**Job Description**

Job Summary:

We are  hiring a highly experienced and technically proficient Senior L2 Engineer to join our IT Infrastructure team in Bengaluru. This senior role is a cornerstone of our support structure, serving as the primary escalation point for complex technical issues and a mentor for our junior engineering staff. The ideal candidate will possess deep subject matter expertise in Windows Server and VMware environments. You will be responsible for advanced troubleshooting, resolving high-impact incidents, driving operational excellence through automation, and contributing to infrastructure projects.

Key Responsibilities

• Act as the final point of escalation for Tier 2 support, diagnosing and resolving complex, and often critical, issues related to Windows Server and VMware vSphere environments.

• Provide technical leadership and mentorship to L1 engineers, fostering skill development and ensuring adherence to best practices.

• Develop and refine advanced PowerShell and Ansible scripts to automate complex operational tasks, server deployments, and configuration management.

• Manage and maintain the health of Active Directory, including troubleshooting replication, implementing complex Group Policies (GPO), and ensuring security integrity.

• Take an active role in managing and troubleshooting enterprise security tools such as Tanium, CrowdStrike, and CyberArk in collaboration with the security team.

• Support and troubleshoot hybrid cloud environments, assisting in the integration and operational stability of on-premise and public cloud (Azure/AWS) services.

• Lead the technical execution of server migrations, platform upgrades, and other infrastructure-related projects.

• Develop and maintain comprehensive technical documentation, problem-resolution guides, and standard operating procedures (SOPs).

• Identify recurring problems and contribute to root cause analysis (RCA) to implement long-term solutions and improve system stability.

**Qualifications**

Qualifications and Skills:

• Bachelor’s degree in Information Technology, Computer Science, or a related field.

• 4 to 7 years of progressive, hands-on experience in a Windows and VMware enterprise environment.

• In-depth knowledge of Windows Server (2012 R2 - 2022) administration and advanced troubleshooting.

• Expert-level proficiency with VMware vSphere (6.x, 7.x, 8.x), including vCenter, ESXi, vSAN, and Distributed Switches.

• Proven ability to write, debug, and implement robust automation scripts using PowerShell. Experience with Ansible is a significant plus.

• Strong, practical experience with Active Directory, including multi-domain environments, GPOs, and security principles.

• Demonstrated experience with enterprise-grade server hardware (Dell/Cisco) and storage concepts (SAN/NAS, iSCSI/Fibre Channel).

• Proven ability to mentor junior team members and act as a technical lead on support issues.

• Excellent analytical and problem-solving skills, with the ability to perform effectively under pressure.

• Knowledge of ServiceNow

Good to Have:

• Professional certifications such as VMware Certified Professional (VCP-DCV), Microsoft Certified: Windows Server Hybrid Administrator Associate, or MCSE.

• Hands-on experience with public cloud platforms, particularly Microsoft Azure or AWS.

• Experience with software-defined networking (e.g., VMware NSX).

• Familiarity with containerization technologies like Docker or Kubernetes.

**Additional Information**

Please be aware that job-seekers may be at risk of targeting by scammers seeking personal data or money. Nielsen recruiters will only contact you through official job boards, LinkedIn, or email with a nielsen.com domain. Be cautious of any outreach claiming to be from Nielsen via other messaging platforms or personal email addresses. Always verify that email communications come from an @nielsen.com address. If you're unsure about the authenticity of a job offer or communication, please contact Nielsen directly through our official website or verified social media channels.