At a Glance
- Tasks: Lead innovative water solutions and mentor junior engineers in a dynamic environment.
- Company: Join Sweco, a leader in sustainable community design and urbanisation solutions.
- Benefits: Enjoy flexible working, private medical insurance, and generous holiday options.
- Other info: Be part of an inclusive culture that values diversity and supports career growth.
- Why this job: Make a real impact on sustainability while advancing your engineering career.
- Qualifications: Degree in Mechanical Engineering with experience in mechanical design, preferably in the water sector.
The predicted salary is between 60000 - 80000 £ per year.
Principal Mechanical Engineer (Water) - Peterborough, England, United Kingdom
As a Principal Mechanical Engineer, you’ll be at the forefront of designing and delivering innovative water solutions.
You’ll lead technical delivery, drive sustainable and cost‑effective design decisions, and guide junior engineers to produce safe, future‑proof work that lasts.
- About Sweco
- Transforming society together, we plan and design sustainable communities and cities of the future.
Our focus is on delivering innovative solutions to the challenges of urbanisation, digitalisation and sustainability.
What You’ll Be Doing
Lead and review mechanical designs to ensure compliance, safety, and performance excellence.
Collaborate with stakeholders to deliver projects on time, within budget, and to high quality standards.
Promote the use of digital tools and modular construction techniques.
Drive Health & Safety by design, identifying improvements and reducing whole‑life costs.
Champion sustainability, carbon reduction, and innovation across the design lifecycle.
Mentor junior engineers and create a culture of technical excellence and continuous learning.
Work closely with project and engineering leaders, contributing to strategic decisions.
About You
- A degree in Mechanical Engineering or a related discipline.
- Preferably chartered, or working towards chartered status.
- Proven experience in mechanical design—ideally in the water sector or a similar complex infrastructure environment.
- Strong understanding of industry standards, health and safety legislation, and construction principles.
- Leadership experience with a passion for coaching, mentoring and developing others.
- Proficiency in CAD and engineering software.
- Confident decision‑maker, with a collaborative mindset and strong communication skills.
If you have the skill set required and are interested in career progression, we would love to hear from you.
- Employee Benefits
- Flexible and hybrid working (Flexworks Policy)
- Life Assurance
- Private Medical Insurance
- Discretionary Annual Bonus Scheme
- Payment of two relevant professional subscriptions
- 25 days holiday plus bank holidays (with the option to purchase up to 5 additional days per year)
- Cycle2Work Scheme
- Employee Assistance Programme (wellbeing, mental health, financial and work advice)
- Employee discounts via Sweco Benefit Select (Faircare)
- Salary Sacrifice Electric Vehicle Scheme
• We plant a tree for all new starters!
Equality, Diversity & Inclusion
We are an accredited Real Living Wage Employer and a Disability Confident employer.
We support fair pay and inclusion for all colleagues.
We have signed the Armed Forces Covenant to ensure those who serve, or have served, and their families are treated fairly.
Equality, Diversity & Inclusion is a core value of Sweco.
All our colleagues thrive in a friendly, inclusive culture that respects the contributions individuals can bring.
We encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity.
If I have a disability, can I get help (e. g. “reasonable adjustments”) with the application process?
Yes. Please contact us with your preferred method of contact (phone or email) and the position title. We will provide support promptly.
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Principal Mechanical Engineer (Water) employer: Sweco
At @one Alliance, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and sustainability in the water recycling sector. Our commitment to employee growth is evident through our comprehensive benefits package, including flexible working arrangements, professional development opportunities, and a strong focus on health and wellbeing. Join us in making a meaningful impact while enjoying a supportive environment that values diversity and collaboration.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Mechanical Engineer (Water)
✨Get Your Hands Dirty at Engineering Events
Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like Sweco.
✨Connect with Professors & Peers
Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!
✨Highlight Your Projects and Practical Experience
When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like Sweco love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of Sweco and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!
We think you need these skills to ace Principal Mechanical Engineer (Water)
Some tips for your application 🫡
Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!
Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.
Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!
Tailor Your CV for the Role:Don’t forget to customise your CV for Sweco and the Principal Mechanical Engineer (Water) role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!
How to prepare for a job interview at Sweco
✨Brush Up on Your CAD Skills
Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at Sweco.
✨Prepare for Technical Questions
Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!
✨Show Your Team Spirit
As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at Sweco.
✨Discuss Your Future Goals
Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with Sweco, making you a more appealing candidate.
