SENIOR BESS ENGINEER (F/M/D) | IGNITIS RENEWABLES

Posted 2 Days Ago
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Warsaw, Warszawa, Masovian
Senior level
Utilities • Renewable Energy
The Role
As a Senior BESS Engineer, you will lead the engineering and integration of battery energy storage systems, ensuring compliance with specifications and performance requirements. You will evaluate supplier proposals, support testing, and maintain technical documentation. Your expertise will contribute to large-scale battery storage projects in the development and operational phases.
Summary Generated by Built In

Company Description

Do you want to contribute to projects that are changing the future of green energy generation across the Baltics? Ignitis Renewables is a part of Ignitis Group – a renewables-focused integrated utility. Our purpose is to create a 100% green and secure energy ecosystem for current and future generations.

Ignitis Renewables focuses on developing green generation and green flexibility technologies. By developing onshore and offshore wind, solar, battery and power-to-X technologies, the company is implementing Ignitis Group’s strategic priority to deliver 4–5 GW of installed green capacities by 2030.

www.ignitisrenewables.com

Job Description

We are currently looking for a new colleague to join the Storage Engineering Team of Ignitis Renewables, where you’ll be applying battery engineering expertise to support development and implementation of large-scale battery storage projects. If that speaks to you, we’d be happy to welcome you to our team! 

You will contribute to green and secure energy ecosystem creation by: 

  • Delivering battery energy storage systems (BESS) engineering expertise across all project phases: feasibility, development, design, construction including commissioning, and operation 
  • Leading the system engineering and integration of BESS components into holistic system, capable to provide all technical functions, commercial services and ensure high performance 
  • Specifying, selecting BESS subsystems as well as reviewing single line drawings, communication wiring diagrams, and BESS layouts 
  • Evaluating BESS supplier equipment proposals and validating full engineering design solutions 
  • Ensuring compliance with technical specifications and owner’s interfaces, connection requirements and grid codes, cybersecurity, and performance requirements 
  • Defining and providing technical parameters to facilitate investment case modeling in line with battery storage industry standards 
  • Supporting functional, communication, and compliance testing of BESS assets and coordinating involved stakeholders 
  • Developing and maintaining technical documentation, manuals, and operational guidelines 
  • Maintaining engaged contact with BESS suppliers to monitor BESS products and market trends. 

Qualifications

  • Master’s degree in Engineering (Electrical, Energy Systems, Renewable Energy, or similar)
  • 5+ years of engineering experience, including 2+ years in utility-scale BESS development and operations
  • Expertise in lithium-ion batteries and enclosures, power conversion, EMS, SCADA, and integrated systems
  • Experience in procurement, technical offer evaluations, and supplier engagement 
  • Proficiency in performance modeling, efficiency calculations, and lifecycle assessments
  • Knowledge of battery storage applications in European energy markets and ancillary services preferred
  • Experience in hybrid renewable and battery storage projects would be an advantage
  • Strong skills in techno-economic analysis, electrical design review, and stakeholder communication
  • Fluency in English, with a solution-driven and detail-oriented mindset. 

Additional Information

  • To take part in an unfolding energy transformation process to create a 100% green and secure energy ecosystem for both current and future generations
  • International team that is working on dynamic renewable energy projects
  • A hybrid work model (3+2) and flexible working hours
  • Extensive learning and qualification enhancement programs
  • Attention to physical and emotional health: wellness mentor initiatives and psychological support, etc. 
  • Additional paid days for health improvement, short-term illness, volunteering, and accumulated work experience.

Join a growing and increasingly international team of energy smart people united by a common purpose. We all play our part in creating a 100% green and secure energy ecosystem for current and future generations.

As we pursue our strategic goals to increase gender balance in Ignitis Group, we are indicating “f/m/d” next to job titles, meaning we welcome candidates of all genders – female, male or diverse.
Ignitis Group is committed to a policy of equal employment opportunity and does not discriminate against race, religion, gender, sexual orientation or gender identity, age, disability or other personal traits unrelated to work obligations.

Top Skills

Lithium-Ion
The Company
HQ: Vilnius, Vilniaus
1,628 Employees
On-site Workplace

What We Do

Ignitis Group is a renewables-focused integrated utility.

The group’s core activities include power and heat production and supply, power and natural gas trading and distribution, and power system maintenance and development.
The development of green energy is a priority for Ignitis Group with an aim to become the region’s main competence center for new energy and a leader in distributed energy solutions in the Baltic Sea region and beyond.
Group companies operate in Lithuania, Latvia, Estonia, Poland and Finland. Group innovation fund invests in energy startups in the UK, Norway and France.

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