Senior DevSecOps Engineer

USER EXPERIENCE RESEARCHERS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

USER EXPERIENCE RESEARCHERS PTE. LTD. in Singapore is seeking a DevSecOps Engineer to design, build, and operate secure, cloud-native infrastructure on AWS for a public sector modernization project.

You will embed security across the development lifecycle, implement IaC and automated security checks, and mentor engineers while collaborating with security and operations teams.

Qualifications

• 7+ years of experience, including 2–3 years defining secure cloud architecture or leading DevSecOps.
• Experience with government or public sector security and compliance requirements is an advantage.
• Senior Consultant: ability to influence engineering teams and explain security trade-offs.

Responsibilities

• Set up secure cloud-native infra on AWS using IaC (Terraform) across dev, staging, and production.
• Apply least-privilege IAM, network isolation, and encryption at rest/in transit.
• Integrate SAST, secret scanning, and IaC checks into GitLab CI/CD pipelines.
• Set up monitoring and observability with Dynatrace or Datadog.
• Support production deployments and maintain runbooks.
• Define security baseline and guide the team on DevSecOps practices.
• Work with security teams on security reviews and remediation of findings.

Skills

AWS

Terraform

Docker

Kubernetes (EKS)

CI/CD

Security

Security Scanning Tools

Observability

Production Operations

Tools

Dynatrace

Datadog

Job description

We are looking for DevSecOps Engineer to design, build, and operate secure, cloud-native, containerised infrastructure on AWS for a public sector modernisation project. The role combines infrastructure engineering, cloud security, and secure software delivery, embedding security across infrastructure and the development lifecycle.

Key Responsibilities:

• Set up modern cloud-native, containerised infrastructure on AWS using Infrastructure as Code (e.g. Terraform), covering VPC networking, EKS/ECS, RDS, and container registry across dev, staging, and production environments.
• Apply cloud security practices and controls, including least-privilege IAM, EKS Pod Identity, network isolation, system and container hardening, mTLS, secrets management, and encryption at rest and in transit.
• Build security into the development process by integrating SAST, dependency, secret, container image, and IaC scanning into GitLab CI/CD pipelines, with defined pass/fail gates.
• Set up and maintain monitoring, alerting, and observability using tools such as Dynatrace or Datadog.
• Support production deployments and incident resolution, including writing and maintaining runbooks.
• Design, implement, and regularly test backup and restore procedures.
• Integrate infrastructure with identity and access controls (e.g. enterprise directory services, SAML, OIDC, and access management platforms).
• Define the secured infrastructure architecture and security baseline for the platform.
• Set up and govern secure infrastructure standards, guardrails, and practices across the team.
• Provide guidance and mentoring to engineers on secure infrastructure and DevSecOps practices.
• Work with security teams on security reviews, compliance requirements, and remediation of findings.

Requirements:

Experience

• Senior Consultant: 7+ years of experience, including at least 2-3 years defining secure cloud architecture or leading DevSecOps implementation.
• Experience with government or public sector security and compliance requirements is an advantage.

Technical Skills (Must Have)

• AWS: Hands-on experience with setting up AWS cloud infrastructure.
• Infrastructure as Code: Hands-on experience with Terraform (or equivalent).
• Containers: Hands-on experience with Docker, Kubernetes (EKS).
• CI/CD: Hands-on experience in setting up CI/CD.
• Security: Hands-on experience with application and infrastructure security practices.
• Security Scanning Tools: Hands-on experience with security scanning tools.
• Observability: Hands-on experience with at least one observability tool.
• Operations: Hands-on experience in production operations.

Technical Skills (Good to Have)

• Familiarity with observability tools such as Dynatrace and Datadog.
• Familiarity with building, containerising, and deploying applications in Golang, Kotlin, and Next.js/TypeScript, and with operating a workflow engine such as Temporal on Kubernetes.
• Identity: Experience with enterprise directory services, SAML, OIDC, and access management platforms.
• Trend Micro FAM and other infrastructure/container security tooling.
• OutSystems, Oracle Policy Automation (OPA) / Oracle Intelligent Advisor (OIA), Sitefinity, Oracle technologies.

Soft Skills

• Security-first mindset with a practical, delivery-focused approach.
• Clear documentation and communication skills.
• Senior Consultant: Ability to influence engineering teams and explain security trade-offs to stakeholders.