Technical Support Engineer

RelyEZ Energy Storage; España; Presencial; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

RelyEZ Energy Storage is seeking a proactive presales engineer to support our European BESS projects. The role focuses on technical solution design, customer communications, tender support, and ensuring grid-code compliance to win utility-scale and C&I storage deals.

You will work with local sales teams, develop reusable presales assets, and help accelerate market expansion across Europe. Fluent English and Spanish are required; travel across Europe is expected.

Formación

• Bachelor's degree or above in Electrical Engineering, Power System, Renewable Energy, or Automation.
• 1-5 years' BESS presales/solution experience for utility or C&I energy storage.
• Fluent English and Spanish for client communication and presentations.
• Willingness to travel across Europe and work with local sales teams.

Responsabilidades

• Provide turnkey BESS solutions for European utility-scale and C&I projects.
• Design system topology, PCS/EMS configuration, and thermal/fire protection solutions.
• Deliver presales documents: proposals, presentations, SLD, BOM, and comparisons.
• Attend customer meetings, answer inquiries, and conduct technical negotiations.
• Manage tender technical documents, deviation sheets, and bid compliance.
• Research European grid standards and local market rules.

Conocimientos

Presales experience

Technical communication

Proposal writing

Customer-oriented mindset

Willingness to travel

Educación

Bachelor's degree in Electrical Engineering

Herramientas

PCS/EMS configuration

Grid code knowledge

Descripción del empleo

We are a professional energy storage system integrator focusing on Utility-scale BESS & Commercial & Industrial BESS. We are rapidly expanding our European market. This presales role fully supports local sales teams, responsible for technical solution design, customer technical communication, tender support, grid code compliance analysis, and sales empowerment. The core objective is to help sales win BESS projects and build long-term customer technical trust in Europe.

Key Responsibilitie

• Provide professional turnkey BESS solutions for European utility-scale and C&I energy storage projects
• Design system topology, PCS/EMS configuration, thermal management & fire protection solution, grid connection solution according to local grid codes
• Deliver full presales documents: proposal, technical presentation, single-line diagram, BOM, benefit analysis, competitor comparison
• Attend customer technical meetings, answer technical inquiries, conduct technical negotiation & clarification
• Be fully responsible for tender technical documents, technical response sheets, deviation sheets, bid compliance checking
• Research European local grid standards, energy policies, grid codes, certification requirements, and local market rules
• Build standardized European BESS solution library, FAQ library, and sales training materials
• Provide technical training for local sales, distributors and partners
• Identify presales risks including grid connection risks, compliance risks, technical matching risks in early stage

.Requirement

• Bachelor's degree or above in Electrical Engineering, Power System, Renewable Energy, Automation
• .1-5 years BESS presales / solution experience in utility & C&I energy storage
• .Familiar with BESS system structure, PCS, EMS, battery container, fire & thermal system
• .Knowledge of European grid codes (G99/G100, VDE, CE etc.) is preferred
• .Fluent English and Spanish for client communication, technical presentation and business negotiation
• .Strong logic, proposal writing skills and customer-oriented mindset
• .Able to travel locally in Europe and cooperate closely with sales team
• .Previous overseas energy storage presales experience is highly preferred

.Core Valu

• Act as the technical front door of the company's European market
• Improve project win rate and support fast European market expansion
• .Build localized European BESS presales system and technical barrier