Infrastructure Engineer

KNOWLEDGESG GLOBAL PTE. LTD.; Singapore; On-site; SGD 100,000 - 140,000; Full time

Job summary

A leading IT solutions firm in Singapore seeks an experienced IT Infrastructure Manager. Responsibilities include designing and maintaining core IT infrastructure, managing cloud services, and collaborating with DevOps teams. The ideal candidate has over 10 years of experience, strong expertise in Windows/Linux servers, and relevant certifications like AWS or Azure. Competitive compensation and opportunities for growth are offered.

Qualifications

• 10+ years of hands-on experience in IT infrastructure management.
• Relevant certifications preferred: AWS Certified SysOps Administrator, Microsoft Certified: Azure Administrator Associate, VMware Certified Professional (VCP), Cisco Certified Network Associate (CCNA) / Professional (CCNP), ITIL v4 Foundation.

Responsibilities

• Design, implement, and maintain core IT infrastructure.
• Administer Windows/Linux servers for high availability.
• Manage cloud infrastructure (AWS, Azure, or GCP).
• Plan and execute infrastructure upgrades and migrations.
• Implement and manage backup and disaster recovery plans.
• Monitor and troubleshoot system performance and connectivity.
• Automate infrastructure deployments using tools like Ansible.
• Collaborate with DevOps and security teams.
• Lead infrastructure projects and mentor junior engineers.
• Evaluate new technologies for efficiency and optimization.

Skills

Windows Server (2016/2019/2022)

Linux (RHEL, CentOS, Ubuntu)

AWS

Azure

GCP

Terraform

Ansible

PowerShell

Networking

Virtualization

Education

Bachelor's Degree in Computer Science, Information Technology, or related field

Tools

VMware ESXi

vCenter

Hyper-V

Nagios

Zabbix

Jenkins

Docker

Kubernetes

Job description

Key Responsibilities

• Design, implement, and maintain core IT infrastructure, including servers, storage, network, and virtualization platforms.
• Administer Windows/Linux servers and ensure high availability, performance, and security.
• Manage cloud infrastructure (AWS, Azure, or GCP) including virtual networks, compute, identity, and monitoring.
• Plan and execute infrastructure upgrades, migrations, and capacity planning to support business growth.
• Implement and manage backup, disaster recovery (DR), and business continuity plans.
• Monitor and troubleshoot system performance, network connectivity, and application issues.
• Automate infrastructure deployments using tools such as Ansible, Terraform, or PowerShell.
• Collaborate with DevOps and security teams to ensure system compliance, patch management, and infrastructure as code (IaC) practices.
• Lead infrastructure projects, mentor junior engineers, and contribute to technical documentation and best practices.
• Evaluate new technologies and recommend improvements for efficiency, scalability, and cost optimization.

Technical Skills Required

• Operating Systems: Windows Server (2016/2019/2022), Linux (RHEL, CentOS, Ubuntu).
• Cloud Platforms: AWS / Azure / GCP.
• Virtualization: VMware ESXi, vCenter, Hyper-V.
• Networking: LAN/WAN, VLANs, VPNs, DNS, DHCP, firewalls (Cisco, Fortinet, Palo Alto).
• Storage Systems: SAN/NAS management, RAID configuration, backup solutions (Veeam, Commvault).
• Automation Tools: Terraform, Ansible, PowerShell, Python scripting.
• CI/CD & DevOps Tools: Jenkins, Git, Docker, Kubernetes (preferred).
• Monitoring Tools: Nagios, Zabbix, SolarWinds, CloudWatch, Azure Monitor.
• Security: Endpoint protection, IAM, patch management, compliance standards (ISO 27001, SOC 2).

Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, or related field.
• 10+ years of hands-on experience in IT infrastructure management.
• Relevant certifications (preferred):

• AWS Certified SysOps Administrator / Solutions Architect
• Microsoft Certified: Azure Administrator Associate
• VMware Certified Professional (VCP)
• Cisco Certified Network Associate (CCNA) / Professional (CCNP)
• ITIL v4 Foundation