AD Support Engineer

Who We Are – MassMutual India

Since 1851, MassMutual’s commitment has always been to help people protect their families, support their communities, and help one another. Therefore, we want to inspire people to Live Mutual. We at MassMutual value diversity and inclusion. We’re people helping people

A career with us means you will work alongside exceptional people and be empowered to reach your professional and personal goals.  Our employees are the foundation of what makes MassMutual a strong, stable, and ethical business.  We seek and value unique and varied perspectives and experiences because we believe we are stronger when all voices are heard. We invite you to bring your bright, innovative ideas to MassMutual as we continue to help millions of Americans rely on each other.

Together, we’re stronger.

Job Description

Role Overview

We are looking for an experienced Active Directory & Entra Infrastructure Support Engineer to support and operate our on‑premises and cloud-based Active Directory environments, including Azure Entra ID and associated identity infrastructure. This role is heavily operational in nature, focused on BAU support, production stability, incident remediation, upgrades, and platform hygiene, while partnering with security, application, and infrastructure teams.

The engineer will play a key role in ensuring availability, security, and performance of identity services across the enterprise.

Key Responsibilities

Active Directory & Entra Operations

• Provide L2/L3 operational support for multiple on‑premises and cloud-based Active Directory environments
• Support and manage Azure Entra ID tenants, hybrid identity setups, and supporting components
• Perform daily operations including user, group, service account, and computer object management
• Implement and manage Delegation Models, Group Policies, and role-based access controls to meet business requirements
• Support directory integrations with enterprise and third‑party applications

Infrastructure Maintenance & Platform Health

• Own technology currency and upgrades for:• AD Domain Controllers
• Entra / Azure AD components
• Supporting identity infrastructure

• Perform patching, configuration changes, and infrastructure clean‑up
• Monitor directory health, replication, authentication flows, and system logs
• Conduct regular reviews and audits to ensure stability, compliance, and security posture
• Participate in Disaster Recovery drills, including AD and identity infrastructure restoration

Incident Management & Troubleshooting

• Act as a primary responder for identity‑related production incidents
• Troubleshoot and resolve issues impacting:• Authentication
• Authorization
• Directory replication
• Application integrations

• Work closely with application teams, vendors, and platform teams to drive incident resolution
• Support root cause analysis (RCA) and corrective action implementation
• Participate in on‑call rotation, including evenings and weekends, as per operational requirements

Documentation & Process Support

• Create and maintain operational runbooks, SOPs, and troubleshooting guides
• Document standard changes, fixes, and known issues
• Support audit requests and internal reviews related to identity platforms
• Continuously improve operational processes and stability

Required Qualifications

Education & Experience

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or equivalent experience
• 5+ years of hands‑on experience supporting:• Microsoft Active Directory
• Azure / Entra ID
• Microsoft server infrastructure

• Experience working in enterprise IAM or infrastructure operations teams
• Microsoft certifications (Active Directory, Azure, Identity) are a strong plus

Technical Skills

• Strong hands‑on knowledge of:• Active Directory architecture, design, and operations
• Azure Entra ID & hybrid identity concepts
• Domain Controllers, trust relationships, DNS, replication

• Experience with:• SSO and MFA integrations
• IAM concepts and access governance
• PowerShell scripting for automation and support

• Familiarity with:• Cloud platforms (Azure primarily; AWS exposure is a plus)
• Security standards (NIST, ISO 27001, PCI‑DSS)

• Strong troubleshooting skills using Microsoft diagnostic tools

Why Join Us?

We’ve been around since 1851. During our history, we’ve learned a few things about making sure our customers our top priority. In order to meet and exceed their expectations, we must have the best people providing the best thinking, products, and services. To accomplish this, we celebrate an inclusive, vibrant, and diverse culture that encourages growth, openness, and opportunities for everyone. A career with MassMutual, Great Place to Work® certified and India's Best Workplaces in BFSI 2023 - Top 50 organization means you will be part of a strong, stable, and ethical business with industry leading pay and benefits. And your voice will always be heard.

Does this sound like a great fit? Apply today!