Technical Specialist, Network & Security

About the role

Eastech Systems Limited is seeking a Technical Specialist, Network & Security to join our growing team on a full-time basis. This role is based in Kowloon Bay, Kwun Tong District. As a Technical Specialist, you will play a vital role in maintaining, optimising, and securing our network infrastructure whilst ensuring seamless connectivity and data protection across the organisation. This position is strategic to our IT operations and directly contributes to the security posture and reliability of our business systems.

Key responsibilities

• Design, implement, and maintain network infrastructure including routers, switches, firewalls, and VPN systems to support business operations
• Monitor network performance and conduct proactive troubleshooting to ensure optimal system availability and minimal downtime
• Manage network security protocols, implement security patches, and conduct regular security audits to protect against threats and vulnerabilities
• Configure and administer network access controls, including user authentication, authorisation, and firewall rule management
• Provide technical support and troubleshooting assistance to end users and internal teams for network-related issues
• Document network configurations, create technical documentation, and maintain up-to-date system inventories
• Collaborate with IT teams to plan network expansions, upgrades, and infrastructure improvements
• Ensure compliance with relevant security standards, policies, and regulatory requirements applicable to network operations

What we're looking for

• Tertiary qualification in Information Technology, Computer Science, Networking, or equivalent professional certification (such as CompTIA Network+, Cisco CCNA, or Microsoft Certified)
• Minimum 3-5 years of hands-on experience in network administration, systems administration, or network engineering roles
• Proficiency with network management tools, protocols, and technologies including TCP/IP, DNS, DHCP, VPN, and firewalls
• Strong knowledge of network security principles, threat prevention, and security best practices
• Experience with enterprise-level network hardware and software platforms
• Excellent problem-solving skills with the ability to diagnose and resolve complex network issues efficiently
• Strong communication skills and the ability to work effectively both independently and as part of a technical team
• Familiarity with monitoring and management tools such as network performance analysers and SIEM platforms
• Preferred: Experience with cloud networking, virtualisation technologies, or infrastructure as code
• Preferred: Knowledge of current cybersecurity threats and mitigation strategies

What we offer

At Eastech Systems Limited, we are committed to supporting the professional development and wellbeing of our employees. We offer a competitive salary package, comprehensive health and wellness benefits, and opportunities for continuous learning through professional development programmes and certification support. We foster a collaborative working environment where technical expertise is valued and career progression is supported. Additionally, we provide flexible working arrangements where possible to help you balance your professional and personal responsibilities.

About us

Eastech Systems Limited is a leading provider of information and communication technology solutions, specialising in networks and systems administration. We are dedicated to delivering robust, secure, and scalable IT infrastructure solutions that empower businesses to operate efficiently and securely. Our commitment to innovation, quality, and customer satisfaction drives everything we do. We pride ourselves on fostering a workplace culture of technical excellence, continuous improvement, and collaboration, where our talented team members are encouraged to grow and contribute meaningfully to our success.

Accelerate Your Career With Us!