Network Engineer

We are seeking a skilled and motivated NetworkEngineer to support the design, implementation, maintenance, and optimisation of enterprise networkinfrastructure. The successful candidate will play a critical role in ensuring secure, reliable, and high-performingconnectivity across the organisation’s IT environment.

This role is ideal for individuals with strong technical knowledge in networking technologies, cybersecurity practices, and infrastructure operations who are passionate about delivering stable and secure network services.

About ITSEC Group

ITSEC Group is a leading cybersecurity organisation in the Asia-Pacific region, with offices in Singapore, Indonesia, Australia, UAE and Mauritius. We provide cybersecurity consulting and solutions to clients acrossa wide range of industries.

We provide cybersecurity consulting and solutions to clients across a wide range of industries.

Our team collaborates across regional offices to address complex security challenges and evolving cyber threats. Joining ITSEC Group provides exposure to wide range of consultancy projects, diverse technology environments and established cybersecurity practices.

We are seeking a skilled and motivated Cloud Engineer to manage and support enterprise virtualization and hyperconverged infrastructure platforms, primarily VMware and Nutanix environments. The successful candidate will be responsible for ensuring the availability, performance, scalability, and security of virtual infrastructure supporting business-critical applications.

This role requires strong technical expertise in virtualization technologies, infrastructure operations, automation, and troubleshooting within enterprise environments.

Key Responsibilities

Network Design and Implementation

· Implement and support LAN, WAN, WLAN, and cloud networking solutions.

· Configure and maintain routers, switches, firewalls, load balancers, and related network devices.

· Implement network segmentation including VLANs, subnets, and VPN solutions.

· Support SD-WAN and hybrid cloud networking deployments where applicable.

· Develop and maintain networkarchitecture diagrams andtechnical documentation.

Network Operations and Maintenance

· Monitor network performance, availability, and utilisation.

· Perform routine maintenance, firmware upgrades, and patch management.

· Manage IP addressing services including DHCP, DNS, and IPAM.

· Ensure redundancy and failover mechanisms are operational.

· Maintain backup configurations and recovery procedures.

Security and Compliance

· Configure and manage firewalls, IDS/IPS, and network access controls.

· Implement secure remote access solutions including VPN and Zero Trust access models.

· Conduct vulnerability assessments andsupport remediation activities.

· Ensure compliance with organisational security policies and regulatory requirements.

· Monitor security logs and investigate network-related security incidents.

Troubleshooting and Support

· Diagnose and resolve network connectivity and performance issues

· Provide support for network-related incidents and service requests

· Conduct root cause analysis (RCA) and recommend preventive improvements

· Collaborate withinfrastructure, application, and cybersecurity teams

Network Optimisation

· Analyse network performance metrics and recommend improvements.

· Optimise bandwidth usage and Ǫuality of Service (ǪoS) policies.

· Support network upgrades, expansion projects, and capacity planning.

· Contribute to continuous improvement initiatives.

Documentation and Reporting

· Maintain up-to-date network diagrams, inventories, and operational documentation.

· Document configurations, procedures, and implemented changes.

· Prepare periodic performance, incident, and compliance reports.

· Update operational runbooks and knowledge base articles.

Education & Experience

· Diploma or Degree in Information Technology, Computer Engineering, Computer Science, or Network related discipline.

· Relevant certifications such as CCNA, CCNP, PCNSA, NSE, or equivalent will be advantageous.

· Minimum 2–5 years of hands-on experience in network engineering or infrastructure support.

Technical Skills

· Hands-on experience with networking technologies and protocols including TCP/IP, routing, switching, VPN, and VLANs.

· Experience with enterprise network and security devicessuch as Cisco,Palo Alto, Check Point, or equivalent

· Familiarity with network monitoring and management tools such as SolarWinds or eG Enterprise

· Knowledge of firewall administration, IDS/IPS, SIEM, and cybersecurity best practices

· Exposure to cloud andvirtualisation platforms such as VMwareand Nutanix is an advantage.

· Strong troubleshooting, analytical, and problem-solving skills.

Soft Skills

· Strong troubleshooting and analytical skills.

· Good communication and documentation abilities.

· Ability to work independently and collaboratively in a team environment.

· Strong sense of responsibility and operational discipline.