Level 3 AWS Cloud Linux Engineer - Toa Payoh

Job Overview:

The role requires expertise in managing and troubleshooting cloud-based environments, ensuring high availability, scalability, and security of AWS infrastructure.

Working hour: Mon-Fri, 9am-6pm

Technical Expertise Checklist:

• Strong proficiency in Linux server administration including installation, configuration, troubleshooting, and system performance tuning.
• Experience with AWS cloud services, including but not limited to EC2, S3, IAM, VPC, Route53, Lambda, and CloudWatch.
• Knowledge of networking concepts such as IP addressing, DNS, VPN, load balancing, and firewalls in a cloud environment.
• Experience in infrastructure-as-code (IAC) using tools such as Terraform, CloudFormation, or Ansible.
• Scripting skills in Bash, Python, or PowerShell to automate tasks

Key Responsibilities:

AWS Cloud Infrastructure Management:

• Design, implement, and maintain cloud-based solutions on Amazon Web Services (AWS), focusing on EC2, S3, VPC, IAM, Lambda, CloudFormation, and other AWS services.
• Manage the configuration and provisioning of cloud resources, ensuring infrastructure is efficient, secure, and scalable.
• Monitor, analyze, and optimize AWS resource utilization and costs.

Linux Systems Administration:

• Administer, configure, and maintain Linux servers (Ubuntu, CentOS, Red Hat, etc.) across the cloud infrastructure.
• Ensure high availability and fault tolerance through the use of automation, redundancy, and load balancing.
• Perform security hardening, patch management, and system upgrades for Linux-based systems.

Automation & Scripting:

• Automate cloud deployments and operational tasks using tools like Ansible, Terraform, CloudFormation, and Bash/Python scripting.
• Develop and maintain scripts to automate repetitive tasks, monitor systems, and deploy applications seamlessly.

Networking & Security:

• Work with VPCs, subnets, security groups, and network ACLs to configure secure cloud networks.
• Implement IAM policies and manage security groups for controlling access to AWS resources.
• Perform audits, vulnerability assessments, and ensure compliance with security standards and best practices.

Collaboration & Support:

• Collaborate with cross-functional teams (DevOps, Development, and IT Support) to address cloud infrastructure issues and improve operational efficiency.
• Provide L3 support for incidents, root cause analysis, and resolution of escalated technical issues in production and staging environments.
• Actively participate in change management and deployment processes.

Basic Windows Knowledge:

• Utilize basic knowledge of Windows Server to assist with hybrid cloud setups, troubleshooting, and configuring cross-platform environments.
• Work with AWS services such as EC2 for Windows, AWS Directory Service, and Active Directory integration.

Documentation & Knowledge Sharing:

• Maintain detailed documentation for cloud architecture, security processes, and systems configurations.
• Share knowledge of best practices and contribute to the improvement of internal knowledge bases and training materials.

Requirements:

• Min 5 years of hands-on experience with Linux system administration (Ubuntu, CentOS, RedHat, etc.).
• 3+ years of experience working with AWS services (EC2, S3, VPC, Lambda, CloudFormation, etc.).
• Experience in deploying and managing cloud infrastructure at scale in production environments.
• Strong problem-solving and troubleshooting skills in cloud-based environments.
• Excellent communication skills to collaborate with internal teams and provide clear documentation.
• Ability to work independently and as part of a team in a fast-paced environment.

Shortlisted candidates will be notified within 5 working days. APPLY NOW!

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