Job Description

Sr Operation Mgmt Specialist
General Information
Req #
WD00089295
Career area:
Information Technology
Country/Region:
Singapore
State:
Central Singapore
City:
SINGAPORE
Date:
Thursday, October 9, 2025
Working time:
Full-time
Additional Locations:

• Singapore - Central Singapore - Singapore

• Singapore - Central Singapore - SINGAPORE

Why Work at Lenovo
We are Lenovo. We do what we say. We own what we do. We WOW our customers.
Lenovo is a US$69 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world's largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY).
This transformation together with Lenovo's world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit , and read about the latest news via our .
Description and Requirements
Job Summary
We are seeking a skilled and experienced Cloud Engineer to support a secure and scalable cloud infrastructure for a Singapore Government-appointed agency operating on commercial cloud platforms. This Subject Matter Expert (SME) role requires real-world experience in managing multi-service cloud environments using AWS, strong Infrastructure-as-Code (IaC) capabilities, lifecycle and patching operations, and proactive operational support. The ideal candidate will be hands-on, security-aware, automation-driven, and familiar with strict uptime, compliance, and audit requirements.
Key Responsibilities
Cloud Infrastructure Operations

• Operate and maintain AWS-native services in production, including Lambda, ECS, EKS, FSx, Redshift, Glue, Neptune, SES, GuardDuty, WAF, Shield Advanced, Security Hub, KMS, Secret Manager, SNS, SQS, EventBridge, SageMaker, API Gateway.
• Ensure uptime, availability, and secure operations.
• Monitor infrastructure, manage alerts, and support production incidents.

Infrastructure as Code (IaC)

• Design and maintain infrastructure deployment pipelines using Terraform, CloudFormation, and Ansible.
• Troubleshoot environment drift and pipeline failures.
• Promote automation in cloud operations.

OS Lifecycle & Patch Management

• Manage patching across RHEL (v8?v9) and Windows Server (2016?2025) using AWS Patch Manager, WSUS, and YUM/DNF.
• Schedule, automate, and track patches.
• Coordinate approvals and ensure compliance.

SSL and EOL Management

• Track SSL certificate renewals across environments.
• Identify and remediate EOL components like OS versions and Lambda runtimes.

Tool Integration & Interoperability

• Integrate tools like NGINX and input into the observability stack.
• Work with SRE teams to enhance infrastructure monitoring.

Documentation & Reporting

• Maintain infrastructure runbooks, patch/change logs, post-mortem reports, and audit artifacts.

Soft Skills & Competencies

• Problem Solving - Troubleshooting complex systems
• Communication - Clear with technical and non-technical teams
• Collaboration - Cross-functional teamwork
• Adaptability - Responsive in changing environments
• Accountability - Takes ownership of outcomes
• Attention to Detail - Accurate and secure implementations
• Customer Focus - Supportive and service-oriented
• Time Management - Prioritizes critical tasks effectively
• Continuous Learning - Keeps up with cloud and security practices
• Resilience - Performs under pressure and in incidents

SME Expectations - Role Behavior
This Subject Matter Expert (SME) role requires:

• Proficiency across AWS services and architecture.
• Experience in uptime-critical and compliant environments.
• Mentorship capabilities for junior engineers.
• Initiative and proactive incident prevention.
• Calm and structured incident handling.
• Adherence to change and incident processes.
• Audit-readiness and documentation discipline.

Technical Skills & Experience
Area Skills Required
Cloud Hands-on with AWS services in production
IaC Terraform, CloudFormation, Ansible
OS RHEL & Windows Server administration
Patching AWS Patch Manager, WSUS, YUM/DNF
SSL/EOL Managed certs and lifecycle remediation
Documentation Runbooks, change logs, compliance docs
Required Qualifications

• Bachelor's degree in computer science, Information Systems, or a related field
• Minimum 6 years' experience in DevOps / SRE roles, with at least 4 years on public sector or regulated Cloud environment
• AWS Certified Solutions Architect
• RHCE or Microsoft Server Admin
• ITIL v4 Foundation (preferred)

Additional Locations:

• Singapore - Central Singapore - Singapore

• Singapore - Central Singapore - SINGAPORE

• Singapore

• Singapore - Central Singapore

• Singapore - Central Singapore - Singapore , * Singapore - Central Singapore - SINGAPORE

Skills Required