BESS Engineer

BESS Design Engineer - Energy Storage Projects (Sheffield Based)

A leading energy solutions provider is looking for a BESS Design Engineer to join its expanding team in Sheffield, supporting the design and development of Battery Energy Storage System (BESS) projects across the UK and internationally. This is a great opportunity to work on forward-thinking clean energy projects and contribute to the energy transition in a collaborative and supportive environment.

You will be involved in the full technical life cycle of BESS installations, from early feasibility and concept development through to construction and commissioning support.

Key Responsibilities:

• Design and review BESS systems, including single-line diagrams (SLDs), layout drawings, and equipment specifications

• Support feasibility studies and concept designs for grid-connected and hybrid energy projects

• Collaborate with control systems engineers to ensure well-integrated system solutions

• Prepare and review technical documentation, including employer's requirements and specifications

• Evaluate technology options including inverters, battery racks, HVAC systems, and fire protection equipment

• Assist in tender reviews and contractor design evaluations

• Support construction and commissioning with site visits, RFI responses, and review of as-built documentation

The Ideal Candidate Will Have One or More of the Following:

• A degree, HND, or HNC in Electrical Engineering, Power Systems, Renewable Energy, or a related field

• Experience working on BESS or hybrid renewable projects such as solar plus storage

• A strong understanding of BESS technology or familiarity with key components like PCS, BMS, EMS, HVAC, or containerised systems

• Hands-on experience in electrical design or engineering, ideally with power systems or controls

• A passion for energy storage, clean energy, or power systems

• Proficiency in design tools such as AutoCAD, ETAP, or Trimble

• Awareness of UK grid codes or DNO connection standards is beneficial

• Excellent analytical, problem-solving, and communication skills

• Attention to detail and a desire to grow within a multi-disciplinary engineering team

Location: Sheffield (flexible or hybrid working arrangements available)

If you have experience or interest in electrical engineering and are eager to contribute to the future of energy storage, we welcome your application.

ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.