Team Lead, Application & IT Support
AI summary
Layer3 is hiring a Team Lead, Application & IT Support in Abuja on a full-time basis. The role leads end-to-end operational efficiency, reliability, and security of on-premises infrastructure, applications, and end-user technologies, covering datacenter, virtualization, cloud services, cybersecurity, and DevOps/MLOps workflows. Candidates will oversee cross-functional teams and ensure scalable, compliant technology solutions aligned with business goals.
- Full-time role based in Abuja
- Leads infrastructure, cloud, cybersecurity, and application support operations
- Involves Proxmox VE, Microsoft 365, and enterprise storage management
- Requires driving IAM, VAPT remediation, and security hardening initiatives
- Includes DevOps/MLOps coordination and automation engineering
AI job guide
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AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- UnclearRelated work experienceThe text mentions experience, but the exact level should be confirmed at source.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in sales, security, internshipThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in AbujaThe vacancy is associated with this location.
- UnclearComfort with the Full Time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyLicence, permit or professional registration
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Team Lead, Application & IT Support evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Layer3 and the role in Abuja.
- Add concrete examples related to sales, security, internship, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobzilla Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- Jobzilla Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Team Lead, Application & IT Support role in sales, security?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Abuja under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Layer3 before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
Job Title: Team Lead, Application & IT Support
Job Type: Full-time
Team Lead, Application & IT Support at Layer3
⏲
Sep 17, 2026, 6:01 AM
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View all ICT Support & Telecommunications jobs
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:
Location: Abuja
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 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 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 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
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.
in designing, developing, and managing cloud-based infrastructure and applications.
Minimum of 5 years of relevant
in IT Support & Applications or a related role.
Shows initiative, flexibility, and resourcefulness
Key Skills Required:
Cybersecurity Hardening & Endpoint Protection
Leadership, Training & Team Development
Cloud Services (O365, Azure or AWS, Linux VMs,)
PowerBI, Python, PowerApps and SharePoint Site
Infrastructure & Virtualization Architecture
Cost Optimization & Strategic Planning
Backup / DR / BCP Engineering
DevOps & MLOps (CI/CD, GitHub, Automation)
Application Support (Odoo, QuickBooks, Custom Apps)
ITSM, SLA Management & Service Desk Operations
SAN/NAS Storage Engineering
Network Monitoring (Zabbix, Wazuh, Prometheus, Grafana)
Compliance:
At all times, work to ensure the health and safety of the post holder, other staff, colleagues, and visitors to Layer3’s premises.
Observe the obligations of Layer3’s Employee Handbook Manual
Adhere to Layer3’s Development Principles
Adhere to Layer3’s Intellectual Property Policy
Responsibilities
- Infrastructure, Datacenter & Virtualization Management:
- Oversee server power management, datacenter audits, hardware lifecycle, and compliance with PCI-DSS/ISO standards.
- Execute recovery, restoration, and repurposing of enterprise servers, storage arrays, and critical infrastructure hardware.
- Implement and manage the Proxmox VE virtualization environment, including clustering, workload migrations, VM lifecycle, and enterprise backups via PBS.
- 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.
- Cloud Hosted Services, O365 & SaaS Operations:
- Conduct testing, UAT, staff training on new platforms and identified knowledge gaps while ensuring adherence to policies within the portfolio’s purview.
- 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
- Administer Microsoft 365 services: SharePoint, Exchange Online, Purview, Admin Center, OneDrive, and Teams.
- Cybersecurity, Identity & Compliance:
- Oversee certificate and license management, domain security, API key rotation, and secure application practices.
- Lead IAM transformation initiatives and coordinate full staff office work tools and software migrations with zero downtime.
- 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.
- DevOps, Software Engineering & Automation:
- Engineer automation tools and scripts (AI/ML-assisted chatbots, SSL expiry monitoring, and workflow automations)
- 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.
- 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.
- Provide senior leadership with actionable insights through analytics reviews, reporting packs, and visualization-driven intelligence covering operational efficiency, service quality, and strategic KPIs.
- Build and maintain automated dashboards and data pipelines that integrate information from multiple business units, enabling trend analysis, service optimization, and organization-wide visibility.
- 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:
- 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.
- Oversee centralized IT support operations using a SharePoint-based ticketing system, ensuring SLA compliance and workflow automation.
- Leadership & Strategic Projects:
- Train and mentor engineers in virtualization, Proxmox, Python, Power BI, networking, and engineering best practices.
- Provide the CTO with weekly and quarterly KPI dashboards covering IT Support, Infrastructure and Software Development operations.
- Participate in corporate committees including Risk Assessment, Project Steering Committee, and R&D initiatives.
- 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
Requirements
- and relevant Data Protection and information security legislation.
- How to Apply
- Interested and qualified candidates should send their Applications to
- :
- careers@layer3.com.ng
- using the Job Title as the subject of the email.
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- Abuja