Principal/ Senior Network Engineer (L2/L3 - Operations Focused) (1-Net)

Mediacorp Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Mediacorp Pte Ltd is hiring a Network & Security Engineer to support 1-Net's IT Services portfolio in Singapore. You will design and implement network and firewall solutions, perform routine maintenance, and ensure service levels across cloud, managed, and data center services.

The role requires strong troubleshooting and a proactive approach to security and ops. You will work on OS, virtualization, and cloud platforms, while maintaining SOPs and contributing to ISO/QMS/ISMS/BCMS/PCI-DSS

Qualifications

• Diploma or degree in IT or computer-related field.
• CCNA or equivalent network certification.
• ITIL v3 or v4 knowledge preferred.
• Strong network troubleshooting skills with installation and configuration of networking devices.
• Experience across OS, databases, applications, networking devices, storage, firewalls, IDS/IPS, orchestration and virtualization.
• Experience with Operating Systems (RH Linux, CentOS, Ubuntu, Windows Server).
• Cloud knowledge: AWS, VMware, Hyper-V, Azure, OpenStack.
• Understanding of cloud/enterprise networking and security best practices.
• Knowledge of OS/Network security hardening.
• Excellent networking concepts and switch/routing knowledge.
• Experience in analysing security logs and network/security incidents.
• Strong sense of urgency and problem-solving under pressure.
• Good command of English, written and spoken.
• Customer focus, continuous learning, decision making, and commitment.

Responsibilities

• Support corporate and customer IT infrastructure and projects to meet SLAs.
• Design, architect and build network and firewall deployment solutions and frameworks.
• Deploy firewall best practices to secure data center infrastructure and apps.
• Participate in R&D to enable innovation of IT services.
• Monitor performance, perform patch management and capacity planning.
• Rectify IT operational issues and change requests within SLA.
• Manage and administer routers, switches, firewalls, VPN, and endpoint security.
• Provide diagnoses, resolutions, and documentation for enterprise network support.
• Install, configure, integrate and commission IT solutions for internal and external customers.
• Proactively seek better IT solutions to optimize operations and growth.

Skills

Network troubleshooting

Firewall and security

OS administration

Cloud & virtualization basics

English communication

Education

Diploma or degree in IT/Computer related field

CCNA or equivalent certification

ITIL v3/v4 knowledge

Tools

CCNA

Linux OS

Windows Server

AWS / Azure / OpenStack

Job description

This role is required to managed and support 1-Net's IT Services business, including Cloud Services, Managed Services, DC services, and Business Continuity Management Services.

• Support for corporate and customer IT infrastructure and projects in delivering services according to SOP to meet prescribed SLA.

• Support in design, architect and build network and firewall deployment solutions, frameworks, automation and orchestration to secure IT System and Infrastructure.

• Deploy and Implement firewall best practices solutions to secure the data center infrastructure, system and application levels.

• Participates in technical research and development to enable continuing innovation of IT services.

• Performance monitoring, preventive maintenance and patch management of IT equipment to ensure optimum performance. To propose capacity upgrade or replacement when required.

• Perform daily rectification of IT operational issues and change requests within expected service level agreement.

• Management and administration of network and security infrastructure such as Routers, Switches, Firewalls, VPN, endpoint security, etc.

• Provide diagnoses, resolution, and documentation in all aspects of supporting, implementing and managing an enterprise network environment.

• Provide installation, configuration, implementation, integration and commissioning of IT solution to internal and external customers.

• Proactively source for better IT solutions or services to optimize business operational efficiency and business growth via IT solutions and process changes.

• Perform schedule maintenance routine and update records for performance analysis.

• Responsible for planning and deployment of new and existing systems for internal and external.

• Maintain process documentation and follow approved standard operation procedures (SOP).

• Participate in certification requirements for QMS/ISMS/BCMS/PCI-DSS/OSPAR, etc.

Qualifications

• Minimum Diploma or Degree in Computer or other IT related field of study.

• Basic network certifications such as CCNA or equivalent required.

• ITIL v3 or v4 preferred.

• Must possess demonstrated Network troubleshooting skills and experience with installation and configuration of networking devices (switches, routers, firewalls, VPN, proxy and other network appliances).

• Working experience in multiple areas like OS, databases, applications, networking devices, storage devices, firewalls, IDS/IPS, orchestration and virtualization technologies, etc.

• Must possess IT trouble shooting skills and experience with Operating Systems (RH Linux, Centos, Ubuntu, Windows Servers).

• Basic Cloud Virtualisation technology knowledge like AWS, VMWare, and Microsoft Hyper-V, Azure, OpenStack, etc.

• Basic understanding of cloud / enterprise networking and security best practices.

• Knowledge of OS/ Network security hardening.

• Excellent networking concept and Switch & routing knowledge.

• Experience in analysing security log, network & security incident.

• Possess a strong sense of urgency.

• Problem solving skills and ability to work under pressure.

• Good command of English, both written and spoken.

• Customer focus, continuous learning, decision making and gaining commitment.

• Working location: 1-Net (East) at Chai Chee / 1-Net (North) Woodlands.