Cloud Engineer - L3
THE HACENS TALENT PTE. LTD.Islandwide, SG29 days ago
Job descriptionWith working knowledge, able to maintain infrastructure deployment pipelines with 1 of the following : Terraform, Ansible, and / or Azure Resource Manager (ARM) templates Troubleshoot environment drift and pipeline failures across multi-cloud environments. Promote and be empowered to drive automation in cloud operations and continuous improvement initiatives. Implement and maintain GitOps practices for infrastructure deployment Lead OS patching operations across RHEL (v8 to v10) and Windows Server (2016→2025) using AWS Patch Manager, Azure Update Management, WSUS, SCCM, and YUM / DNF Maintain basic knowledge of Linux administration with deep expertise in Wintel Operating System patching and management Schedule, automate, and track patches across all environments Coordinate patch approvals and ensure compliance with organizational policies Execute monthly and quarterly patch cycles with minimal disruption Perform post-patch validation and remediation activities Deploy and troubleshoot applications across Windows and Linux operating systems Support application teams with OS-level diagnostics and performance optimization Collaborate with development teams to resolve infrastructure and OS-related application issues Implement and maintain application monitoring and alerting frameworks Execute CIS (Center for Internet Security) security remediations across cloud platforms Perform security hardening based on CIS Benchmarks and government security baselines Conduct vulnerability remediation using tools such as Trend Micro Vision One, Qualys, Tenable, and AWS Config Track SSL certificate renewals across all environments Identify and remediate End-of-Life (EOL) components including OS versions and Lambda runtimes Support compliance with government-level security, audit, and regulatory requirements Demonstrate knowledge of container technologies (Docker, Kubernetes, ECS, EKS, AKS, GKE) Familiarity or insights of DevSecOps practices using SHIP-HATS (Secure Hybrid Integration Pipeline - Hive Agile Testing Solutions) under Singapore Government technology stack Support CI / CD pipeline operations and integration with security scanning tools Adhere to ITIL processes including Incident, Problem, Change, and Request Management Manage and resolve ITSM tickets via ServiceNow, Jira, or similar platforms Drive ITSM ticket escalation between engineering teams and stakeholders Coordinate change management activities and participate in Change Advisory Board (CAB) reviews with junior engineers. Maintain service level agreements (SLAs) and operational level agreements (OLAs) Integrate third-party tools including NGINX, monitoring dashboards, and observability stacks Configure and maintain observability tools for metrics, logs, and alerts across multi-cloud environments Implement log aggregation and analysis using CloudWatch, Azure Monitor, and GCP Cloud Logging Create and maintain comprehensive infrastructure runbooks, system documentation, and change tracking logs and infrastructure architecture design of Application assigned. Develop standard operating procedures (SOPs) and knowledge base articles Ensure audit-readiness through meticulous documentation discipline Maintain configuration management databases (CMDB) and asset inventories Provide technical guidance and mentorship to Level 2 and junior engineers Lead technical discussions and architecture reviews Facilitate knowledge transfer sessions and training programs Act as escalation point for complex technical issues Drive continuous improvement initiatives and best practice adoption Problem Solving – Advanced troubleshooting of complex multi-cloud systems Communication – Clear and effective communication with technical and non-technical teams, stakeholders, and management Leadership – Ability to guide teams and drive technical initiatives Collaboration – Cross-functional teamwork across engineering, security, and business teams Adaptability – Responsive and effective in rapidly changing environments Accountability / Attention to Detail – Takes ownership of outcomes and service delivery, ensures accurate and secure implementations Customer Focus – Supportive, service-oriented approach with stakeholder management Continuous Learning – Stays current with evolving cloud and security practices Resilience – Performs effectively under pressure and during incident response Mentorship – Develops and supports junior team engineers Proficiency across Amazon Web Services with working knowledge of Azure and GCP Proven experience in uptime-critical and compliance-driven environments Strong mentorship and leadership capabilities for junior and mid-level engineers Proactive initiative in incident prevention and operational excellence Calm, structured, and methodical approach to incident handling with strict adherence to change management and incident response processes Audit-readiness mindset with comprehensive documentation practices Ability to drive escalations and manage stakeholder communications effectively Experience working within Singapore Government technology frameworks Bachelor's degree in Computer Science, Information Systems, or related field Minimum 3 years of experience in Commercial Cloud Engineering roles At least 2 years of experience in public sector or regulated cloud environments Minimum 3 years of hands-on experience with AWS or Microsoft Azure or Google Cloud Platform Experience in 24 / 7 operational support environments with shift rotation Demonstrated experience in mentoring and leading junior engineers Strong background in ITIL processes and ITSM platforms with experiences on CIS security hardening and remediation Familiarity with Singapore Government technology standards and frameworks (e.g., SHIP-HATS, IM8 Policy) AWS Certified Solutions Architect – Associate / Professional AWS Certified SysOps Administrator – Associate (preferred) Microsoft Certified : Azure Administrator Associate or Azure Solutions Architect Expert Microsoft Certified : Windows Server Hybrid Administrator Associate RHCE or Linux Professional Institute Certification (LPIC) ITIL v3 / v4 Foundation
Roles & Responsibilities
Job Summary :
We are seeking a highly skilled and experienced Cloud Engineer lead (Level 3) to support cloud infrastructure for Commercial and Singapore Government-appointed agency operating across commercial cloud platforms. This role requires experiences managing multi-cloud environments predominantly on Amazon Web Services (AWS), with knowledge in Microsoft Azure and Google Cloud Platform (GCP). The ideal candidate will demonstrate strong Infrastructure-as-Code (IaC) capabilities, comprehensive OS lifecycle and patching operations, application deployment and troubleshooting expertise, and proactive operational leadership. This role emphasizes hands-on technical proficiency, security awareness, automation-driven practices, mentorship capabilities, and familiarity with strict uptime, compliance, and audit requirements in network separation environments.
Key Responsibilities :
Multi-Cloud Infrastructure Operations
- Operate and maintain cloud-native services in production across AWS, Microsoft Azure, and Google Cloud Platform :
- Hands-on experience with cloud services including : Lambda, ECS / EKS, FSx, Glue, SES, GuardDuty, WAF, Shield Advanced, Security Hub, KMS, Secret Manager, SNS, SQS, EventBridge, API Gateway, EC2, S3, CloudWatch, Systems Manager, Azure Virtual Machines, Azure Kubernetes Service (AKS), Azure Functions, Azure Storage, Azure Monitor, Compute Engine, Google Kubernetes Engine (GKE), Cloud Functions, Cloud Storage, Cloud Monitoring
- Monitor and troubleshoot infrastructure performance, uptime, and scalability across all platforms
- Support production and staging environments with 24 / 7 reliability objectives
- Able to participate in 24 / 7 shift rotation to provide round-the-clock operational support and assist a team of L2 engineers with hands-on troubleshooting of technical issues.
Infrastructure as Code (IaC)
Operating System Lifecycle & Patch Management
Application Deployment & Troubleshooting
Security & Compliance
Container & DevSecOps
ITIL & Service Management
Tool Integration & Observability
Documentation & Knowledge Management
Leadership & Mentorship
Soft Skills & Competencies
SME Expectations – Role Behavior
This Subject Matter Expert (SME) role requires :
Required Qualifications :
Preferred Certifications :
Tell employers what skills you have
Microsoft Azure
Troubleshooting
Kubernetes
Azure
AWS
Architect
Cloud Storage
Amazon Web Services
Private Cloud
EC2
JIRA
Architecture Design
Docker
GCP
Cloud
ITIL
Ansible
S3
Linux
Amazon Cloud
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Cloud Engineer • Islandwide, SG
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