Full Stack Infra Engineer - Cybersecurity & Networking Pro

RED ALPHA CYBERSECURITY PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Benefits offered by this job

On-job training with allowance

Job summary

Red Alpha Cybersecurity is seeking a Full Stack Infra Engineer to design, implement, and maintain robust, secure infrastructure across LAN, WAN, and cloud environments. You’ll contribute to both project work and daily operations of mission-critical systems, with growth into advanced roles across networking, infrastructure, and cybersecurity.

The role involves configuring network appliances, conducting vulnerability assessments, and ensuring SLA-aligned performance.

Qualifications

• CCNA certification is required; CCNP is a strong advantage.
• Hands-on with Windows Server, Linux/Unix, and VM environments.
• Exposure to security appliances and vulnerability scanning tools.

Responsibilities

• 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 Windows, Unix/Linux servers, virtual machines, and databases (e.g. SQL Server, Oracle).
• Perform routine preventive maintenance and respond promptly to system alerts and issues.
• Support operational systems to meet SLA requirements.
• Participate in change management, disaster recovery, and patch management processes.

Skills

CCNA Certification

CCNP Advantage

Windows Server

Linux/Unix

VM Environments

SQL Server/Oracle

Networking Devices

System Hardening

Patching/ITIL

Security & Monitoring Tools

Job description

Red Alpha Cybersecurity is seeking a Full Stack Infra Engineer to design, implement, and maintain robust, secure infrastructure across LAN, WAN, and cloud environments. You’ll contribute to both project work and daily operations of mission-critical systems, with growth into advanced roles across networking, infrastructure, and cybersecurity.

The role involves configuring network appliances, conducting vulnerability assessments, and ensuring SLA-aligned performance.