Senior Network Infrastructure Engineer

Summary

Join Jumio as a Senior IT Network Administrator and lead the planning, implementation, and management of our network infrastructure. Ensure high availability, performance, and security by designing and optimizing LAN/WAN systems, cloud and hybrid environments, and implementing cybersecurity measures. Provide technical leadership, mentor junior staff, and collaborate with cross-functional teams. Evaluate emerging technologies, develop network policies, and ensure compliance with regulations. Your work will ensure the stability, scalability, and security of our network infrastructure, supporting business continuity and productivity.

Requirements

• 5+ years of hands-on experience in network engineering, including design, implementation, and troubleshooting of enterprise-level networks
• Proven expertise in configuring and managing routers, switches, firewalls, and wireless solutions (e.g., Mikrotik, Cisco, Juniper)
• Strong experience with network security, VPNs, IDS/IPS, and access control technologies
• Proficiency in managing LAN/WAN environments, BGP, OSPF, VLANs, and QoS
• Experience with network monitoring and diagnostic tools (e.g., Zabbix,, Wireshark, etc)
• Practical knowledge of cloud networking (e.g., AWS, Azure, hybrid cloud connectivity)
• Familiarity with SD-WAN, load balancers, and remote access solutions
• Exposure to ITIL practices, change management processes, and regulatory compliance standards (e.g., ISO, PCI-DSS)
• Knowledge of Terraform and Ansible

Responsibilities

• Design, deploy, and maintain scalable and secure IT infrastructure
• Oversee network infrastructure to ensure high availability and performance
• Manage IT projects including upgrades, migrations, and new implementations
• Implement cybersecurity measures and ensure compliance with industry standards
• Troubleshoot complex hardware, software, and network issues
• Manage network connectivity & services in virtualized environments
• Maintain detailed documentation of systems and configurations
• Mentor and support junior IT staff and engineers
• Coordinate with vendors and internal stakeholders for IT service delivery
• Perform maintenance and change activities as required

Preferred Qualifications

• Knowledge of Active Directory and scripting skills
• Energetic and eager to learn
• Follows SOPs and instructions
• World Class customer service
• Collaborative and collegiate
• Urgency and ownership
• Humble and helpful
• Teachable. Resilient
• Positive attitude and proactive