You’ll be joining the Power Operations team at JSM Group, where we specialise in delivering high-quality power network services to major clients. Our team is passionate about safety, operational excellence, and providing innovative solutions. As part of this collaborative team, you’ll play a vital role in managing site-level operations, ensuring compliance with safety policies, and driving project success.
The Estimator is responsible for the timely production of detailed pricing for HV & EHV substation projects up to 132kV, in line with client scope and specifications. This will involve compiling accurate estimates primarily using first-principles methods, covering multi-disciplinary works such as civil, structural, electrical, and building services. The role includes assessing labour, plant, equipment, materials, and subcontractor requirements to support tendering and bidding activities.
We truly value your work, time, and skills! In return, we will offer you a competitive salary and some additional benefits to support your professional growth, including:
Equal Opportunity Statement
JSM Group Services Ltd. is an equal opportunities employer and does not discriminate on the grounds of gender, sexual orientation, marital or civil partner status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age. Our ethos is to respect and value people’s differences, and to help everyone achieve more at work as well as in their personal lives so that they feel proud of the part they play in our success. We believe that all decisions about people at work should be based on the individual’s abilities, skills, performance and behaviour and our business requirements. JSM Group operates a zero-tolerance policy to any form of discrimination, abuse or harassment.

JSM Group Services Ltd. are a leading provider of integrated utility infrastructure solutions. Our combination of end-to-end technical expertise, decades of industry experience, and unlimited fresh thinking make us a trusted partner for the implementation of next-generation connectivity in energy and communications. Our focus is on building for tomorrow by delivering every day for customers right across the UK, Europe and beyond.
Born in London in 1998, JSM are a founder-led organisation that have maintained a quiet and consistent focus on delivering excellent client outcomes. This ethos has served us well in the past and places us in an ideal position for continued growth today.