Senior Security Engineer

Posted:
7/21/2025, 5:00:00 PM

Experience Level(s):
Senior

Field(s):
IT & Security ⋅ Software Engineering

Ensign is hiring !

Key Responsibilities:

  • Design, deploy, and manage security infrastructure including firewalls, IDS/IPS, endpoint protection, SIEM, DLP, VPN, and secure authentication systems.

  • Lead the implementation and maintenance of security tools and frameworks in alignment with industry standards (e.g., NIST, ISO 27001).

  • Perform security assessments, vulnerability management, and risk analysis on systems and applications.

  • Develop and enforce secure configuration standards across IT assets and cloud environments (AWS, Azure, etc.).

  • Collaborate with SOC, network, and infrastructure teams to enhance threat detection and incident response capabilities.

  • Support incident investigations by providing deep technical analysis and root cause identification.

  • Lead or support security projects such as EDR/XDR deployment, PAM solutions, or Zero Trust implementation.

  • Evaluate new security technologies and recommend improvements based on threat landscape and business needs.

  • Develop and maintain security documentation including architecture diagrams, procedures, and technical standards.

  • Mentor junior engineers and contribute to training and knowledge-sharing initiatives.
     

Requirements:

Education & Certifications:

  • Bachelor’s degree in Cybersecurity, Computer Science, Information Systems, or a related field.

  • Relevant certifications highly preferred:

    • CISSP, OSCP, GSEC, GCIA, GCWN, CCSP, or equivalent.
       

Technical Skills:

  • Hands-on experience with enterprise security tools (e.g., Palo Alto, Fortinet, Cisco ASA, CrowdStrike, Splunk, Microsoft Defender, etc.).

  • Strong understanding of TCP/IP, routing, switching, VPNs, and firewall technologies.

  • Experience with SIEMs, vulnerability scanners, and threat detection platforms.

  • Scripting knowledge (e.g., Python, Bash, PowerShell) for automation and integration tasks.

  • Familiarity with cloud security best practices and tools (AWS, Azure, GCP).

  • Solid understanding of secure coding, hardening, and encryption protocols.

Ensign Infosecurity Pte. Ltd

Website: https://ensigninfosecurity.com/

Headquarter Location: Singapore, Central Region, Singapore

Employee Count: 501-1000

Year Founded: 2018

IPO Status: Private

Industries: Cloud Security ⋅ Consulting ⋅ Cyber Security ⋅ Identity Management ⋅ Information and Communications Technology (ICT) ⋅ Information Technology ⋅ Internet ⋅ Network Security ⋅ Penetration Testing ⋅ Professional Services