Network Security Engineer

14 hours ago

Singapore Rapsys Technologies Pte. Ltd Full time $96,000 - $192,000 per year

Key Responsibilities

Security Implementation & Management

  • Deploy, configure, and maintain F5 systems including LTM, WAF, and API modules.
  • Implement and manage Azure Cloud security controls, including APIM gateways and Network Security Groups (NSGs).
  • Maintain and administer firewall and intrusion prevention systems (e.g., Cisco FTD/FMC or equivalent).
  • Monitor and troubleshoot network and security performance issues to ensure continuous protection and availability.

Security Policy & Configuration

  • Implement and enforce granular security policies across F5, firewalls, and Azure environments.
  • Conduct regular rule base reviews, policy cleanups, and performance optimizations.
  • Ensure consistent policy integration and configuration alignment across application delivery and network security platforms.

Documentation & Collaboration

  • Maintain accurate network diagrams, configurations, and standard operating procedures (SOPs).
  • Work closely with cloud, network, and application teams to align security policies with business and compliance requirements.
  • Support security audits, incident investigations, and continuous improvement initiatives.

QualificationsExperience

  • 3–5 years of experience in network security or network engineering roles.
  • Proven track record in deploying and maintaining F5, Azure security, and firewall solutions.

Technical Skills

  • Hands-on experience with F5 BIG-IP platforms (LTM, WAF/ASM, API).
  • Strong knowledge of Azure Cloud security, including NSG and APIM.
  • Experience with firewall platforms (e.g., Cisco FTD/FMC, Palo Alto, or similar).
  • Understanding of network protocols (TCP/IP, DNS, HTTP/S).
  • Familiarity with security concepts such as firewalls, IDS/IPS, VPNs, and zero-trust principles.
  • Basic knowledge of automation or cloud-native security tools is an advantage.

Preferred Certifications

  • Microsoft Certified: Azure Security Engineer Associate
  • Cisco Certified Network Professional (CCNP Security)
  • F5 Certified Administrator or F5 Certified Technology Specialist (CTS)
  • Other relevant certifications such as CISSP or CompTIA Security+

Job Types: Full-time, Contract

Contract length: 12 months

Pay: Up to $8,000.00 per month

Location:

  • Singapore (Required)

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