Cloud Engineer (Unix/Linux Administration) 24/7 on call support _Contract

United States Digital Space LLC; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NTT Singapore Pte Ltd (NTTS) is seeking a skilled Cloud Engineer with strong Unix/Linux administration experience. The role focuses on managing hybrid cloud environments, automating infrastructure, and ensuring secure, scalable operations across on‑premises and cloud platforms.

The ideal candidate will have hands-on Linux system administration, experience with AWS/Azure/GCP, and familiarity with Terraform, Ansible, and CloudFormation.

Responsibilities

• Manage Unix/Linux server environments across on‑premises and cloud platforms.
• Design, deploy, and administer cloud infrastructure services on AWS/Azure/GCP.
• Automate infrastructure provisioning and configuration management with IaC tools.
• Monitor system health, performance, security, and availability.

Skills

Unix/Linux Admin

Cloud platforms (AWS/Azure/GCP)

Linux system administration

Shell scripting

Automation / IaC

VMware / Docker / Kubernetes

Monitoring tools

Networking concepts

Incident management

Communication skills

Tools

Terraform

Ansible

CloudFormation

Job description

We are looking for a skilled Cloud Engineer with strong Unix/Linux Administration expertise to support and manage cloud-based and hybrid infrastructure environments. The ideal candidate will have hands‑on experience in Linux system administration, cloud platforms (AWS/Azure/GCP), automation, monitoring, and infrastructure modernization initiatives.

Key Responsibilities

• Manage, maintain, and support Unix/Linux server environments across on-premises and cloud platforms.
• Design, deploy, and administer cloud infrastructure services on AWS, Azure, and/or GCP.
• Perform system installation, patching, upgrades, performance tuning, and capacity planning.
• Automate infrastructure provisioning and configuration management using tools such as Terraform, Ansible, or CloudFormation.
• Monitor system health, performance, availability, and security using enterprise monitoring tools.
• Troubleshoot complex operating system, cloud infrastructure, networking, and application issues.
• Implement backup, disaster recovery, high availability, and business continuity solutions.
• Collaborate with application, security, network, and DevOps teams to support production environments.
• Support cloud migration and infrastructure transformation projects.
• Ensure compliance with security, governance, and operational best practices.

Requirements

• 5+ years of experience in Unix/Linux Administration (Red Hat, CentOS, Oracle Linux, SUSE, Ubuntu).
• Hands‑on experience with AWS, Microsoft Azure, or Google Cloud Platform (GCP) .
• Strong knowledge of Linux system administration, shell scripting, user management, filesystem management, and performance tuning.
• Experience with cloud services including Compute, Storage, Networking, IAM, and Monitoring.
• Knowledge of automation and Infrastructure as Code (Terraform, Ansible, CloudFormation).
• Understanding of virtualization and container technologies such as VMware, Docker, and Kubernetes.
• Experience with monitoring and logging tools such as Splunk, Grafana, Prometheus, CloudWatch, Azure Monitor, or ELK Stack.
• Familiarity with networking concepts including TCP/IP, DNS, Load Balancers, VPNs, and Firewalls.
• Experience supporting mission‑critical production environments and resolving high‑severity incidents.
• Strong analytical, troubleshooting, and communication skills.

Preferred Certifications

• Red Hat Certified System Administrator (RHCSA) / RHCE
• AWS Certified Solutions Architect or SysOps Administrator
• Microsoft Azure Administrator Associate
• Google Associate Cloud Engineer

NTT Singapore Pte Ltd (NTTS) is the regional headquarters of NTT Communications Corporation (NTT Com) for Asia Pacific Region.

Established in 1997, NTT Singapore has more than 10 years of expertise in providing information and communications technology (ICT) solutions worldwide.

NTT Singapore offers diverse high-quality connectivity, data centre solutions, security services, IT management services, voice and conferencing solutions and solution integration services to its enterprise customers.

NTT Communications is a wholly owned subsidiary of Nippon Telegraph and Telephone Corporation (NTT Corp.), one of the world’s largest providers of telecommunications services.

In 2013, NTT Corp. is ranked no.1 in telecom industry in the Fortune Global 500* list with operating revenues of more than $133,077 million. It is positioned 32nd among the top 500 corporations worldwide.

NTT Com's extensive global infrastructure includes Arcstar secure private networks, which cover 196 countries/regions and a tier-1 IP backbone network connected with major ISPs worldwide, as well as secure data centers at over 150 locations worldwide.