Are you ready to join a leading global renewable energy company that is making

a positive impact on the world?

We are X-ELIO , a Brookfield-owned company and a global leader in the renewable

energy sector; with over 3 GW of renewable projects (solar/BESS) built, we

currently operate in 12 countries and have a development pipeline of 12 GW of

solar and 14 GW of BESS capacity, and we are looking for you!

Reporting to: BESS Engineering Manager

Based in: Madrid, Spain

The selected Jr BESS Engineer will be a top renewable developer present in 13 countries across

5 continents, with +3.5 GW built, +10 GW PV pipeline and +15 GW BESS pipeline. Owned by

Brookfield, focused on utility-scale solar and energy storage. This role belongs to the BESS Center

of Excellence within the Global Storage department, reporting to the BESS Engineering Manager.

What will you do?

• Technical Support: Provide global technical support to Business Units on hybrid,
• co-located, and standalone BESS projects; evaluate plant capabilities, dimension energy
• storage systems, and advise on design, installation, O&M best practices.
• Engineering Standards: Develop and maintain BESS design standards; ensure
• compliance with regulatory requirements, industry standards, and internal quality
• benchmarks.
• Technical Documentation: Develop technical specifications for OEM and EPC
• tender processes; support conceptual and detailed engineering approval across all BESS
• topologies and project stages.
• Optimization: Identify techno-economic improvement opportunities; integrate
• performance levels into BESS dispatch simulation models to maximize revenue capture;
• communicate methodology and results to stakeholders.
• CAPEX Estimation: Analyze BESS supplier offers from a techno-economic
• perspective to forecast CAPEX for BESS technologies.
• Supplier Engagement: Support technical discussions with technology suppliers;
• evaluate proposals and technical bids from BESS suppliers and EPC contractors in RFP
• processes.
• Innovation: Monitor cutting-edge energy storage technologies; develop
• methodologies to improve efficiency, reliability, and cost-effectiveness of BESS
• systems.

What do we need?

• 2+ years of experience with BESS projects (design, procurement, delivery) at national

and international level

• Battery technology expertise: Li-ion chemistry, grid integration, and technical KPIs

(degradation, usable energy, DOD, energy throughput)

• Bachelor’s in Engineering; Master’s in BESS or renewable energies preferred

• Proficiency in MS Office (advanced Excel) and project planning software

• Fluent English and Spanish; additional languages a plus (Italian, German)

• Power Conversion Systems for BESS; HV/MV equipment (transformers, switchgear)

• BESS EPC models (full wrap or dual EPC)

• Design software: AutoCAD, AutoCAD Electrical

• Renewable energy business principles and basic electricity markets

• Team player, proactive, detail and goal-oriented

• Strong organizational, time management, and problem-solving skills

• Ability to explain complex engineering topics clearly to internal and external

audiences

• Comfortable working with incomplete information across multiple simultaneous

projects

• Passion for renewables and energy sustainability

What do we offer?

• Career development in a leading international environment

• Yearly bonus based on objectives

• Flexible work schedule

• Hybrid remote model (2 remote days per week)

• Ticket Restaurant & Health Insurance

• Additional perks: Healthy X-Elio, Workshops, Green Mobility programs

Join a team of passionate and talented individuals making a positive impact in

the world!

If you are interested in the position and want to know more apply to the link, for

any other query, contact us at

At X-ELIO, we are an equal opportunity employer. We welcome applicants from all walks of life and

are committed to a fair and unbiased hiring process that respects individuals regardless of their

gender, race, ethnicity, sexual orientation, religion, or any other personal characteristics. We

encourage candidates from diverse backgrounds to submit their applications

X-ELIO does not accept resumes from third-party recruiters, staffing agencies, or search firms for

positions posted on any of our careers platforms. If you are a representative of such an

organization, please contact the X-ELIO People & Culture team directly at

for consideration.

X-ELIO and its affiliates will not be responsible for any fees related to resumes submitted through

this source or unsolicited resumes sent to any member of X-ELIO’s team. Any such resumes will be

considered the property of X-ELIO.

We have established an approved vendor program for recruiting services and will only review

solicited submissions from agencies that are part of this program and have a signed agreement in

place. All recruiting-related inquiries should be directed exclusively to the X-ELIO People & Culture

team.