Field Application Engineer - Liquid Cooling Solutions (on-site)

Delta Energy Systems; Hoofddorp; Remote; EUR 70,000 - 95,000; Full time

Job summary

Delta is seeking a Field Application Engineer for Liquid Cooling Solutions in Hoofddorp, NL. You will own customer-facing technical success, drive liquid-cooling products from qualification to scale, and lead design-in, validation, on-site support, and RMAs while coordinating with Sales, Engineering, Quality, Operations and Manufacturing.

The role requires a Mechanical/thermal background, hands-on experience with liquid-cooling systems, and strong cross-functional collaboration.

Qualifications

• Degree in Mechanical, Thermal, Mechatronics or similar background.
• Experience in thermal/fluid systems relevant to data centers, HVAC/CRAC/CDU, server OEM, or related fields.
• Hands-on with pumps, valves, filters, sensors, coolant chemistries, and reliability testing.

Responsibilities

• Lead project milestones and cross-functional execution from design-in to volume.
• Engage with customers to capture requirements and discuss trade-offs.
• Define and execute test plans (pressure/leak, flow, thermal, vibration).
• Provide on-site technical support at data centers and customer facilities.
• Manage RMAs with first response and corrective actions.
• Interface with manufacturing to ensure quality and yield in liquid-cooling processes.
• Synthesize customer needs into product requirements and targets.

Skills

Thermal design

Project management

On-site support

CAD software

Cross-functional teamwork

Education

Degree in Mechanical Engineering

Tools

AutoCAD 3D

Pro/E

SolidWorks

Job description

Field Application Engineer - Liquid Cooling Solutions (on-site)

• Full-time

Delta, founded in 1971, and listed on the Taiwan Stock Exchange, is a global leader in switching power supplies and thermal management products with a thriving portfolio of IoT-based smart energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, “To provide innovative, clean and energy-efficient solutions for a better tomorrow,” Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across 5 continents.

Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies and dedication to ESG. Since 2011, Delta has been listed on the Dow Jones Best-in-Class World Index (formerly the DJSI World Index of Dow Jones Sustainability™ Indices) for 14 consecutive years. Delta has also won CDP with double A List for 4 times for its substantial contribution to climate change and water security issues and has been named Supplier Engagement Leader for its continuous development of a sustainable value chain for 7 consecutive years.

We are looking for a Field Application Engineer for our Fan and Thermal Business in our Hoofddorp, The Netherlands office. To own customer-facing technical success and drive liquid-cooling products from qualification to scale andlead design-in, validation, on-site support, and RMAs while bridging Sales, Engineering, Quality, Operations, and Manufacturing.

Key Responsibilities

• Project leadership: Plan/track milestones, manage risks, and drive cross-functional execution from design-in to volume.
• Customer technical engagement: Capture requirements, discuss trade-offs, ensure spec compliance, and support architecture decisions.
• Validation & quality: Define/execute test plans (pressure/leak, flow, thermal, vibration); document results and close actions.
• On-site technical support: Triage, stabilize, and optimize performance at data centers and customer facilities.
• RMA management: First response, on-site fault isolation, coordinate failure analysis with factory, implement and verify corrective actions.
• Manufacturing/process interface: Solid understanding of liquid-cooling manufacturing (brazing/welding, cleaning, leak/pressure/helium testing, flushing, packaging, traceability) and close collaboration with the manufacturing team to ensure quality and yield.
• Market & roadmap input: Synthesize customer needs and trends into product requirements and cost/quality targets.

• Degree in Mechanical, Thermal, Mechatronics, or similar background.
• Minimum 3to 5years in thermal/fluid systems (data-center cooling, HVAC/CRAC/CDU, server OEM, or related).
• Hands-on with pumps/valves/filters/sensors, coolant chemistries (water-glycol/dielectric), and reliability test methods.
• Strong knowledge of liquid cooling (cold plates, CDUs, manifolds, pumps, QDs) and manufacturing processes (brazing/welding, cleaning, leak/pressure testing, flushing).
• Proven project management experience to drive projects forward and hit dates.
• On-site technical support capability at customer/data-center locations and RMA handling.
• Ability to adapt quickly to fast, dynamic environments and full of team spirit
• Ability to discuss technical topics with customers, including design for manufacturing and cost improvements.
• Ability to design with AutoCad 3D, Pro/E, SolidWorks
• Strong cross-department communication
• Fluent English, other Europen languages are a plus