BESS Associate – Battery Energy Storage Systems
BESS Associate – Battery Energy Storage Systems

BESS Associate – Battery Energy Storage Systems

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join our team to develop and optimise cutting-edge battery energy storage systems.
  • Company: Matrix Renewables, a leader in renewable energy with a global impact.
  • Benefits: Flexible working, competitive salary, and opportunities for professional growth.
  • Why this job: Be part of the energy transition and make a real difference in sustainability.
  • Qualifications: Degree in relevant field and experience in battery energy storage systems.
  • Other info: Dynamic, inclusive environment with a focus on innovation and collaboration.

The predicted salary is between 36000 - 60000 £ per year.

Location: United Kingdom (Hybrid / Flexible – London, Scotland or Spain)

About us

Matrix Renewables is a renewable energy platform that was founded by global alternative asset manager TPG through its impact investing platform in 2020. Headquartered in Madrid, Matrix Renewables focuses on developing, constructing and being long-term owners of renewable energy assets. Matrix Renewables’ current portfolio is comprised of 15.7 GW (operational, under construction, ready to build, under development) of renewable energy projects and storage across North America, Europe and Latin America.

The Role

At Matrix Renewables we are seeking an experienced Battery Energy Storage Systems (BESS) Associate to join our growing Energy Storage team. The successful candidate will play a key role in the technical, analytical, and operational aspects of BESS projects — from early-stage feasibility and modelling to commissioning and performance optimization. You will work closely with project developers, engineers, and financial analysts to evaluate and implement cutting-edge battery storage and energy solutions supporting the energy transition to a low-carbon energy system. This is a great opportunity for someone looking to be involved in the full setup of a company, work in an international, fast-paced environment, and contribute to the renewable energy sector.

Key activities and responsibilities:

  • Technical Analytical
  • Develop and maintain battery system models (electrical, thermal, and economic).
  • Conduct performance simulations, degradation analysis, and techno-economic assessments for utility-scale projects.
  • Evaluate different battery chemistries and configurations and advise on system design.
  • Support grid connection studies, dynamic modelling, and integration with renewable generation assets (solar, wind).
  • Work with different and innovative technologies related to renewables and energy storage.
  • Project Execution Commissioning
    • Oversee and coordinate system commissioning and acceptance testing.
    • Validate performance data and ensure systems meet functional and safety standards (G99, IEC, IEEE).
    • Liaise with EPC contractors, OEMs, and integrators to resolve technical issues during installation and start-up.
    • Support root-cause analysis and optimization of operational BESS assets.
  • Commercial Strategic
    • Provide technical input into investment cases, RFPs, and due diligence processes.
    • Work with commercial teams to optimize revenue streams across energy trading, frequency response, and capacity markets.
    • Track technology trends and supplier developments in the global BESS sector.
    • Contribute to internal knowledge sharing and best practices for BESS deployment.

    Qualifications Experience

    Essential:

    • Degree in Electrical or Chemical Engineering, Energy Systems, Physics, or related field.
    • 3–7+ years of professional experience in battery energy storage systems (design, modelling, or commissioning).
    • Proven ability to model and analyse BESS performance using simulation and data analytics tools.
    • Experience with battery management systems (BMS), power conversion systems (PCS), and control strategies.
    • Strong understanding of grid codes (G99/G100) and connection processes.
    • Excellent communication and stakeholder management skills.

    Desirable:

    • Knowledge in new technologies, green hydrogen, interconnections, etc.
    • Experience with SCADA systems, EMS software, or real-time monitoring platforms.
    • Knowledge of Python / MATLAB / PowerFactory / PSCAD / DIgSILENT.
    • Familiarity with lifecycle cost analysis and asset performance benchmarking.

    Key Competencies

    • Analytical and detail-oriented mindset.
    • Strong problem-solving and data interpretation skills.
    • Proactive and collaborative working style.
    • Ability to manage multiple projects and priorities.
    • Passion for clean energy and technological innovation.

    If you are interested in applying, please send a cover email and CV in English to: hiring@matrixrenewables.com.

    Matrix is committed to a fulfilling, inclusive and non-discriminatory working environment in which all individuals are treated as individuals, with respect and dignity and are given opportunities to develop their careers and contribute to both the Company’s and their own success.

    Furthermore, Matrix is committed to ensuring a rigorous, fair and non-discriminatory selection and recruitment process and to treat all candidates who apply for a position in Matrix equally. We advocate for equal opportunity and do not discriminate against gender, marital status, religion, age, color, race, sexual orientation, nationality, or disability.

    BESS Associate – Battery Energy Storage Systems employer: Matrix Renewables

    Matrix Renewables is an exceptional employer that champions a culture of innovation and inclusivity, offering employees the chance to work on cutting-edge renewable energy projects in a dynamic, international environment. With a strong commitment to employee growth and development, team members are encouraged to expand their skills while contributing to meaningful solutions for a sustainable future. The hybrid work model allows for flexibility, making it an attractive workplace for those seeking a balance between professional and personal life.
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    Contact Detail:

    Matrix Renewables Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land BESS Associate – Battery Energy Storage Systems

    Tip Number 1

    Network like a pro! Reach out to people in the renewable energy sector, especially those working with battery energy storage systems. Attend industry events or webinars and don’t be shy about introducing yourself. You never know who might have a lead on your dream job!

    Tip Number 2

    Show off your skills! Prepare a portfolio showcasing your projects related to BESS, including any modelling or performance analysis you've done. This will give potential employers a tangible sense of what you can bring to the table.

    Tip Number 3

    Ace the interview! Research Matrix Renewables and come prepared with questions that show your interest in their projects and values. Be ready to discuss how your experience aligns with their goals in the renewable energy space.

    Tip Number 4

    Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in being part of our team at Matrix Renewables. Don’t miss out on this opportunity!

    We think you need these skills to ace BESS Associate – Battery Energy Storage Systems

    Battery Energy Storage Systems (BESS)
    Technical Analysis
    Performance Simulation
    Degradation Analysis
    Techno-Economic Assessments
    Grid Connection Studies
    System Commissioning
    Performance Data Validation
    Battery Management Systems (BMS)
    Power Conversion Systems (PCS)
    Control Strategies
    Communication Skills
    Data Analytics Tools
    Project Management
    Problem-Solving Skills

    Some tips for your application 🫡

    Tailor Your CV: Make sure your CV is tailored to the BESS Associate role. Highlight relevant experience in battery energy storage systems, and don’t forget to showcase your technical skills and any projects you've worked on that relate to the job.

    Craft a Compelling Cover Email: Your cover email is your chance to make a great first impression. Keep it concise but engaging, explaining why you're excited about the role and how your background makes you a perfect fit for our team at Matrix Renewables.

    Showcase Your Passion for Renewable Energy: We love candidates who are passionate about clean energy! In your application, share any personal projects, volunteer work, or experiences that demonstrate your commitment to sustainability and innovation in the energy sector.

    Apply Through Our Website: For the best chance of success, apply directly through our website. It helps us keep track of applications and ensures you’re considered for the role as quickly as possible. We can’t wait to see what you bring to the table!

    How to prepare for a job interview at Matrix Renewables

    Know Your BESS Inside Out

    Make sure you brush up on your knowledge of Battery Energy Storage Systems. Understand the different battery chemistries, their applications, and how they integrate with renewable energy sources. Being able to discuss technical details confidently will impress the interviewers.

    Showcase Your Analytical Skills

    Prepare to demonstrate your analytical abilities by discussing past projects where you modelled or analysed BESS performance. Bring examples of simulations or assessments you've conducted, and be ready to explain your thought process and the outcomes.

    Communicate Effectively

    Since this role involves liaising with various stakeholders, practice articulating complex technical concepts in simple terms. Good communication skills can set you apart, so think about how you can convey your ideas clearly and concisely during the interview.

    Stay Updated on Industry Trends

    Familiarise yourself with the latest trends in the BESS sector, including new technologies and market developments. Showing that you're proactive about staying informed will demonstrate your passion for the industry and your commitment to contributing to the company's success.

    BESS Associate – Battery Energy Storage Systems
    Matrix Renewables
    Location: London
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    • BESS Associate – Battery Energy Storage Systems

      London
      Full-Time
      36000 - 60000 £ / year (est.)
    • M

      Matrix Renewables

      50-100
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