Senior Mechanical Engineer - Downhole Tools

ZipRecruiter; Bristol; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A cutting-edge engineering company is seeking a Mechanical Engineer specializing in downhole tools for a hybrid position in Bristol. This role involves collaborative design, development, and testing of innovative tools in both oil & gas and geothermal markets, offering growth and flexibility in a dynamic environment.

Benefits

Flexible work environment

Career development support

Collaborative technical growth

Involvement in next-gen energy technologies

Qualifications

• Minimum 6 years of experience in mechanical design.
• Proven experience with downhole tools is essential.
• Hands-on experience with manufacturing methods and shop floor testing.

Responsibilities

• Designing mechanical assemblies for downhole applications.
• Substantiating designs with calculations and FEA analysis.
• Developing test setups and participating in test execution.

Skills

Mechanical Design

FEA (static and dynamic)

CFD Interpretation

Communication

Documentation

Education

Degree in Mechanical Engineering

Tools

3D CAD (Creo)

Job description

Job Description

Job Title: Mechanical Engineer - Downhole Tools
Location: Bristol (Hybrid)
Salary: Competitive + Benefits
Type: Permanent | Full Time (Monday-Friday, 37.5 hours/week)

iO Associates is proud to be partnered with a cutting-edge engineering company at the forefront of downhole technology development. As part of their continued growth into the geothermal and energy sectors, they are looking to expand their mechanical engineering team with an experienced Mechanical Engineer who brings specific experience with downhole tools.

This is a highly collaborative role within a multidisciplinary team tackling some of the industry's toughest engineering challenges-from high-pressure, high-temperature environments to mechanical dynamics, corrosion, and wear.

The Role:

As a Mechanical Engineer, you will play a key role in the design, development, and testing of downhole tools. You'll be expected to validate your work through engineering calculations, contribute to experimental setups, and participate in hands-on shop floor testing. This role requires both practical and analytical expertise, with opportunities to work on products used in both Oil & Gas and emerging geothermal markets.

Your Responsibilities Will Include:

• Designing mechanical assemblies for downhole applications

• Substantiating designs with calculations and FEA analysis

• Developing test setups and participating in test execution

• Producing comprehensive documentation (design reports, test results, specifications)

• Supporting manufacturing and suppliers with technical queries

• Reviewing and approving engineering drawings and specifications

• Collaborating across teams to enhance product reliability and innovation
  
  

What You'll Need:

• Degree in Mechanical Engineering

• Minimum 6 years of experience in mechanical design

• Proven experience with downhole tools is essential

• Understanding of materials, coatings, and mechanical properties

• Proficiency with FEA (static and dynamic) and CFD interpretation

• Hands-on experience with manufacturing methods and shop floor testing

• Excellent communication and documentation skills

• Familiarity with 3D CAD systems (Creo )
  
  

Why Join?

• Work in a high-impact industry at the intersection of energy, innovation, and sustainability

• Be part of a supportive team that values technical growth and cross-disciplinary collaboration

• Enjoy a flexible and stimulating work environment with career development support

• Get involved in both established and next-gen energy technologies