Senior AWS Cloud & Infrastructure Engineer (L3)

SAGL CONSULTING PTE. LTD.; Singapore; Presencial; SGD 150.000 - 200.000; Jornada completa

Descripción de la vacante

SAGL CONSULTING PTE. LTD. is seeking a senior AWS Cloud Engineer in Singapore responsible for handling complex escalations, infrastructure optimisation and production support across AWS services and Windows/Linux environments.

You will lead root cause analysis, implement HA/DR and automation, and ensure security hardening while supporting L1/L2 escalations. The role focuses on advanced cloud infrastructure and production stability.

Formación

• Minimum 6 years of overall relevant experience.
• Minimum 5 years in AWS/Cloud and Windows/Linux infrastructure operations.
• AWS Certified Solutions Architect - Professional and/or AWS Certified DevOps Engineer - Professional required.

Responsabilidades

• Provide L3 technical support across AWS cloud services and operating systems.
• Administer and troubleshoot AWS EC2, Lambda, ECS, S3, IAM, KMS, WAF and Route 53.
• Manage AWS CloudWatch monitoring and AWS Backup services.
• Perform advanced Windows and Linux troubleshooting.
• Lead root cause analysis for recurring and critical infrastructure incidents.
• Analyse infrastructure performance and implement optimisation measures.
• Support automation of cloud and operating system administration tasks.
• Design and support High Availability (HA) and Disaster Recovery (DR) solutions.
• Execute complex infrastructure changes and validate implementation.
• Support cloud security, IAM, KMS, WAF and OS hardening.
• Provide technical escalation support to L1 and L2 engineers.

Conocimientos

Root cause analysis

Automation

Performance optimization

Educación

Bachelor's degree in IT/CS

Herramientas

EC2

Lambda

ECS

S3

IAM

KMS

WAF

Route 53

CloudWatch

Descripción del empleo

Job Description

We are looking for a senior AWS Cloud Engineer with strong expertise in cloud infrastructure and Windows/Linux systems to handle complex technical escalations, infrastructure optimisation and production support.

Key Responsibilities

• Provide L3 technical support across AWS cloud services and operating systems.
• Administer and troubleshoot AWS EC2, Lambda, ECS, S3, IAM, KMS, WAF and Route 53.
• Manage AWS CloudWatch monitoring and AWS Backup services.
• Perform advanced Windows and Linux troubleshooting.
• Lead root cause analysis for recurring and critical infrastructure incidents.
• Analyse infrastructure performance and implement optimisation measures.
• Support automation of cloud and operating system administration tasks.
• Design and support High Availability (HA) and Disaster Recovery (DR) solutions.
• Execute complex infrastructure changes and validate implementation.
• Support cloud security, IAM, KMS, WAF and OS hardening.
• Provide technical escalation support to L1 and L2 engineers.

Requirements

• Minimum 6 years of overall relevant experience.
• Minimum 5 years in AWS/Cloud and Windows/Linux infrastructure operations.
• Strong hands‑on experience with EC2, Lambda, ECS, S3, IAM, KMS, WAF, Route 53 and CloudWatch.
• Strong Windows and Linux administration and troubleshooting skills.
• Experience in automation, HA/DR, performance optimisation and root cause analysis.
• Experience handling complex production infrastructure incidents.
• Bachelor's degree in IT, Computer Science or equivalent qualification.
• AWS Certified Solutions Architect - Professional and/or AWS Certified DevOps Engineer - Professional certification required.

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