Senior Mechanical Engineer

🔒 Confidential Employer
Posted 10 January 2026
LOCATION
Colchester
TYPE
Contract
LEVEL
Mid-Senior level
SALARY
£75 / 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 GD&T Electro-Optic Products Knowledge Cable Harness Design

FULL DESCRIPTION

Senior Mechanical Engineer (contract) in Colchester

Colchester

Temporary

50 - 75 £ / hour (est.)

No home office possible

Apply now

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 with a focus on innovation.

- Benefits: Competitive pay, flexible working hours, and opportunities for professional growth.

- Why this job: Make a real impact in the aerospace sector while working on exciting projects.

- Qualifications: Experience in mechanical engineering, 3D CAD software, and electro-optic products.

- Other info: Collaborative team environment with a focus on sustainability and quality.

The predicted salary is between 50 - 75 £ 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 Colchester 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 technology. 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 projects within the aerospace and defence sectors. Join us for a rewarding career where your contributions directly impact critical business programmes and where your expertise is recognised and valued.

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 Colchester

#### ✨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 asking for introductions. We all know that sometimes it’s not just what you know, but who you know!

#### ✨Tip Number 2

Prepare for those interviews! Research the company and their projects, especially anything related to missile seeker programmes. We want you to show off your knowledge of mechanical engineering and how it applies to their needs. Practice common interview questions and have your own ready to go!

#### ✨Tip Number 3

Showcase your skills with a portfolio! If you’ve worked on relevant projects, gather some examples to demonstrate your expertise in mechanical design and 3D CAD software. We love seeing tangible proof of your abilities, so make sure it’s polished and professional.

#### ✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always looking for talented individuals like you to join our team. Don’t miss out on the chance to land that Senior Mechanical Engineer role!

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

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 that align with missile seeker programmes or electro-optic products.

Craft a Compelling Cover Letter:

Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for this role. Mention specific skills like your experience in mechanical design and your understanding of BS8888 standards to show we’re on the same page.

Showcase Relevant Projects:

Don’t forget to include examples of your previous work that relate to the job description. Whether it's designing jigs, fixtures, or tooling, we want to see how your past experiences can contribute to our team’s success.

Apply Through Our Website:

We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!

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 previous roles. 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 skills in structural design, numerical calculations, and tolerance studies align with the needs of the Precision Guidance Integrated Project Team.

✨Ask Insightful Questions

At the end of the interview, don’t shy away from asking questions about the team dynamics or the specific projects you'll be working on. This shows your genuine interest in the role and helps you gauge if it's the right fit for you.

Senior Mechanical Engineer (contract) in Colchester

[Employer hidden]

Location: Colchester

Apply now

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- Senior Mechanical Engineer (contract) in Colchester

Colchester

Temporary

50 - 75 £ / hour (est.)

Apply now

- [Employer hidden]

50-100

View [Employer hidden] Profile

- Senior Mechanical Engineer (contract) in Colchester

Colchester

Temporary

50 - 75 £ / hour (est.)

Apply now

- [Employer hidden]

50-100

View [Employer hidden] Profile

- Senior Mechanical Engineer (contract) in Colchester

Colchester

Temporary

50 - 75 £ / hour (est.)

Apply now

- [Employer hidden]

50-100

View [Employer hidden] Profile

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