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Outside IR35 principal mechanical engineer

3 principal mechanical engineer jobs found

CL
Apr 12, 2026  
Principal Structural Engineer
Principal Structural Engineer Location: Manchester (Hybrid working, 3 to 4 days a week onsite) Contract: 12 month contract Rate: £400 to £490 per day (outside IR35) We are currently recruiting for a Principal Structural Engineer to join a growing engineering consultancy delivering major infrastructure projects across the rail and water sectors. This is an excellent opportunity to work on technically challenging projects while leading structural design delivery within an experienced multidisciplinary team. The Role As a Principal Structural Engineer, you will be responsible for providing technical leadership and ensuring high-quality structural design delivery across a range of infrastructure projects. You will work closely with clients, project teams, and junior engineers to develop safe, efficient, and compliant structural solutions. Key responsibilities include: Ensuring the design team produces deliverables that meet safety and quality requirements Approving design...
IR35 Status:
Outside IR35

CV-Library Stretford, Greater Manchester Contractor
CL
Apr 12, 2026  
HV Design Engineer
I'm recruiting for a HV Design Engineer to work on a long contract outside of IR35 to work with a leading international engineering and consulting group. They work in close partnership with clients to solve complex challenges around the movement of people, goods, and services-delivering innovative, resilient infrastructure solutions. With a strong focus on future-ready design, they are at the forefront of developing smarter, more efficient infrastructure that responds to evolving technologies, changing behaviours, and increasing demand. Their approach puts people at the heart of design, combining technical excellence with a collaborative, forward-thinking culture. With ambitious growth plans in the UK, this is an excellent time to join the business as they continue to expand their footprint and reputation across the energy and infrastructure sectors. Hybrid working based out of offices in either London, Birmingham, York, Manchester, Edinburgh or Reading. They are seeking a...
IR35 Status:
Outside IR35

CV-Library Greater Manchester, UK Contractor
CL
Apr 11, 2026  
E&P CRE
Are you a Principal Engineer with proven experience managing a team on rail-based projects?   Have you got experience with earthing and bonding and DNO's?   Position: Principal E&P Engineer Rate: DOE (Outside Ir35) Location: York, Sheffield or Preston  (Hybrid 2 days WFH)   This is an opportunity to work on various rail infrastructure projects based in the North, including signalling power, E&P works and earthing and bonding.   As Principal Engineer you will be responsible for working on projects including low voltage systems, signalling power, and station electrification, as well as earthing and bonding.   As Principal Engineer you must have proven experience working in a senior position with line manager responsibilities/experience managing a team. If you are a proven CRE this is highly desirable.   Requirements: ·Proven experience as a Senior E&P Design Engineer, managing teams. ·Strong technical knowledge in low voltage systems, station design, and...
IR35 Status:
Outside IR35

CV-Library York, UK Contractor
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