Assistant Manager - Enterprise IT

JioStar; Mumbai City; On-site; INR 900,000 - 1,500,000; Full time

Job summary

JioStar in Mumbai seeks an experienced L2 Windows Domain & Backup Engineer to manage enterprise Windows environments, AD, DNS, DHCP, and backup infrastructure. You will monitor, maintain, and improve disaster recovery readiness while enabling automation through scripting and AI tools.

The role covers security, vulnerability management, patching, and incident/change handling across multi-domain setups in hybrid environments with on-prem and cloud.

Qualifications

• Experience with Active Directory, DNS, DHCP, and RADIUS/NPS in large domains.
• Proficiency in enterprise backup tools (NetBackup, Veeam, Commvault).
• Scripting in PowerShell for automation; ISO 27001 security knowledge.

Responsibilities

• Administer and maintain Active Directory, DNS, DHCP, and Windows servers.
• Manage enterprise backups and perform restore tests and DR readiness.
• Identify vulnerabilities and implement server hardening and patch management.
• Handle L2/L3 incidents and support change management processes.

Skills

Active Directory

DNS

DHCP

RADIUS/NPS

Windows Server

PowerShell

Automation tools

Tools

NetBackup

Veeam

Commvault

WSUS

SCCM

Intune

BigFix

Job description

POSITION OVERVIEW

We require an experienced L2 Windows Domain & Backup Engineer to manage and maintain enterprise Windows environments along with backup and recovery infrastructure. The role includes Active Directory, DNS, DHCP, and core Windows services, along with enterprise backup administration, monitoring, and recovery operations. The engineer will also perform assessments, reporting, compliance activities, and enable automation using scripting/AI tools.

KEY RESPONSIBILITIES

Windows Infrastructure Management

• Administer Active Directory (Users, Groups, GPOs, OU structure)
• Maintain DNS, DHCP, and RADIUS (NPS) services
• Manage Windows Server environments (2016/2019/2022) including installation, configuration, and upgrades
• Ensure high availability and performance optimization of Windows infrastructure

Backup Administration

• Manage and monitor enterprise backup solutions (e.g., NetBackup, BackupExec, Veeam, Commvault, or similar)
• Perform backup scheduling, configuration, and policy management for servers, databases, and applications
• Ensure successful completion of daily backups and troubleshoot failed backup jobs
• Perform data restoration (file-level, VM-level, and application-level) as per business requirements
• Conduct regular backup validation and restoration drills to ensure recoverability
• Manage backup storage, retention policies, and archival processes
• Optimize backup performance and storage utilization
• Coordinate with application and infrastructure teams during backup and restore activities
• Ensure DR readiness by supporting disaster recovery drills and failover testing
• Maintain backup reports, logs, and documentation

Security & Vulnerability Management

• Perform Windows patch management (monthly/critical updates)
• Identify and remediate vulnerabilities using tools like Qualys/Nessus
• Ensure SLA-based closure of vulnerabilities
• Implement server hardening best practices
• Ensure backup data security, encryption, and access controls
• Ensure compliance with ISO 27001 and internal policies
• Prepare documentation for audits (including backup and recovery evidence)
• Track audit findings and remediation
• Maintain security and backup baselines

Incident & Change Management

• Handle L2/L3 incidents related to Windows infrastructure and backup systems
• Perform Root Cause Analysis (RCA) for failures (including backup failures)
• Support change management processes for infra and backup changes

REQUIRED QUALIFICATIONS

Technical Skills: Strong experience in Active Directory, DNS, DHCP, RADIUS/NPS; Windows Server (2016/2019/2022/2025); patch management tools (WSUS/SCCM/Intune/Bigfix)

Backup Tools: Experience in enterprise backup tools (NetBackup, Veeam, Commvault, etc.)

Security: Knowledge of ISO 27001 and security frameworks; experience with vulnerability tools (Qualys, Nessus)

Scripting: PowerShell scripting for automation

Certifications (Preferred): Microsoft certifications (MCSA, Azure Admin); certifications in backup technologies (Veeam/Commvault/NetBackup)

Environment: Experience in enterprise multi-domain environments; exposure to hybrid environments (on-prem + Azure/GCP); exposure to AI/automation tools

KEY SKILLS & COMPETENCIES

Communication: Strong documentation and reporting skills; effective communication and coordination with IT and business teams

Attention to Detail: High attention to detail in backup validation, security compliance, and audit readiness

Resilience: Ability to work in high-pressure production environments with SLA-bound deliverables

Problem-Solving: Root cause analysis; incident management; proactive vulnerability remediation