CS
CSITInfra Security Engineer
LocationSingapore, Singapore
Work modeon-site
Typefull-time
SeniorityMid
Experience2+ yrs
DepartmentCloud Infrastructure and Services, Cloud Infrastructure
Company size501–1,000 people
PostedNov 10, 2025 · 11mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
A degree or professional qualification in Computer Science, Computer or Electrical Engineering, Information Technology or a STEM qualification with relevant experience.
Proficient in infra-as-code and scripting tools like Ansible, Terraform, Linux shell scripts, Powershell, etc.
Knowledge in IT Infrastructure (i.e. Networks, Systems, Storage) and Infra Operations.
System operations and administration experience on enterprise systems.
At least 2 years of relevant working experience, including scripting and programming is preferred.
Familiar with metrics/logging systems such as Elastic Stack and Prometheus/Grafana.
Only Singapore Citizens will be considered.
Skills
Ansible
Terraform
Linux shell scripts
Powershell
Elastic Stack
Prometheus
Grafana
About the role
You will be part of a dynamic team responsible for exploring, designing, building and maintaining our infra security services. You must ensure the reliability, availability and security of the infra platform and services by implementing automation, monitoring and incident response. You must have a good understanding of IT architecture, cybersecurity capabilities, site reliability engineering (SRE) and an analytical mind to troubleshoot and analyse any security related incidents.
Responsibilities
•
Design and implement cyber security products and services that are scalable and reliable.
•
Develop and maintain automation tools and scripts to scale security services, including the use of infra-as-code.
•
Build-in observability for monitoring, to assist in problem diagnosis and provide insights to security systems health and performance.
•
Respond to security incidents and systems outages by performing root cause analysis on the security products and services.
•
Define, track, and report on security systems SLO, SLI and error budgets.
•
Collaborate with infra engineers to integrate security products and services.
•
Implement and adhere to cyber and infra security best practices for infra systems and services.
Requirements (Minimum Qualifications)
•
A degree or professional qualification in Computer Science, Computer or Electrical Engineering, Information Technology or a STEM qualification with relevant experience.
•
Proficient in infra-as-code and scripting tools like Ansible, Terraform, Linux shell scripts, Powershell, etc.
•
Knowledge in IT Infrastructure (i.e. Networks, Systems, Storage) and Infra Operations.
•
System operations and administration experience on enterprise systems.
•
At least 2 years of relevant working experience, including scripting and programming is preferred.
Nice to Have
•
Familiar with metrics/logging systems such as Elastic Stack and Prometheus/Grafana.
Legal
As CSIT is an agency under the Ministry of Defence (Singapore), only Singapore Citizens will be considered.
More roles at CSIT
Data Engineer (Big Data Processing)Study of Linux Malware and Development of Detection Tool (Internship Project)Study of Network Devices (Enterprise / SOHO) Vulnerabilities and Exploits (Internship Project)Workplace Platform Engineer InternUnderstanding Malware through Security Products Research (Internship Project)