Sr Operation Mgmt Specialist

Lenovo; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A global technology company is seeking a Level 2 Cloud Engineer in Singapore to support Windows and Linux workloads hosted on AWS. The role involves operational support, validation, and troubleshooting as well as working with cloud, network, and security teams in a regulated environment. Candidates should have over 5 years of OS support experience and 2 years of AWS workload support. This opportunity offers a chance to work in a dynamic, technology-driven environment with competitive benefits.

Qualifications

• 5+ years of hands-on OS support experience across Windows and/or Linux.
• 2+ years supporting workloads on AWS.
• Proven experience in enterprise or regulated environments.

Responsibilities

• Provide Level 2 operational support for Windows Server and Linux distributions.
• Support AWS workloads with core services like EC2, EBS, and S3.
• Manage network, ingress and egress traffic for AWS environments.

Skills

Windows Server administration

AWS operational experience

PowerShell

Bash / Shell scripting

Incident triage capability

Education

AWS Certified SysOps Administrator – Associate

AWS Certified Solutions Architect – Associate

Microsoft Windows Server or Hybrid Administrator certification

Linux certifications (RHCSA or equivalent)

Tools

EC2

CloudWatch

AWS Systems Manager

Job description

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 www.lenovo.com , and read about the latest news via our StoryHub .

Description and Requirements

Role Overview

We are seeking a Level 2 Cloud Engineer to support and operate Windows and Linux workloads hosted on AWS, within a secure, multi‑account cloud environment covering UAT and Production.

This role focuses on day‑to‑day operational support, validation, troubleshooting, and remediation for OS‑level and cloud services, supporting AWS infrastructure initiatives involving secure ingress/egress, network firewalls, load balancers, and controlled connectivity. The engineer will work closely with cloud, network, and security teams in a regulated enterprise environment.

Key Responsibilities

• Provide Level 2 operational support for:
  • Windows Server (2016 / 2019 / 2022)
  • Linux distributions (RHEL, Amazon Linux, Ubuntu)
• Perform OS‑level troubleshooting, service restarts, performance checks, and log analysis.
• Windows: AD, DNS, GPO, WSUS
• Handle incidents, problems, and service requests via ITSM tools.

2. AWS Cloud Operations Support

• Support workloads running on core AWS services:
  • EC2, EBS, S3
  • AWS Systems Manager (SSM) – Run Command, Patch Manager, Session Manager
  • Amazon CloudWatch – logs, metrics, alarms
• Assist with:
  • Instance provisioning and validation
  • Start/stop, resize, snapshot, and recovery activities
• Support UAT and PROD operational readiness and BAU handover.

3. Network, Ingress & Egress Support (Mandatory)

• Support AWS environments with:
  • Internet and Intranet-based ingress and egress traffic flows
  • VPCs, subnets, route tables, and security groups
  • Integration with web security and traffic management services such as AWS WAF
• Work with network and security teams to:
  • Validate end‑to‑end connectivity paths for Windows and Linux servers
  • Design and support Layer 4 and Layer 7 load balancing using AWS Network Load Balancer and AWS Application Load Balancer
  • Implement and manage API exposure and routing using Amazon API Gateway
  • Configure and support forward and reverse proxy solutions (e.g., NGINX)
  • Troubleshoot connectivity, DNS resolution, proxy routing, and firewall‑related issues
• Support secure ingress and egress architecture by:
  • Implementing reverse proxy, forward proxy, and web application firewall (WAF) patterns
  • Ensuring secure access control, SSL/TLS termination, and traffic inspection
• Perform post‑implementation testing and verification from the OS and network perspective to ensure end‑to‑end connectivity and application accessibility
• Support and remediate findings related to:
  • CIS hardening benchmarks (Windows & Linux)
  • Vulnerability scans and compliance checks
• Assist with:
  • IAM role usage and least‑privilege access at instance level
  • Endpoint protection / monitoring agents (EDR/XDR)
• Participate in audits, evidence collection, and compliance activities.

5. Patch Management & Automation

• Perform OS patching for:
  • Windows (WSUS / SCCM / SSM Patch Manager)
  • Linux (yum / apt / SSM Patch Manager)
• Support automation and remediation using:
  • PowerShell (Windows)
  • Shell scripting (bash) (Linux)
  • AWS CLI
• Participate in scheduled maintenance windows and on‑call rotations.

6. Documentation & Operational Readiness

• Create and maintain:
  • Runbooks
  • SOPs
  • Knowledge articles
• Support operational handover from project build to steady‑state support.

Required Skills & Experience

Core Experience

• 5+ years of hands‑on OS support experience across Windows and/or Linux.
• 2+ years supporting workloads on AWS.
• Experience operating in enterprise or regulated environments.

Technical Skills (Must‑Have)

• Windows Server administration (2016/2019/2022).
• AWS operational experience with:
  • EC2, EBS, S3
  • IAM (roles and instance profiles – operational usage)
  • Systems Manager (SSM)
  • CloudWatch
• Understanding of:
  • VPC fundamentals
  • Security groups and basic routing
  • Load balancer integrations (NLB awareness)
• PowerShell (Windows)
• Bash / Shell scripting (Linux)

Preferred Skills & Certifications

• AWS Certified SysOps Administrator – Associate
• AWS Certified Solutions Architect – Associate
• Microsoft Windows Server or Hybrid Administrator certification
• Linux certifications (RHCSA or equivalent)
• ITIL Foundation (v3/v4)

Soft Skills

• Strong troubleshooting and incident triage capability.
• Clear communicator able to work with cloud, network, and security teams.
• Process‑driven and comfortable working with runbooks and controls.
• Proactive, ownership mindset with willingness to upskill.

Additional Locations

• Singapore - Central Singapore - Singapore
• Singapore - Central Singapore - SINGAPORE

If you require an accommodation to complete this application, please [e-mail]