IT Network & Security Administrator
6500 - 7500 SGDMTS Global Pte Ltd
Job Title: IT Network & Security Administrator
Location: Changi Business Park, Singapore | On-site
Employment Type: 12-Month Renewable Contract
We are looking for a hands-on IT Network & Security Administrator to manage and support network infrastructure and security operations across HQ and retail store environments.
The ideal candidate should have strong hands-on experience in L3 network troubleshooting, routing, switching, firewall administration, VPN, VLAN, core/distribution/access switch architecture , and multi-site network support. This role requires someone who can independently troubleshoot network issues, support infrastructure rollout, manage vendors, and ensure reliable connectivity across business and retail operations.
Key Responsibilities
Network Infrastructure & Operations
Manage, maintain and troubleshoot LAN, WAN, VPN, firewall and network infrastructure across HQ and retail stores.
Support L2/L3 network troubleshooting, including routing, switching, VLAN, inter-VLAN routing, trunking, STP, ACL, NAT and VPN-related issues.
Administer and support core, distribution and access switches, including configuration, troubleshooting, firmware upgrades and documentation.
Support multi-site connectivity, store network setup, network changes and infrastructure deployment.
Monitor network performance, uptime and availability across HQ and retail outlets.
Support network device upgrades, replacement, migration, cabling coordination, testing and commissioning.
Maintain updated network diagrams, IP addressing, device inventory, configuration records and SOP documentation.
Firewall & Network Security
Manage firewall policies, VPN access, NAT rules, rule review, firmware upgrades, backup and security configuration.
Support firewall troubleshooting and coordination with vendors or service providers.
Implement and maintain network segmentation and access controls to improve security posture.
Support vulnerability remediation, patching and infrastructure hardening activities.
Assist in security audits, compliance reviews, VAPT remediation and security documentation when required.
Telco, Vendor & Project Support
Coordinate with telcos and vendors on circuits, SIMs, provisioning, escalation and issue resolution.
Work with internal stakeholders, vendors and service providers for network projects, incidents and changes.
Provide on-site support at retail stores when required for troubleshooting, deployment or incident resolution.
Participate in infrastructure projects, new store setup and network/security improvement initiatives.
Handle ad-hoc IT infrastructure and operational support where required.
Requirements
Minimum 5 years of hands-on experience in network infrastructure and network security support.
Strong knowledge of L2/L3 networking, routing, switching, VLAN, VPN, firewall, LAN/WAN and network troubleshooting.
Good understanding of core, distribution and access switch architecture.
Hands-on experience with network devices such as Cisco, Aruba, HPE, Fortinet, Palo Alto, Sophos or equivalent.
Experience supporting firewalls, VPN, ACL, NAT, network segmentation and security policies.
Experience supporting multi-site environments, preferably retail, hospitality, healthcare, manufacturing or enterprise environments.
Able to troubleshoot network incidents independently and explain technical issues clearly.
Experience working with vendors, telcos and service providers for escalation and issue resolution.
Comfortable working on-site in Singapore and travelling to retail stores when required.
Strong ownership mindset, good documentation discipline and ability to work independently.
Preferred Skills
Experience with Fortinet / FortiGate firewall and SD-WAN.
Knowledge of Azure networking or Azure Firewall.
Exposure to VAPT remediation, security audit, Cyber Trust Mark or Data Protection Trust Mark will be an added advantage.
Certifications such as CCNA, CCNP, Network+, Security+, Fortinet NSE or equivalent will be advantageous.
Ability to communicate in Mandarin will be an added advantage for coordination with regional stakeholders, vendors or retail users.
Ideal Candidate Profile
This role is suitable for a hands-on network engineer or network security administrator who is comfortable supporting both daily operations and project-based infrastructure work. The successful candidate should be strong in network fundamentals, able to troubleshoot L3 network issues, understand core/distribution/access switching, and support firewall and security operations across a multi-site environment.
4000 - 6000 SGD
...Job Description: Network Security Administrator Role Overview As a Network Security Administrator , you will be responsible for the daily administration, maintenance, and monitoring of our enterprise security i nfrastructure. Your primary focus will be safeguarding...5500 - 7500 SGD
...We are seeking a skilled and experienced Network Engineer to join our IT team. The successful candidate will be responsible for designing, implementing... ...our growing network infrastructure, and to implement HO security policy to local infrastructure. This role requires deep...4000 - 6000 SGD
...evaluate potential partner relationships tosupport product adoption and maximize market reach. Requirements: Diploma or degree in IT, Computer Science, or related field; candidates without IT qualifications must have 2–3 years of relevant sales experience. Fresh graduates...8500 - 10000 SGD
...Architecture, Design, Implementation, and Maintenance of Trading-related Network infrastructure, such as: Market Data Distribution Networks, low-... ...must have the relevant knowledge and experience with Network Security systems in a financial trading environment, including the...2500 - 5000 SGD
...Responsibilities: Responsible for day to day operations and administration on network & security infrastructure. Perform installation, configuration and... ...shooting and/or debugging network related problems. IT Network consulting and implementation for new projects....4000 - 6000 SGD
...position is responsible for building and administering IT infrastructure (network and security) as an IT Infrastructure Support Engineer. Supporting IT... ...Basic knowledge of administering security solutions. ~ Technical skills in server administration as a System Engineer....5000 - 6500 SGD
...running. You'll sit within the IT team, being the deep... ...er they rely on: configuring networks, building and fixing hardware... ...across the estate. Network administration. Monitor and manage network devices... ...VPN clients, and similar. Security, patching, and backups. Implement...6500 - 9000 SGD
...Overview We are looking for an experienced IT Security Engineer to support and enhance... ...experience in cybersecurity operations, network security, and IT infrastructure support.... ...solutions. Infrastructure & Security Administration Support daily administration of enterprise...4500 - 6500 SGD
...Responsible for provision, deployment, configuration, and administration of many different pieces of network and security-related hardware and software. Responsible for... ..., issues, requests, and queries Responsible for IT Governance on Network Security with monitoring and...6000 - 9000 SGD
...Description Provide project deployment for customers' Enterprise IT Network Services. Work closely with the Project Manager to fulfill... .../WLAN: Cisco, Alcatel, Aruba routers and switches Network security solutions Security appliances: Palo Alto, Fortinet, Check...4200 - 7000 SGD
...You will be responsible for managing network switches, monitor traffic, construct cabling... ...maintain efficient operations. Install security products such as WAF, firewall, proxy, and... ...management Preferably 12-inch Fab experience in IT infrastructure Strong background in...3000 - 4000 SGD
...Microsoft 365 / Office 365 Administration Administer and manage the... ...assignment and usage monitoring Security groups and distribution lists... ...coordinate issue resolution IT Infrastructure & End-User Support... ...or refurbishment projects Network & Systems Support Perform...4000 - 8000 SGD
...end-user equipment technology refresh and IT-related procurement activities. Perform daily monitoring of server and network equipment to ensure operational health.... ...of hardware, software, and Windows Server administration. Basic understanding of networking concepts...4000 - 4500 SGD
...data or voice communication systems or specialized components of a network whether data, voice or video including Local Area Networks (LANs... ...(PBXs), voice mail, call management systems (CMS) and network security devices. 1) With hands-on experiences in deployment on Cisco &...4000 - 5000 SGD
...requirements, including laptop and desktop computers, servers, routers, switches, firewalls, printers, phones, security updates; support internet, intranet, LANs, WANs, and network segments Address the user requests and other teams’ members requirement with troubleshooting to...4500 - 5500 SGD
...cybersecurity solutions such as NTP solution, PKI Security and DLP applications for clients... ...and technical support for cybersecurity and network solutions Troubleshoot technical issues... ...as assigned Requirements: Diploma in IT/Computer Science/Cybersecurity or...4800 - 7000 SGD
...for the implementation of physical and logical security policies and practices in SGP Card Production, Perso... ...security configuration reviews of servers, network access controls and firewall rules To participate in new IT projects or solution implementations. To conduct...9000 - 10000 SGD
...Position Summary We are seeking a highly skilled Network Security Engineer with Subject Matter Expert (SME)–level expertise in AlgoSec Security Management solutions. The ideal candidate will have expert-level hands-on experience with AlgoSec firewall automation and integration...4000 - 6000 SGD
...reports including: a. Availability and uptime b. Incident summary c. Performance metrics d. Security events • Documentation i. Maintain up-to-date network and application delivery diagrams ii. Document configurations, procedures, and SOPs iii. Create...3500 - 5200 SGD
...Job Responsibilities: · Provide first-line IT helpdesk support & Level 1 user support. · Manage user accounts, system access rights, and password administration. · Support onboarding and offboarding activities, including device setup and account provisioning. · Assist...8000 - 13000 SGD
...opportunities with HPE. Job Description: Security Architecture & Design Develop and... ...controls such as:IAM controls (RBAC, PAM, MFA)Network segmentation & firewall policiesData... ...& Stakeholder Engagement Partner with:IT infrastructure teamsApplication/product teamsCloud...4000 - 5000 SGD
...JD for System Administrator The main purpose of the role is to support the system administration... .... This role reports into the Local SHE IT manager and Global ITS workplace team and... ...as per companies’ guidelines • Support network related incident raised • Support all L...8500 - 10000 SGD
...The Information Technology Security Officer(ITSO) is responsible for supporting the organization... .... The role ensures that IT systems, applications, and infrastructureare... ...Security Monitoring Tools Endpoint, Network, and Infrastructure Security Identity and...3000 - 4200 SGD
...Work with the Sr. Network and Security Engineer and Cybersecurity Manager on the strategic roadmap on Infrastructure security, Network Security,... ...management group wide. Assist in driving regionally assigned IT security and Network projects. Assist in planning,...6000 - 8000 SGD
...client are looking for an experienced IT Security Solution Engineer to design, implement,... ...on experience in firewall technologies, network security, and application delivery solutions... .... Perform centralized firewall administration using Panorama (Palo Alto) and SmartConsole...4500 - 5500 SGD
...Lifelong Learning SG (LLSG) strives to continues to strengthen its internal IT capabilities to support secure, reliable, and compliant operations. The Manager, IT (Network & Infrastructure) is responsible for the day-to-day ownership, governance, and continuous improvement...12000 - 15000 SGD
...seriously into cyber resilience and expanding their regional security engineering team. This is not a pure network operations role. It sits within security engineering and covers the deployment, administration, testing, and ongoing operation of security controls across network...7000 - 9000 SGD
...Responsibilities: Incident Response & Security Monitoring Track, manage, and escalate... ...applications (e.g. web client/server, mobile apps), networking and computing devices (e.g. firmware,... ...security reviews to ensure adherence to IT Security Policies, Standards, Controls and...3500 - 5000 SGD
...Responsibilities: · Provide timely IT support to internal and... ...of hardware, software and networks. · Communicate with our external... .... · Implement and manage security protocols, including access... ...experience in IT support, systems administration, or IT project coordination....5500 - 6000 SGD
...Role Summary The Network & Security Specialist will be responsible for deliveringenterprise network and security projects, supporting presales activities,designing technical solutions, and providing advanced troubleshooting support. The role requires strong technical...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to IT Network & Security Administrator. Be the first to apply!
