Wintel Cloud Engineer (L3)- AWS at Opensource Pte Ltd
Singapore, , Singapore -
Full Time


Start Date

Immediate

Expiry Date

26 Nov, 25

Salary

8000.0

Posted On

26 Aug, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Windows, Documentation, Continuous Improvement, Aws, Computer Science, Firewalls, Information Technology, Learning, Mentoring, Ticketing Tools, Communication Skills, Ec2, Kms, Soft Skills, Load Balancing, Veeam

Industry

Information Technology/IT

Description

JOB SUMMARY

We are seeking a highly skilled and experienced Level 3 Wintel Cloud Engineer to lead the support, automation, optimization, and transformation of Windows-based infrastructure across cloud and hybrid environments.
This role requires in-depth hands-on experience in AWS, strong PowerShell scripting, and a security-first mindset . You will act as a Subject Matter Expert (SME) for AWS-hosted Windows workloads, supporting mission-critical services in regulated environments (e.g., Government Commercial Cloud).

REQUIRED QUALIFICATIONS

  • Bachelor’s degree in Computer Science, Information Technology, or a related field.
  • 5+ years of hands-on experience in Windows infrastructure support .
  • 2+ years of hands-on experience in AWS Cloud (Windows workloads) .
  • Deep expertise in AWS services: EC2, IAM, CloudWatch, Systems Manager, S3, VPC, ELB, EBS, KMS, CloudTrail, Config .
  • Strong PowerShell scripting and automation skills.
  • Exposure to Terraform or CloudFormation for infrastructure deployment.
  • Knowledge of backup/recovery solutions (e.g., AWS Backup, Veeam ) for Windows on AWS.
  • Solid understanding of networking, firewalls, routing, load balancing, and security best practices .
  • Experience with CIS Benchmarks, IAM role analysis, and patch management tools .
  • Familiarity with ITIL practices and enterprise ticketing tools (e.g., ServiceNow, Jira).
  • Experience working in regulated environments (finance, healthcare, public sector, GCC) is highly desirable.

SOFT SKILLS

  • Strong analytical and problem-solving skills with an ability to handle high-pressure incidents .
  • Excellent communication skills to translate technical issues to non-technical stakeholders.
  • Demonstrated leadership in mentoring, documentation, and guiding junior staff .
  • Ability to prioritize and manage multiple tasks effectively in a dynamic environment.
  • Collaborative mindset with a commitment to continuous improvement and learning .
Responsibilities
  • Provide expert-level support for Windows Server (2016/2019/2022) in AWS and hybrid environments.
  • Lead complex root cause analysis (RCA) and drive incident resolution for escalated issues from L1/L2 teams.
  • Manage and optimize EC2, EBS, S3, CloudWatch, IAM, and Systems Manager for Windows workloads.
  • Implement advanced automation using PowerShell, AWS CLI, and SSM Documents .
  • Administer Active Directory, DNS, DHCP, Group Policy, ADCS , and hybrid identity integration (AD Connect).
  • Ensure security compliance through CIS hardening, patch management, and vulnerability remediation (Cloudscape/VMS).
  • Integrate and support EDR/XDR tools like Trend Micro Vision One for endpoint protection and response.
  • Review and remediate IAM permissions using IAM Access Analyzer , ensuring least privilege principles.
  • Collaborate with architects and DevOps teams on scalable, high-availability infrastructure design and deployment.
  • Develop and maintain Infrastructure-as-Code (IaC) templates using CloudFormation or Terraform .
  • Establish and enforce monitoring and alerting standards using AWS native and third-party tools (e.g., CloudWatch, Datadog).
  • Participate in and lead change management, capacity planning, DR drills, and compliance audits .
  • Provide technical mentoring to L1/L2 engineers and support documentation and knowledge base development.
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