Principal mechanical engineer

Principal Mechanical Engineer
Warrington (Hybrid - 3 Days On Site)
£56-61 per hour | Inside IR35

Are you an experienced Principal Mechanical Engineer looking to play a key role on one of the UK's most complex engineering programmes?
We're seeking an innovative engineer to join a specialist design team supporting the development of bespoke tooling and equipment for critical plant operations. This is an opportunity to lead technical delivery from concept through to deployment while managing a small team of engineers and designers.

The Opportunity
Working within a multidisciplinary environment, you'll be responsible for driving the development of specialist mechanical tools that support plant operations and retrieval activities. You'll oversee projects from initial requirements capture through concept design, trials, manufacture and final handover to operational teams.
This is a highly collaborative role, working closely with innovation teams, manufacturing partners and site stakeholders to deliver practical engineering solutions.
Key Responsibilities

Lead the design and development of bespoke mechanical tooling
Manage a team of engineers and designers throughout the project lifecycle
Translate operational requirements into practical engineering solutions
Oversee concept development, testing, manufacture and deployment
Coordinate with manufacturing, innovation and operational teams
Act as the technical focal point from initial request through to final delivery
Produce and review engineering design packages for manufacture and installationWhat We're Looking For

10+ years' experience in mechanical engineering
Proven experience leading complex engineering or design projects
Strong understanding of CDM regulations and engineering standards
Experience producing design packages including drawings, method statements and risk assessments
HNC/HND or Degree in Mechanical or Engineering discipline
Excellent stakeholder management and leadership skillsDesirable

Experience within nuclear, decommissioning or other highly regulated environments
Knowledge of legacy facilities, hazardous materials or contaminated environmentsWhat's On Offer
£56-61 per hour
Inside IR35
Hybrid working - 3 days per week in Warrington
Long-term programme supporting nationally significant infrastructure
Opportunity to lead innovative engineering solutions from concept to delivery
If you're a technically strong Principal Mechanical Engineer who enjoys solving complex engineering challenges and leading multidisciplinary teams, we'd love to hear from you