Full Stack Infra Engineer

Full Stack Infra Engineer - Red Alpha | Career Page

Full Stack Infra Engineer

Singapore, Singapore

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Job Openings Full Stack Infra Engineer

About the job Full Stack Infra Engineer

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 and maintain 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

What You Should Know or Be Eager to Learn

Preferred Technical Skills (not mandatory)

• CCNA certification is required; CCNP is a strong advantage
• Familiarity with Microsoft Windows Server, Linux/Unix OS, and VM environments
• Basic database knowledge (e.g. SQL Server, Oracle)
• Hands-on experience with networking devices (e.g. Cisco routers/switches, firewalls, VPNs)
• Understanding of system hardening, patching, and ITIL-based operations
• Exposure to security appliances and tools for vulnerability scanning and network monitoring

Mindset We Look For

• Problem-solver with strong analytical and troubleshooting skills
• Detail-oriented and self-motivated
• Strong communication and teamwork abilities
• Ability to stay up to date with evolving infrastructure and security technologies

All selected candidates will undergo a 10-week, fully sponsored on-job-training with allowance, before being deployed full-time for 3 years.

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