Senior Pressure Vessel Design Engineer

Owen Daniels; Thatcham; On-site; GBP 125,000 - 150,000; Part time

Job summary

A specialist engineering consultancy is seeking a Senior Pressure Vessel Design Engineer in Thatcham to support a high-profile defence project. The role involves producing and reviewing technical documentation in a regulated environment. The ideal candidate will have a degree in Mechanical Engineering and at least 5 years of experience. This is a 5-month contract role outside IR35 with a likelihood of extension and an immediate start.

Qualifications

• 5+ years' experience in regulated environments (defence, nuclear, etc.).
• Proven experience in pressure vessel design and calculation review.
• UK passport required for security clearance.

Responsibilities

• Produce design substantiation and verification documentation.
• Prepare technical reports including compliance matrices.
• Review drawings and documentation produced by other engineers.

Skills

Strong pressure vessel design knowledge

Technical report writing

Regulatory compliance documentation

Proficiency in Microsoft Office

Education

Degree in Mechanical Engineering

Tools

AutoCAD

Inventor

PV Elite or Code Calc

Job description

Senior Pressure Vessel Design Engineer

Location: Thatcham, Berkshire

Contract: 5-month contract | Outside IR35

Start: ASAP

We are supporting a specialist engineering business delivering a UK MOD programme and are seeking an experienced Pressure Vessel Design Engineer to support the contract design phase and close out an active project, with strong potential for follow‑on work.

The Role

Working with a team of Design Engineers, you will produce and review technical documentation to substantiate pressure vessel and filtration designs in a highly regulated environment.

Key Responsibilities

• Produce design substantiation and verification documentation
• Prepare technical reports including compliance matrices, FMEA, human factors, and maintenance documentation
• Support transition from design to manufacturing
• Review drawings, calculations, and documentation produced by other engineers
• Maintain engineering records and document control
• Deliver work in line with project schedules and estimated hours

Requirements

• Degree in Mechanical Engineering (or equivalent)
• 5+ years' experience in regulated environments (defence, nuclear, etc.)
• Strong pressure vessel design knowledge and calculation review experience
• Proven technical report writing and compliance documentation experience
• Proficient in Microsoft Office
• UK passport required for security clearance

Desirable

• AutoCAD and Inventor experience
• PV Elite or Code Calc knowledge

Contract Details

• Outside IR35
• Immediate start
• High likelihood of extension
• Newbury-based role

If you're a senior‑level engineer with pressure vessel experience looking for a high‑profile defence project, this is an excellent opportunity.