Senior Mechanical Engineer - HVAC & Cooling Systems. BAE Systems Barrow - 2 days every 2 weeks onsite. £53.90 Umbrella 6 month contract - highly likely to be extended. As part of the HVAC and Cooling teams, you will play a key role in gathering, managing, and analysing heatload data for all equipment consumers across the submarine platform. This is a critical task that underpins the design and integration of the overall cooling and environmental systems. The role requires engineers who can combine strong technical judgement with persistence and attention to detail, ensuring data is accurate, robust, and aligned with system requirements. Core Duties Typical duties include (but are not limited to): (suggested 5-10 bullets/statements, indicative of the role at this level) Your responsibilities will include: • Working full-time on heatload data gathering and management for platform equipment consumers • Liaising with equipment owners to secure complete and accurate heatload information • Managing and maintaining the central heatload database, ensuring traceability and data quality • Scrutinising and challenging submitted loads to ensure they are reasonable and technically sound • Identifying opportunities to drive more efficient cooling solutions across the platform • Conducting analysis on aggregated heatloads to support HVAC and Cooling system integration • Supporting the wider team in ensuring heatload data is delivered to programme milestones Safety: The role holder is responsible for taking reasonable care of their own health and safety ensuring high standards for safety, health and environment (SHE) in our organisation are maintained. This includes co-operating and following all reasonable instruction, information and training reporting work-related hazards or incidents and using all equipment for the purpose intended. More detailed responsibilities are captured within the Company Health & Safety Policy (759/OF/016) and the Company Environmental Policy (759/OF/029). Knowledge, Skills and Qualifications Knowledge: (Recommended max 5 bullets/statements) Awareness of cooling technologies and thermal management principles Relevant engineering experience in mechanical, thermal, HVAC, or systems engineering Desirable: • Experience working with HVAC, cooling, or environmental systems in a complex engineering environment • Familiarity with submarine or naval vessel design constraints • Competence in data management tools and structured databases Skills: (Recommended max 5 /statements) Strong analytical skills with the ability to scrutinise and challenge technical data Excellent communication skills, with the confidence to engage and influence equipment owners and stakeholders Good organisational ability, able to manage a large volume of repetitive tasks with accuracy and consistency Qualifications: (Specify only as appropriate, or say ‘none specified.' Where a qualification is listed, please indicate whether it is ‘Expected or Preferred.') STEM-related degree or equivalent industrial experience Behaviours ? At BAE Systems both what you do and how you do it are of equal significance. Our eight company behaviours are applicable to all roles across the business, but the context of your role will determine how each behaviour is demonstrated. About the team you'll be working in You will join the HVAC and Cooling teams within the Platform Mechanical Integrated Delivery Team – a group responsible for the design and integration of environmental and thermal management systems across the submarine platform. While the work is focused and repetitive in nature, it is essential to the success of the programme and requires the persistence, diligence, and technical judgement of competent engineers. You will work closely with system leads and equipment owners to ensure accurate and reliable heatload data is available to drive design decisions.