IT Network & Security Administrator

Responsibilities

• Network & Infrastructure
• Manage and maintain network infrastructure across HQ and retail stores, including LAN, WAN, SD-WAN, VPN, routing, switching, and firewalls.
• Oversee SD-WAN rollout and daily operations, with future roadmap exposure to ZTNA and SASE.
• Ensure network uptime, performance, and reliability across multiple sites.
• Lead telco and service provider management, including circuits, SIMs, provisioning, escalation, and issue resolution.
• Support new store setup, infrastructure deployment, and project-based rollouts.
• Cybersecurity & Governance
• Own and drive cybersecurity governance initiatives, including Cyber Trust Mark and Data Protection Trust Mark requirements.
• Implement, review, and validate network security controls, access policies, segmentation, and firewall rules.
• Manage external VAPT vendors, review findings, and track remediation actions.
• Support internal VAPT, security testing, audit preparation, and compliance exercises.
• Ensure infrastructure and security controls align with internal policies, audit expectations, and industry best practices.
• Cyber Insurance & Incident Readiness
• Act as the main point of contact for cyber insurance and incident response management vendors.
• Coordinate incident response readiness, reporting requirements, and control validation.
• Ensure security controls meet insurer expectations and policy obligations.
• Cloud & Security Operations
• Manage and maintain firewall environments across on-premises and cloud platforms.
• Support Azure networking components, including Azure Firewall.
• Maintain secure connectivity between on-premises environments, cloud platforms, retail stores, and external vendors.
• Operations, Support & Vendor Management
• Troubleshoot network and security incidents from end to end.
• Work closely with vendors, telcos, and service providers for delivery, escalation, and resolution.
• Provide on-site support at retail stores when required for incident resolution, deployment, or infrastructure changes.
• Support ad-hoc IT operational tasks across infrastructure and systems where needed.
• Maintain proper documentation, including network diagrams, SOPs, firewall policies, access controls, and security records.

Requirements

• Minimum 3 - 5 years of hands-on experience in network and security administration.
• Strong knowledge of firewalls, routing, switching, VPN, SD-WAN, and network design.
• Experience supporting multi-site or retail environments.
• Exposure to VAPT, security audits, cybersecurity controls, or compliance frameworks.
• Experience managing vendors, telcos, and external security assessment providers.
• Familiarity with telco provisioning, infrastructure rollout, and site deployment activities.
• Must be physically based in Singapore and able to work on-site.
• Willing to travel to retail stores when required.
• Strong ownership mindset with the ability to drive initiatives independently.
• Preferred Skills
• Experience with Fortinet technologies, especially FortiGate and Fortinet SD-WAN.
• Familiarity with ZTNA and SASE concepts.
• Experience supporting Cyber Trust Mark or Data Protection Trust Mark initiatives.
• Knowledge of Azure networking and Azure Firewall.
• Certifications such as CCNA, Network+, Security+, Fortinet NSE, or equivalent.
• Ability to communicate in Mandarin will be an added advantage for coordination with regional stakeholders and vendors.
• Ideal Candidate Profile

Additional Information

Job Title: IT Network & Security Administrator Location: Changi Business Park, On-site Employment Type: Full-time We are looking for a hands-on IT Network & Security Administrator to manage and strengthen network infrastructure and cybersecurity governance across HQ and retail store environments. This role will be responsible for ensuring network reliability, supporting multi-site connectivity, managing firewall and SD-WAN environments, and driving cybersecurity initiatives such as Cyber Trust Mark, Data Protection Trust Mark (DPTM), VAPT remediation, cyber insurance readiness, and vendor management . The ideal candidate should be technically hands-on, independent, and comfortable supporting both daily operations and project-based infrastructure rollouts.

Your Match

How well this role fits your profile.

Company Intel

What employees say

Worked at MTS GLOBAL PTE. LTD.? Share your experience