Sr Operation Mgmt Specialist
Company: Lenovo
Role summary
Sr Operation Mgmt Specialist is a full-time role at Lenovo in Singapore, Singapore (on-site). Posted 2026-10-02. Experience level: 5-10.
- Job title
- Sr Operation Mgmt Specialist
- Company
- Lenovo
- Location
- Singapore, Singapore
- Work arrangement
- on-site
- Employment type
- full-time
- Category
- Software Engineering
- Experience level
- 5-10
- Date posted
- 2026-10-02
Here's a fantastic opportunity at Lenovo, a global tech leader, where you can really make a mark! They're looking for someone with operational expertise to join their team, offering a stable, full-time role with great potential for growth within a company that values ownership and customer satisfaction.
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$83 billion revenue global technology powerhouse, ranked #153 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
Cloud Engineer – AWS (Windows & Linux)
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
1. Windows & Linux OS Support (L2)
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.
Support core platform services: Windows : AD, DNS, GPO, WSUS
Linux : systemd services, cron, filesystem, package management (yum/apt)
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
4. Security, Hardening & Compliance Support
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).
Linux administration (RHEL / Amazon Linux / Ubuntu).
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)
Scripting skills: 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 - SI