227 Network Specialist jobs in Singapore

Join the Centre for IT Services as a Network Specialist and take a leading role in shaping and maintaining a state-of-the-art network infrastructure. This dynamic position offers opportunities for professional growth and meaningful contributions to impactful projects. You will oversee the design, implementation, and management of the university's network systems, ensuring secure, reliable, and high-performance connectivity to support the university's academic, research, and administrative excellence.

Responsibilities:

• Plan, design, implement, and manage the university's enterprise network infrastructure to ensure high availability, reliability, and scalability in support of academic, research, and administrative functions.
• Monitor network performance, proactively identify issues, and carry out timely troubleshooting and optimization to maintain service continuity and quality.
• Implement and maintain robust network security measures, enforce access controls, and ensure compliance with relevant cybersecurity standards and institutional policies.
• Lead network-related projects and infrastructure upgrades, including the deployment of new technologies, by coordinating with internal stakeholders and external vendors to ensure timely and cost-effective delivery.
• Maintain accurate and up-to-date technical documentation, including network diagrams, configurations, and operational procedures, to support troubleshooting and future planning.
• Manage vendor relationships, monitor service level agreements (SLAs), and participate in the evaluation and procurement of network solutions and services.
• Collaborate with faculty, researchers, and administrative departments to understand connectivity requirements and provide expert advice and solutions to meet evolving user needs.
• Support budget planning and monitor the efficient use of allocated resources for network operations and projects.
• Maintain and share technical knowledge and best practices to promote operational excellence, continuity, and cross-functional collaboration.

Requirements

• Degree in Computer Science, Computer Engineering, Electrical Engineering, or a related discipline.
• At least 8 years of relevant experience in managing and administering campus or enterprise networks, including switches, routers, DNS, VPNs, and firewalls.
• Strong knowledge of network architecture, protocols (e.g., TCP/IP, BGP, OSPF), enterprise-grade network equipment, and network security practices.
• Proficient in network performance tuning, troubleshooting, and the use of monitoring and diagnostic tools.
• Experience with network automation using tools and scripting languages such as Ansible, Python, Perl, or REST APIs.
• Proven ability to manage vendors and ensure compliance with service level agreements.
• Project management experience in planning and delivering network initiatives involving multiple stakeholders.
• Strong communication and stakeholder engagement skills, with the ability to convey technical information clearly to non-technical users.
• Demonstrated analytical and problem-solving skills, with a track record of implementing practical and effective solutions.

We regret that only shortlisted candidates will be notified.

• Plan, design, implement, and manage the university's enterprise network infrastructure to ensure high availability, reliability, and scalability in support of academic, research, and administrative functions.
• Monitor network performance, proactively identify issues, and carry out timely troubleshooting and optimization to maintain service continuity and quality.
• Implement and maintain robust network security measures, enforce access controls, and ensure compliance with relevant cybersecurity standards and institutional policies.
• Lead network-related projects and infrastructure upgrades, including the deployment of new technologies, by coordinating with internal stakeholders and external vendors to ensure timely and cost-effective delivery.
• Maintain accurate and up-to-date technical documentation, including network diagrams, configurations, and operational procedures, to support troubleshooting and future planning.
• Manage vendor relationships, monitor service level agreements (SLAs), and participate in the evaluation and procurement of network solutions and services.
• Collaborate with faculty, researchers, and administrative departments to understand connectivity requirements and provide expert advice and solutions to meet evolving user needs.
• Support budget planning and monitor the efficient use of allocated resources for network operations and projects.
• Maintain and share technical knowledge and best practices to promote operational excellence, continuity, and cross-functional collaboration.

• Degree in Computer Science, Computer Engineering, Electrical Engineering, or a related discipline.
• At least 8 years of relevant experience in managing and administering campus or enterprise networks, including switches, routers, DNS, VPNs, and firewalls.
• Strong knowledge of network architecture, protocols (e.g., TCP/IP, BGP, OSPF), enterprise-grade network equipment, and network security practices.
• Proficient in network performance tuning, troubleshooting, and the use of monitoring and diagnostic tools.
• Experience with network automation using tools and scripting languages such as Ansible, Python, Perl, or REST APIs.
• Proven ability to manage vendors and ensure compliance with service level agreements.
• Project management experience in planning and delivering network initiatives involving multiple stakeholders.
• Strong communication and stakeholder engagement skills, with the ability to convey technical information clearly to non-technical users.
• Demonstrated analytical and problem-solving skills, with a track record of implementing practical and effective solutions.

• Handle regular preventive maintenance on the NQSN+.
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual machines, dockers, containers, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
• Contribute to and assist with presales activities for RFPs, RFIs, and RFQs.
• Responsible for troubleshooting and timely resolution of faults/issues within the scope of NQSN+.
• Analyse NQSN+ performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
• Prepare statistical reports on network and equipment performance.
• Perform NQSN+ performance analysis.
• Proactively engages Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.

• Singaporean only
• A bachelor's degree in electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
• 1 to 3 years' experience in cloud or DevOps environments and systems operations.
• Working knowledge of container technologies, orchestration tools (e.g., Kubernetes), and Linux-based operating systems.
• Possess knowledge on routers, switches, and firewalls installation and upgrade procedures, e.g. Cisco, Juniper and Fortinet.
• Some knowledge about Quantum Key Distribution and Encryption technologies.
• Understanding of Internet routing protocols and technologies including TCP/IP.
• Good analytical and trouble-shooting skills in technical fault isolation and rectification.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word.
• Manage principal vendors, providers, internal and external stakeholders.
• Write and implement policies, guidelines and SOPs for managing the infrastructure.
• Excellent written and verbal communication skills are required.

• Handle regular preventive maintenance on the NQSN+.
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual machines, dockers, containers, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
• Contribute to and assist with presales activities for RFPs, RFIs, and RFQs.
• Responsible for troubleshooting and timely resolution of faults/issues within the scope of NQSN+.
• Analyse NQSN+ performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
• Prepare statistical reports on network and equipment performance.
• Perform NQSN+ performance analysis.
• Proactively engages Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.

• Singaporeans only
• A bachelor's degree in electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
• 1 to 3 years' experience in cloud or DevOps environments and systems operations.
• Working knowledge of container technologies, orchestration tools (e.g., Kubernetes), and Linux-based operating systems.
• Possess knowledge on routers, switches, and firewalls installation and upgrade procedures, e.g. Cisco, Juniper and Fortinet.
• Some knowledge about Quantum Key Distribution and Encryption technologies.
• Understanding of Internet routing protocols and technologies including TCP/IP.
• Good analytical and trouble-shooting skills in technical fault isolation and rectification.
• Possess good interpersonal and communication skills. Must be a team player.
• Self-starter and highly driven with the ability to work independently, as well as in a team.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word.
• Manage principal vendors, providers, internal and external stakeholders.
• Write and implement policies, guidelines and SOPs for managing the infrastructure.
• Excellent written and verbal communication skills are required.

• Ensure network platform is functioning properly at customer sites.
• Maintain the availability of network operations including network related incident and change management in accordance with stipulated Service Level Agreements.
• Prepare for the commission, de-commissioning and tech refresh of network devices.
• Facilitate in problem solving and collaboration and provide a fast break-fix solution and service.
• Provide preventive maintenance such as patching and firmware updates for network devices.
• Ensure network infrastructure complies with security policies.
• Prepare and maintain assets to ensure availability and update of capacity reports.
• Update process and procedural documents.
• Support and assist in product/solution demonstrations, proof of concepts and installation for customers & resellers.
• Analyze helpdesk (Level 1 support) / via phone or email requests promptly and provide solutions, follow-up on helpdesk for technical support on all Business Unit Products and Solutions.

• Bachelor's degree or Diploma in Information Technology/Information Systems/Computer Science, Business IT, Engineering or its equivalent.
• At least 1 year of experience in network support.
• Good knowledge of the following, but not limited to:
• Firewall technologies (high availability, virtual firewall concept).
• IP load balancer.
• Campus Network Design, Distribution and core switches, Wireless.
• Network Access Control.
• Router configuration (high availability).
• LAN and WAN administration.

• Working hours 9am to 6pm / 9pm to 6am (Mon to Fri).

• Licence no: 12C6060.

To support Singtel's National Quantum Safe Network+ (NQSN+) products and services in all aspects of maintenance and operations

• Handle regular preventive maintenance on the NQSN+.
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual machines, dockers, containers, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
• Contribute to and assist with presales activities for RFPs, RFIs, and RFQs.
• Responsible for troubleshooting and timely resolution of faults/issues within the scope of NQSN+.
• Analyse NQSN+ performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
• Prepare statistical reports on network and equipment performance.
• Perform NQSN+ performance analysis.
• Proactively engages Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.

Requirement

• Singaporean only
• A bachelor's degree in electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
• 1 to 3 years' experience in cloud or DevOps environments and systems operations.
• Working knowledge of container technologies, orchestration tools (e.g., Kubernetes), and Linux-based operating systems.
• Possess knowledge on routers, switches, and firewalls installation and upgrade procedures, e.g. Cisco, Juniper and Fortinet.
• Some knowledge about Quantum Key Distribution and Encryption technologies.
• Understanding of Internet routing protocols and technologies including TCP/IP.
• Good analytical and trouble-shooting skills in technical fault isolation and rectification.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word.
• Manage principal vendors, providers, internal and external stakeholders.
• Write and implement policies, guidelines and SOPs for managing the infrastructure.
• Excellent written and verbal communication skills are required.

To support Singtel's National Quantum Safe Network+ (NQSN+) products and services in all aspects of maintenance and operations

• Handle regular preventive maintenance on the NQSN+.
• Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual machines, dockers, containers, network monitoring and management systems.
• Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
• Contribute to and assist with presales activities for RFPs, RFIs, and RFQs.
• Responsible for troubleshooting and timely resolution of faults/issues within the scope of NQSN+.
• Analyse NQSN+ performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
• Prepare statistical reports on network and equipment performance.
• Perform NQSN+ performance analysis.
• Proactively engages Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.

Requirement

• Singaporeans only
• A bachelor's degree in electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
• 1 to 3 years' experience in cloud or DevOps environments and systems operations.
• Working knowledge of container technologies, orchestration tools (e.g., Kubernetes), and Linux-based operating systems.
• Possess knowledge on routers, switches, and firewalls installation and upgrade procedures, e.g. Cisco, Juniper and Fortinet.
• Some knowledge about Quantum Key Distribution and Encryption technologies.
• Understanding of Internet routing protocols and technologies including TCP/IP.
• Good analytical and trouble-shooting skills in technical fault isolation and rectification.
• Possess good interpersonal and communication skills. Must be a team player.
• Self-starter and highly driven with the ability to work independently, as well as in a team.
• Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
• Possess basic knowledge of office applications skills e.g. Excel, Visio, Word.
• Manage principal vendors, providers, internal and external stakeholders.
• Write and implement policies, guidelines and SOPs for managing the infrastructure.
• Excellent written and verbal communication skills are required.

Jurong Port’s multipurpose port operating expertise includes efficient handling of general, bulk and containerized cargo, management and operations of the Tuas Offshore Marine Centre, and Lighter Terminals in Penjuru and Marina South. Besides Singapore, Jurong Port is involved in overseas joint ventures in China and Indonesia. In 2016, Jurong Port’s local and overseas terminals handled close to 35 million tons of general and bulk cargo, and 560,000 TEUs of container cargo.
Overview
Operations focused on network engineering and security for both on-premise and cloud environments, with responsibilities spanning planning, design, implementation, support, and governance of network assets and related IT policies.
Responsibilities
Operations Support: Responsible for the planning, design, installation, configuration and support of both on-premise and cloud network assets (including LAN, WAN, internet, leased lines, routers, core and access switches, firewalls, cabling, cloud network components, etc.).
Manage the lifecycle of all network assets and ensure that end-of-life assets are replaced timely.
Configure and optimize complex core and access network assets to meet performance levels, security standards and regulations.
Recommend process or service improvements for resource optimization and cost savings; assist in the development of SLA, metrics and performance indicators.
Troubleshoot, diagnose, resolve and document multi-faceted network issues and incidents.
Perform network capacity monitoring and planning for network resources.
Maintain operational documentation, SOPs and work processes; review and update relevant IT policies and procedures.
Project implementation and technology enhancement: Explore suitable technologies and solutions to meet current and future IT needs; manage large-scale and/or complex network projects including technology assessment, procurement, implementation and transition to support.
Provide oversight on projects undertaken by junior team members; collaborate across IT teams to ensure smooth delivery of new implementations.
Provide technical expertise and inputs to tender documents for network-related infrastructure projects; evaluate and recommend technologies to enhance network infrastructure.
Review and perform maintenance support contract renewals.
Cybersecurity, BCP and compliance: Assess and respond to network-related cybersecurity issues, incidents, advisories, vulnerabilities and risks, including implementing resolutions or mitigations.
Ensure relevant firmware upgrades and patches are rolled out timely to network assets.
Participate in annual DR exercise and/or BCP activities; ensure network devices comply with internal policy and regulatory requirements; identify improvement areas to existing network-related policies and procedures.
Job Requirements
Degree in computer science, computer engineering, information technology or relevant field.
Possess relevant IT certifications including CCNA, CCNP, CISSP, Check Point CCSA; cloud certifications (e.g., AWS, Azure) preferred.
Minimum 4 years of relevant experience.
Deep technical knowledge in networking technologies and protocols.
Know-how in designing, deploying, managing and operating large-scale network and security infrastructure.
Strong vendor and project management skillset.
Knowledge in designing and managing cloud IaaS infrastructure (e.g., AWS).
Hands-on experience and problem-solving skills in network administration and support.
Experience in supporting various network hardware (e.g., Cisco/Huawei switches and routers).
Experience in supporting various security hardware (e.g., Check Point, Fortigate, Cisco, Palo Alto firewall, Aruba/Cisco wireless controller), VPN, NAC.
Strong knowledge in network design principles, tools and technologies including LAN, WAN, firewalls, IPS, VPN, MFA, CDN, DNS, VoIP, scripting, network access control and public cloud.
Characteristics
Pro-active, analytical, dynamic, dedicated and responsible self-starter with strong customer orientation and ability to multi-task and prioritize.
Strong organization skills with the ability to work in a team-oriented, collaborative environment.
Highly self-motivated and detail-oriented.
Excellent communications and stakeholder management skills, with strong vendor and contract management abilities.
Committed to ongoing learning and development.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
Maritime Transportation and Transportation, Logistics, Supply Chain and Storage
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Overview
To support Singtel’s National Quantum Safe Network+ (NQSN+) products and services in all aspects of maintenance and operations
Responsibilities
Handle regular preventive maintenance on the NQSN+.
Support the expansion, upgrades and rollouts of new network and systems infrastructure involving hardware such as routers, switches, firewalls, virtual machines, dockers, containers, network monitoring and management systems.
Support engineering teams on new product/ feature implementation, node deployment, and technical support matters.
Contribute to and assist with presales activities for RFPs, RFIs, and RFQs.
Responsible for troubleshooting and timely resolution of faults/issues within the scope of NQSN+.
Analyse NQSN+ performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
Prepare statistical reports on network and equipment performance.
Perform NQSN+ performance analysis.
Proactively engages Engineering teams and recommend courses of actions to prevent incidents that may be caused by performance issues.
Requirements
Singaporeans only
A bachelor’s degree in electrical / Electronic / Computer Engineering / Computer Science / Information Systems from a recognized institution.
1 to 3 years’ experience in cloud or DevOps environments and systems operations.
Working knowledge of container technologies, orchestration tools (e.g., Kubernetes), and Linux-based operating systems.
Possess knowledge on routers, switches, and firewalls installation and upgrade procedures, e.g. Cisco, Juniper and Fortinet.
Some knowledge about Quantum Key Distribution and Encryption technologies.
Understanding of Internet routing protocols and technologies including TCP/IP.
Good analytical and trouble-shooting skills in technical fault isolation and rectification.
Possess good interpersonal and communication skills. Must be a team player.
Self-starter and highly driven with the ability to work independently, as well as in a team.
Able to document and investigate existing infrastructure for the benefit of maintaining and operating the environment, discovering possible security breaches or vulnerabilities or finding opportunities for improvement for optimal network performance.
Possess basic knowledge of office applications skills e.g. Excel, Visio, Word.
Manage principal vendors, providers, internal and external stakeholders.
Write and implement policies, guidelines and SOPs for managing the infrastructure.
Excellent written and verbal communication skills are required.
#J-18808-Ljbffr