Team Lead, IT Support & Application at Layer3

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