First seen by Alion on Sep 23, 2026.
Layer3 is one of the fastest growing network and security infrastructure companies in West Africa, providing award-winning services, including managed and cloud services, network security, IT infrastructure management, virtualization and mobile device management solutions. Our unique model integrates best-of-breed technologies from global leaders such as Juniper Networks, Blue Coat, Polycom, AirWatch, F5, Extreme Networks and VMware, coupled with our next-generation metro fiber networks, to offer unparalleled services and after sales support to some of the most demanding customers.
We are recruiting to fill the position below:
Job Title: Team Lead, IT Support & Application
Location: Abuja
Job Type: Full-time
About the Role
- The Team Lead, IT Support & Application is responsible for leading the end-to-end operational efficiency, reliability, and security of the organization’s on-premises infrastructure, applications, and end-user technologies.
- The role ensures the seamless functioning of datacenter operations, virtualization platforms, cloud services, cybersecurity controls, DevOps/MLOps workflows, and service support systems, all in alignment with organizational strategic goals and compliance standards.
Key Responsibilities
- Lead the design, deployment, optimization, and maintenance of Layer3’s on-premises infrastructure.
- Implement and manage the Proxmox VE virtualization environment, including clustering, workload migrations, VM lifecycle, and enterprise backups via PBS.
- Administer Microsoft 365 services: SharePoint, Exchange Online, Purview, Admin Center, OneDrive, and Teams.
- Drive organization-wide VAPT remediation and security hardening across infrastructure and applications.
- As the custodian of all organizations Applications, the incumbent will be responsible for deploying SentinelOne, BitLocker, Cloudflare WAF, other endpoint security controls and applications.
- Coordinate and manage the software development for both DevOp and MLOps programs for the organization.
- Support backend engineering for Layer3Pay, mobile API integrations, and SMS automation systems.
- Lead the implementation and enhancement of Zabbix, Wazuh, Prometheus, Grafana, and SNMP templates for system monitoring and accountability.
- Develop custom monitoring templates promote monitoring system usability and contextualization.
- Oversee centralized IT support operations using a SharePoint-based ticketing system, ensuring SLA compliance and workflow automation.
- Lead intra-unit service desk optimization, escalation workflows, asset inventory modernization, and hardware lifecycle management for Application and ITSupport services and products.
- Train and mentor engineers in virtualization, Proxmox, Python, Power BI, networking, and engineering best practices.
- Participate in corporate committees including Risk Assessment, Project Steering Committee, and R&D initiatives.
Requirements
- Experience: Minimum of 5 years of relevant experience in IT Support & Applications or a related role.
- Technical Skills: Proficiency in Windows, macOS, and Linux Operating Systems; knowledge of network protocols and configurations.
- Relevant certifications (e.g., ITIL, Vmware, Comptia, MSCDBA etc) are a plus.
- Experience in designing, developing, and managing cloud-based infrastructure and applications.
Technical Skills:
- Infrastructure & Virtualization Architecture
- SAN/NAS Storage Engineering
- PowerBI, Python, PowerApps and SharePoint Site
- Cloud Services (O365, Azure or AWS, Linux VMs,)
- Cybersecurity Hardening & Endpoint Protection
- ITSM, SLA Management & Service Desk Operations
- Backup / DR / BCP Engineering
- Application Support (Odoo, QuickBooks, Custom Apps)
- DevOps & MLOps (CI/CD, GitHub, Automation)
- Network Monitoring (Zabbix, Wazuh, Prometheus, Grafana)
- Leadership, Training & Team Development
- Cost Optimization & Strategic Planning
Application Closing Date
Not Specified.
How to Apply
Interested and qualified candidates should:
Click here to apply online
Note: Only qualified candidates would be contacted.

