Senior Electrical Engineer- Battery Energy Storage System (BESS)

AECOM; City of Westminster; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid working model

Career development opportunities

AECOM University

Volunteering days

Job summary

AECOM is seeking a Senior Electrical Design Engineer to drive design work for energy storage, solar and grid connection projects across the UK and Europe. You will lead FEED and detailed design activities, develop BESS BOP concepts, and shape grid connection strategies with a client-focused, collaborative approach.

The role offers a hybrid working model, exposure to some of the largest BESS projects in the region, and opportunities to grow within a global infrastructure consultancy renowned for

Qualifications

• Degree in Electrical Engineering or equivalent.
• Experience in FEED design, detailed design, or owner's engineer roles.
• Strong understanding of renewable generation and energy storage tech, battery storage.
• Experience designing HV grid connections and metering for storage installations.
• Previous consultancy/contractor/equipment manufacturer or utility experience in energy sector.
• Knowledge of grid connection requirements (G99, G100, grid codes).
• Understanding of electrical plant items and control systems (transformers, cables, breakers, HV protection).
• Experience with software tools listed above.
• Familiarity with emerging technologies (hybrid systems, LDES, alternative chemistries).
• Team player with client-facing skills.

Responsibilities

• Work on FEED, planning design, feasibility studies for energy storage systems.
• Design BESS balance of plant (BOP) and grid connection solutions.
• Collaborate with multi-disciplinary teams and clients to deliver solutions.
• Support bidding, project and quality management.
• Contribute to design reviews and site construction inputs.

Skills

FEED experience

Renewable energy knowledge

Grid connection design

Client-facing

Education

Bachelor's degree in Electrical Engineering

Tools

AutoCAD

EnergyPro

CYMCAP

Cableizer

Autodesk Construction Cloud

ETAP

DigSILENT

Job description

• Work on large projects and frameworks with renewable energy generation developers, mostly in UK and Ireland but also with some global projects.
• Undertake Front End Engineering Design (FEED), design for planning, feasibility studies etc. of energy storage systems including associated grid connections, control and metering.
• Provide support and gain exposure to bidding, project and quality management.
• Design the BESS balance of plant (BOP) systems.
• Develop grid connection solutions (11kV-400kV) for energy storage and renewables.
• Collaborate with multi-disciplinary teams and clients to deliver innovative solutions.
• Support the team with bidding, project and quality management.

Enjoy the Perks. At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Ready to push the limits of what's possible? Here's what we're looking for:

• A Degree in Electrical Engineering (or equivalent).
• Suitable experience working in a FEED designer, detailed design or owner's engineer role.
• A good understanding of both renewable generation and energy storage technology in general and, in particular, battery storage technology of all types and chemistries.
• Experience designing the HV grid connection, metering, control requirements etc. associated with battery storage installations, including BESS collocated with renewable energy generation.
• Previous experience with consultancy, contractor, equipment manufacturer or electrical utility in the energy sector.
• Knowledge of grid connection requirements for renewable generation and energy storage, including G99, G100 and grid code requirements for transmission connected assets.
• A good understanding of electrical plant items and control systems such as transformers, cables, circuit breakers, HV Protection & Control.
• Experience with software tools (AutoCAD, EnergyPro, CYMCAP, Cableizer, Autodesk Construction Cloud, ETAP, DigSILENT).
• Knowledge of emerging technologies (Hybrid systems-grid forming inverters, LDES and alternative battery technology).
• A good team player with a client-focused mindset and customer facing skills.

We're also ideally looking for:

• Project management experience (incl. budget, time and quality).
• Professional registration is desirable (e.g., Chartered Engineer or working toward it).
• Experience of multi-discipline engineering projects.
• Experience of design & site construction review.

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world.

Join us.

Are you ready to join a team of talented engineers and shape the future of energy infrastructure? We are currently looking to hire a Senior Electrical Design Engineer to deliver cutting-edge designs for energy storage, solar and grid connection projects. Join a team driving the design of transformative renewable projects, making a lasting difference in the global energy transition. This role offers the opportunity to work on some of the largest BESS projects in the UK and Europe, shaping the future of sustainable energy.

Interested in the role or curious about life at AECOM? Follow us on LinkedIn, Facebook, Instagram, and YouTube to explore our AECOM voices, employee stories, latest projects, and much more! At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM AECOM is the world's trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public-and-private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity You will have the flexibility you need to do your best work with hybrid work options. Whether you're working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We're the world's trusted global infrastructure firm, and we're in this together - your growth and success are ours too. Join us, and you'll get all the benefits of being a part of a global, publicly traded firm - access to industry-leading technology and thinking and transformational work with big impact and work flexibility.

As an Equal Opportunity Employer, we believe in each person's potential, and we'll help you reach yours.