Senior Mechanical Engineer

Carlisle, Cumbria
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Senior Mechanical Engineer - BAE Systems Barrow 

£53.90 per hour Umbrella - inside IR35 

2 days every 2 weeks onsite - 80% remote 

12 month contract

Specialising in HVAC/Cooling Systems - full job spec below.

The Senior Mechanical Engineer (Platform Systems) shall provide support to the Principal Engineers and/or external specialists during development and analysis of mechanical systems. The Senior Engineer shall be involved in leading analysis and production of technical reports and team deliverables.

JOB FUNCTION / CATEGORY Engineering GRADE S4 CORE DUTIES
In accordance with the level of supervision/responsibility assigned by role/grade:
• Develop design solutions to agreed time, cost and quality in accordance with project or business milestones.
• Develop and manage requirements and acceptance criteria specific to a system or product and/or across a system of systems, platform or programme
• Understand the contractual and performance requirements for various systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities.
• Produce documentation required to support the design review process, including: diagrams technical specifications supporting calculations design evidence and justifications
• Ensure design proving evidence is comprehensive, captured within the requirements management tools and has been endorsed by the appropriate level of authority
• Ensure compliance against contractual requirements and that work is undertaken in accordance with company, safety, environmental, contractual and local business processes, standards, procedures and documentation.
• Undertake design reviews and presentations to customers.
• Provide technical support to integrated performance and acceptance activities, including acceptance of equipment from suppliers through to system acceptance by the customer
• Review relevant supplier documentation and ensure it is captured and recorded appropriately.
• Support the development of estimates for the scope of work and resources required to deliver it in order to support bids, proposal development and project planning activities for various systems.
• Provide support to the Certificate of Design activities appropriate to the discipline and articulate and present complex technical argument clearly, logically and simply.
• Deliver technical input and engineering solutions in support of build activities, defect resolution and change management

Core Duties (GTI Description)

Typical duties include (but are not limited to):
? Requirements and acceptance criteria
? Technical reports and specifications
? Functional System Diagrams
? System design verification: calculations, modelling, analysis etc
? System Safety Justifications.
? Design reviews and technical presentations
? Test and validation plans
? Qualification and acceptance plans
? Maintain functional design intent through build and integration to commissioning and acceptance
Safety:

Knowledge, Skills and Qualifications

Knowledge:
? Demonstrable understanding of the development of mechanical systems from functional requirements
? Demonstrable experience of the engineering lifecycle
? Some knowledge or experience specifying mechanical equipment and components (heat exchangers, pumps, diesel generators, hydraulic plant, compressors, etc)

Job Info
CV-Library logo
Job Title:
Senior Mechanical Engineer
Company:
CV-Library
Location:
Carlisle, Cumbria
Salary:
£40.00 - £53.90 Per hour
Posted:
Jan 20th 2026
Closes:
Feb 20th 2026
Sector:
Engineering
Contract:
Contract
Hours:
Full Time
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