Principal Mechanical Engineer

Company: SwiftCruit
Apply for the Principal Mechanical Engineer
Location: Warrington
Job Description:

Overview

At Amentum, our team is driven by an unyielding commitment to innovation, integrity and collaboration. We tackle significant challenges in science, security and sustainability, and strive to create a secure and vibrant future.

Position

Principal Mechanical Engineer – Birchwood Park, Warrington.

Responsibilities

  • Continue the development of tools to support early retrievals/operations of the MSSS SEP machines.
  • Lead a small team of designers/engineers to understand requirements, specify further requirements and continue the development of bespoke tools through concepts, trials and manufacture into fully deployable solutions.
  • Act as the single point of contact from initial request through to handover of a fully functional tool to MSSS plant operation teams.
  • Integrate and manage other groups such as the SL Innovation teams, site‑wide manufacturing capability and other contractors.

Requirements

  • Understanding of the roles and specifications of CDM.
  • Experience producing design packages suitable for manufacture and installation, containing drawings, method statements and risk assessments.
  • Familiarity and experience of working and complying with applicable SL practices, standards and engineering guides.
  • HNC/HND, Scientific or Engineering Degree.

Benefits

Competitive package with UK employees receiving free single medical cover and digital GP service, enhanced parental leave pay, free membership of employee assistance and parental programmes, and reimbursement towards professional development and memberships. Work‑life balance and flexibility are key focus areas.

EEO Statement

As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

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Posted: July 13th, 2026