Skip to content
Search jobs inside your AI agent. Claude, ChatGPT, Claude Code, Codex, Gemini, Cursor and Grok
Connect

SAGL CONSULTING PTE. LTD.

NewBe an early applicant

Senior AWS Cloud & Infrastructure Engineer (L3)

Posted Updated
Discussion

Summary

Senior (L3) cloud infrastructure engineer at an IT consulting firm in Singapore: handles escalated AWS production incidents, root cause analysis, HA/DR design, and infrastructure optimisation across EC2, Lambda, ECS, S3, IAM, KMS, WAF, Route 53 and CloudWatch, with advanced Windows/Linux administration and escalation support to L1/L2 engineers.

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.

    #AWS #AWSArchitecture #CloudInfrastructure #Linux #WindowsServer #AWSBackup #DisasterRecovery #CloudOperations

Skills

What Senior DevOps jobs ask for — and how much of it you have →
Apply

See also

DevOps jobs by country — openings, pay and top skills →