Infrastructure Engineer (Windows/Linux)

About the role

Paymi Solutions Limited (PayZeep), a licensed financial technology company in Nigeria, is hiring an Infrastructure Engineer in Lagos. The engineer designs, implements, maintains and secures the organisation's on-premise and cloud infrastructure across Windows and Linux environments, keeping critical systems available, scalable and secure.

Key responsibilities

• Administer, patch and maintain Windows and Linux servers and virtual machines
• Manage server capacity planning, backups and disaster-recovery processes
• Implement server hardening, access control and secure configuration baselines
• Support incident response, root-cause analysis and security audits
• Automate routine tasks with scripts and standardise deployment and configuration management
• Configure Active Directory, DNS, DHCP, Group Policy, file services and identity management
• Maintain enterprise storage, backup solutions and disaster-recovery strategies, including DR tests
• Deploy and optimise cloud infrastructure on Azure, AWS or Google Cloud Platform
• Provide Level 2 and Level 3 support and maintain documentation and asset inventories

Required profile

• Bachelor's degree in Computer Science, Information Technology or a related field (required)
• 5-8 years of total relevant experience; 6+ years managing server infrastructure in fintech, banking or a regulated environment preferred
• Microsoft or Linux certification (e.g. RHCE, MCSE) preferred

Required skills

• Windows Server and Linux administration (Ubuntu, CentOS, RedHat, Rocky Linux)
• Scripting and automation (PowerShell, Bash, Python)
• Backup, disaster recovery, patch management and vulnerability remediation
• Cloud platforms (Azure, AWS, GCP) and Infrastructure-as-Code familiarity
• PCI-DSS hardening and CBN IT/cybersecurity standards