Senior IT Infrastructure Engineer – Cloud, Networks & Security

Manpower Staffing Services (Singapore) Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

ManpowerGroup in Singapore is seeking a senior IT infrastructure engineer to design, implement, manage and operate enterprise-scale networks, systems and cloud platforms. The role emphasizes secure configuration, hardening and regulatory compliance across Windows/Linux servers and cloud environments.

You will collaborate with the Cybersecurity team to enforce controls, address vulnerabilities and support on-call operations. A hands-on leader with extensive networking experience is required.

Qualifications

• 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 hands-on experience in network technologies: routing, switching, ACLs, VLANs, Firewalls, VPNs, NAC.
• Known enterprise network and security solutions: Cisco, Aruba, Palo Alto, Fortinet, F5, PAM, SIEM and Microsoft network technologies.
• Experience with M365, Windows Servers, RHEL, VMware/Hyper-V, NAS/SAN/vSAN storage.
• Certifications such as CCNA, RHCE, MCSE, VMware VCP or equivalent.

Responsibilities

• Design and implement end-to-end IT infrastructure solutions.
• Implement, administer and support network infrastructure (wired/wireless, routing, switching, load balancers, firewalls, VPNs, NAC).
• Implement, support and administer Windows Server, Linux, virtualization platforms (VMware, Hyper-V) including storage.
• Monitor infrastructure with Grafana, Zabbix, PRTG and Nagios.
• Administer Microsoft 365 services and hybrid identity (on-prem AD + Entra ID).
• Troubleshoot complex infrastructure issues and perform RCA.
• Plan patches, upgrades, migrations and capacity improvements.
• Enforce security best practices (segmentation, firewalls, VPNs, NAC).
• System hardening (CIS benchmarks or equivalent).
• Support incident response, troubleshooting and on-call operations.

Skills

8+ yrs exp

Networking

Security

Windows/Linux

Cloud

Education

Bachelor's degree in CS/IT

Tools

Cisco

Aruba

Palo Alto

Fortinet

VMware

Hyper-V

Azure/AWS

Job description

ManpowerGroup in Singapore is seeking a senior IT infrastructure engineer to design, implement, manage and operate enterprise-scale networks, systems and cloud platforms. The role emphasizes secure configuration, hardening and regulatory compliance across Windows/Linux servers and cloud environments.

You will collaborate with the Cybersecurity team to enforce controls, address vulnerabilities and support on-call operations. A hands-on leader with extensive networking experience is required.