Senior IT Infrastructure Engineer

Manpower Staffing Services (Singapore) Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ManpowerGroup Singapore is seeking an experienced IT Infrastructure Engineer to design, implement and manage enterprise IT across networks, systems, and cloud platforms. The role emphasizes secure configuration, hardening, and regulatory compliance to ensure high availability and performance.

The candidate will work with the Cybersecurity team to apply security controls, address vulnerabilities and support incident response. A Bachelor’s degree and 8+ years of hands-on experience are required.

Qualifications

• Bachelor's degree in CS/IT or related field.
• Minimum of 8 years of experience in network engineering and IT infrastructure.
• Hands-on experience with enterprise network and security solutions such as Cisco, Palo Alto, Fortinet.
• Experience with Windows/Linux servers, virtualization (VMware/Hyper-V), and cloud platforms.

Responsibilities

• Design and implement end-to-end IT infrastructure solutions.
• Implement, administer and support network infrastructure (wired and wireless, routing, switching, load balancers, firewalls, VPNs, NAC).
• Manage systems (Windows Server, Linux) and virtualization (VMware, Hyper-V), including storage (NAS, SAN, vSAN).
• Operate IT infrastructure monitoring tools (Grafana, Zabbix, PRTG, Nagios).
• Administer Microsoft 365 services and support hybrid identity (on-prem AD + Entra ID).
• Troubleshoot complex infrastructure issues and perform root cause analysis.
• Plan patches, upgrades, migrations, and capacity improvements.
• Enforce security best practices (segmentation, firewalls, VPNs, NAC) and system hardening (CIS).
• Support incident response, troubleshooting, and on-call operations.

Skills

Network engineering

IT infrastructure

Troubleshooting

Security practices

Education

Bachelor's Degree in Computer Science / Information Technology

Tools

Cisco

Aruba

Palo Alto

Fortinet

F5 Load Balancers

VMware

Hyper-V

M365

Windows Server

Linux

vSAN

Entra ID

Intune

Exchange Online

SharePoint Online

Teams

Grafana

Zabbix

PRTG

Nagios

Job description

You will be responsible for the design, implementation, management, and operation of enterprise IT infrastructure across networks, systems, and cloud platforms, ensuring high availability, performance, and security. This includes a solid focus on secure configuration, system hardening, and compliance with regulatory requirements. This is a hands‑on role that requires the ability to translate design into practical implementation across network devices, servers (Windows/Linux), and cloud environments. You will work closely with the Cybersecurity team to implement security controls, address vulnerabilities, and ensure compliance with organizational and regulatory standards.

Key responsibilities

• Design and implement end-to-end IT infrastructure solutions.
• Implement, administer and support network infrastructure (wired and wireless networks, routing, switching, load balancer, firewalls, VPNs, NAC).
• Implement, support and administer systems (Windows Server, Linux) and virtualization platforms (VMware, Hyper‑V) including storage server and vSAN.
• Implement, support and administer IT Infrastructure monitoring tools such as Grafana, Zabbix, PRTG and Nagios.
• Administer Microsoft 365 services (Entra ID, Intune, Exchange Online, SharePoint Online, Teams), and support hybrid identity (on-prem AD + Entra ID).
• Troubleshoot complex infrastructure issues and perform root cause analysis.
• Plan and execute patching, upgrades, migrations, and capacity improvements.
• Implement and enforce security best practices (segmentation, firewalls, VPNs, NAC).
• Perform system hardening (CIS benchmarks or equivalent).
• Support incident response, troubleshooting, and on-call operations.

About you

• Bachelor's Degree in Computer Science, Information Technology, or a related field.
• Minimum of 8 years of experience in network engineering, IT infrastructure management, and IT administration.
• Solid technical and hands‑on experience in network technologies: Routing, switching, ACL, VLANs, Firewalls, VPNs, and Network Access Control (NAC), wired and wireless networks.
• Solid technical and hands‑on experience in enterprise network and security solutions: Cisco, Aruba, Palo Alto, Fortinet, F5 Load Balancers, PAM, SIEM and Microsoft network technologies.
• Good technical and hands‑on experience in systems and infrastructure: M365, Windows Servers and RedHat Enterprise Linux, Virtualization Platforms (VMware and Hyper‑V), NAS, SAN and vSAN storage.
• Hands‑on experience with system hardening, patch management, and infrastructure security practices.
• Hands‑on experience with both on‑premises and cloud‑based infrastructure.
• Relevant certifications such as CCNA, RHCE, MCSE, VMware Certified Professional (VCP) or equivalent.
• Proven ability to troubleshoot complex issues, perform root cause analysis (RCA) and deliver reliable solutions.

Your Safety and Data Security Matter to Us

ManpowerGroup is committed to a safe and transparent hiring process. We will never request payment, banking details, or sensitive personal information as part of our recruitment. If you receive suspicious outreach claiming to be from us, please contact [e-mail].

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