Team Lead, Application & IT Support

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, Application & IT Support

Location: Abuja
Job type: Full-time

About the Job

• The TL, 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.
• The position oversees cross-functional technology teams, driving excellence in infrastructure management, cloud-hosted services, identity and access controls, analytics intelligence, and customer-facing support operations.
• The TL ensures timely resolution of technical issues, proactive system optimization, and the delivery of automated, scalable, and compliant technology solutions that enhance business performance, operational resilience, and user experience across the organization.

Duties and Responsibilities
Infrastructure, Datacenter & Virtualization Management:

• Lead the design, deployment, optimization, and maintenance of Layer3’s on-premises infrastructure.
• Manage enterprise storage (SAN/NAS), backup systems, RAID architectures, and business continuity mechanisms.
• Oversee server power management, datacenter audits, hardware lifecycle, and compliance with PCI-DSS/ISO standards.
• Implement and manage the Proxmox VE virtualization environment, including clustering, workload migrations, VM lifecycle, and enterprise backups via PBS.
• Execute recovery, restoration, and repurposing of enterprise servers, storage arrays, and critical infrastructure hardware.

Cloud Hosted Services, O365 & SaaS Operations:

• Administer Microsoft 365 services: SharePoint, Exchange Online, Purview, Admin Center, OneDrive, and Teams.
• Conduct license optimization, configure email security (SPF/DKIM/DMARC), and automate Outlook backup processes.
• Deploy and manage cloud-hosted enterprise applications such as Odoo ERP, QuickBooks, internal business platforms and other third party services on the Cloud
• Conduct testing, UAT, staff training on new platforms and identified knowledge gaps while ensuring adherence to policies within the portfolio’s purview.

Cybersecurity, Identity & Compliance:

• 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.
• Lead IAM transformation initiatives and coordinate full staff office work tools and software migrations with zero downtime.
• Oversee certificate and license management, domain security, API key rotation, and secure application practices.

DevOps, Software Engineering & Automation:

• 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.
• Manage codebase consolidation and the code-change management workflow using GitHub to strengthen CI/CD readiness.
• Engineer automation tools and scripts (AI/ML-assisted chatbots, SSL expiry monitoring, and workflow automations)

Data Analytics and Dashboards:

• Lead the data analytics function by coordinating analysts across units to deliver unified operational dashboards, performance insights, and decision-support reports for management.
• Build and maintain automated dashboards and data pipelines that integrate information from multiple business units, enabling trend analysis, service optimization, and organization-wide visibility.
• Provide senior leadership with actionable insights through analytics reviews, reporting packs, and visualization-driven intelligence covering operational efficiency, service quality, and strategic KPIs.

Network Monitoring, Observability & Intelligence:

• 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.
• Maintain advanced infrastructure monitoring dashboards and customer-facing observability platforms.

ITSM & IT Support Operations:

• 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.
• Manage laptop procurement, configuration, repair, and deployment of laptops, conferencing systems, and VoIP devices.

Leadership & Strategic Projects:

• 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.
• Provide the CTO with weekly and quarterly KPI dashboards covering IT Support, Infrastructure and Software Development operations.
• Oversee strategic projects including VoIP deployment, server-based controllers, server installations, and emerging operational initiatives.

Cost Optimization & Financial Efficiency:

• Drive cost-saving initiatives through platform migrations, tooling consolidation, and operational efficiency improvements.

Minimum Qualification and Experience

• 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.
• Shows initiative, flexibility, and resourcefulness

Key Skills Required:

• 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

Compliance:

• Observe the obligations of Layer3’s Employee Handbook Manual
• Adhere to Layer3’s Development Principles
• Adhere to Layer3’s Intellectual Property Policy requirements and relevant Data Protection and information security legislation.
• At all times, work to ensure the health and safety of the post holder, other staff, colleagues, and visitors to Layer3’s premises.

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their  Applications to: [email] using the Job Title as the subject of the email.