Mechanical Design Engineer

Millbank Holdings; Barnstaple; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Millbank Holdings Ltd is seeking a Senior Mechanical Design Engineer to review, correct and release intricate drawings in line with BS8888. You’ll apply GD&T, perform tolerance stack analyses, and coordinate with suppliers to resolve technical queries.

Hybrid role with minimum 2 onsite days weekly in Barnstaple; SC clearance eligibility required. The role supports a major defence programme within a regulated environment.

Qualifications

• Mechanical Engineering HNC or equivalent qualification.
• Senior Mechanical Design Engineer or Principal Mechanical Engineer experience.
• Extensive experience reviewing, approving and correcting drawings.
• BS8888 standards knowledge.
• GD&T principles applied in practice.
• Tolerance stack-up analysis experience.
• Interpret, amend and correct complex drawings and documents.
• Experience in defence/aerospace/marine manufacturing environments.
• SolidWorks or equivalent 3D CAD knowledge.
• Word/Excel/PowerPoint proficiency.
• Advanced English communication skills.
• Strong stakeholder engagement and technical communication.
• SC Security Clearance eligibility.

Responsibilities

• Review and approve drawings per BS8888 and design standards.
• Identify and resolve non-conformances and documentation issues.
• Amend and update drawings and related technical docs.
• Support configuration control and project lifecycle activities.
• Conduct tolerance stack-up analyses for manufacturability and integrity.
• Apply and review GD&T principles across projects.
• Liaise with suppliers and internal stakeholders on technical queries.
• Support engineering change processes and releases.
• Ensure compliance with industry standards and regulatory requirements.
• Manage supplier technical requests and reviews.
• Support simulations and engineering change assessments.
• Drive drawing quality improvements and documentation compliance.

Skills

GD&T principles

Stakeholder engagement

English communication

Education

HNC or equivalent

Tools

SolidWorks

Microsoft Word

Microsoft Excel

PowerPoint

Job description

Do you have proven experience reviewing, correcting and approving complex engineering drawings in accordance with BS8888 standards? Can you demonstrate strong expertise in GD&T application and tolerance stack analysis within a highly regulated engineering environment? Would you like to play a key role on a major defence engineering programme supporting the delivery of critical engineering projects?

The Opportunity

An exciting opportunity has arisen for an experienced Senior Mechanical Design Engineer to support a major defence engineering programme. Joining a globally recognised engineering and technology partner, you will be responsible for reviewing, correcting and releasing engineering drawings while ensuring compliance with BS8888 standards, industry regulations and engineering best practices.

Your duties and responsibilities will be

• Review and approve engineering drawings in accordance with BS8888 and company design standards.
• Identify, assess and resolve drawing non-conformances, redline comments and documentation issues.
• Amend and update existing engineering drawings and associated technical documentation.
• Support design documentation and configuration control activities throughout the project lifecycle.
• Conduct tolerance stack-up analysis to ensure manufacturability and design integrity.
• Apply and review Geometric Dimensioning & Tolerancing (GD&T) principles.
• Liaise with suppliers and internal stakeholders to resolve technical drawing queries.
• Support engineering change processes and drawing release activities.
• Ensure technical documentation complies with industry standards, regulatory requirements and engineering best practice.
• Manage supplier technical requests and documentation reviews.
• Support simulation activities and engineering change assessments.
• Drive continuous improvement initiatives relating to drawing quality and documentation compliance.

You will have the following qualifications & experience:

• Mechanical Engineering HNC or equivalent engineering qualification.
• Proven experience as a Senior Mechanical Design Engineer or Principal Mechanical Engineer.
• Extensive experience reviewing, approving and correcting engineering drawings.
• Expert knowledge of BS8888 standards.
• Strong practical application of GD&T principles.
• Experience carrying out tolerance stack-up analysis.
• Ability to interpret, amend and correct complex engineering drawings and associated documentation.
• Experience supporting engineering projects within highly regulated industries such as Defence, Aerospace, Marine or Advanced Manufacturing.
• Knowledge of 3D CAD packages such as SolidWorks or equivalent.
• Proficiency in Microsoft Word, Excel and PowerPoint.
• Advanced English communication skills.
• Strong stakeholder engagement and technical communication abilities.
• Eligibility to obtain SC Security Clearance.

It’s great if you also have the following

• Previous experience working on defence programmes.
• Knowledge of engineering configuration management processes.
• Experience managing supplier technical reviews and approvals.
• Experience supporting engineering simulations and engineering change management activities.
• A track record of driving drawing quality improvements and documentation compliance initiatives.

The setting for the role

Hybrid working arrangement available. Minimum of 2 days per week onsite in Barnstaple. Candidates can begin work with BPSS clearance while SC clearance is being processed.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.

We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.