Microsoft Windows Infrastructure (L3)

Talworx Solutions; Bengaluru; Hybrid; INR 1,600,000 - 2,300,000; Full time

Job summary

Talworx Solutions is seeking a seasoned SME for Microsoft Windows Infrastructure in Bengaluru. You will act as a technical authority for complex Windows OS issues, AD management, and virtualization, driving uptime and security across enterprise servers.

The role emphasizes mentoring Tier 1/2 staff, implementing automation, and partnering with security and network teams to maintain high availability and robust patching practices.

Qualifications

• 8+ years of hands-on experience managing enterprise Windows infrastructure.
• SME capacity with experience handling high-severity escalations.
• Strong knowledge of Windows Server and Active Directory, virtualization, and storage.

Responsibilities

• Act as the final escalation point for critical incidents involving Windows Server OS, AD, storage, and core services.
• Perform root cause analysis on recurring complex issues and performance bottlenecks.
• Lead disaster recovery planning, execution, and failover testing across multi-site environments.
• Manage Windows Server environments (2019–2022) and design HA solutions such as clustering and S2D.
• Develop automation and patching workflows using PowerShell; oversee MECM/SCCM patch management.
• Implement security hardening (CIS/STIG) and RBAC; collaborate with Security Operations.
• Mentor Tier 1/2 engineers and lead technical projects.

Tools

MECM/SCCM

Intune

SCOM

Opsramp

Splunk

VMware vSphere

Job description

Job Title: SME Microsoft Windows Infrastructure (L3)

Location: [Bengaluru, Karnataka]

Department: Managed Services

Position Overview

We are seeking a seasoned L3 Subject Matter Expert (SME) in Microsoft Windows Administration to assist with engineering, maintenance, and high-level escalation support for our enterprise Windows server infrastructure. In this role, you will act as a technical authority for complex Windows OS issues, Active Directory management, virtualization.

You will work closely with security and network teams to ensure 99.99% uptime, implement robust automation, drive security hardening, and mentor Tier 1 and Tier 2 support staff.

Key Responsibilities

Tier-3 Escalation & Deep Diagnostics

• Act as the final escalation point for critical (P1/P2) incidents involving Windows Server OS, Active Directory, storage, and core infrastructure services.
• Perform root cause analysis (RCA) on recurring complex issues, system crashes, kernel memory dump analysis, and performance bottlenecks.
• Lead disaster recovery (DR) planning, execution, and periodic failover testing across multi-site environments.

Server Infrastructure & High Availability

• Manage enterprise Windows Server environments (Windows Server 2019, 2022).
• Design, implement, and maintain Failover Clustering, Storage Spaces Direct (S2D), and VMware host environments.
• Optimize server performance, memory allocation, and storage performance across physical and virtualized VMware platforms.

Automation, Scripting & Patching

• Build and maintain advanced PowerShell scripts and automation workflows for routine maintenance, server provisioning, user management, and health checks.
• Oversee enterprise patch management strategies using MECM (SCCM), WSUS ensuring high patch compliance across server fleets.
• Establish standard server baselines, automated image deployments, and configuration management.

Security, Compliance & Hardening

• Implement standard security benchmarks (CIS, STIG) to harden Windows OS and Active Directory.
• Partner with the Security Operations team to remediate vulnerability scan findings, manage privileged access (PIM/PAM), and enforce RBAC principles.

Required Qualifications & Technical Skills

Experience

• 8+ years of hands-on experience managing complex, enterprise-scale Microsoft Windows infrastructure environments.
• Proven track record in an L3 / SME capacity, handling high-severity escalations and root- cause troubleshooting.

Technical Expertise

• Operating Systems: Windows Server 2012 R2 through Windows Server 2022 (Data Center / Standard editions).
• Core Network Services: In-depth knowledge of DNS, DHCP, WINS, IPAM, NTP, and Kerberos/NTLM authentication.
• Scripting: Advanced proficiency in PowerShell for administration, module development, and automated monitoring.
• Management Tools: MECM/SCCM, Intune, System Center Operations Manager (SCOM), or modern monitoring platforms (e.g., Opsramp, Splunk etc).
• Virtualization & Storage: VMware vSphere, SAN/NAS integration, and RAID configurations.

Soft Skills

• Strong analytical and problem-solving mindset under high-pressure scenarios.
• Excellent technical documentation skills (creating SOPs, RCA documents, and architectural diagrams).
• Demonstrated ability to mentor junior/intermediate engineers and lead technical projects.