Senior IT Executive/IT Engineer (Infrastructure, Backup & Security)

NIPPON BUILDERS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NIPPON BUILDERS PTE. LTD. is seeking an experienced IT Infrastructure & Security Lead to oversee multi-site networks, backups, and cybersecurity across head office and construction sites in Singapore.

The role requires 5–7+ years in IT infrastructure, strong leadership, and hands-on expertise with Microsoft 365, Windows Server, AD/Entra ID, firewalls, VPNs, and disaster recovery planning; occasional site visits may be required.

Qualifications

• Bachelor's/Diploma in IT or related field.
• 5–7+ years in IT infrastructure and server admin.
• Minimum 3 years of supervisory or team leadership experience.
• Experience in construction/building or multi-site projects is preferred.

Responsibilities

• Data Protection, Backup & Email Archiving: design, implement and maintain backup systems; enforce archiving and retention policies.
• Disaster Recovery planning and regular testing for RPO/RTO objectives.
• Manage enterprise IT infrastructure including Windows Server, AD/Entra ID, M365, and virtualization.
• Site HQ networking: LAN/WAN, SD-WAN, VPNs, firewalls, 4G/5G routers across sites.
• Security operations and IT governance across all sites; policy enforcement and incident response.
• Lead IT team, mentor staff, and coordinate site deployment projects and vendor relations.

Skills

Problem solving

Leadership

Project management

Communication

Site visits

Education

Bachelor's Degree or Diploma in IT/CS

Tools

Microsoft 365

Windows Server

AD/Entra ID

Azure

VMware/Hyper-V

Job description

Responsibilities

• Data Protection, Backup & Email Archiving (Core Priority)
  • Server & Field Endpoint Backups: Design, implement, and maintain automated backup systems for headquarters servers and field devices.
  • Email Archiving: Administer Microsoft 365 / Exchange, enforcing server-side email archiving and retention policies so that lost, corrupted, or deleted local mailboxes can be restored immediately without data loss.
  • Disaster Recovery (DR): Develop and routinely test Disaster Recovery (DR) and Business Continuity Plans (BCP) to guarantee fast system recovery (RPO/RTO) during unexpected hardware or site failures.
• Construction Infrastructure & Multi-Site Networking
  • Systems Administration: Manage and maintain enterprise IT infrastructure, including Windows Server, Active Directory / Entra ID, Microsoft 365, and virtualization.
  • Site & HQ Networking: Administer and troubleshoot corporate network environments across head office and remote construction job sites (LAN/WAN, SD-WAN, site wireless, VPNs, firewalls, and 4G/5G site routers).
  • Software & Asset Management: Maintain accurate IT asset logs, software licenses, system documentation, and hardware/software patch management.
• Cybersecurity & Compliance
  • Security Operations: Oversee cybersecurity across all sites, including endpoint detection and response (EDR), vulnerability management, firewall security and incident response.
  • IT Governance: Drive cybersecurity policies, access controls, audit readiness, and user security awareness for both office and field staff.
• Leadership& Project Delivery
  • Team Leadership: Coach, mentor, and guide junior IT personnel (such as the IT Coordinator) to maintain high service levels and operational excellence.
  • Site Deployment Projects: Plan, implement, and manage IT setups for new construction site offices, project rollouts, and infrastructure upgrades.
  • Vendor & Management Support: Liaise with telcos, hardware vendors, and software suppliers, performing ad-hoc technical projects assigned by Management.

Requirements& Qualifications

• Education: Bachelor's Degree or Diploma in Computer Science, Information Technology, Cybersecurity, or a related field.
• Experience:5-7+ years of hands-on experience in IT infrastructure, networking, and server administration.
• Minimum 3 years of supervisory or team leadership experience.
• Experience in Construction, Building, Engineering, or Multi-Site Project environments is strongly preferred.

Technical Skillset: OS & Cloud

• Microsoft 365, Windows Server, Active Directory / Entra ID, Azure, VMware/Hyper-V.

Backup Platforms

• Enterprise backup solutions (e.g. Veeam, Acronis, Synology Active Backup, Datto).

Networking & Security

• Firewalls (Fortinet, Cisco, Aruba), VPNs, SD-WAN, network switches, and endpoint protection.

Certifications (Preferred)

• ITIL
• CCNA/CCNP
• Fortinet NSE
• CISSP
• CISM
• Microsoft Certified Systems Administrator

Personal Attributes

• Proven problem-solving ability in fast-paced, site-driven construction environments.
• Self-motivated leader with strong project management and communication skills.
• Positive "can-do" attitude, capable of making sound technical decisions under pressure.
• Willingness to visit project sites and respond to emergency system outages outside regular business hours when required.