IT Infrastructure Manager - Enterprise IT & Infrastructure (Onsite, Karachi, PKR Salary)

Requirements: 8+ years of experience in IT infrastructure, systems, or network administration, including 3+ years in an IT Infrastructure Lead, Manager, or similar leadership role. Strong hands-on experience with Windows and Linux administration, along with strong knowledge of TCP/IP, DNS, DHCP, VLANs, routing, switching, NAT, VPN, and LAN/WAN. Hands-on experience managing enterprise firewalls and network security, including experience with Fortinet, Palo Alto, Cisco, Sophos, pfSense, or similar firewall platforms. Experience with virtualization, backup, monitoring, and disaster recovery, including VMware, Hyper-V, or Proxmox. Experience with AWS, Tencent, Azure, or other cloud platforms. Experience with Active Directory, Group Policy, Microsoft 365, or Google Workspace. Exposure to infrastructure automation, monitoring, cybersecurity, and vulnerability management. Experience managing enterprise or multi-site IT infrastructure. Strong troubleshooting and problem-solving capabilities, along with strong leadership, communication, and technical decision-making skills. Experience establishing and improving IT processes, standards, and documentation, with ITIL or similar IT service management experience. Experience managing IT vendors, service providers, and infrastructure procurement. Technical ownership beyond day-to-day IT support, with the ability to independently make infrastructure decisions and plan for future requirements. Proactive identification and resolution of infrastructure, security, and operational risks, with a focus on improving IT processes, standardization, security, reliability, and efficiency. Ability to balance business requirements, security, performance, and cost. Strong coordination with management, technical teams, vendors, and procurement. Hands-on leadership with accountability for overall infrastructure operations and continuous improvement. Responsibilities: Lead the planning, management, and continuous improvement of enterprise IT infrastructure. Manage Windows and Linux servers, systems, virtualization, and IT services. Design and maintain network infrastructure, including LAN/WAN, routing, switching, VPNs, and internal traffic management. Manage firewalls, network security, access controls, and infrastructure security. Monitor infrastructure performance, availability, capacity, and security. Identify infrastructure gaps and implement improvements to reliability, security, and operational efficiency. Establish and maintain IT processes, SOPs, documentation, and operational standards. Manage backups, disaster recovery, business continuity, and infrastructure resilience. Lead troubleshooting and resolution of critical infrastructure, network, and system issues. Work with vendors and service providers for infrastructure and IT-related requirements. Support Procurement/Purchase with technical specifications, IT requirements, vendor evaluation, and recommendations for IT-related…