Role Summary:

We are looking for an experienced Senior Systems & Infrastructure Engineer (Level 4) to support our US operations during US Eastern Time business hours. As a Level 4 engineer, you are the final technical escalation point for server and infrastructure issues, owning complex incident resolution, root cause analysis, and infrastructure improvements across a hybrid (on-premises and cloud) environment.

Key Responsibilities:

- Act as Level 4 escalation point for critical server, virtualization, storage, and infrastructure incidents.

- Administer, maintain, and optimize Windows Server and Linux environments.

- Manage and troubleshoot virtualization platforms (VMware vSphere/ESXi, Hyper-V).

- Manage Active Directory, Group Policy, DNS, DHCP, and Entra ID identity services.

- Support and administer hybrid cloud infrastructure on Microsoft Azure.

- Own patch management and vulnerability remediation for servers.

- Manage backup, recovery, and disaster recovery solutions.

- Monitor infrastructure health and performance.

- Perform root cause analysis (RCA) for major incidents.

- Automate repetitive tasks using PowerShell, Bash, Python, Ansible, or Terraform.

- Apply security best practices and server hardening aligned with CIS benchmarks.

- Manage incidents, problems, and changes through the ITSM platform following ITIL processes.

- Create and maintain technical documentation and runbooks.

- Mentor Level 1 - 3 engineers.

- Communicate clearly with US-based client stakeholders.

Required Skills :

- 8+ years of experience in server, systems, or infrastructure engineering, including at least 2 years at an L3/L4 level.

- Expert-level knowledge of Windows Server (2016/2019/2022).

- Strong experience with VMware vSphere and/or Microsoft Hyper-V.

- Deep understanding of Active Directory, Group Policy, DNS, DHCP, and PKI.

- Hands-on experience with Microsoft Azure and Microsoft 365/Exchange hybrid environments.

- Solid knowledge of storage, backup, and DR solutions (e.g., Veeam, Commvault, Azure Backup, SAN/NAS).

- Proficiency in PowerShell and scripting/automation.

- Working knowledge of networking fundamentals (TCP/IP, VLANs, firewalls, load balancers, VPN).

- Experience working in ITIL-aligned environments and with ITSM tools.

- Excellent written and verbal English communication skills.

- Willingness to work in the US Eastern Time shift.

Shift & Working Conditions:

- Shift aligned to US Eastern Time business hours (approximately 9:00 AM - 6:00 PM ET).

- Collaboration with an international team across time zones.