Infrastructure Security Lead

Fincra

Infrastructure Security Lead responsible for securing Fincra's payment infrastructure by enforcing strong security controls. Leading network security strategy and incident response for cloud and on-prem environments.

Posted 5/17/2026full-timeLagos • 🇳🇬 NigeriaSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDNSFirewallsSwitchingTCP/IP

About the role

Key responsibilities & impact

Lead design and evolution of secure network architecture (on-prem, hybrid, cloud)
Define and enforce network segmentation, zero trust, and least privilege models
Configure, manage, and optimize firewalls, WAF, and network security appliances
Implement and maintain secure VPN connectivity for internal infrastructure access
Monitor network traffic for suspicious activities and anomalies
Investigate network security incidents and assist with containment and remediation
Identify and remediate network infrastructure vulnerabilities
Secure cloud networking environments including VPC architecture and security groups
Maintain documentation of network architecture, configurations, and security policies

Requirements

What you’ll need

5-6+ years in network security in high-scale, fintech, or regulated environments
Advanced knowledge of TCP/IP, routing, switching, DNS, and network protocols
Deep hands-on experience with firewalls (e.g., Palo Alto Networks, Fortinet)
Strong understanding of IDS/IPS, WAF, VPN, and DDoS protection
Experience with SIEM, EDR, and network analytics tools
Solid cloud networking security experience (AWS VPC, Azure VNet)
Preferred certifications: CCNA, CCNP Security CCIE Security AWS Security Specialty

Benefits

Comp & perks

Flexible working arrangements

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

network architecturenetwork segmentationzero trustleast privilege modelsfirewallsWAFVPNTCP/IProutingnetwork protocols

Certifications

CCNACCNP SecurityCCIE SecurityAWS Security Specialty