17 Cloud Administrator jobs in Singapore

As a Cloud Engineer, you will be a key technology partner contributing to mission-critical projects in Singapore's Defence sector.

You will work closely with Solution Architects, Project Managers, and Technical Leads to design, test, and deploy secure, reliable cloud and system infrastructure.

This is an excellent opportunity for individuals who thrive in fast-paced environments and are eager to expand their expertise in advanced technologies.

• Day-to-day operations, system/network administration, and incident management.
• Supporting infrastructure stability, patching, backup, recovery, and routine change requests.
• Exposure to security tools (endpoint protection, firewalls, PAM, AD, etc.).

• At least 2+ years' IT infrastructure experience.
• Strong in operations, troubleshooting, monitoring, backup, patching.
• Knowledge of Windows/Linux administration, AD, security hardening.
• Familiarity with enterprise infrastructure components (firewalls, endpoint, backup, etc.).

We respect your privacy and all communication will be treated with confidentiality.

Please contact us or apply in-confidence to us with you updated MS Word Resume to :

Jacqueline Tai (Reg. No. R )

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

As a Cloud Engineer, you will be a key technology partner contributing to mission-critical projects in Singapore’s Defence sector.

You will work closely with Solution Architects, Project Managers, and Technical Leads to design, test, and deploy secure, reliable cloud and system infrastructure.

This is an excellent opportunity for individuals who thrive in fast-paced environments and are eager to expand their expertise in advanced technologies.

• Day-to-day operations, system/network administration, and incident management.
• Supporting infrastructure stability, patching, backup, recovery, and routine change requests.
• Exposure to security tools (endpoint protection, firewalls, PAM, AD, etc.).

• At least 2+ years’ IT infrastructure experience.
• Strong in operations, troubleshooting, monitoring, backup, patching .
• Knowledge of Windows/Linux administration, AD, security hardening.
• Familiarity with enterprise infrastructure components (firewalls, endpoint, backup, etc.).

We respect your privacy and all communication will be treated with confidentiality.

Please contact us or apply in-confidence to us with you updated MS Word Resume to :

Jacqueline Tai (Reg. No. R )

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)

AWS Cloud Administrator

Why we need you

We're looking for an experienced AWS Cloud Administrator to help us manage, optimize, and scale our cloud environments. You'll work closely with our web and application teams to support cloud migrations, streamline deployments, and ensure our systems are resilient, cost-efficient, and high-performing.

What we would like

We're after someone who blends strong AWS technical know-how with hands-on operational excellence. In this role, you'll:

• Deploy, manage, and maintain scalable, fault-tolerant AWS environments and services.
• Support migration of on-premise applications and databases into AWS Cloud.
• Monitor performance, optimize resources, and control cloud operational costs effectively.
• Implement security, backup, and data flow management best practices across AWS.
• Collaborate with cross-functional teams to troubleshoot, optimize, and document processes.

Your keys to success

You'll thrive in this role if you're analytical, detail-oriented, and passionate about cloud efficiency. You'll bring:

• 2+ years of hands-on experience managing AWS-based applications.
• Proven expertise deploying and operating systems on AWS platforms.
• Strong knowledge of Linux, Windows, virtualization, and web hosting tools.
• Experience with NGINX, Nagios, MySQL, .NET, Drupal, or WordPress.
• AWS certification or proven understanding of AWS architecture and best practices.

How to apply

PERSOLKELLY Singapore Pte Ltd
• EA License No.01C4394
• EA Registration No. R Naveen Vasudevan)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy.

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AWS Cloud Administrator

Why we need you

We're looking for an experienced AWS Cloud Administrator to help us manage, optimize, and scale our cloud environments. You'll work closely with our web and application teams to support cloud migrations, streamline deployments, and ensure our systems are resilient, cost-efficient, and high-performing.

What we would like

We're after someone who blends strong AWS technical know-how with hands-on operational excellence. In this role, you'll:

• Deploy, manage, and maintain scalable, fault-tolerant AWS environments and services.
• Support migration of on-premise applications and databases into AWS Cloud.
• Monitor performance, optimize resources, and control cloud operational costs effectively.
• Implement security, backup, and data flow management best practices across AWS.
• Collaborate with cross-functional teams to troubleshoot, optimize, and document processes.

Your keys to success

You'll thrive in this role if you're analytical, detail-oriented, and passionate about cloud efficiency. You'll bring:

• 2+ years of hands-on experience managing AWS-based applications.
• Proven expertise deploying and operating systems on AWS platforms.
• Strong knowledge of Linux, Windows, virtualization, and web hosting tools.
• Experience with NGINX, Nagios, MySQL, .NET, Drupal, or WordPress.
• AWS certification or proven understanding of AWS architecture and best practices.

How to apply

To apply online, please click the 'Apply' button. Send us your updated resume along with a short note on why you'd be a strong fit for this role—let's talk at

PERSOLKELLY Singapore Pte Ltd
• EA License No.01C4394
• EA Registration No. R (Naveen Vasudevan)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy.

***

AWS Cloud Administrator

Why we need you
We’re looking for an experienced AWS Cloud Administrator to help us manage, optimize, and scale our cloud environments. You’ll work closely with our web and application teams to support cloud migrations, streamline deployments, and ensure our systems are resilient, cost-efficient, and high-performing.

What we would like
We’re after someone who blends strong AWS technical know-how with hands-on operational excellence. In this role, you’ll:

• Deploy, manage, and maintain scalable, fault-tolerant AWS environments and services.
• Support migration of on-premise applications and databases into AWS Cloud.
• Monitor performance, optimize resources, and control cloud operational costs effectively.
• Implement security, backup, and data flow management best practices across AWS.
• Collaborate with cross-functional teams to troubleshoot, optimize, and document processes.

Your keys to success
You’ll thrive in this role if you’re analytical, detail-oriented, and passionate about cloud efficiency. You’ll bring:

• 2+ years of hands-on experience managing AWS-based applications.
• Proven expertise deploying and operating systems on AWS platforms.
• Strong knowledge of Linux, Windows, virtualization, and web hosting tools.
• Experience with NGINX, Nagios, MySQL, .NET, Drupal, or WordPress.
• AWS certification or proven understanding of AWS architecture and best practices.

How to apply
To apply online, please click the ‘Apply’ button. Send us your updated resume along with a short note on why you’d be a strong fit for this role—let’s talk at

PERSOLKELLY Singapore Pte Ltd • EA License No.01C4394 • EA Registration No. R (Naveen Vasudevan)

By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOLKELLY Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at You acknowledge that you have read, understood, and agree with the Privacy Policy.
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·    Administer and support Windows Server (2012–2022), Active Directory, DNS, DHCP, ADFS, and Office 365 environments.

·    Manage and optimize cloud infrastructure on AWS and Microsoft Azure, including provisioning, monitoring, scaling, and troubleshooting workloads.

·    Install, configure, test, and maintain operating systems, applications, and system management tools, including restoration of systems and files as needed.

·    Monitor system alerts and respond to incidents by diagnosing and resolving hardware, software, and network issues in a timely manner.

·    Collaborate with the Cybersecurity team to perform security patching, system hardening, and vulnerability remediation.

·    Perform root cause analysis, develop preventive measures, and document resolutions.

·    Support capacity planning, system upgrades, and infrastructure optimization initiatives.

·    Ensure compliance with IT service delivery processes and documentation standards, aligned with ITIL practices.

·    Coordinate and support internal and external IT audits.

·    Contribute to disaster recovery and business continuity planning, including regular testing.

·    Provide guidance and knowledge sharing to junior engineers and IT support staff.

·    Carry out other duties assigned by the IT Infrastructure Lead and the IT Infrastructure Head.

• Administer and support Windows Server (2012–2022), Active Directory, DNS, DHCP, ADFS, and Office 365 environments.

• Administer and support Windows Server (2012–2022), Active Directory, DNS, DHCP, ADFS, and Office 365 environments.

• Manage and optimize cloud infrastructure on AWS and Microsoft Azure , including provisioning, monitoring, scaling, and troubleshooting workloads.

• Install, configure, test, and maintain operating systems, applications, and system management tools, including restoration of systems and files as needed.

• Monitor system alerts and respond to incidents by diagnosing and resolving hardware, software, and network issues in a timely manner.

• Collaborate with the Cybersecurity team to perform security patching, system hardening, and vulnerability remediation.

• Perform root cause analysis, develop preventive measures, and document resolutions.

• Support capacity planning, system upgrades, and infrastructure optimization initiatives.

• Ensure compliance with IT service delivery processes and documentation standards, aligned with ITIL practices.

• Coordinate and support internal and external IT audits.

• Contribute to disaster recovery and business continuity planning, including regular testing.

• Provide guidance and knowledge sharing to junior engineers and IT support staff.

• Carry out other duties assigned by the IT Infrastructure Lead and the IT Infrastructure Head.

About the job Cloud Infrastructure Administrator (AWS)
Key Highlights:
Opportunity to work with a dynamic, industry-leading company
Opportunities for professional growth and development.
Up to $11,000 + Bonus + comprehensive benefits package
Our Client is seeking a
Cloud Infrastructure Administrator
to join their Cloud Operations Team. You'll play a key role in supporting and optimizing mission-critical
AWS and hybrid cloud environments . If you're passionate about cloud technologies, automation, and keeping systems secure, stable, and scalable, this is the role for you.
Responsibilities
Monitor and maintain AWS and hybrid cloud infrastructure
Manage deployments, patching, scaling, and upgrades in a secure and auditable way
Automate infrastructure using Terraform, and support Docker/Kubernetes containers
Support OS-level services across Unix, Windows, and appliances
Maintain high availability and uptime based on SLA commitments
Troubleshoot and resolve cloud infra issues collaboratively with other teams
Administer ServiceNow and cloud change tickets (ITSM/ITIL compliance)
Support security and governance, including identity & access management
Assist in cloud audits and manage certificate/key lifecycle
Perform disaster recovery drills and AWS maintenance (RDS, EC2, EKS, ECS, etc.)
Qualifications
Bachelor's degree in Computer Science, Information Technology, or a related field.
Min 4 years of hands-on AWS experience in an operations/support role
Experience with Terraform, Python, YAML, and containerization tools
Strong understanding of cloud security, networking (VPN, firewalls, routing), and IAM
Familiarity with databases: MySQL, Postgres, MongoDB, MSSQL, DynamoDB, etc.
Knowledge of ServiceNow, ITSM processes, and ticketing systems
Experience with cloud cost optimization and AWS monitoring tools
Knowledge of high-throughput systems and event-driven architectures
Clear communicator with a problem-solving mindset and attention to detail
Why Join?
You'll be part of a forward-thinking team that values innovation, collaboration, and continuous improvement. Help shape the future of cloud infrastructure for one of the regions leading tech-driven organizations.
How to apply
Interested applicants, please submit updated resume in MS format via the
Apply
button.
Position and remuneration will be commensurate with skills and experience.
We regret that only short-listed candidates will be contacted.
Careerally Pte Ltd | EA Licence: 24C2215
EA Registration No: R
#J-18808-Ljbffr

• Take ownership of supporting and autonomously completing project tasks.
• Identify the key factors influencing a defined, straightforward problem and propose effective solutions.
• Utilize analysis, experience, and decision-making skills to identify and resolve problems.
• Choose the most suitable tools and techniques to fulfill specific client requirements.
• Recognize the advantages of employing cutting-edge methods and tools, applying them appropriately to engagements, and contributing to their ongoing improvement.
• Effectively manage work according to established plans for engagement components.
• Potentially oversee a work stream independently, including reviewing and guiding the work of junior team members.
• Develop solutions to client issues by applying methods and tools and validate these solutions with subject matter experts.
• Demonstrate accountability and contribute to achieving client objectives successfully.
• Collaborate within a team responsible for the technical monitoring, support, and administration of SAP system landscapes across various locations, including SAP ECC, SAP Enterprise Portal (EP), and Solution Manager. This includes database administration of Oracle database Server utilized within the SAP system landscape.
• Report to and work under the guidance of the SAP Basis Technical Lead and Project Manager.
• Monitoring of SAP systems and Databases
• Installations/ Upgrades/ Migration of SAP Application / Net Weaver Suite of products within the SAP system landscape
• Work collaboratively in project environment and boundaries
• Responding and resolving incidents that may arise in the production and non-production SAP environments
• Resolving incidents that may arise due to system generated alerts.
• Systems installation, configuration, upgrade, patching, administration and monitoring (SAP NetWeaver, SAP Solution Manager, SAP ECC).
• Database (SAP HANA, Sybase ASE Database, SAP IQ).
• Operating Systems (Windows Server, Linux).
• Microsoft Applications (Active Directory, System Center Suite).
• Tools (SCCM, WSUS, SEPM, SCVMM). Virtualization Platform (VMware, Hyper-V).
• Storage and Backup (Symantec NetBackup).
• Web Tools (F5 Load Balancer, Proxy/Reverse Proxy Setup, Apache, IIS, SAP Web dispatcher).
• IT Security Hardening on Windows Server and Linux.
• Various methodology of SAP system cloning / copy (Heterogeneous / Homogeneous).
• SAP backup and restore procedures for database-specific and OS- specific systems.
• Ability to work independently and efficiently, managing timelines and expectations and producing high quality deliverables and support with minimum supervision.

Interested candidate please do email your resume or you may click "APPLY".

Regret only shortlisted candidate will be notified.