Job Title : Senior Level 3 Engineer (Remote India) Working Hours : 11:00 p.m. EST to 8:00 a.m. EST (which corresponds to 8:30 a.m. to 5:30 p.m. IST ). Employment Type : Full-time (remote, India-based) Location : Anywhere in India (remote) Role Summary : As the Remote Senior Level 3 Engineer, you will be the escalation point for complex technical issues, lead major projects (such as migrations, server builds, network design), and mentor/guide lower-level engineers. You will work closely with US-based teams and clients, so excellent spoken and written English is essential. Key Responsibilities : Act as the escalation point (Level 3) for the MSP: troubleshoot and resolve the most complex issues beyond Levels 1/2. Lead and deliver full-cycle projects including: Microsoft365/Office 365 migrations and tenant setups Server deployments and Hyper-V environment set-up Advanced troubleshooting of servers, storage, virtualization, networking, VoIP, Azure hybrid connections Network / firewall / WAN/LAN design and implementation Audit and optimization of existing client environments (best practices, security hardening) Monitor and manage service tickets (e.g., via a ticketing system such as ConnectWise), prioritize effectively, document resolutions, and ensure SLAs are met. Communicate regularly with US-based clients in clear, professional English: provide status updates, explain technical issues, liaise with client stakeholders. Work independently while also collaborating with team members, sharing knowledge, mentoring more junior engineers. Contribute to continuous improvement: propose and implement process enhancements, automation, and efficiencies for the MSP environment. Preferred candidate profile Qualifications : Proven experience working in an MSP (Managed Service Provider) environment. Excellent English communication skills spoken and written. Client-facing in US time-zone. Strong expertise with Office 365 (tenant creation/migration), Azure (hybrid/AD), and VoIP systems. In-depth knowledge of Windows Server environments, Hyper-V virtualization, network infrastructures (routing, switching, firewalls, VPN). Experience with server provisioning, configuration, backup/restore verification, account/user management. Demonstrated experience designing networks, implementing security best practices, and troubleshooting complex multi-tier systems. Comfortable working the US Eastern hours (evening through early morning IST) consistently. Self-motivated, organized, able to manage multiple priorities in fast-paced environment. Previous escalation or senior engineer role at MSP level preferred. Relevant certifications are a plus (e.g., Microsoft Certified: Azure Administrator, Microsoft 365 Certified: Enterprise Administrator, CompTIA A+ / Network+ / Security+).