Principal Energy Engineer

City of London Corporation; City Of London; Hybrid; GBP 45,000 - 60,000; Full time

Job summary

A local government body in the City of London is seeking a Principal Energy Engineer to lead energy conservation measures and manage energy projects. The role requires a graduate with significant post-graduate experience in energy and carbon reduction. The ideal candidate will possess extensive knowledge of building services and effective communication skills. This position offers a competitive salary, benefits including a great pension scheme, and a hybrid work environment requiring office attendance at least 60% of the time.

Benefits

Competitive salary

Local Government Pension Scheme

Interest-free season ticket loans

Discounts on health and wellbeing

Qualifications

• Demonstrable significant post-graduate experience at mid-senior level in energy and carbon reduction projects.
• In-depth knowledge of mechanical and electrical building services.
• Ability to understand complex technical issues.

Responsibilities

• Identify and advance energy conservation measures.
• Manage an energy management programme and project pipeline.
• Engage with colleagues to reduce consumption and cost.

Skills

Energy conservation measures

Mechanical and electrical building services

Effective communication

Energy management programme

Education

Graduate degree in a relevant field

Tools

Energy monitoring software

BMS

Microsoft products

Job description

City of London Corporation

Principal Energy Engineer

2-year Fixed Term Contract

Workplace Attendance Category for this role is:

Hybrid – you’ll be expected to be in the office at least 3 days per week or 60% of your working time in the office.

The City of London Corporation has adopted a radical Climate Action Strategy that sets out how the organisation will achieve net zero, build climate resilience, and champion sustainable growth over the next two decades.

By adopting this strategy, the City Corporation has committed to:

• Achieve net zero carbon emissions from our own operations by 2027.
• Achieve net zero carbon emissions across our investments and supply chain by 2040.
• Support the achievement of net zero for the Square Mile by 2040.
• Invest £68m over the next six years to support these goals, with £15m dedicated to preparing the Square Mile for extreme weather events.

The role

You’ll will be identifying and taking forward energy conservation measures to business case stage and take ownership of completion. These projects will be delivered either via self‑delivery or by the active management and support of colleagues and contractors. Various tools will be at your disposal, including energy monitoring software, BMS and various Microsoft products. Engagement with your Energy Team colleagues is crucial for supporting reduction in consumption and cost.

You will actively manage an energy management programme and supporting projects pipeline to ensure momentum and transparent reporting are maintained.

About you

We are looking for a graduate with demonstrable significant post‑graduate experience at a mid‑senior level in an energy and carbon reduction projects position in an organisation with a large public or private sector estate.

You will have in‑depth and extensive knowledge of the mechanical and electrical building services and the solutions that can be applied to improve their efficiency combined with ability to understand complex technical issues and communicate effectively at an appropriate level with City of London (CoL) third‑party building and property design and maintenance teams.

To view the Job Information pack for this role please go to the attachments section.

The City of London Corporation is currently undergoing a programme to ensure that our pay and reward practices are competitive and equitable across the whole organisation, to ensure that everyone has the opportunity to thrive in the work that we do.

In addition to a competitive salary and membership of the excellent Local Government Pension Scheme, you can look forward to an all‑round package of life‑improving benefits and offers – from interest‑free season ticket and bicycle loans to discounts on health and wellbeing, arts and culture.

Closing date: 12 noon on 16 January 2026.

Interviews will be held 2‑4 February 2026.