Senior IT Infrastructure & Systems Engineer

We are looking for a highly experienced and technically strong Senior IT Infrastructure & Systems Engineer to manage, maintain, and enhance the organization’s complete IT infrastructure environment. The ideal candidate should have hands-on expertise in enterprise infrastructure architecture, virtualization, server management, network operations, security implementation, and system administration across Windows and Linux environments. The candidate will play a critical role in ensuring high availability, security, scalability, and performance of the company’s IT systems while supporting business continuity and operational efficiency. Responsibilities Design, implement, maintain, and optimize enterprise IT infrastructure. Manage physical and virtual server environments across multiple locations. Administer Windows and Linux servers, ensuring high availability, performance, and scalability. Perform capacity planning, resource allocation, system upgrades, migrations, and server lifecycle management. Administer Active Directory, including Domain Controllers, DNS, DHCP, Group Policy (GPO), and Organizational Units (OUs). Manage user provisioning, permissions, authentication, and access control. Implement identity and access management best practices. Deploy, manage, and troubleshoot VMware environments. Manage virtual machines, storage, snapshots, and resource allocation. Optimize virtualization performance and support high-availability and disaster recovery environments. Administer Windows Server roles and services. Manage Linux systems using command-line tools and shell scripting. Configure services, file systems, permissions, scheduled tasks, and troubleshoot OS, hardware, and application issues. Monitor and troubleshoot LAN/WAN connectivity and network performance. Support firewall, VPN, switch, and router configurations. Manage endpoint protection, patching, vulnerability remediation, and infrastructure security. Ensure data protection, backup integrity, and compliance with IT security policies. Manage backup and recovery solutions for critical systems. Monitor system health, logs, alerts, and server performance. Develop, maintain, and test disaster recovery and business continuity plans. Provide Level 2 and Level 3 infrastructure support. Troubleshoot server, network, hardware, and software issues. Coordinate with vendors for procurement, maintenance, and technical support. Support enterprise IT operations across office and server environments. Maintain technical documentation, infrastructure diagrams, and SOPs. Prepare infrastructure reports and support IT audits. Ensure compliance with organizational IT standards and security policies. Bachelor's degree in Computer Science, Information Technology, or a related field. Minimum 5 years of experience in IT infrastructure, systems administration, or enterprise IT operations. Technical Skills Enterprise IT infrastructure architecture. Windows Server administration. Linux administration and shell commands. VMware and virtualization technologies. Active Directory, DNS, DHCP, Group Policy, and domain environments. Server-client architecture. Infrastructure monitoring tools. Backup and disaster recovery solutions. Firewall, endpoint security, and system hardening. Hardware troubleshooting and server maintenance. Network troubleshooting and system diagnostics. Preferred Qualifications VMware, Microsoft, Linux, or networking certifications. Experience with cloud infrastructure and hybrid environments. Knowledge of cybersecurity frameworks and IT governance standards. Experience supporting enterprise or multi-branch IT environments. Remote Module Flexible hours