SalaryPeak

Senior Cyber Infrastructure Engineer

ENSIGN INFOSECURITY (CYBERSECURITY) PTE. LTD.
Singapore 5+ years Posted Feb 9, 2026

Salary Range

SGD 84,000 - SGD 132,000 /year

SGD 7,000 - SGD 11,000/month

Skills Required

AzureCCNPActive DirectoryVMwareScriptingWindows ServerWindowsITILAPINetwork SecurityVirtualizationDNSLinuxCISSP

Job Description

Key Responsibilities


Security Implementation & Management:

  • Deploy and maintain F5 system with experience in LTM, WAF, API
  • Deploy and maintain Azure Cloud security with experience in APIM gateways
  • Implementation, and maintenance of firewall management and security solutions.

Security Policy & Configuration:

  • Implement, and enforce granular security policies on F5 , firewalls solutions and Azure APIM gateways
  • Perform regular security policy rule base reviews, cleanups, and optimization to ensure a strong security posture and network performance.
  • Integrate and configure F5 solutions , firewall and security solutions to enforce application delivery and security policies, including rules.

Documentation & Collaboration:

  • Documentation for diagrams. configurations, and standard operating procedures.
  • Collaborate closely with cross-functional teams to ensure security policies align with business objectives.

Qualifications

  • Experience: Minimum of 3-5 years of hands-on experience in a network security or engineering role.
  • Technical Skills:
  • Hands-on experience with F5 BIG-IP platforms, including LTM, WAF/ASM and API
  • Proven experience with Azure cloud platforms security, including NSG and APIM
  • Implementation knowledge of network , firewall solution and management security, including FTD and FMC.
  • Strong understanding of network protocols (TCP/IP, DNS, HTTP/S) and security principles (firewalls, IDS/IPS, VPNs).
    Familiarity with automation, cloud security is a plus.

Certifications (Preferred)

  • Microsoft Certified: Azure Security Engineer Associate
  • Cisco Certified Network Professional (CCNP) Security
  • F5 Certified Administrator or F5 Certified Technology Specialist (CTS).
  • Other security certifications like CISSP or CompTIA Security+ are a plus.