Senior IT Admin (Azure, Microsoft 365 & Infrastructure)

Valenta Caribbean Limited; Bengaluru; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

Valenta Caribbean Limited is seeking a Senior IT Admin to lead internal IT operations and deliver enterprise-grade Microsoft cloud and security solutions. The role requires ownership of Microsoft Azure, Microsoft 365, identity management, and security across internal and client environments.

You will mentor junior admins, participate in architectural discussions, and drive improvements in IT processes, automation, and governance within a managed services setting.

Qualifications

• 5+ years of hands-on IT infrastructure experience with Microsoft technologies.
• Strong experience managing Microsoft 365 and Azure environments.
• Experience with Active Directory, DNS, DHCP, VPN, and networking.
• Identity & access management, endpoint security, and DR/backup planning experience.
• Experience working in Managed Services or client-facing settings.

Responsibilities

• Lead day-to-day internal IT operations ensuring high availability of critical systems.
• Own IT infrastructure, cloud services, endpoint management, and security operations.
• Mentor junior IT staff and drive continuous improvement in IT processes.
• Design, deploy and manage Microsoft Azure environments and services.
• Lead client implementations, migrations, and hybrid environments.

Skills

IT Infrastructure

Microsoft 365

Azure

Identity & Access

Security Administration

Client-facing

PowerShell

Documentation

Vendor Management

Job description

Bangalore North, India | Posted on 07/21/2026

We are looking for a highly motivated, technically strong, and proactive Senior IT Adminto lead and support the organization's internal IT operations while delivering enterprise-grade infrastructure, Microsoft cloud, and security solutions for both internal stakeholders and clients.

This role requires an individual with an ownership mindset who can independently manage Microsoft Azure, Microsoft 365, infrastructure operations, identity management, endpoint security, and client implementations. The successful candidate will also provide technical leadership, mentor junior team members, participate in architectural discussions, and drive continuous improvement across the IT environment.

Key Responsibilities

Internal IT Leadership

• Lead day-to-day internal IT operations and ensure high availability of business-critical systems.
  
• Take ownership of IT infrastructure, cloud services, endpoint management, and security operations.
  
• Provide technical guidance and mentorship to junior IT administrators and support engineers.
  
• Drive continuous improvement initiatives to enhance IT processes, security, and operational efficiency.
  
• Develop and maintain IT standards, policies, SOPs, and documentation.
  
• Ensure compliance with company security policies and industry best practices.
  
• Manage IT assets, licensing, hardware lifecycle, and software inventory.
  
• Coordinate with vendors, partners, and service providers.
  
• Design, deploy, and manage Microsoft Azure environments.
  
• Administer:
  
• Virtual Networks (VNets)
  
• Network Security Groups (NSGs)
  
• Configure VPN connectivity, networking, routing, and firewall rules.
  
• Monitor Azure performance, utilization, and cost optimization.
  
• Implement Azure security best practices.
  

Microsoft 365 Administration

Manage and support the complete Microsoft 365 ecosystem, including:

• Exchange Online
  
• Microsoft Teams
  
• SharePoint Online
  
• OneDrive for Business
  
• Microsoft Purview
  

Responsibilities include:

• User administration
  
• Mailbox management
  
• Shared mailboxes
  
• Teams administration
  
• OneDrive management
  
• License management
  
• Security configuration
  
• Compliance configuration
  

Infrastructure Administration

• Administer Active Directory.
  
• Configure DNS, DHCP, VPN, networking, and storage.
  
• Monitor server performance and infrastructure health.
  
• Manage backups and disaster recovery processes.
  
• Support virtualization platforms where required.
  

Client Infrastructure & Implementations

• Lead technical implementation projects for clients.
  
• Conduct technical discovery sessions.
  
• Participate in solution design and architecture discussions.
  
• Handle Microsoft 365 migrations and tenant-to-tenant migrations.
  
• Configure hybrid environments.
  
• Work closely with project managers and implementation teams.
  

Client Engagement

• Participate confidently in client meetings.
  
• Understand client business requirements.
  
• Provide technical recommendations and solution design.
  
• Conduct technical workshops and demonstrations.
  
• Resolve complex infrastructure issues independently.
  
• Build trusted relationships with client stakeholders.
  

Operations & Service Delivery

• Handle L2 and L3 escalations.
  
• Ensure SLA compliance.
  
• Perform root cause analysis.
  
• Monitor infrastructure health and alerts.
  
• Improve operational processes.
  
• Identify opportunities for automation.
  
• Develop PowerShell scripts where applicable.
  
• Improve operational efficiency through automation.
  
• Standardize deployment and operational procedures.
  
• Contribute to process optimization initiatives.
  

Required Skills & Experience

• 5+ years of hands-on experience in IT Infrastructure and Microsoft technologies.
  
• Strong experience with Microsoft 365 administration.
  
• Experience managing enterprise IT environments.
  
• Active Directory
  
• Windows Server
  
• DNS
  
• DHCP
  
• VPN
  
• Networking
  
• Identity & Access Management
  
• Experience with backup and disaster recovery.
  
• Strong troubleshooting and analytical skills.
  
• Ability to work independently and manage multiple priorities.
  
• Experience working in Managed Services or client-facing environments.
  

Preferred Qualifications

• Microsoft 365 Administrator Expert
  
• Microsoft Certified: Security, Compliance & Identity Fundamentals
  
• Microsoft Certified: Identity and Access Administrator
  
• ITIL Foundation Certification
  
• Experience with PowerShell scripting and automation.
  
• Experience with Microsoft Defender suite.
  
• Knowledge of cybersecurity frameworks and best practices.
  
• Familiarity with Azure DevOps or infrastructure automation is an advantage.
  

Personal Attributes

• Strong ownership mindset.
  
• Leadership qualities with the ability to mentor others.
  
• Highly accountable and dependable.
  
• Customer-focused approach.
  
• Excellent problem-solving skills.
  
• Ability to remain calm under pressure.
  
• Continuous learning mindset.
  
• Strong organizational and time management skills.
  
• Professional, confident, and client-focused communication.
  

The Senior IT Admin will be expected to:

• Lead internal IT operations with minimal supervision.
  
• Take complete ownership of assigned infrastructure and client environments.
  
• Drive operational excellence and continuous improvement.
  
• Ensure high availability, security, and compliance of IT systems.
  
• Lead technical discussions with internal and external stakeholders.
  
• Mentor junior team members and promote knowledge sharing.
  
• Deliver projects and operational tasks within agreed timelines.
  
• Maintain exceptional service quality and customer satisfaction.
  
• Proactively identify risks and recommend improvements.
  
• Act as a trusted technical advisor for both internal teams and clients.