principal mechanical engineer jobs in Warrington

Title: Principal Mechanical Engineer Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button. Type: Contract Length: 1 year + THIS ROLE REQUIRES SC CLEARANCE Key Responsibilities This is the level for an experienced engineer working as a subject matter expert in a specialist subject area (e.g. an engineering sub...

Job Description Job Description Location: Hybrid working with 2-3 days per week in United Utilities Lingley Mere office. Site visits as required. Permanent full-time(40 hours) Competitive salary plus benefits We are seeking Mechanical Engineers with extensive experience and understanding of sewage treatment processes and the equipment/system requirements. What this role requires: -...

Job Description My client is a well-established business who have developed a reputation for providing excellent quality mechanical and electrical building services design, positioning themselves as preferred design consultants for a host of prestigious clients across a range of sectors. To kickstart 2026 they are introducing Data Centre work and they are looking for a Senior/ Principal/...

You will be working on a varied portfolio of frameworks and projects which are predominantly UK-based but with some overseas opportunities.

You will take the lead and deliver on small projects up to the value of a few £million and provide technical support to end users, Landlords, management agents, project managers and the like.

Your new company We work on projects that truly make an impact, from healthcare and education to commercial developments across the UK. Our focus is on helping organisations achieve their sustainability goals and move towards a net-zero future, using advanced design tools and innovative thinking. Collaborative, and supportive. We believe in helping every team member grow professionally and...

Job Description Principal Geotechnical Engineer (Warrington) Reference: BY93716 Salary: £40,000 - £50,000 Are you a Geotechnical Engineer seeking the next step in your career? An innovative and expanding ground investigation team near Warrington are looking to bring a ground investigation specialist into their expanding team. With excellent career progression opportunities, support to...

Job Description Join a leading consultancy delivering transformative engineering solutions across the nuclear, renewable energy, and high-energy industrial sectors - including data centres and hydrogen production facilities.This is a senior opportunity to shape nationally significant projects, from supporting the UK's nuclear fleet and advancing Small Modular Reactor (SMR) technologies, to...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Senior Mechanical Engineer (Contract) Before applying for this role, please read the following information about this opportunity found below. Location: Warrington (Hybrid - 3 days onsite, 2 days remote) Rate: £51 - £63 per hour (Umbrella, Inside IR35) Duration: 12 months Clearance: Must be eligible for SC clearance About the Project This role is part of the UK Tails Management Facility...

You will be developing revolutionary machinery designed to transform some of the world's most energy‐intensive industries. The team's mission is bold: enable deep decarbonisation across petrochemicals, chemicals, iron and steel, and cement by replacing traditional fossil‐fuel‐based processes with breakthrough rotating technology.

You will lead complex engineering delivery, influence standards and strategy, and mentor the next generation of engineers.

You will work on nationally significant projects that support energy security, sustainability and net zero ambitions, while continuously developing your technical and leadership capability.

You will shape both how interactions are built and what expressive capabilities are possible, translating cutting-edge research into robust, real-world systems.

Job Description Job Description Senior/Principal Civil Engineers Location: Hybrid working with 2-3 days per week in United Utilities Lingley Mere office. Site visits as required. Permanent, full-time Competitive salary plus benefits We are seeking Civil Engineers with a thorough understanding of wastewater networks and treatment schemes, flood risk management, and drainage schemes. What...

Job Description Senior Mechanical HVAC Engineer ?? Warrington ?? Up to £65,000 + £6,000 Car Allowance Are you a Senior Mechanical HVAC Engineer looking to work on technically challenging, high-value projects in specialist sectors like pharmaceuticals, biotech, and food & beverage? This is an opportunity to join a well-established, client-focused Building Services Contractor with over 25 years...

Job Description Job Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. You'll play a leading role in developing safety case...

Job Description Our client is a well-established business who have developed a reputation for providing excellent quality mechanical and electrical building services design, positioning themselves as preferred design consultants for a host of prestigious clients across a range of sectors. To kickstart 2026 they are introducing Data Centre work and they are looking for a Senior/ Principal/...

Looking for a RE or Principal EC&I Engineer For CE&I design for SMPrO Projects. Contract Role inside IR35. You can get further details about the nature of this opening, and what is expected from applicants, by reading the below. Required to lead a team of CE&I engineers and designers. Sellafield experience is essential. SC will be needed. Location: Warrington - Hinton House, hybrid minimum 3...

Job Description We have a new opportunity for a Senior Mechanical Engineer based in Warrington, required to deliver work packages across various system scopes, in a wide variety of mechanical handling and lifting problem solving scenarios. This is a hybrid role, three days per week office attendance, and two days remote. ESSENTIAL REQUIREMENTS CEng/IEng status Experienced in delivering fit...

Job Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury Hybrid Working Type: Full Time, Permanent Salary: Competitive Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. You'll play a leading role in developing safety case strategies and guiding project...

Job Title: Principal Safety Case Engineer Location: Warrington Leicester Bristol Newbury + Hybrid Working Type: Full Time, Permanent Salary: Competitive + Excellent Benefits We're looking for a permanent Principal Safety Case Engineer to join our growing team, helping deliver key nuclear safety projects across the UK. You'll play a leading role in developing safety case strategies and guiding...