Overview :

We're looking for a Senior IT Support Engineer who thrives in complex environments and enjoys solving deep technical problems across infrastructure, endpoints, identity, and security. This is not a traditional support role - you'll operate at L2/L3, own critical systems, and play a key role in strengthening our modern workplace built on Microsoft technologies, Zero Trust principles, and secure infrastructure design.

What You'll Own :

Infrastructure &

- Server Operations :
- Manage and optimize Windows Server environments (AD, DC, DNS, DHCP, GPO) with a focus on reliability, scalability, and security.
- Proactively monitor, patch, and tune servers; resolve complex issues across authentication, replication, and system performance.
- Lead backup and disaster recovery strategies, including validation and periodic restore testing.
- Drive server lifecycle activities, including upgrades, migrations, and hardening aligned with CIS and industry standards.

Modern Endpoint Management (Intune) :

- Own Microsoft Intune end-to-end : device lifecycle, compliance, configuration, and application management.
- Design and enforce security baselines across Windows, iOS, and Android devices.
- Implement Autopilot and zero-touch provisioning for seamless onboarding.
- Troubleshoot deeply using logs, diagnostics, and policy analysis to resolve complex deployment issues.

Identity &

- Access (Microsoft Entra ID) :
- Architect and manage Conditional Access, MFA, and Zero Trust policies.
- Administer SSO integrations across SaaS platforms using modern authentication protocols.
- Implement identity governance (access reviews, PIM, lifecycle workflows).
- Investigate and resolve advanced authentication and access issues.

Apple Device Management :

- Manage Apple Business Manager (ABM)



and integrate with MDM (Intune or equivalent).
- Enable automated device enrollment and enforce security/compliance controls.
- Handle complex enrollment and device management challenges with vendor coordination when needed.

Network &

- Security Engineering :
- Configure and manage firewalls, VPNs, and secure access controls.
- Troubleshoot network issues across switching, VLANs, routing, DNS, and connectivity layers.
- Strengthen network segmentation and enforce least-privilege access.
- Monitor and respond to network and security events using logs and analysis tools.

Security Operations :

- Own endpoint and email security platforms (EDR/MDR, anti-phishing, DLP, encryption).
- Investigate and respond to security incidents across endpoints, identity, and network layers.
- Drive vulnerability management and patching initiatives.
- Implement and enforce security frameworks (CIS, NIST, ISO 27001) and Zero Trust principles.

Microsoft 365 Administration :

- Manage M365 services (Exchange Online, Teams, SharePoint, OneDrive).
- Configure advanced email security (SPF, DKIM, DMARC, Safe Links/Attachments).
- Troubleshoot complex mail flow, access, and integration issues.
- Support compliance features like retention, eDiscovery, and audit.

Advanced Support (L2/L3 Escalations) :

- Handle critical escalations from L1 teams with deep technical ownership.




- Perform root cause analysis and implement long-term fixes - not just quick resolutions.
- Improve system stability by identifying recurring issues and eliminating them.

Process, Automation &

- Leadership :
- Build and maintain high-quality documentation, SOPs, and runbooks.
- Automate repetitive tasks using PowerShell or similar tools.
- Mentor junior engineers and elevate team capability.
- Contribute to change management, CAB reviews, and continuous improvement initiatives.

What You Bring :

Experience :

- 8 - 12 years in IT infrastructure and support, with strong L2/L3 ownership.
- Solid hands-on experience across Windows Server, Intune, Entra ID, and enterprise networking.
- Proven track record managing production environments and handling critical incidents.

Technical Strength :

- Deep expertise in : Windows Server (AD, DNS, DHCP, GPO), Microsoft Intune and endpoint security, Microsoft Entra ID (Conditional Access, MFA, SSO, Identity Governance), and Network fundamentals (firewalls, VPNs, switching, routing).
- Strong experience with EDR/MDR, email security, and vulnerability management.
- Familiarity with Apple device management via ABM and MDM platforms.

Mindset :

- Solid problem-solver who digs into root causes, not just symptoms.
- Security-first approach with a clear understanding of Zero Trust.
- Comfortable owning systems end-to-end in a fast-paced environment.
- Clear communicator who can document, explain, and mentor effectively.

Must Have :

- Microsoft certifications (AZ-104, SC-300, MD-102).
- Networking certifications (CCNA, Network ).
- Security certifications (Security , etc.).
- ITIL Foundation.

Share below details :

CTC : Exp CTC : NP : Total experience : Thank you, Sahana

📌 Senior IT Support Engineer - Infrastructure & Security (India)
🏢 WorkCrew
📍 India