MIS Manager

lumina advisory & global search pte. ltd.; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

Lumina Advisory & Global Search Pte. Ltd. is seeking a senior IT/MIS infrastructure leader to oversee global end-user devices and server environments, spanning Windows, macOS, and Linux.

You will standardize provisioning, automation, and lifecycle refresh across offices worldwide. You will drive automation using Bash, Python, and PowerShell, architect complex network and cloud connectivity, and lead ICT integration programs with governance aligned to ISO 27001 and GDPR.

Qualifications

• Bachelor's degree or above in Computer Science, Information Management, or related technical discipline.
• 8+ years of IT/MIS infrastructure experience with leadership roles.
• Experience in multinational infrastructure integration and large-scale projects.

Responsibilities

• Oversee and manage end-user devices and server environments across global offices (Windows, macOS, Linux).
• Develop scripts (Bash, Python, PowerShell) to automate tasks and health checks.
• Architect and monitor LAN/WAN/VPN/SD-WAN and cloud connectivity across offices.
• Plan IT infrastructure integration across Windows, macOS, Linux environments (AD/LDAP, MDM, SSO, file sharing).
• Manage Microsoft 365, Google Workspace, Azure/AWS/GCP; implement IAM and zero-trust policies.
• Lead multinational subsidiary IT integration projects and establish global governance policies.
• Drive MIS transformation and organizational restructuring to improve governance and scalability.
• Implement endpoint security policies (RBAC, patching, EDR, DLP) and ensure data protection.
• Enforce security benchmarks (ISO 27001, GDPR); coordinate risk assessments and staff security training.

Skills

Linux Proficiency

Automation & Scripting

Infrastructure & Security

Cloud & IAM

Leadership & Strategy

Education

Bachelor's degree or above in Computer Science, Information Management, or related technical discipline

Tools

AD/LDAP/SSO

Microsoft 365 Admin Center

Job description

Key Responsibilities

• Systems Administration & Management: Oversee and maintain end-user devices and server environments across global offices, spanning Windows, macOS, and Linux platforms; standardize provisioning, configuration, routine maintenance, and lifecycle refresh processes.
• IT Automation & Scripting: Hands-on development of scripts (e.g., Bash, Python, PowerShell) to automate administrative tasks, routine health checks, log aggregation, software deployments, and system orchestration.
• Network Infrastructure Management: Architect and monitor enterprise network infrastructure (LAN/WAN/VPN/SD-WAN and cloud connectivity) for branch offices worldwide, ensuring high availability, security, and low latency.
• Resource Integration & Hybrid Optimization: Plan and execute IT infrastructure integration (file systems, identity providers, servers); establish seamless interoperability across heterogeneous Windows, macOS, and Linux environments (e.g., AD/LDAP, MDM, SSO, file sharing).
• Cloud & Collaboration Ecosystems: Manage and federate Microsoft 365, Google Workspace, and core cloud environments (Azure / AWS / GCP); implement unified identity and access management (IAM) and zero-trust policies.
• Global IT Integration: Spearhead multinational subsidiary IT integration projects; establish baseline global IT governance policies compliant with regional regulations and corporate standards.
• MIS Transformation & Organizational Restructuring: Lead the transformation of the Group's MIS structure, systems and processes through a prioritized roadmap, organizational restructuring and system integration, strengthening governance, efficiency and scalability while ensuring business continuity and alignment.
• Information Security & Endpoint Protection: Implement multi-platform endpoint security policies (RBAC, automated patch management, EDR, and DLP) to detect and mitigate unauthorized access or data leakage.
• Risk Control & Compliance: Enforce security benchmarks aligned with international standards (e.g., ISO 27001, GDPR); coordinate vulnerability assessments, penetration testing, backup/DR drills, and staff security awareness programs.

Qualifications

Bachelor's degree or above in Computer Science, Information Management, or related technical discipline.

Experience:

1. Minimum 8 years of IT/MIS infrastructure experience, including at least 3 years in a technical leadership or managerial capacity.
2. Proven track record in multinational infrastructure integration and large-scale project execution.
3. Hands-on administration experience in mixed Windows, macOS, and Linux enterprise environments.
4. Demonstrated experience leadingIT/MIStransformation, restructuring, integration, centralization or significantorganizational change.

Technical Skills:

1. Linux Proficiency: Deep understanding of Linux distributions (Ubuntu/Debian, RHEL/CentOS), including package management, service configuration, permission models, performance tuning, and troubleshooting.
2. Automation & Scripting: Strong hands-on scripting capability in Bash, Python, and/or PowerShell to build operational tooling and automated workflows from scratch.
3. Infrastructure & Security: Solid command of enterprise networking (LAN/WAN/VPN), cloud infrastructure, directory services (AD/LDAP/SAML), firewalls, EDR/DLP, and vulnerability remediation.

Certifications (Preferred):

1. Linux: RHCSA / RHCE / LPIC / CompTIA Linux+.
2. Cloud & Systems: Microsoft Certified (Azure Administrator/Architect, M365 Enterprise Administrator), AWS Certified SysOps/Solutions Architect, Apple Certified Support Professional (ACSP).
3. Security & Leadership: CISSP / CCNP / PMP.
4. Personal Attributes: Strong hands-on troubleshooting mindset, strategic architecture vision, clear communication skills, and high resilience under pressure.