Sr. System Administrator - L2 & L3 Support (Entra ID/Intune)

Company Description

SalezShark is a cutting-edge Customer Intelligence platform that enables Sales professionals and Marketers to gather actionable Customer Insights and increase their Sales. Founded in 2015, SalezShark is headquartered in Virginia, United States of America with a development center in India. The platform aims at nurturing connections to strengthen business relationships, offering innovative sales and marketing automation features for businesses of all sizes.

We are seeking a proactive and client-focused Sr. System Administrator to join our global technology team. This role requires not only strong expertise in Microsoft technologies, Entra ID (Azure AD), Intune, security, and migrations, but also excellent communication and client-handling skills to ensure a seamless IT experience for internal teams and external stakeholders. The ideal candidate will combine technical depth with a service-oriented mindset, ensuring IT operations run smoothly while building strong relationships with business users and clients across geographies.

Key Responsibilities –

Microsoft Ecosystem & Security

• Implement, operate, and maintain Entra ID (Azure Active Directory) and Intune.
• Configure and support Azure Single Sign-On integrations.
• Collaborate with the Security team to manage Microsoft Security Stack and enterprise-wide security protocols.
• Manage patch updates, compliance, preventative maintenance, and optimization.

Migrations & Infrastructure

• Lead and execute Windows, email, and cloud migrations.
• Design, implement, and support enterprise infrastructure solutions.
• Manage upgrades, performance optimization, and capacity planning.

Helpdesk & Global IT Support

• Provide L2 & L3 support across systems, networks, and databases.
• Lead helpdesk operations, ensuring issues are resolved promptly with minimal disruption.
• Act as a trusted IT partner for teams and clients, delivering clear, professional, and timely communication.
• Handle day-to-day IT queries for globally distributed users with a strong customer-service approach.

Operations & Continuous Improvements

• Conduct system monitoring, reporting & auditing.
• Identify, assess, and implement service cost improvements while maintaining risk and performance standards.
• Integrate automation to streamline IT processes and enhance efficiency.
• Apply IT operations best practices, ensuring user satisfaction and reliability.
• Develop automation scripts (PowerShell, Graph API, Power Automate) for provisioning, reporting, and lifecycle management.
• Implement monitoring and alerting for proactive issue resolution.
• Create playbooks and documentation for Ops and Support teams.

Design, Deploy & Manage Teams Environment

• Lead the architecture, configuration, and deployment of Microsoft Teams (including Teams Rooms, Teams Phone/Voice, and Teams Live Events).
• Integrate Teams with Microsoft 365 services (Exchange Online, SharePoint Online, OneDrive, Intune, etc.) and third-party apps.
• Configure and manage Teams policies, compliance, governance, and lifecycle management.

Shift Timing:

Work Setup:

Qualifications & Experience:

• Associate or Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience).
• 5 to 8 years’ progressive experience in IT/system administration (L2 & L3).
• Hands-on expertise in: Entra ID (Azure AD), Intune, Microsoft Security Stack, Azure SSO
• Microsoft 365 Administration, Windows Server, Active Directory
• Google Workspace & Google Cloud administration are a plus
• Networking protocols, system security, storage, backups, and disaster recovery
• Experience with virtualization, scripting, and automation tools.
• Microsoft/CompTIA or equivalent certifications are a plus.
• Proven track record in client-facing IT support with strong communication, problem-solving, and stakeholder management skills.