Defence Mechanical Design Engineer — GD&T & BS8888

Millbank Holdings; Pilton; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Millbank Holdings Ltd is seeking a Senior Mechanical Design Engineer to review, correct and release drawings in line with BS8888, GD&T, and regulatory requirements. You will manage drawing updates, non-conformances and documentation across a major defence programme.

The role requires extensive drawing experience, solidworks proficiency, and SC clearance eligibility. Hybrid working with onsite days in the Barnstaple area, and active involvement in supplier coordination and change processes.

Qualifications

• HNC or equivalent Mechanical Engineering qualification.
• Senior/Principal Mechanical Engineer experience.
• Extensive experience reviewing, correcting drawings.
• Expert knowledge of BS8888 standards.
• Strong practical GD&T application.
• Experience performing tolerance stack-up analyses.
• Ability to interpret and amend complex drawings and documentation.
• Experience in Defence/Aerospace/Marine/Advanced Manufacturing.
• Proficient in SolidWorks; MS Word/Excel/PowerPoint.
• Advanced English communication; stakeholder engagement.
• Eligibility to obtain SC security clearance.

Responsibilities

• Review and approve drawings to BS8888 and company standards.
• Identify and resolve drawing non-conformances and redlines.
• Amend and update existing drawings and related documentation.
• Support documentation control throughout the project lifecycle.
• Perform tolerance stack-up analyses for manufacturability.
• Apply and review GD&T principles across drawings.
• Liaise with suppliers and internal stakeholders to address queries.
• Support change processes and drawing release activities.
• Ensure documentation compliance with standards and regulations.
• Manage supplier technical reviews and documentation.
• Support simulations and engineering change assessments.
• Drive drawing quality improvement initiatives.

Skills

Drawing review

GD&T principles

Tolerance analysis

Stakeholder comms

Complex drawings

Education

HNC or equivalent in Mechanical Engineering

Tools

SolidWorks

MS Office

Job description

Millbank Holdings Ltd is seeking a Senior Mechanical Design Engineer to review, correct and release drawings in line with BS8888, GD&T, and regulatory requirements. You will manage drawing updates, non-conformances and documentation across a major defence programme.

The role requires extensive drawing experience, solidworks proficiency, and SC clearance eligibility. Hybrid working with onsite days in the Barnstaple area, and active involvement in supplier coordination and change processes.