Principal Mechanical Design Engineer - Hybrid, Career Path

Marstep Resourcing Solutions; Wallingford; Hybrid; GBP 59,000 - 72,000; Full time

Benefits offered by this job

Pension scheme

Structured career development

Professional accreditation support

Training & development investment

Twice-yearly salary reviews

Life assurance & health cover

Hybrid working

Travel opportunities

Job summary

Marstep Resourcing Solutions is seeking a Principal Mechanical Design Engineer to join a high‑calibre engineering team hybrid working arrangement. You will act as technical authority across multiple projects and shape engineering excellence.

The role offers a highly enhanced package with structured development, accreditation support and a clear progression path, as you mentor engineers and engage with clients and suppliers.

Qualifications

• Degree or Master’s in Mechanical Engineering (or equivalent) with design delivery experience.
• Extensive 3D CAD experience using Creo or SolidWorks.
• Significant GD&T, limits & fits, and design for manufacture knowledge.
• Strong fundamentals in mechanics, dynamics and materials.
• Experience with motors, rotating machinery, actuation systems, bearings and seals.
• Experience leading technical decisions and providing specialist guidance.
• Chartered Engineer status or working towards registration.
• Proactive, innovative and solution-focused.
• Strong analytical and problem-solving capability.
• Able to work independently and exercise sound judgement.
• Strong communication skills and a hands-on approach.
• Flexible across multiple projects and mentoring engineers.

Responsibilities

• Act as the technical authority within areas of recognised expertise.
• Lead the development, review and approval of complex mechanical designs, analyses, specifications and documentation.
• Provide expert technical guidance and support throughout the engineering lifecycle.
• Lead and participate in technical, design and gate reviews.
• Ensure compliance with legislation, standards, codes of practice and procedures.
• Identify, assess and mitigate technical risks and implement mitigation measures.
• Support project planning, estimation and decision-making with specialist knowledge.
• Develop and promote engineering standards and best practice.
• Mentor and develop engineers and transfer knowledge.
• Engage with clients, suppliers, contractors and internal stakeholders on complex technical matters.
• Support business development, bidding and strategic initiatives.
• Act as escalation point for significant technical issues and provide recommendations.

Skills

Creo

SolidWorks

GD&T

Rotating machinery

Mentoring

Leadership

Problem solving

3D CAD

Communication

Education

Degree or Master’s in Mechanical Engineering

Chartered Engineer status or working towards

Tools

Creo

SolidWorks

Job description

Marstep Resourcing Solutions is seeking a Principal Mechanical Design Engineer to join a high‑calibre engineering team hybrid working arrangement. You will act as technical authority across multiple projects and shape engineering excellence.

The role offers a highly enhanced package with structured development, accreditation support and a clear progression path, as you mentor engineers and engage with clients and suppliers.