Responsibilities:

1. Lead the mechanical design of communications products, from concept and solution design to 3D modeling, prototype verification, and mass shipment.

2. Provide technical support and resolve mechanical design issues on the production line and at project sites.

3. Drive technological innovation and tackle key technical challenges in communications product mechanical design to enhance customer satisfaction.

4. Contribute to the accumulation of technical knowledge and draft or participate in drafting standards and specifications for mechanical design.

Qualifications:

1. Bachelor's degree or higher in Mechanical Engineering, Manufacturing Engineering, Materials Forming, Mold Design, or a related field.

2. Strong spatial reasoning skills and a solid foundation in mechanical drawing. Proficient in using CAD software for mechanical part design; experience with Pro/E or SolidWorks is a plus.

3. A good understanding of manufacturing processes for mechanical components.

4. Diligent, responsible, and proactive, with excellent teamwork, communication, and coordination skills.

Contact: Ms. Zhang

Email: zhang.yao11@ztrs.com.cn

Responsibilities:

1. Conduct system function, fault tolerance, performance, stress, and stability testing for Ethernet switches.

2. Design test plans and test cases based on project requirements.

3. Execute tests according to plans, submit bug reports, and perform issue tracking and regression testing.

4. Author technical documentation, including user manuals, installation guides, troubleshooting manuals, and training presentations.

5. Handle commissioning and debugging for short-term projects.

Qualifications:

1. Full-time Bachelor's degree or higher in Computer Science, Electronics, or Communications Engineering.

2. At least 3 years of testing experience with data communication products (e.g., switches, routers, Layer 3 switches).

3. Experience in large-scale project commissioning, debugging, and maintenance; able to travel for short-term assignments.

4. Familiar with common network protocols (TCP, UDP, ICMP) and L2/L3 protocols. Proficient in switch technologies such as VLAN, VLANIF, LLDP, STP, QoS, 802.1x, RIP, OSPF, BGP, VRRP, PIM, SNMP, MSTP, ERPS, IGMP Snooping, GMRP, QinQ, ARP, etc.

5. Proficient with at least one type of network testing instrument (e.g., Xinertel, IXIA).

6. Strong documentation skills, capable of producing professional test cases, reports, plans, user manuals, installation guides, troubleshooting guides, and training materials.

7. Excellent communication skills to effectively report and describe bugs to developers and track issues until resolution.

8. Strong self-learning ability, outgoing, enthusiastic, a team player, and hands-on.

Contact: Ms. Zhang

Email: zhang.yao11@ztrs.com.cn

Responsibilities:

1. Manage sales of rail transit communication solutions nationwide.

2. Drive sales of the company's switch products within the rail transit industry.

3. Explore and develop markets for the company's switch products in other application scenarios.

4. Establish and execute sales targets for the company's switch products.

5. Lead sales and market expansion for the company's proprietary products in the rail transit sector and other industries.

6. Develop overseas markets for the company's proprietary products.

Qualifications:

1. Bachelor's degree or higher in Electronics, Information Technology, Communications, Computer Science, Automation, Software Engineering, or a related field.

2. Excellent communication, coordination, and presentation skills, with a strong capacity for learning and innovation.

3. Work Location: Nationwide.

Responsibilities:

1. Manage the pre-bid and post-bid selection and negotiation with brand suppliers, subcontractors, and component vendors for projects in the assigned region and support other regions; sign related contracts.

2. Oversee payment control and delivery for material-level procurement.

3. Provide procurement cost analysis and business data support.

4. Source, evaluate, and negotiate with suppliers; organize tenders when necessary.

5. Improve the company's procurement policies and optimize procurement workflows and standards.

Qualifications:

1. High level of professional ethics, including compliance, integrity, and honesty; follows work arrangements and company policies.

2. Meticulous, responsible, self-driven, and results-oriented with strong planning and organizational skills.

3. Price-sensitive with a strong sense of cost control.

4. Proactive communicator with a strong sense of teamwork.

5. Full-time Bachelor's degree or higher with over 4 years of procurement experience and over 2 years in a communications-related role. Major in Communications or Computer Science preferred. Experience in the rail transit industry is a plus.

6. Familiar with procurement processes; strong skills in supplier development, negotiation, and relationship management.

7. Work Location: Shenzhen.

Contact: Ms. Zhang

Email: zhang.yao11@ztrs.com.cn

Responsibilities:

1. Develop switch products, including platform porting, board bring-up, and feature debugging.

2. Identify, analyze, and resolve issues encountered at customer sites.

3. Fix bugs reported by testing personnel and customers and prepare related documentation.

Qualifications:

1. Familiar with Linux driver development, including BSP, device management, interrupts, and DMA.

2. Experience in driver development for switch chips from manufacturers like Marvell, Centec, or Realtek.

3. Familiar with register configuration (read/write) for mainstream switch chips.

4. English proficiency at CET-4 level or equivalent, able to read chip datasheets and SDK documentation.

5. Proficient in C programming and the fundamental principles of the Linux operating system.

Contact: Ms. Zhang

Email: zhang.yao11@ztrs.com.cn