Senior Mechanical Engineer in London

Senior Mechanical Engineer in London

London Full-Time 48000 - 72000 ÂŁ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead mechanical design for innovative oil, gas, and LNG projects.
  • Company: Join Whessoe Engineering, a leader in engineering excellence with over 200 years of experience.
  • Benefits: Enjoy flexible hours, hybrid working, and strong company benefits including 25 days holiday.
  • Why this job: Make a real impact on global energy infrastructure while developing your career.
  • Qualifications: Degree in Mechanical Engineering and experience in oil & gas or petrochemical projects.
  • Other info: Opportunities for travel and professional growth in a dynamic environment.

The predicted salary is between 48000 - 72000 ÂŁ per year.

Are you an experienced Senior Process Engineer looking to work on cutting–edge liquefied gas projects with a company that values innovation, flexibility, and professional development? We are exclusively recruiting for a permanent Senior Process Engineer on behalf of Whessoe Engineering Ltd, a world–renowned leader in engineering, procurement, and construction (EPC) services, with over 200 years of excellence in the industry, based in Darlington.

Why join Whessoe Engineering?

  • Whessoe Engineering is a multidisciplinary engineering firm with a strong reputation for delivering complex projects in the hydrocarbon, petrochemical, and energy sectors.
  • As part of the Samsung C&T family, they offer their engineers the opportunity to work on high–profile, global projects, providing world–class solutions in process engineering.

Flexible working: choose between a 40 or 37–hour work week, adjusting your hours around core office times (Mon–Thurs: 10am–3pm, Fri: 9am–1pm) to suit your lifestyle.

Hybrid working: after a familiarisation period, employees can work 2 days per week from home.

Career development: work on complex, multi–disciplinary projects where you will take the lead on process design, simulation, and safety reviews, gaining invaluable experience in the field.

Strong company benefits including 25 days holiday (rising to 28), a holiday purchase scheme, 10% employer pension contributions, free secure parking, life insurance (4x salary), and access to wellbeing initiatives such as regular yoga classes.

The role drives engineering excellence in global energy infrastructure. As a Senior Mechanical Tank Engineer, you will play a key role in the mechanical design and analysis of tanks, pressure vessels, and heat exchangers for large–scale oil, gas, and LNG projects. Based in Darlington, with opportunities to travel to UK and international sites, you will lead design activities, supervise engineering teams, and contribute to major infrastructure programmes across the energy sector.

Key responsibilities:

  • Deliver mechanical design of ambient and cryogenic storage tanks, pressure vessels, and heat exchangers.
  • Conduct engineering calculations, stress assessments, and finite element analysis (ANSYS, STAAD, Caesar II).
  • Prepare and check technical documents including design reports, specifications, and datasheets.
  • Apply design codes such as API 620/650, ASME VIII, and Eurocodes.
  • Lead and mentor other engineers and interface with design draughting teams.
  • Support tender development, including labour–hour estimation and technical input.
  • Ensure compliance with client requirements, project schedules, and internal quality procedures.

What we’re looking for:

  • Degree–qualified in Mechanical Engineering (BEng or MEng).
  • Chartered Engineer status (or working towards) is desirable.
  • Strong experience in mechanical design within oil & gas, LNG, or petrochemical projects.
  • Proficient in design and analysis of storage tanks, vessels, and thermal equipment.
  • Working knowledge of FEA and stress analysis tools (ANSYS, STAAD, Caesar II).
  • Familiar with AutoCAD, and ideally 3D tools such as SmartPlant 3D, PDMS, or Inventor.
  • Experience applying major design codes (API, ASME, Eurocodes).

Senior Mechanical Engineer in London employer: Wolviston Management Services

Whessoe Engineering Ltd is an exceptional employer that champions innovation and professional growth, offering a flexible work environment tailored to suit your lifestyle. With a strong commitment to employee development, you will have the opportunity to lead complex projects in the energy sector while enjoying generous benefits such as 25 days of holiday, a robust pension scheme, and access to wellbeing initiatives. Located in Darlington, this role not only allows for hybrid working but also provides the chance to engage in high-profile global projects, making it a rewarding place to advance your engineering career.
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Contact Detail:

Wolviston Management Services Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Mechanical Engineer in London

✨Network Like a Pro

Get out there and connect with people in the industry! Attend events, join online forums, or even reach out to former colleagues. You never know who might have the inside scoop on job openings or can put in a good word for you.

✨Ace the Interview

Prepare for your interviews by researching the company and practising common questions. Think about how your experience aligns with their projects, especially in oil, gas, and LNG. Show them you're not just a fit for the role, but also for their culture!

✨Showcase Your Skills

Bring your A-game by showcasing your technical skills during interviews. Be ready to discuss your experience with design codes like API and ASME, and share examples of your work with FEA tools. Let them see the value you can bring to their team!

✨Apply Through Our Website

Don't forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive and engaged with our process. Let's get you that dream job at Whessoe Engineering!

We think you need these skills to ace Senior Mechanical Engineer in London

Mechanical Design
Finite Element Analysis (FEA)
Stress Analysis
ANSYS
STAAD
Caesar II
API 620/650
ASME VIII
Eurocodes
AutoCAD
SmartPlant 3D
PDMS
Inventor
Project Management
Team Leadership

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Mechanical Engineer role. Highlight your experience in mechanical design, especially in oil & gas or LNG projects. We want to see how your skills match what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about working with Whessoe Engineering and how you can contribute to our innovative projects. Keep it concise but impactful!

Showcase Relevant Projects: When detailing your experience, focus on specific projects that relate to the role. Mention any complex designs or engineering challenges you've tackled, especially those involving tanks and pressure vessels. We love seeing real-world examples!

Apply Through Our Website: Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on joining our team at Whessoe Engineering!

How to prepare for a job interview at Wolviston Management Services

✨Know Your Stuff

Make sure you brush up on your technical knowledge related to mechanical design, especially in the oil and gas sector. Be ready to discuss specific projects you've worked on, particularly those involving storage tanks and pressure vessels. This will show that you’re not just familiar with the theory but have practical experience too.

✨Showcase Your Leadership Skills

As a Senior Mechanical Engineer, you'll likely be leading teams. Prepare examples of how you've mentored others or led projects in the past. Highlight your ability to interface with different teams, as collaboration is key in multidisciplinary environments like Whessoe Engineering.

✨Familiarise Yourself with Design Codes

Since the role involves applying design codes such as API 620/650 and ASME VIII, make sure you understand these standards well. You might be asked to explain how you've applied them in your previous work, so having specific examples ready will give you an edge.

✨Ask Insightful Questions

Interviews are a two-way street! Prepare thoughtful questions about the company’s projects, culture, and career development opportunities. This shows your genuine interest in the role and helps you assess if Whessoe Engineering is the right fit for you.

Senior Mechanical Engineer in London
Wolviston Management Services
Location: London
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