admin Lead Image

Skill Set :

Office 365

Total Experience :

10.00 to 15.00 Years

No of Openings :

1

Job Post Date :

29/04/2026

Job Expiry Date :

29/05/2026

Domain :

IT

Location :

LANSING [United States]

Job Reference No :

4065835 Job Summary O365/Windows Admin Lead Lansing, MI

Position Summary:

The O365/Windows Admin Lead will be responsible for managing and maintaining the organization's Virtualization, Windows & Microsoft 365 environment, ensuring optimal performance, security, and user experience. This role is responsible for designing, implementing, maintaining, and optimizing Windows servers, Active Directory, and related infrastructure components to ensure high availability, security, and performance. The SME will also provide guidance and mentorship to the IT operations team and lead strategic initiatives related to Windows and virtualization technologies, including Nutanix.

Key Responsibilities:

Lead the administration and support of the Microsoft 365 environment, including Exchange Online, SharePoint Online, Teams, OneDrive, and related services. Manage user accounts, licenses, permissions, and security groups within Azure Active Directory. Oversee O365 configuration, updates, and integrations with other enterprise systems. Implement and maintain security policies, compliance settings, and data loss prevention (DLP) measures. Monitor system performance, troubleshoot issues, and ensure high availability and reliability. Develop and maintain documentation for configurations, processes, and procedures. Coordinate with IT security and network teams to ensure alignment with organizational standards. Lead and mentor junior administrators, providing guidance and training as needed. Manage O365 projects, including migrations, upgrades, and new feature rollouts. Stay current with Microsoft 365 updates, new features, and industry best practices. Provide end-user support and training to enhance adoption and productivity. Design, deploy, and manage Windows Server environments (on-premises and cloud-based). Administer and maintain Active Directory, Group Policy, DNS, DHCP, and other core Windows services. Ensure system security through patch management, vulnerability assessments, and compliance with organizational standards. Troubleshoot complex Windows infrastructure issues and provide root cause analysis. Lead migration and upgrade projects (e.g., Windows Server versions, Active Directory restructuring, hybrid cloud integration). Manage and optimize virtualization environments, including Nutanix AHV, VMware, and Hyper-V. Collaborate with network, storage, and application teams to ensure seamless integration and performance. Develop and maintain documentation, standard operating procedures, and best practices. Provide technical mentorship and training to junior administrators and support staff. Evaluate emerging technologies and recommend improvements or new solutions to enhance system reliability and efficiency. Support disaster recovery planning and execution for Windows-based and virtualized systems.

Qualifications and Experience:

Bachelor's degree in computer science, Information Technology, or a related field. 5+ years of experience in Microsoft 365 administration, with at least 2 years in a lead or senior role. Strong knowledge of Exchange Online, SharePoint Online, Teams, OneDrive, and Azure Active Directory. 8+ years of experience in Windows Server administration and infrastructure management. Deep expertise in Active Directory, Group Policy, PowerShell scripting, and Windows security. Hands-on experience with Nutanix virtualization platforms (AHV, Prism, Acropolis), including deployment, configuration, and management. Experience with other virtualization technologies such as VMware and Hyper-V. Strong understanding of networking fundamentals and integration with Windows environments. Experience with PowerShell scripting and automation. Familiarity with Microsoft 365 security and compliance features. Excellent troubleshooting and problem-solving skills. Strong communication and leadership abilities. Microsoft certifications (e.g., MS-100, MS-101, or equivalent) preferred.

Key Competencies:

Leadership and team management Technical expertise in Microsoft 365 ecosystem Analytical and problem-solving skills Strong organizational and documentation abilities Customer Service Orientation Continuous learning and adaptability The pay range for this role is 110,000 - $120,000• per annum including any bonuses or variable pay. Tech Mahindra also offers benefits like medical, vision, dental, life, disability insurance and paid time off (including holidays, parental leave, and sick leave, as required by law). Ask our recruiters for more details on our Benefits package. The exact offer terms will depend on the skill level, educational qualifications, experience and location of the candidate. Tech Mahindra is an Equal Employment Opportunity employer. We promote and support a diverse workforce at all levels of the company. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex, age, national origin or disability. All applicants will be evaluated solely on the basis of their ability, competence, and performance of the essential functions of their positions with or without reasonable accommodations. Reasonable accommodations also are available in the hiring process for applicants with disabilities. Candidates can request a reasonable accommodation by contacting the company ADA Coordinator at ADA_Accomodations@TechMahindra.com."