Cyber Infrastructure Engineer (OpenShift)

Posted:
4/9/2026, 11:54:48 AM

Experience Level(s):
Mid Level ⋅ Senior

Field(s):
DevOps & Infrastructure ⋅ Software Engineering

Ensign is hiring !

Key Responsibilities

  • Provide technical leadership for the Container Orchestration and Automation team, driving architectural decisions, solution design, and technical governance.
  • Lead the transformation of legacy application environments to modern containerised platforms across both on-premises and cloud environments.
  • Serve as the Subject Matter Expert (SME) for container technologies, guiding engineers in adoption, best practices, and operational standards.
  • Design, deploy, and configure Container Orchestration platforms such as OpenShift Container Platform (OCP) and Kubernetes (K8s) for on-premises and cloud environments.
  • Architect and implement cloud infrastructure using Infrastructure as Code (IaC) across multi-cloud platforms (AWS, Microsoft Azure, GCP).
  • Implement system hardening in accordance with industry best practices and security and compliance requirements.
  • Provide Level 2 (L2) support, including incident management, root cause analysis, patch management, and change implementation.
  • Lead container platform installation, migration, and upgrade projects, ensuring high availability and minimal service disruption.
  • Contribute to infrastructure roadmap planning with emphasis on scalability, resiliency, automation, and security.
  • Manage and coordinate with third-party vendors to ensure service delivery quality and compliance with SLAs.
  • Foster a culture of continuous improvement, innovation, and security awareness within the team.

Requirements / Qualifications

  • Bachelor’s Degree in Computer Science, Information Technology, Engineering, or related discipline.
  • Minimum 5–8 years of experience in infrastructure engineering, with at least 3 years focused on containerisation and orchestration platforms.
  • Strong hands-on experience with Kubernetes and enterprise container platforms (e.g., OpenShift).
  • Proven experience designing and implementing multi-cloud infrastructure (AWS, Azure, GCP).
  • Solid experience with Infrastructure as Code tools such as Terraform, Ansible, or equivalent automation frameworks.
  • Good understanding of Linux systems administration, networking fundamentals, and security hardening principles.
  • Experience supporting production environments with exposure to incident, change, and problem management processes.
  • Familiarity with DevOps practices, CI/CD pipelines, and automation tooling.
  • Strong stakeholder management and communication skills, with the ability to guide and mentor junior engineers.
  • Relevant certifications (preferred), such as:
    • Certified Kubernetes Administrator (CKA) / Certified Kubernetes Application Developer (CKAD)
    • Red Hat OpenShift Certification
    • AWS / Azure / GCP Professional-level certifications
    • Security-related certifications are an advantage

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