About this role
We are seeking an experienced Senior Cloud Administrator with architecture-level capabilities to join our Infrastructure team. This role is responsible for designing, implementing, and managing scalable, secure, and reliable cloud-based infrastructure solutions while ensuring the stability, security, and performance of hybrid cloud environments.
What will you do?
Cloud Infrastructure Design & Architecture
Design, architect, and implement scalable, secure, and reliable cloud-based infrastructure solutions across public, private, and hybrid cloud environmentsDevelop cloud architecture blueprints and technical roadmaps aligned with business objectives and industry best practicesLead cloud migration initiatives and transformation projects, ensuring seamless integration with existing on-premises infrastructureArchitect and implement Infrastructure as Code (IaC) solutions using Terraform, CloudFormation, or similar tools
Cloud Operations & Administration
Monitor and maintain the health, performance, and security of Windows and Linux servers across cloud and hybrid environmentsConfigure and maintain cloud services, including virtual machines, containers, serverless functions (Lambda), networking, storage, and security componentsAdminister and optimise Application Load Balancers (ALB), Network Load Balancers (NLB), Web Application Firewalls (WAF), Content Delivery Networks (CDN), and NetScalerManage DNS services including Windows DNS and AWS Route 53Oversee Linux and Windows patch management, system upgrades, and lifecycle management
Automation & DevOps
Design and implement Ansible Automation workflows for infrastructure and application deploymentProvide DevOps support for infrastructure and application deployment pipelinesDevelop and maintain automation scripts to streamline routine administrative tasks and improve operational efficiencyImplement and manage CI/CD pipelines for infrastructure provisioning and configuration management
Virtualisation & Middleware
Configure, troubleshoot, and optimise virtualisation platforms including VMware vSphere and Hyper-VAdminister middleware production environments ensuring high availability and performanceInstall, configure, and manage Windows and UNIX servers and services across data centres and cloud platforms
Security & Compliance
Implement and manage security tools including encryption solutions, secure key management, and identity access management (IAM)Ensure compliance with cybersecurity best practices, system hardening standards, and regulatory requirementsAdminister ManageEngine and other enterprise management toolsConduct regular security assessments and implement remediation strategies
Collaboration & Support
Collaborate with cross-functional teams including Network, Security, Application, and DevOps teams to implement enterprise-wide solutionsProvide Level 2 and Level 3 technical support for cloud infrastructure, Unix/Linux, and Windows-related issuesTroubleshoot and resolve complex issues related to cloud infrastructure, network connectivity, and application deploymentsParticipate in on-call rotation for after-hours support as needed
Documentation & Continuous Improvement
Develop and maintain comprehensive documentation related to cloud architecture, system configurations, processes, and proceduresParticipate in capacity planning, infrastructure upgrades, and technology assessments to support organisational growthEvaluate emerging cloud technologies and recommend improvements based on best practices and changing requirementsMentor junior team members and share technical knowledge across the team Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related fieldMore than 12 years of hands-on experience in cloud engineering, infrastructure administration, or similar rolesAt least 3 years of focused experience designing, deploying, and managing cloud-based solutions and operations (preferably on AWS cloud)Demonstrated experience in architecting and implementing hybrid cloud environmentsStrong proficiency in AWS services: EC2, S3, VPC, Lambda, RDS, CloudWatch, Systems Manager, IAM, CloudFormationExperience with AWS Cloud Platform is advantageousProficiency in Linux Server operating systems (RHEL, Ubuntu, CentOS)Strong knowledge of Windows Server operating systems (2016/2019/2022)Understanding of Active Directory, Azure AD, Group Policy, DNS, and DHCPExpertise in cloud networking, storage solutions, and security configurationsExperience administering Application Load Balancers (ALB), Network Load Balancers (NLB), and NetScalerUnderstanding of WAF, CDN, VPN, and hybrid networking architecturesAWS Certified Solutions Architect – Associate or ProfessionalPreferred certifications in Microsoft Certified: MSCA, VMware Certified Professional (VCP), Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE), ITIL Foundation certificationStrong analytical and problem-solving skills with the ability to troubleshoot complex infrastructure issuesAbility to design end-to-end cloud architectures ensuring compatibility, security, and performanceExcellent organisational and documentation skillsExcellent communication and collaboration abilities across technical and business stakeholdersCustomer-oriented mindset with a focus on service excellenceAdaptable, proactive, and committed to continuous improvementDemonstrated ability to work collaboratively in team environmentsLeadership qualities with the ability to mentor and guide junior team members We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.
Together, we make the extraordinary happen.
Learn more about us at ncs.co and visit our LinkedIn career site.
Scam Alert
We are aware of fraudulent job offers and impersonations of NCS recruiters. Phishing emails using convincing-looking but fake addresses are also commonly used to trick you into thinking that they come from official NCS sources.
Please note that all official communications from NCS Group will only be sent from verified corporate email addresses. Always check that the sender’s email address ends with the genuine NCS domain, @ncs.com.sg and beware of extra letters, symbols or misspellings. When in doubt, verify the sender’s identity by contacting us at [email protected].