- Ang Mo Kio North-east Region (Singapore) Singapore
全职 Infrastructure Engineer (L2-L3 Support) 工作, 薪水 up to SGD 5,800, Combuilder Pte Ltd North-east Region (Singapore) 公司招聘中 - Ricebowl
Infrastructure Engineer (L2-L3 Support)
Combuilder Pte Ltd
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职位描述
岗位职责
We are seeking a highly skilled Infrastructure Engineer with 6+ years of experience in enterprise IT infrastructure management and support. The ideal candidate will possess strong technical expertise in Windows Server administration, Red Hat Enterprise Linux (RHEL), VMware virtualization, VMware NSX, Dell EMC SAN Storage, Brocade SAN switches, and Cisco networking technologies.
The role requires hands-on experience in managing critical infrastructure environments, troubleshooting complex technical issues, and providing Level 2 and Level 3 support for business-critical systems. The successful candidate will play a key role in ensuring the availability, performance, security, and reliability of enterprise infrastructure services.
Key Responsibilities
Infrastructure Administration
Administer and maintain Windows Server environments, including installation, configuration, patching, upgrades, and troubleshooting.
Manage and support Red Hat Enterprise Linux (RHEL) servers in production environments.
Monitor server health, system performance, and capacity utilization.
Perform infrastructure maintenance, upgrades, and lifecycle management activities.
Virtualization Management
Manage VMware vSphere infrastructure, including ESXi hosts and vCenter Server.
Provision, configure, and maintain virtual machines based on business requirements.
Perform VM migrations, resource optimization, and capacity planning.
Troubleshoot virtualization-related issues and implement performance improvements.
VMware NSX Administration
Support and maintain VMware NSX virtual networking and security solutions.
Configure logical switching, distributed routing, firewall policies, and security groups.
Troubleshoot network virtualization and connectivity issues.
Storage Administration
Administer Dell EMC SAN Storage environments.
Perform storage provisioning, LUN creation, masking, mapping, and capacity planning.
Monitor storage utilization and performance metrics.
Support storage optimization, upgrades, and disaster recovery initiatives.
SAN Switch Management
Administer Brocade SAN switches and Fibre Channel fabrics.
Configure zoning and troubleshoot SAN connectivity issues.
Monitor SAN performance and ensure high availability of storage services.
Network Administration
Manage and support Cisco switching infrastructure.
Configure VLANs, trunking, port channels, and switch connectivity.
Troubleshoot network-related incidents and performance issues.
Support implementation and maintenance of network standards and best practices.
L2/L3 Support & Incident Management
Provide Level 2 and Level 3 support for infrastructure-related incidents and service requests.
Act as an escalation point for critical production issues.
Perform root cause analysis (RCA) and implement preventive solutions.
Coordinate with vendors, application teams, and technical stakeholders to resolve complex issues.
Participate in on-call support and major incident management activities.
Security, Compliance & Documentation
Implement infrastructure security best practices and hardening standards.
Support vulnerability remediation and security compliance activities.
Maintain accurate infrastructure documentation, SOPs, technical diagrams, and knowledge base articles.
Ensure adherence to organizational policies, change management, and operational procedures.
Disaster Recovery & Business Continuity
Support enterprise backup and recovery solutions.
Participate in disaster recovery testing and business continuity planning.
Ensure infrastructure recovery objectives and service availability requirements are met.
Required Technical Skills
Operating Systems
Microsoft Windows Server 2012/2016/2019/2022
Red Hat Enterprise Linux (RHEL)
Virtualization
VMware ESXi
VMware vSphere
VMware vCenter
VMware NSX
Storage
Dell EMC SAN Storage
Storage Provisioning
LUN Management
SAN Administration
Networking
Cisco Switches
VLANs
Switching Technologies
TCP/IP
DNS
DHCP
SAN Technologies
Brocade SAN Switches
Fibre Channel
Zoning
Fabric Management
Service Management
Incident Management
Problem Management
Change Management
Root Cause Analysis (RCA)
Requirements
Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
Minimum 6 years of hands-on experience in enterprise infrastructure administration and operations.
Proven experience supporting large-scale production environments.
Excellent troubleshooting and problem-solving skills.
Strong communication and stakeholder management abilities.
Combuilder is a Singapore Head-quartered IT services company having extended operations in Beijing, China. We are a professional, vision-driven organisation focused on superior customer satisfaction to provide affordable, high quality, reliable and timely large-scale systems solutions.
Our company is involved in the design and development of large scale software systems since Year 1999, mainly for railway, MRT and MINDEF projects. We are the sub-contractor and strategic partner of ST Electronics (Transport Business Unit, Large Scale Group) and ST Training & Simulation.
The role requires hands-on experience in managing critical infrastructure environments, troubleshooting complex technical issues, and providing Level 2 and Level 3 support for business-critical systems. The successful candidate will play a key role in ensuring the availability, performance, security, and reliability of enterprise infrastructure services.
Key Responsibilities
Infrastructure Administration
Administer and maintain Windows Server environments, including installation, configuration, patching, upgrades, and troubleshooting.
Manage and support Red Hat Enterprise Linux (RHEL) servers in production environments.
Monitor server health, system performance, and capacity utilization.
Perform infrastructure maintenance, upgrades, and lifecycle management activities.
Virtualization Management
Manage VMware vSphere infrastructure, including ESXi hosts and vCenter Server.
Provision, configure, and maintain virtual machines based on business requirements.
Perform VM migrations, resource optimization, and capacity planning.
Troubleshoot virtualization-related issues and implement performance improvements.
VMware NSX Administration
Support and maintain VMware NSX virtual networking and security solutions.
Configure logical switching, distributed routing, firewall policies, and security groups.
Troubleshoot network virtualization and connectivity issues.
Storage Administration
Administer Dell EMC SAN Storage environments.
Perform storage provisioning, LUN creation, masking, mapping, and capacity planning.
Monitor storage utilization and performance metrics.
Support storage optimization, upgrades, and disaster recovery initiatives.
SAN Switch Management
Administer Brocade SAN switches and Fibre Channel fabrics.
Configure zoning and troubleshoot SAN connectivity issues.
Monitor SAN performance and ensure high availability of storage services.
Network Administration
Manage and support Cisco switching infrastructure.
Configure VLANs, trunking, port channels, and switch connectivity.
Troubleshoot network-related incidents and performance issues.
Support implementation and maintenance of network standards and best practices.
L2/L3 Support & Incident Management
Provide Level 2 and Level 3 support for infrastructure-related incidents and service requests.
Act as an escalation point for critical production issues.
Perform root cause analysis (RCA) and implement preventive solutions.
Coordinate with vendors, application teams, and technical stakeholders to resolve complex issues.
Participate in on-call support and major incident management activities.
Security, Compliance & Documentation
Implement infrastructure security best practices and hardening standards.
Support vulnerability remediation and security compliance activities.
Maintain accurate infrastructure documentation, SOPs, technical diagrams, and knowledge base articles.
Ensure adherence to organizational policies, change management, and operational procedures.
Disaster Recovery & Business Continuity
Support enterprise backup and recovery solutions.
Participate in disaster recovery testing and business continuity planning.
Ensure infrastructure recovery objectives and service availability requirements are met.
Required Technical Skills
Operating Systems
Microsoft Windows Server 2012/2016/2019/2022
Red Hat Enterprise Linux (RHEL)
Virtualization
VMware ESXi
VMware vSphere
VMware vCenter
VMware NSX
Storage
Dell EMC SAN Storage
Storage Provisioning
LUN Management
SAN Administration
Networking
Cisco Switches
VLANs
Switching Technologies
TCP/IP
DNS
DHCP
SAN Technologies
Brocade SAN Switches
Fibre Channel
Zoning
Fabric Management
Service Management
Incident Management
Problem Management
Change Management
Root Cause Analysis (RCA)
Requirements
Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
Minimum 6 years of hands-on experience in enterprise infrastructure administration and operations.
Proven experience supporting large-scale production environments.
Excellent troubleshooting and problem-solving skills.
Strong communication and stakeholder management abilities.
Combuilder is a Singapore Head-quartered IT services company having extended operations in Beijing, China. We are a professional, vision-driven organisation focused on superior customer satisfaction to provide affordable, high quality, reliable and timely large-scale systems solutions.
Our company is involved in the design and development of large scale software systems since Year 1999, mainly for railway, MRT and MINDEF projects. We are the sub-contractor and strategic partner of ST Electronics (Transport Business Unit, Large Scale Group) and ST Training & Simulation.
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