Senior​/Principal Electrical Engineer – Battery Energy Storage Systems BESS wide

Senior/Principal Electrical Engineer – Battery Energy Storage Systems (BESS) (UK wide)

Company Description
At AECOM, we are an infrastructure consulting firm that delivers projects that help people and communities thrive. Our global team of over 50,000 professionals works on transportation, buildings, water, new energy and environmental projects, providing advisory, planning, design, engineering and program‑management services.

Job Description
Lead a team of engineers and design cutting‑edge Battery Energy Storage Systems (BESS) and renewable energy projects. You will work on large UK and European BESS projects, shaping the future of sustainable energy.

The T&D team focuses on HV design at transmission and distribution voltage levels (normally between 11kV‑400kV). Typical projects include feasibility, optioneering, FEED, detailed design and design assurance for existing or new BESS projects, often collocated with pumped‑storage hydro, PV and wind.

• Lead electrical design for BESS and renewable projects (FEED, detailed design, assurance).
• Design the BESS balance of plant (BOP) systems.
• Develop grid‑connection solutions (11kV–400kV) for energy storage and renewables.
• Collaborate with multidisciplinary teams and clients to deliver innovative solutions.
• Work on large projects and frameworks with renewable energy developers, primarily in the UK and Ireland and occasionally on global projects.
• Undertake FEED, feasibility studies and design for planning of energy storage systems and associated grid connections, control and metering.
• Support the team with bidding, project and quality management.

Enjoy the Perks
AECOM offers core and personalised benefits to support your future and well‑being, a flexible hybrid working model, career development opportunities, technical practice networks, AECOM University and volunteering days.

Qualifications
Here’s what we’re looking for:

• Previous experience with consultancy, contractor, equipment manufacturer or electrical utility in the energy sector (FEED designer, detailed design or owner’s engineer).
• Good understanding of renewable generation and energy‑storage technology, especially battery chemistries.
• Experience designing MV/HV grid connections, metering and control for battery storage installations.
• Knowledge of grid‑connection requirements for renewable generation and energy storage (G99, G100, grid code).
• Knowledge of electrical plant items and control systems (transformers, cables, circuit breakers, HV Protection & Control).
• Client‑focused team player with customer‑facing skills.
• Capacity to work flexibly across multiple projects.

Ideally, you’ll have:

• A degree in Electrical Engineering.
• Understanding of project management (budget, time, quality).
• Experience on multi‑discipline engineering projects.
• Experience with design and site‑construction review.
• Knowledge of grid‑connection considerations.
• Professional registration desirable (e.g., Chartered Engineer or working toward it).
• Experience with tools such as AutoCAD, Energy Pro, CYMCAP, Cableizer, Autodesk Construction Cloud, ETAP, DigSILENT.
• Knowledge of emerging technologies (hybrid‑grid‑forming inverters, LDES and alternative battery tech).

Additional Information
Follow AECOM on Linked In, Facebook, Instagram and You Tube to learn about our work. For more details, contact the recruiter on Linked In:
Francesca Siddle.

About AECOM
AECOM is a Fortune 500 firm delivering professional services throughout the project lifecycle. We support clients in transportation, buildings, water, new energy and environmental projects, committed to equity, diversity, inclusion and ESG priorities.

Freedom to Grow in a World of Opportunity
Enjoy flexible hybrid work options and a dynamic environment that values integrity, entrepreneurship and pioneering mindset. AECOM provides a wide array of compensation, benefits and well‑being programs to meet your diverse needs.

As an Equal Opportunity Employer, we believe in each person’s potential and will help you reach yours. We are a Disability Confident Employer and will offer an interview to applicants who meet the minimum criteria. All information will be kept confidential per EEO guidelines.