Team Lead, Application & IT Support
AI summary
Layer3 is hiring a Team Lead, Application & IT Support in Abuja to lead on-premises infrastructure, cloud services, cybersecurity, DevOps/MLOps, and end-user support operations. The role requires 5 years of experience and a BA/BSc/HND, and involves managing datacenters, Microsoft 365, enterprise applications, and cross-functional technology teams.
- Senior IT leadership role covering infrastructure, cloud, security, and applications
- Based in Abuja with full-time employment
- Requires 5 years of experience and a BA/BSc/HND
- Involves Microsoft 365, Proxmox VE, and enterprise application management
- Covers cybersecurity, IAM, DevOps/MLOps, and data analytics functions
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?
- Required5+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, internship, entregadorThe 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 security, internship, entregador, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from MyJobMag 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
- MyJobMag Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
Never pay for interviews, shortlisting, medical checks, uniforms, or job placement. Confirm every application at the original source before sharing personal documents. Report suspicious listing.
Interview preparation
- What experience makes you a strong fit for this Team Lead, Application & IT Support role in security, internship?
- 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
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Layer3 is a network and enterprise solutions provider. We combine our knowledge of world-class technology solutions, in addition to our partnership with some of the global technology providers to design, implement and support our clients’ business transformation ambitions. This includes the innovation of the data centre, software, server & storage ...
Team Lead, Application & IT Support
Job Type: Full Time
Qualifications
BA/BSc/HND
Experience
5 years
Location: Abuja
Job Field: ICT / Computer
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
across the organization.
DUTIES AND
Minimum of 5 years of relevant
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.
in designing, developing, and managing cloud-based infrastructure and applications.
Shows initiative, flexibility, and resourcefulness
COMPLIANCE
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
- 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.
- 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
- MINIMUM QUALIFICATION AND
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.
Check how your CV aligns with this job
Method of Application
- Interested and qualified applicants should forward their CVs to
- careers@layer3.com.ng
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