Network Specialist

SiS International Limited becomes one of the largest distributor of IT solutions across Asian countries with over 40 years in the distribution business.

We are looking for a Network Consultant to support pre-sales, solution design, and post-sales delivery across our H3C, Arista, and DDI portfolio. You will work with vendors, partners, and customers to win deals, implement solutions, and provide technical expertise.

Responsibilities:

• Pre-sales & Solution Design

  • Lead pre-sales activities including solution demonstrations, presentations, proof-of-concept (POC) testing, and proposal development for H3C, Arista, and DDI solutions.
  • Design and present network architecture proposals based on H3C and Arista product lines, aligned with customer requirements.
  • Prepare technical documentation including Statements of Work (SoW), tender responses, and client-facing proposals.

• Vendor & Customer Engagement

  • Work with product and vendor teams (H3C, Arista, and DDI partners) to identify opportunities, share technology updates, and recommend solution enhancements.
  • Deliver customer training and knowledge-transfer sessions.

• Implementation & Technical Support

  • Support post-sales team on project delivery across ICT product, firewalls, wireless, and DDI infrastructure.
  • Provide on-site and remote technical support.
  • Act as a product specialist across multiple network operating environments and vendor platforms.
  • Carry out emergency duties and ad-hoc tasks when it is necessary.

Requirements:

• Bachelor’s degree or Higher Diploma in Computer Science, Information Technology, Computer Engineering, or a related discipline.

• Minimum 2 years of hands-on experience in networking or cybersecurity.

• Experience with H3C, Arista, or DDI (DNS, DHCP, IPAM) is an advantage.

• Prior pre-sales, solution architecture, or implementation experience is preferred.

• CCNA / CCNP or equivalent vendor certification.

• Knowledge of switching, routing (OSPF/BGP), SDN, Firewalls, Load balancer, DDI and Wireless.

• Proficient in English and Chinese.

• Willing to provide after-hours support when required.

• Strong problem-solving skills, able to work independently and handle cross-domain technical challenges.

• Eager to learn new technologies and stay current with vendor roadmaps.