Infrastructure Engineer (Windows/Linux Engineer)

Role Summary

• The Infrastructure Engineer manages Paymi Solutions Limited's server infrastructure across Windows and Linux environments, ensuring system reliability, security and performance.
• The Infrastructure Engineer (Windows/Linux Engineer) is responsible for designing, implementing, maintaining, and securing the organization's on-premises and cloud infrastructure across Windows and Linux environments.
• The role ensures the availability, scalability, security, and performance of critical business systems that support digital financial services, payment platforms, internal applications, and regulatory compliance requirements.

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 and access-control standards.
• Support infrastructure incident response and root-cause analysis.
• Automate routine infrastructure tasks using scripting tools.
• Maintain infrastructure documentation and asset inventories.
• Configure and manage Active Directory, DNS, DHCP, Group Policies, File Services, and Identity Management solutions.
• Implement and maintain enterprise storage systems and backup solutions
• Support cloud infrastructure deployments across Microsoft Azure, AWS, or Google Cloud Platform.
• Manage hybrid infrastructure environments integrating cloud and on-premises systems.
• Optimize cloud resource utilization and infrastructure costs.
• Implement server hardening standards and secure configuration baselines.
• Manage operating system patching, vulnerability remediation, and security updates.
• Develop and maintain backup, restore, and disaster recovery strategies.
• Ensure data protection measures meet organizational and regulatory requirements.
• Monitor backup success rates and resolve backup-related issues promptly.
• Conduct periodic disaster recovery tests and business continuity exercises.
• Support security audits, penetration testing, and regulatory assessments.
• Improve operational efficiency through scripting and system optimization initiatives.
• Standardize infrastructure deployment and configuration management processes.
• Improve operational efficiency through scripting and system optimization initiatives.
• Provide Level 2 and Level 3 infrastructure support for escalated technical issues.
• Standardize infrastructure deployment and configuration management processes.
• Maintain infrastructure documentation, asset inventories, and operational procedures.
• Implement and manage infrastructure monitoring solutions.
• Proactively identify risks and recommend mitigation strategies.

Educational Qualifications

• Bachelor's Degree in Computer Science, Information Technology, or a related field (required).
• Microsoft or Linux certification (e.g., RHCE, MCSE) preferred.

Experience Requirements:

• Total Relevant Experience: 5–8 years
• Fintech / Financial Services Experience: 6 years managing server infrastructure in banking, fintech, or a regulated environment preferred

Skills & Competencies:

• Strong Windows Server and Linux administration skills
• Scripting/automation (PowerShell, Bash, Python)
• Backup, disaster recovery, and patch-management experience
• Strong troubleshooting and root-cause-analysis skills
• Experience with cloud platforms such as Azure, AWS, or GCP.
• Familiarity with Infrastructure-as-Code and automation tools.
• Windows Server Administration
• Familiarity with Infrastructure-as-Code and automation tools.
• Strong analytical and troubleshooting skills
• Root Cause Analysis methodology
• Problem-solving and critical thinking
• Linux System Administration (Ubuntu, CentOS, Red Hat, Rocky Linux).

Regulatory Considerations (Nigeria):

• Ensures server configurations meet PCI-DSS hardening requirements and CBN IT/cybersecurity standards.
• Supports NDPA-compliant data storage and retention configuration on managed servers.