IT Infra and Network Lead

Position: Infrastructure & Network Lead
Location: Lusaka, Zambia.

About VIZTRANIX: VIZTRANIX is an IT systems integrator specialized in providing comprehensive IT Solutions and Support Services for businesses in Zambia. We provide end-to-end IT solutions, from enterprise technology design and deployments, including virtualization, servers, and SAN, to network architecture design and installation and hardware and software retail, ensuring you get the right IT Services to meet your needs. With a wide range of in-house skill sets and partnerships with major OEMs, we deliver state of-the-art technology solutions enabling enterprises and other clients to overcome business obstacles through technology during their digital transformation process. Whether you’re looking for someone to look after your IT Systems, host and manage emails and websites, or get your company into cloud services, we can help. We take care of all your IT needs in one safe place.

Job Summary: We are seeking a highly motivated and experienced Infrastructure & Network Lead to join our team. In this role, you will be responsible for the strategic design, implementation, deployment, security, and maintenance of the VIZTRANIX Client’s IT Infrastructure — including local and wide area networks (LAN/WAN), servers, networking devices, cloud environments, and related hardware. Beyond core infrastructure management, you will lead the deployment of various OEM solutions, ensuring seamless integration and operational excellence. You will also be accountable for the proactive management of Service Level Agreements (SLAs) , driving performance metrics and vendor compliance. A critical part of this role is the development of skills and talent within the VIZTRANIX team, fostering continuous learning, technical depth, and career growth. You will lead technical projects, manage a team of engineers and administrators, and ensure 24/7 system reliability, performance, and disaster recovery readiness.

Key Responsibilities:
1. Strategic Leadership
o Oversee and manage the technical division of the business, ensuring effective delivery of all infrastructure, network, and support services.
o Define long-term technical strategy, lead change management, and drive operational excellence across the division.
o Manage division budget, SLAs, vendor relationships, and team performance metrics.

2. Design and Solution Deployment
o Design end-to-end infrastructure and network architectures (LAN/WAN, cloud hybrid, security, storage) that are scalable, resilient, and aligned with client business requirements.
o Actively participate in pre-sales activities, including client discovery sessions, technical requirement gathering, solution presentations, RFP/RFQ responses, and effort estimation to support business development. 
o Solution appropriate technology stacks, including hardware, software, OEM products, and cloud services, through detailed technical proposals, bill of materials (BoM), and proof-of-concept (PoC) validation.
o Deploy and integrate solutions into production environments, overseeing configuration, testing, cutover, and handover to operations while ensuring minimal business disruption.

3. Technical Issue Resolution
o Lead the analysis and resolution of advanced technical problems related to networking devices, server infrastructure, cloud environments, software applications, and hardware systems.
o Develop and apply fixes, workarounds, and long-term solutions for critical infrastructure issues, ensuring root cause analysis is documented.

4. Customer & Stakeholder Communication
o Serve as the primary point of escalation for high-priority and complex support cases from VIZTRANIX clients.
o Communicate effectively with clients, understanding their business impact and providing clear, concise, and timely updates.
o Deliver in-depth technical guidance to customers, ensuring their concerns are resolved within agreed SLAs.

5. SLA Management
o Identify recurring infrastructure issues and collaborate with internal teams to implement permanent, scalable solutions.
o Proactively monitor system performance, network health, server capacity, and application dependencies; troubleshoot issues before they impact clients
o Own SLA compliance for infrastructure-related incidents, ensuring response, resolution, and uptime targets are consistently met or exceeded.

6. Collaboration & Vendor Coordination
o Coordinate with external vendors and OEM partners for successful deployment of new OEM solutions and issue resolution.
o Work closely with cross-functional teams to address and resolve technical issues across the infrastructure stack.
o Participate in technical design reviews, providing expert feedback on potential infrastructure risks and challenges.

7. Mentoring, Training & Talent Development
o Mentor and train junior support engineers and infrastructure team members, sharing technical expertise and operational best practices.
o Drive recruitment activities for the technical division, including workforce planning, role definition, candidate sourcing, structured interviewing, technical evaluation, and final hiring decisions.
o Conduct regular technical training sessions to enhance the team's capabilities across networking, security, cloud, and OEM solutions.
o Review and provide constructive feedback on support cases and infrastructure changes handled by junior engineers, driving skill growth within the VIZTRANIX team.

8. 24 x 7 Support
o Provide 24 x 7 support as required, ensuring timely resolution of critical issues outside regular working hours.
o Lead major incident response efforts, coordinating communication, technical recovery, and post-incident reviews.

Technical Skills and Qualifications:
• Educational Background:
o Bachelor’s degree in computer science, Engineering, Information Technology, or a related field.

Advanced degrees or certifications are a plus.
• Experience:
o 4+ years of experience in a technical support role, with a strong track record in troubleshooting and resolving complex issues.
o Proven experience in leading and mentoring support teams.

• Certifications:
o Relevant certifications such as Cisco Certified Network Associate (CCNA), Fortinet, checkpoint, VMware, Microsoft Certified Solutions Expert (MCSE) etc.

• Technical Expertise:
o Advanced knowledge of specific technologies, operating systems, databases, network protocols, cloud services.
▪ Windows Servers
▪ Active Directory Implementation and Migration
▪ VMware vCenter / ESXi
▪ Windows Hyper V
▪ Management, configuration and deployment of Fortinet / Sophos / Checkpoint / PaloAlto / Cisco devices.
▪ Management of Backup and replication solutions such as Veeam, Acronis etc.
o Experience with specific tools or platforms relevant to the job.

• Soft Skills:
o Strong analytical and problem-solving skills, with the ability to think critically and diagnose technical issues.
o Excellent verbal and written communication skills, with the ability to convey complex technical concepts to non-technical audiences.
o Strong customer service skills, with a focus on providing exceptional support and maintaining positive relationships with clients.

If you’re someone who believes in career progression, values innovation, embraces challenges, and wants to be part of a winning team—then we are the team for you! Join VIZTRANIX and become a key player in driving our growth and success in the dynamic IT industry.

Apply now and unleash your potential