Full Stack Infra Engineer

Red Alpha

📍 Singapore, Singapore, Singapore

Full-time Software Architecture & Engineering Posted March 01, 2026

Job Description

Red Alpha Cybersecurity is hiring Full Stack Infra Engineer who are eager to design, implement, and maintain robust and secure infrastructure across LAN, WAN, and cloud environments. You’ll be involved in both project-based work and the daily operations of mission-critical systems, with opportunities to grow into advanced roles across networking, infrastructure, and cybersecurity.

What You’ll Be Doing

Design, implement, and maintain LAN, WAN, WLAN, VPN, and firewall systems

Configure and deploy network appliances, routers, switches, and load balancers (e.g. Cisco, Fortinet)

Conduct vulnerability assessments and support remediation across network layers

Troubleshoot network performance issues and ensure minimal downtime

Work closely with clients and teams to generate system specs and present architecture solutions

Plan, execute, and monitor IT infrastructure setup and upgrades (on-prem and virtualised)

Manage...