Microsoft Infrastructure & Cloud Engineer (L2/L3)

22by7 Solutions

Bengaluru

On-site

INR 900,000 - 1,500,000

Full time

7 days ago

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Job summary

22by7 Solutions in Bengaluru is seeking an experienced Microsoft Infrastructure & Cloud Engineer L2/L3 to provide administration, troubleshooting and operational support for a Microsoft infrastructure environment.

You will manage Windows Server, AD, Microsoft 365, Exchange Online, Entra ID/Azure AD Connect and Azure resources, act as escalation point, handle P1/P2 incidents, perform RCA, and implement approved changes.

Qualifications

5-8 years of hands-on Microsoft infrastructure experience.
Strong Active Directory and Windows Server administration experience.
Hands-on Microsoft 365 and Exchange Online experience.
Experience with Azure administration and hybrid AD/Entra environments.
Ability to troubleshoot complex Microsoft infra issues and handle L2/L3 escalations.

Responsibilities

Administer Microsoft 365 tenant services, Exchange Online mailboxes, and Entra ID users/groups.
Troubleshoot Exchange Online mail-flow and authentication issues.
Manage Azure resources, RBAC, and NSG configurations.
Monitor and optimize Azure networking, VMs, and cost.
Handle P1/P2 incidents, perform RCA, and implement changes.
Coordinate with OEMs and vendors for complex issues.
Support security posture including MFA/Conditional Access and Defender tools.

Skills

Windows Server

Active Directory

Group Policy

AD replication

DNS/DHCP

Microsoft 365 Admin

Exchange Online

Microsoft Entra ID/Azure AD

Azure AD Connect

Hybrid Identity

Azure VM

Azure RBAC

Azure NSG

Azure networking

MFA/Conditional Access

Microsoft Defender

PowerShell

L2/L3 troubleshooting

P1/P2 incidents

RCA

Change management

Intune

Defender for Endpoint

Defender for Office 365

Purview/DLP

Azure Monitor

Azure Backup

CrowdStrike

NinjaOne

Veeam

Networking basics

FortiGate exposure

Aruba/Extreme exposure

Job description

Role & responsibilities

We are looking for an experienced Microsoft Infrastructure & Cloud Engineer L2/L3 to provide administration, troubleshooting and operational support for a customer's Microsoft infrastructure environment.The candidate will be responsible for Windows Server, Active Directory, Microsoft 365, Exchange Online, Microsoft Entra ID/Azure AD Connect and Azure infrastructure, along with supporting Microsoft security and endpoint management activities.The engineer will act as an L2/L3 technical escalation point, independently troubleshoot complex infrastructure issues, support P1/P2 incidents, perform root-cause analysis and implement approved infrastructure changes.

The customer environment uses Microsoft 365 E3 with Microsoft Defender capabilities.

Microsoft 365 & Exchange Online

Administer Microsoft 365 tenant services.
Manage users, licenses, groups and administrative roles.
Administer Exchange Online mailboxes and distribution groups.
Troubleshoot Exchange Online and mail-flow issues.
Perform message tracing and email troubleshooting.
Troubleshoot Outlook/M365 authentication and connectivity issues.
Manage Microsoft Entra ID users and groups.
Support MFA and Conditional Access.
Support Microsoft 365 security and compliance activities.
Support access/RBAC reviews.
Assist with DLP-related activities where applicable.

Azure Cloud

Administer Azure Virtual Machines and Azure resources.
Provision, modify and decommission Azure resources.
Troubleshoot Azure VM availability, performance and connectivity.
Manage Azure RBAC and access permissions.
Configure and troubleshoot Azure Network Security Groups (NSG).
Support Azure networking, VNet and subnet-related troubleshooting.
Monitor Azure infrastructure health and resource utilization.
Support Azure monitoring and alerting.
Identify Azure resource rightsizing and cost-optimization opportunities.
Troubleshoot Azure infrastructure incidents.
Coordinate with Microsoft/OEM support for complex issues.

Windows Server

Administer Windows Server 2016/2019/2022 environments.
Perform server monitoring and health checks.
Troubleshoot Windows Server issues.
Perform OS patching and remediation.
Troubleshoot Windows services and Event Viewer issues.
Manage NTFS and file/share permissions.
Troubleshoot server performance issues.
Support legacy/EOL Windows Server systems.
Participate in server upgrades and migration activities.
Perform RCA for recurring server issues.

Microsoft Security & Endpoint

Support Microsoft Defender administration and troubleshooting.
Support endpoint compliance and Windows patching.
Investigate security alerts and coordinate with security teams.
Coordinate with CrowdStrike for EDR-related incidents.
Support MFA enforcement across Microsoft 365/Azure.
Support DLP monitoring where applicable.
Participate in vulnerability remediation.
Support critical security incident response and escalation.

Incident, Problem & Change Management

Handle L2/L3 infrastructure incidents.
Act as the escalation point for complex Microsoft issues.
Support P1/P2 incidents and major incident resolution.
Perform technical troubleshooting and root-cause analysis.
Implement approved changes.
Support emergency changes during critical incidents.
Maintain detailed incident and change documentation.
Coordinate with internal teams, OEMs and technology vendors.
Ensure SLA compliance.

Mandatory Technical SkillsMust Have

Strong Windows Server administration
Strong Active Directory administration
Group Policy (GPO)
AD replication and troubleshooting
DNS/DHCP fundamentals
Strong Microsoft 365 Administration
Strong Exchange Online
Strong Microsoft Entra ID / Azure AD
Strong Azure AD Connect / Microsoft Entra Connect
Hybrid Identity
Strong Azure VM administration
Strong Azure RBAC
Strong Azure NSG
Azure networking fundamentals
MFA / Conditional Access
Microsoft Defender
Windows Server patching
PowerShell
L2/L3 troubleshooting
P1/P2 incident handling
RCA and problem management
Change management

Good to Have

Microsoft Intune
Microsoft Defender for Endpoint
Microsoft Defender for Office 365
Microsoft Purview / DLP
Azure Monitor
Azure Backup
CrowdStrike
NinjaOne
Veeam
Basic networking knowledge - TCP/IP, DNS, DHCP, VPN
FortiGate exposure
Aruba/Extreme Networks exposure

Experience

5-8 years of hands-on experience in Microsoft infrastructure.
Strong production experience in Active Directory and Windows Server.
Strong hands-on experience with Microsoft 365 and Exchange Online.
Hands-on Azure administration experience.
Experience with hybrid AD/Entra environments.
Experience troubleshooting complex Microsoft infrastructure issues.
Experience working as an L2/L3 escalation engineer.
Experience handling P1/P2 incidents.
Managed Services experience is preferred.
Customer-facing experience is preferred.

Certifications – Preferred

AZ-104 – Microsoft Azure Administrator
MS-102 – Microsoft 365 Administrator
SC-300 – Microsoft Identity and Access Administrator
AZ-800 / AZ-801 – Windows Server Hybrid Infrastructure
SC-900 – Security, Compliance and Identity Fundamentals

Certifications are preferred, but strong hands-on production experience is more important.

Candidate Profile

The ideal candidate should be a hands-on Microsoft L2/L3 Infrastructure Engineer capable of independently handling complex production issues. The preferred skill combination is:Windows Server + Active Directory + Microsoft 365 + Exchange Online + Entra ID + Azure + Azure AD Connect + PowerShell + Microsoft SecurityThe candidate should be able to take an issue from:Incident Troubleshooting Resolution RCA Corrective Actionand should not be dependent on another team for routine L2/L3 Microsoft administration and troubleshooting.

Key Screening Criteria for Consultant

Please submit candidates only if they meet the following core requirements: