Senior System Engineer (Windows, AD, VMware)

Job Summary

We are looking for a hands-on Senior System Engineer to lead and support 24x7 mission-critical systems in secure on-premises environments. The role requires strong technical expertise and operational leadership, with hands-on involvement in deployments, critical incidents, and emergency recovery activities.

Mandatory Skill-set

Must have 5 years of experience in Systems Administration, Infrastructure Support, or Mission-Critical environments;

Hands-on experience with Windows Server, Active Directory, GPO, and Microsoft SQL Server;

Experience with VMware, Layer 2/3 networking, and Splunk monitoring;

Knowledge of backup/recovery, disaster recovery, patching, and cybersecurity solutions;

Experience supporting 24x7 on-premises systems;

Strong troubleshooting, problem-solving, and analytical skills;

Willing to provide on-site support for critical incidents and emergency recovery, including after-hours, weekends, and public holidays.

Desired Skill-set

Experience in air-gapped, secure, or regulated environments is preferred.

Responsibilities

Administer and maintain Windows servers, workstations, and Active Directory environments;

Manage antivirus definitions, security patches, OS, software, and firmware upgrades;

Perform SSL certificate renewal and management across all system components;

Maintain and manage VMware virtualization infrastructure including ESXi, vCenter, vSAN, and NSX;

Monitor and manage system logs using Splunk and Syslog tools;

Troubleshoot system issues and coordinate with OEM vendors for root cause analysis and resolution;

Perform monthly preventive maintenance, system health checks, and reporting;

Support system deployment and change activities during off-peak hours;

Manage L1–L3 incident tickets and service requests;

Provide 24/7 Level 2 operational support based on a scheduled rotation.

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