Assistant Manager- IT Infrastructure

The Assistant Manager - IT Infrastructure will be responsible for overseeing and maintaining the organization’s network and server infrastructure. This role involves managing Cisco routers, switches, VLANs, and Fortinet firewalls, along with administering Windows Servers, Active Directory, DNS, DHCP, and Microsoft 365 environments. The candidate will monitor infrastructure performance, troubleshoot system issues, and lead server migrations and infrastructure deployments. Additionally, the role includes managing Asterisk PBX systems, SIP trunks, IVR, and call routing, while ensuring robust backup, security, and disaster recovery procedures. The Assistant Manager will lead the IT infrastructure team, ensure compliance with service level agreements (SLAs), and coordinate with vendors and internal stakeholders on various infrastructure projects.

Key Responsibilities:
- Manage and maintain Cisco networking equipment including routers, switches, VLANs, and overall network infrastructure.
- Administer Fortinet firewalls, VPNs, and enforce security policies to safeguard network integrity.
- Oversee Windows Server environments, Active Directory, DNS, DHCP, and Microsoft 365 administration.
- Monitor infrastructure performance using Zabbix and resolve any system-related issues promptly.
- Plan and execute server migrations, infrastructure deployments, and automate tasks using PowerShell.
- Manage telephony systems including Asterisk PBX, SIP trunks, IVR, and call routing configurations.
- Maintain backup solutions, implement security measures, and manage disaster recovery protocols.
- Lead and mentor the IT infrastructure team, ensuring adherence to SLAs and operational excellence.
- Collaborate with vendors and internal teams to successfully deliver infrastructure projects on time.

Required Qualifications:
- Bachelor’s degree in Information Technology, Computer Science, or a related discipline.
- 5 to 6 years of hands-on experience in IT infrastructure management and network administration.
- Strong expertise in Cisco networking, including Layer 2 and Layer 3 technologies and VLAN configuration.
- Proficient in firewall administration, VPN management, and network security best practices.
- Practical experience with Windows Server, Active Directory, DNS, DHCP, and Microsoft 365 platforms.
- Familiarity with monitoring tools such as Zabbix and scripting/automation using PowerShell.
- Experience managing Asterisk VoIP systems and telephony infrastructure.
- Demonstrated leadership skills with the ability to manage teams and resolve complex technical issues.
- Willingness to work rotational shifts as required.

Preferred Qualifications and Benefits:
- Certifications such as CCNA, CCNP, Fortinet FCP, or relevant Microsoft certifications are highly desirable.
- Competitive salary package aligned with industry standards.
- Provident Fund (PF) contributions.
- Comprehensive health and life insurance coverage.
- Paid leave entitlements.
- Opportunities for professional development and career advancement.
- Supportive and collaborative work environment fostering growth and innovation.

Location:
Karachi, Sindh - Pakistan