Senior Mechanical Engineer

🔒 Confidential Employer
Posted 10 January 2026
LOCATION
Chelmsford
TYPE
Contract
LEVEL
Mid-Senior level
SALARY
£63 / hour
CATEGORY
Engineering
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Mechanical Engineering 3D CAD Software Structural Design Numerical Calculations Tolerance Studies Electro-Optic Products Knowledge GD&T Cable Harness Design

FULL DESCRIPTION

Senior Mechanical Engineer (contract) in Chelmsford

Chelmsford

Full-Time

63 - 63 £ / hour (est.)

No home office possible

Senior Mechanical Engineer (contract) in Chelmsford

Chelmsford

Full-Time

63 - 63 £ / hour (est.)

No home office possible

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At a Glance

  • Tasks: Design and develop cutting-edge mechanical solutions for next-gen missile seeker programmes.
  • Company: Join a leading aerospace and defence company in Basildon, Essex.
  • Benefits: Competitive pay at £63ph, flexible 4-day work week, and contract stability.
  • Why this job: Make a real impact in the aerospace sector while working on innovative projects.
  • Qualifications: Experience in mechanical engineering, 3D CAD software, and electro-optic products required.
  • Other info: Initial 9-month contract with potential for growth in a dynamic team.

The predicted salary is between 63 - 63 £ per hour.

We are currently looking for a Senior Mechanical Engineer to join the Precision Guidance Integrated Project Team (IPT), working on equipment for the next generation of Missile Seeker Programmes.

What you’ll do as a Senior Mechanical Engineer:

  • Support senior members of staff in the delivery of technical solutions on critical Business Programmes.
  • Generation of mechanical solutions to relevant company and international standards.
  • Design of engineering solutions taking into account all requirements including product quality, safety, reliability, testability, sustainability, etc.
  • Mechanical engineering detailed design, including numerical calculations, tolerance studies, etc.
  • Produce Manufacturing Data Packs in line with BS8888 including appropriate application of GD&T.
  • Generate BoM within approved PLM system (Teamcenter).
  • Contribute to reviews of Mechanical designs in accordance with business and industry standards.
  • Deliver design solutions against Technical Requirements, within budget and timescales.

What we need from you:

  • Mechanical engineering for Electronic Products (including EO).
  • Perform ‘hands on’ mechanical design and development using 3D CAD software (PTC Creo).
  • Structural design and an ability to carry out ‘first pass’ analyses and work in conjunction with full-time Structural Analysts.
  • Experienced in working on Electro-Optic Products, with proven knowledge of electrical screening, grounding, opto-mechanical sub-assemblies, etc.
  • Detail and assembly drawing generation, in accordance with BS8888.
  • Numerical calculations, tolerance studies, etc.
  • Proven understanding of the application of materials and process finishes to meet EO Product needs.
  • Experienced in the design of Jigs, Fixtures and Tooling to support the Assembly, Integration and Testing of EO Products, for the Aerospace and/or Defence sector.
  • Ability to work within a multi-discipline IPT.
  • Knowledge of Cable Harness design, including Connector selection, screening, strain relief methods, etc.
  • Experienced in various aspects of DfX, including Manufacturing, Assembly, Test, Integration and Sustainability.

Senior Mechanical Engineer (contract) in Chelmsford employer: [Employer hidden — view at passion-project.co.uk]

As a Senior Mechanical Engineer at our Basildon location, you will be part of a dynamic team dedicated to pioneering advancements in missile seeker programmes. We pride ourselves on fostering a collaborative work culture that values innovation and professional growth, offering competitive pay and the opportunity to work on cutting-edge technology in the aerospace and defence sector. With a focus on employee development and a commitment to quality and sustainability, we provide a rewarding environment for those looking to make a meaningful impact in their field.

Contact Detail:

[Employer hidden] Recruiting Team

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StudySmarter Expert Advice 🤫

We think this is how you could land Senior Mechanical Engineer (contract) in Chelmsford

✨Tip Number 1

Network like a pro! Reach out to your connections in the aerospace and defence sectors. Attend industry events or webinars, and don’t be shy about introducing yourself. You never know who might have the inside scoop on job openings!

✨Tip Number 2

Prepare for interviews by brushing up on your technical knowledge. Be ready to discuss your experience with 3D CAD software and mechanical design. Practise explaining your past projects and how they relate to the Missile Seeker Programmes.

✨Tip Number 3

Showcase your skills through a portfolio! If you’ve worked on relevant projects, compile them into a neat presentation. Highlight your contributions to mechanical solutions and any innovative designs you’ve created.

✨Tip Number 4

Don’t forget to apply through our website! We’re always looking for talented individuals like you. Keep an eye on our listings and make sure your application stands out by tailoring it to the specific role.

We think you need these skills to ace Senior Mechanical Engineer (contract) in Chelmsford

Mechanical Engineering

3D CAD Software (PTC Creo)

Structural Design

Numerical Calculations

Tolerance Studies

Manufacturing Data Packs

GD&T (Geometric Dimensioning and Tolerancing)

Bill of Materials (BoM) Generation

Electro-Optic Products Knowledge

Detail and Assembly Drawing Generation

Jigs, Fixtures and Tooling Design

Cable Harness Design

DfX (Design for Excellence)

Multi-discipline Team Collaboration

Some tips for your application 🫡

Tailor Your CV:

Make sure your CV is tailored to the Senior Mechanical Engineer role. Highlight your experience with 3D CAD software, especially PTC Creo, and any relevant projects you've worked on in the Aerospace or Defence sector.

Showcase Your Skills:

In your application, don’t just list your skills—show us how you’ve applied them! Include specific examples of mechanical design projects where you’ve generated solutions that meet industry standards and requirements.

Be Clear and Concise:

When writing your application, keep it clear and concise. Use bullet points for key achievements and make sure to address all the requirements mentioned in the job description. We love a well-structured application!

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 makes it easier for us to keep track of everything.

How to prepare for a job interview at [Employer hidden]

✨Know Your Stuff

Make sure you brush up on your mechanical engineering principles, especially those related to Electro-Optic Products. Be ready to discuss your experience with 3D CAD software like PTC Creo and how you've applied it in past projects.

✨Showcase Your Problem-Solving Skills

Prepare examples of how you've tackled complex design challenges in the past. Highlight your ability to generate mechanical solutions that meet both company and international standards, and be ready to explain your thought process.

✨Understand the Role's Requirements

Familiarise yourself with the specific responsibilities outlined in the job description. Be prepared to discuss how your previous work aligns with delivering design solutions against technical requirements, including budget and timescales.

✨Ask Insightful Questions

Prepare thoughtful questions about the Precision Guidance Integrated Project Team and the Missile Seeker Programmes. This shows your genuine interest in the role and helps you gauge if the company is the right fit for you.

Senior Mechanical Engineer (contract) in Chelmsford

[Employer hidden]

Location: Chelmsford

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- Senior Mechanical Engineer (contract) in Chelmsford

Chelmsford

Full-Time

63 - 63 £ / hour (est.)

- [Employer hidden]

50-100

View [Employer hidden] Profile

- Senior Mechanical Engineer (contract) in Chelmsford

Chelmsford

Full-Time

63 - 63 £ / hour (est.)

- [Employer hidden]

50-100

View [Employer hidden] Profile

- Senior Mechanical Engineer (contract) in Chelmsford

Chelmsford

Full-Time

63 - 63 £ / hour (est.)

- [Employer hidden]

50-100

View [Employer hidden] Profile

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