Share this Job

Senior Security Dev Engineer Cyber Range

Date: 18-Mar-2023

Location: Singapore, Singapore

Company: Singtel Group

At Singtel, we believe in the strength of a vibrant, diverse and inclusive workforce where backgrounds, perspectives and life experiences of our people help us innovate and create strong connections with our customers. We strive to ensure all our people practices are non-discriminatory and provide a fair, performance-based work culture that is diverse, inclusive and collaborative. 

Join us and experience what it’s like to be with an Employer of Choice*. Together, let’s create a brighter digital future for all. *Awarded at the HR Fest Awards 2020.



  • Maintain, manage and enhance simulation environment of network switches, virtualisation servers, desktop end-points, servers and security solutions
  • Configure and customise environment so as to simulate customers’ IT environment
  • Use tools and appliances to create and execute cyber-attacks within the environment as per customers’ requirement or to simulate and test the latest cyber-attack trends
  • Assess blue team’s performance during cyber exercise and produce after action reports
  • Conduct presentation sessions that demonstrate cyber-attack scenarios and security solutions
  • Keep up-to-date with latest security solutions, news, trends, offensive techniques and tools
  • Engage in pre-sales activity such as assessment of client needs, project scoping and proposal writing



  • Bachelor's degree, preferably in computer science or information systems, or equivalent work experience
  • Minimum two years’ professional experience in penetration testing or ethical hacking
  • Technical knowledge across wide range of technologies used in enterprise IT environment
  • Knowledge in network switching, Linux and Windows environment and various security appliances such as firewalls, WAF and SIEM
  • Proficient with manual and automated penetration testing tools
  • Abe to exploit security vulnerabilities in servers to gain access into IT environment, perform lateral movement and filtrate data out 
  • Customer-focused with strong communication, documentation, presentation skills
  • Able to work in fast-paced environment and a fast learner
  • Security certifications such as OSCP, OSWP, GPEN, GWAPT, CREST desired