Senior Mechanical Engineer

Hampshire County Council; Winchester; Hybrid; GBP 47,000 - 53,000; Full time

Job summary

A local authority in the UK seeks a Senior Mechanical Engineer to lead design projects in a diverse property portfolio. You will manage a team, ensuring high-quality designs comply with British Standards. The role offers a supportive work environment and potential for flexible hours, making a positive impact on local communities. Ideal for candidates committed to professional development, this position offers a competitive salary within the range of £47,430 - £52,735 along with various employment perks.

Benefits

Hybrid working model

Flexible and family-friendly working patterns

Generous annual leave and paid sick leave

Discounts for gyms and various retailers

Opportunities for skill development

Qualifications

• A strong background in designing and delivering mechanical building services projects is essential.
• Experience supervising site works and managing projects either independently or as part of a team is required.
• Commitment to achieving chartered status via CIBSE, IMechE, or similar is expected.

Responsibilities

• Lead mechanical design work and manage delivery of projects across diverse properties.
• Supervise site activities and ensure compliance with British Standards and best practices.
• Collaborate with multidisciplinary teams and manage client relations.

Skills

Proficiency in HVAC design

Project management

Site supervision

Stakeholder management

Education

Relevant accredited degree or HNC/HND in Mechanical Engineering Services

Job description

Senior Mechanical Engineer

Job Reference: HCC621716
Salary Range: £47,430 - £52,735 per annum
Work Location: Elizabeth II Court, Winchester (Hybrid Working)
Hours per week: 37 (part time hours will be considered)
Contract Type: Permanent
Closing Date: 25 January 2026
Interview Date: w/c 2 February 2026

An exciting opportunity has arisen for a Senior Mechanical (Building Engineering Services) Engineer to join our Universal Services team at Hampshire County Council. Please note applications will be reviewed once submitted, therefore this advert may close early depending on volumes of applications received.

Are you looking for a challenging and diverse role working as part of a friendly and supportive team, with an opportunity to make a real difference?

The Policy and Reward Team plays an important role in helping our managers to manage their staff. We do this through our written and published guidance. Our policies and guidance enable managers to perform their role effectively, and the team plays a key role in pay related processes, for example pay awards, role evaluations, payments and market supplements.

The Role

We are seeking an experienced Senior Mechanical Services Design Engineer to join a multidisciplinary team of over 300 property professionals at Hampshire County Council. This role involves designing and managing the delivery of a wide range of projects across the Council’s diverse property portfolio, including schools, libraries, care homes, museums, and historic buildings. You will be responsible for leading mechanical design work, supervising site activities, and potentially managing junior engineers.

The role requires proficiency in HVAC, gas, and water services design, aligned with British Standards and CIBSE guidance. A relevant degree or HNC/HND in Mechanical Engineering Services and a commitment to achieving chartered status are essential.

This is a unique opportunity to contribute to meaningful projects that positively impact communities across Hampshire.

What you’ll do

As a Senior Mechanical Services Design Engineer, you’ll lead the design and delivery of a wide range of building projects across Hampshire County Council’s diverse property portfolio — from schools and care homes to historic sites and country parks. You’ll manage capital works, planned maintenance, and improvement programmes, ensuring high-quality mechanical design solutions that meet statutory and best practice standards.

• Supervise works on site and liaise with clients across various public services.
• Contribute to meaningful projects that benefit local communities.
• Support and potentially line‑manage junior engineers.
• Work collaboratively within a multidisciplinary team of over 300 property professionals.

This is a varied and rewarding role where your expertise will help shape the built environment across Hampshire.

What we’re looking for

We’re looking for a qualified and experienced Senior Mechanical Services Design Engineer with a strong background in designing and delivering mechanical building services projects. You’ll need to be proficient in HVAC, gas, and water systems design, with a sound understanding of British Standards, CIBSE guidance, and statutory regulations.

• A relevant accredited degree or HNC/HND in Mechanical Engineering Services.
• A commitment to achieving (or progressing towards) chartered status via CIBSE, IMechE, or similar.
• Strong organisational skills and experience managing varied projects, either independently or as part of a multidisciplinary team.
• The ability to liaise effectively with a wide range of clients and stakeholders.
• Experience supervising site works and, ideally, line managing junior engineers.

If you're passionate about making a positive impact through public sector projects and ready to take the next step in your career, we’d love to hear from you.

Hampshire County Council is recognised nationally as one of the highest performing local authorities in the UK. A modern, forward‑looking local authority, it offers a pleasant, supportive, and collaborative working environment.

You will also be provided with:

• Hybrid working – this role is based in Winchester with a hybrid working arrangement consisting of office, site and home working, all to suit operational requirements; currently most teams work in Winchester one day a week.
• Flexible and family‑friendly working patterns such as part time, compressed hours, flexi leave, accrued extra working hours.
• Generous annual leave plus bank holidays and paid sick leave.
• Discounts for gyms, retailers such as Apple, car hire, insurances, holidays, hotels, theatres, theme parks, restaurants, and eyecare.
• Opportunities to develop your skills and experience, informally, or formally.
• Part time work is considered (please state your preferred working pattern on your application).
• Opportunities to make a difference and receive support through staff networks for parents, carers, and people with protected characteristics.
• Support of a wider team, who will value you and what you achieve.

To find out more about what we can offer you in return, please see our benefits package. If you think you have what it takes to make a real difference in Hampshire, get in touch!

This post is subject to a Criminal Records Check.

Contact Details for an Informal Discussion

Hampshire County Council is committed to safeguarding and promoting the welfare of children, young people and adults. We expect all employees, workers and volunteers to share this commitment. We will ensure that all our recruitment and selection practices reflect this commitment.

In order to combat discrimination, no unnecessary conditions or requirements will be applied which could have a disproportionately adverse effect on any one group. All sections of the population will have equal access to jobs. No applicant or employee will receive less favourable treatment because of age, disability, gender reassignment, race, religion or belief, sex, sexual orientation, marriage or civil partnership and pregnancy or maternity, unless a Genuine Occupational Requirement (GOR) applies.

We are a Disability Confident Employer – committed to ensuring that our recruitment and selection process is inclusive and accessible.