JOB MISSION As a

Vehicle System Engineer,

you will operate at the i ntersection of Customer Support and Application Engineering

— two disciplines that, together, define the full customer journey. On one hand, you will serve as the

first line of support when clients receive our product , often working under pressure to help them get their solutions up and running quickly. On the other hand, you will

bring a long-term technical vision to each engagement , conducting deeper analysis and fostering close collaboration to set projects up for lasting success.

MAIN RESPONSIBILITIES/FUNCTIONS Your main responsibilities will be:

Handle customers

from around the globe helping them from simple technical queries to complicated ingeneering questions. Act as the

primary technical interface with customers

on all electric machine controllers, BMS, system integration, and system performance-related challenges. Perform

calibration, validation, and optimization of Electric propulsion systems

and storage systems using NX’s EMC and BMS product line-up on both test benches and vehicles. Follow a success recipe according to the company’s identity on how to

provide support

and help enhance it, aimed at operational efficiency, and product quality. Collaborate closely with R&D; and software development teams

to communicate field issues, new functionalitiy requirements, calibration outcomes, and recommendations for hardware/software enhancements. Collaborate closely with Business

to exchange information on clients, reporting field issues and taking information on each project. Provide on-site commissioning , troubleshooting and technical support at customer facilities when required. You must

ensure alignment on techincal specifications

throughout the support package/project. Develop, document,



and execute calibration procedures, test plans, and validation protocols

for customer-specific projects in vehicles or test benches. Enhance the documentation of NX’s products

available for clients and provide valuable insights on internal technical documentation.

WHAT WILL YOU BRING? - REQUIRED KNOWLEDGE AND EXPERIENCE ⚙️Technical skills: 5 years of experience in the field of power electronics

and application SW for inverters and BMS. You must

be able to analyze system (specially inverter and BMS) data logs and interpret them

in the search for issues or general evaluation. Knowledge of concepts on electric machine controller architecture

at HW level. Knowledge of concepts on SW structure controlling

electric machines. Understanding on electric machines at model equations level

and interpreting machine trajectories (mtpa/mtpv). Understanding basic BMS calculations

and protection functions at system level (SOC, SOP ...). Be able to

evaluate client’s mechanical and electrical setups

with NX’s products and provide them valuable recommendations. Experience in product integration

and/or test bench operation. Be able to respond to potential customer needs pragmatically , asessing the use of NX’s products on their applications, and evaluate potential problems. Experience working with ticketing systems

is appreciated.

Soft Skills: Communication & Presentation Skills :



Confidence in presenting technical and commercial proposals clearly and persuasively. High English level. Analytical Thinking:

Competence in reviewing lost opportunities and identifying root causes to improve future sales effectiveness. Importance of documentation culture.

Good quality documentation is the legacy we build for the people coming behind. Teach juniors:

Ramp up a team and provide them with technical knowledge.

WE OFFER - WHY NX TECHNOLOGIES Space to grow and develop in an innovative project with growth potential in the automotive sector. Be part of and learn from an expert team in the automotive industry with years of experience from leading OEMs and Tier 1 suppliers. 23 days of vacation plus additional company-designated closure days. Versátil working hours. Dynamic and collaborative environment.

⚡ ABOUT THE COMPANY NX Technologies is a newly established company that supplies advanced electronic products for electric mobility, suitable for both battery-based and hydrogen-based architectures. The company is headquartered in San Sebastián, with offices located in the Miramón Technology Park. The team is composed of automotive engineers with extensive experience in the sector, coming from leading Original Equipment Manufacturers (OEMs) and Tier 1 suppliers, and is supported by a board of industry experts and investors. The company has great growth prospects, and we are actively seeking motivated and passionate individuals in the sector to help us develop projects for top-tier automotive clients and internal product development projects in the field of power electronics and battery management systems. Joining NX means becoming a vital part of a forward-thinking community dedicated to reshaping the future of energy and mobility. Are you ready to join us?

📌 Vehicle System Engineer (San Sebastián)
🏢 NX Technologies
📍 San Sebastián