Market
Energy
Principal Energy Consultant (Water Sector) - Energy Advisory
Jacobs
London, UK
Posted on Jan 14, 2026
At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.
Your impact
Within our Energy Advisory capability, we advise clients on the challenges and opportunities regarding decarbonisation/net zero issues specifically in relation to requirements for delivering the global energy transition. This includes decentralised low carbon generation, innovation in technologies and energy sources, as well as policy and regulatory support.
We are seeking a technical specialist with previous experience working on water sector energy projects to expand our team and grow our service offerings. This pro-active individual will have design and/or operational experience (technical plus ideally economic and environmental impacts) of modern systems including pump stations, water treatment and recovery plants with a focus on energy efficiency and energy savings. The successful applicant shall also have strong knowledge of the broader water industry in terms of growth and challenges to decarbonisation, with knowledge on how to support our clients in developing decarbonisation strategies and business case assessment applying energy resources and demands, with a drive to also build-up the water network in the Energy Advisory team.
The successful candidate will also be able to work collaboratively with our global operations and sales teams to provide client focus and support, innovative solutions to our clients’ most challenging problems, connect and nurture our technical resources. You will help the client and Jacobs transition advisory projects into subsequent stages such as design, consents and ultimately construction.
In your role, you’ll be a key team member in a variety of project roles to ensure delivery of successful outcomes for our clients.
Key responsibilities include:
- Lead technical delivery and being accountable for key tasks and quality data outputs through project reviewer role.
- Engaging with a range of stakeholders at all levels.
- Maintaining knowledge of energy/carbon policy developments, energy markets and wider energy/sustainability issues.
- Key inputs with respect to energy in the development or review of engineering design through-out project life-cycle.
- Energy technology options or energy efficiency appraisals and life cycle cost analysis.
- Energy management, energy efficiency, asset reviews and audit surveys, energy demand modelling and preparing low carbon energy solutions that are either led by reconfiguring existing operations at sites or developing new strategies.
- Mentoring and training colleagues in aspects of the water and energy sectors.
Here's what you'll need
You need to enjoy working in a dynamic team environment and where necessary using your expertise to guide other members of staff. You’ll also require the ability to lead bid preparation, deliver to tight timescales, be technically accurate and to manage a number of schemes simultaneously, either as the lead or as part of a team. Strong verbal and written communication skills, and excellent quantitative and problem-solving skills are essential as part of this role.
Jacobs has a strong ethos for safety in our BeyondZero approach, so you would be expected to have a positive attitude to health and safety, especially to eliminate or reduce the risk early in the design process.
- An engineering degree, likely to have a focus on energy (Chemical / Mechanical or equivalent process-related degree).
- Previous engineering experience, including time spent working on water sector projects either in design and/or operation.
- Both site based experience working on systems within the sector and experience and working within consultancy.
- Strong project management skills, including ability to develop clear work programmes and communicate requirements to other team members.
- Knowledge of current and anticipated environmental, carbon and energy policy and legislation and how this can apply to organisations and projects.
- Strong communication skills, ability to engage with colleagues and clients and provide clear, evidence-based advice verbally and within written reports and presentations.
- Capable of developing standard engineering deliverables such as heat and mass balances.
Why Jacobs?
People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent.
In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.
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Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.
With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs.
We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging. Find out more about our Jacobs Employee Networks here.
Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https://www.vercida.com/uk/employers/jacobs to view and access our roles.
As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.
Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.
Locations
| City | State | Country |
|---|---|---|
| Birmingham | West Midlands | United Kingdom |
| Bristol | Bristol City | United Kingdom |
| Glasgow | Lanarkshire | United Kingdom |
| Wokingham | Berkshire | United Kingdom |
| Manchester | Greater Manchester | United Kingdom |
| Exeter | Devon | United Kingdom |
| Leeds | West Yorkshire | United Kingdom |
| London | Greater London | United Kingdom |
