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Urgent! Network Security Engineer - Singapore Career Opportunity with RAPSYS TECHNOLOGIES PTE LTD in Singapore

Network Security Engineer Singapore



Job description

Network Security Engineer - Singapore
RAPSYS TECHNOLOGIES PTE LTD
Location:
Singapore, Singapore
Work Mode:
Work From Office
Role:
Network Security Engineer
Key Responsibilities
Deploy, configure, and maintain F5 systems including LTM, WAF, and API modules.


Implement and manage Azure Cloud security controls, such as 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 clean‐ups, 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.


Qualifications
2–5 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,
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+
Seniority Level
Mid‐Senior level
Employment Type
Full‐time
Job Function
Other
Industries
IT Services and IT Consulting
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Required Skill Profession

Other General



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