Night-Shift Systems & Network Administrator

Level 3 BOS; Karachi Division; On-site; PKR 1,400,000 - 2,200,000; Full time

Job summary

Level3 BOS (Pvt.) Ltd. is seeking a Systems/Network Administrator to manage, maintain, and secure our IT infrastructure in a fast-paced operational environment.

The role requires hands-on expertise in Windows Server environments, Active Directory, DNS, DHCP, and firewall/VPN/network security management. The position covers system and network administration, 24/7 shift support, and collaboration with vendors to ensure high availability.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Relevant certifications (CCNA, MCSA, MCSE, Network+) will be an advantage.
• Minimum 2–4 years of hands-on experience in system and network administration.

Responsibilities

• Install, configure, manage, and maintain Windows Server environments (Active Directory, DNS, DHCP, Group Policy).
• Administer user accounts, access controls, security policies, and permissions.
• Monitor system performance, server health, storage utilization, and logs.
• Perform regular system updates, patch management, and security hardening.
• Manage virtualization platforms (VMware / Hyper-V).
• Handle system backups, disaster recovery plans, and restore procedures.
• Configure, monitor, and troubleshoot LAN/WAN, VLANs, and wireless networks.
• Manage network devices including routers, switches, firewalls, and access points.
• Implement and maintain network security measures (firewalls, VPNs, IDS/IPS).
• Monitor network performance, bandwidth usage, and uptime.
• Diagnose and resolve network connectivity and latency issues.
• Implement endpoint protection, antivirus, and security monitoring tools.
• Enforce IT security policies, data protection, and access controls.
• Respond to security incidents, vulnerabilities, and system breaches.
• Maintain documentation related to IT policies, network diagrams, and configurations.
• Provide L2/L3 technical support for system and network-related issues.
• Coordinate with vendors, ISPs, and service providers for issue resolution.
• Ensure 24/7 operational availability during night shift operations.
• Maintain detailed logs, reports, and system documentation.

Skills

Windows Server

Active Directory

DNS

DHCP

Group Policy

TCP/IP

Routing & Switching

VLANs

Firewalls/VPNs/IDS/IPS

VMware/Hyper-V

Backup & DR

Linux basics

Monitoring tools

Ticketing systems

Education

Bachelor’s degree in Computer Science or Information Technology

Certifications such as CCNA, MCSA, MCSE, Network+

Tools

VMware

Hyper-V

Job description

Level3 BOS (Pvt.) Ltd. is seeking a Systems/Network Administrator to manage, maintain, and secure our IT infrastructure in a fast-paced operational environment.

The role requires hands-on expertise in Windows Server environments, Active Directory, DNS, DHCP, and firewall/VPN/network security management. The position covers system and network administration, 24/7 shift support, and collaboration with vendors to ensure high availability.