Senior Mechanical Engineer - HVAC

AssystemBridgwater

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Bachelor's Degree in Mechanical Engineering or a related field. Proven experience in HVAC system design and project management. Strong analytical skills and proficiency in relevant engineering software. Excellent communication and teamwork capabilities.

About the job

Join Assystem as a Senior Mechanical Engineer specializing in HVAC systems, where you will play a pivotal role in designing and implementing innovative heating, ventilation, and air conditioning solutions. You will collaborate with multidisciplinary teams to ensure our projects meet the highest standards of efficiency and sustainability.

About Assystem

Assystem is a global engineering company dedicated to providing innovative solutions across various sectors, including energy, infrastructure, and life sciences. With a commitment to sustainability and excellence, we empower our teams to make a significant impact on the world.

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Senior Mechanical Engineer - Materials & Coatings

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Senior Mechanical Engineer specializing in Materials and Coatings, where you will play a pivotal role in designing and implementing innovative engineering solutions. Your expertise will contribute significantly to our projects, ensuring quality and efficiency while working alongside a dynamic team of professionals.

Mar 31, 2026

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Mechanical Engineer - Specializing in Materials and Corrosion

Assystem

Full-time|Hybrid|Bridgwater

Join us as a Mechanical Engineer specializing in materials, corrosion, and coatings in a hybrid role based in Bridgwater (3 days in the office). We welcome candidates who are within commuting distance or those willing to relocate, with support available for the transition. This critical position is part of a major nuclear construction program where you will collaborate closely with construction teams, engineering experts, and supplier organizations to tackle technical challenges and uphold configuration control. Your responsibilities will include:Addressing complex technical issues related to materials, coatings, and corrosion engineering on-site.Reviewing corrosion modeling, coating specifications, and material selection processes.Preparing detailed technical assessments, engineering documentation, and justification reports.Collaborating with construction teams to resolve interdisciplinary technical queries.Reviewing supplier documentation and facilitating the resolution of technical comments.Leading technical meetings with suppliers and internal engineering stakeholders.Providing oversight on contract engineering, ensuring scope, cost, and schedule compliance.Managing design risks, early warnings, and contract variation assessments.Coordinating interfaces between suppliers, client teams, and engineering stakeholders.Supporting configuration management activities, including design changes and contract updates.

Mar 4, 2026

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Quality Engineer - Coating

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Quality Engineer specializing in Coating processes! In this vital role, you will be responsible for ensuring the quality and consistency of coating applications within our manufacturing processes. As a key member of our team, you will collaborate with various departments to uphold our commitment to excellence and safety.

Feb 11, 2026

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Senior Mechanical Engineer - Replication and Integration

Assystem

Full-time|Hybrid|Bridgwater

This exciting hybrid position located in Bridgwater is ideal for candidates residing within commuting distance or those open to relocation. The role is pivotal in supporting configuration alignment and engineering integration for two significant nuclear programmes. Your future team is dedicated to capturing and applying lessons learned from established nuclear projects to replication activities while enhancing configuration management and engineering coordination within Mechanical, Piping, and HVAC systems. Your responsibilities will include coordinating Mechanical, Piping, and HVAC work packages within configuration management systems. Developing reference configuration datasets to support replication across nuclear programmes. Analyzing engineering datasets to pinpoint improvements in configuration processes. Supporting the development of engineering sequences necessary for replication activities. Developing and maintaining configuration management standards, procedures, and guidance. Resolving installation issues, such as dimensional discrepancies and equipment clashes. Collaborating with multidisciplinary stakeholders to ensure technical alignment across projects. Tracking and reporting engineering activities across Mechanical, Piping, and HVAC scopes.

Mar 4, 2026

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Senior Mechanical Engineer - Pressure Equipment

Assystem

Full-time|On-site|Bridgwater

Assystem is seeking a Senior Mechanical Engineer with expertise in pressure equipment for its Bridgwater location. This role focuses on the design, development, and continuous improvement of mechanical systems that play a vital role in demanding environments. Collaboration with colleagues across multiple disciplines is essential to ensure that all solutions adhere to strict quality and safety standards. Key responsibilities Lead the design and development of pressure equipment and associated mechanical systems Collaborate with cross-functional teams to deliver engineering solutions that align with project goals Support initiatives aimed at optimizing system performance and reliability Contribute to maintaining and enhancing quality and safety throughout each stage of the project Collaboration and impact This position involves regular interaction with professionals from various fields, working together to meet high standards for safety and performance. The Senior Mechanical Engineer plays a key part in ensuring that pressure equipment meets both technical and regulatory requirements.

Apr 27, 2026

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Senior Mechanical Engineer at Assystem | Bridgwater

Assystem

Full-time|Hybrid|Bridgwater

Join Our Team as a Senior Mechanical Engineer!In this dynamic hybrid role, you will play a crucial part in our Technical Branch, tackling intricate engineering challenges at our Bridgwater site. We offer relocation support for those who need it. As a Senior Mechanical Engineer, you will be recognized as a technical authority responsible for ensuring safety, compliance, and effective delivery across design and construction interfaces. Take the lead in resolving complex multidisciplinary design and construction engineering issues. Provide technical oversight for safety-classified design modifications. Author and prepare technical justifications, reviews, and decision-making documentation. Manage configuration control and integrity of as-built design information. Safeguard the integrity of the nuclear safety case for all engineering changes. Collaborate with stakeholders including designers, contractors, and project teams. Champion practical engineering solutions that span mechanical and system interfaces. Lead or support technical task forces addressing high-risk engineering challenges. Communicate engineering decisions with clear, risk-based justifications. Assist in resolving site queries during construction and commissioning phases.

Mar 17, 2026

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Senior Mechanical Engineer - HVAC

Assystem

Full-time|On-site|Bridgwater

Jul 28, 2025

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Records Discipline Lead (Coatings) at TES | Bridgwater, Somerset

Technical Engineering Support (TES)

Full-time|On-site|Bridgwater , Somerset, Royaume-Uni

Join TES: A Leader in Engineering Support!Technical Engineering Support (TES) has been at the forefront of engineering solutions for over 30 years. Our expertise lies in coordinating tests and facilitating industrial commissioning, ensuring that our clients achieve optimal performance in their operations. We take pride in assisting our customers with studies and the assembly of industrial equipment.We are seeking a dedicated Records Discipline Lead (Coatings) to join our team for the Hinkley Point nuclear project in the UK.Role Overview:You will serve as the primary point of contact for discipline-specific records on-site, working closely with Mechanical, Electrical, and HVAC (MEH) Area LTQR Coordinators and Technicians. Your focus will be on capturing and processing discipline-specific LTQR deliverables, ensuring that all project milestones are met on time and in accordance with project requirements.Key Responsibilities:Act as the single point of contact for discipline-specific records.Serve as a technical expert and liaise with MEH Site and Assurance Leads.Collaborate with the MEH completions team regarding CTP/EESR.Core Deliverables:Timely capture and technical review of discipline-specific records for area LTQR deliverables.Management of Area Discipline LODs, tracking asset installation, record verification, and completion.Familiarity with the Scope of Work, Contract Specifications, Nuclear Standards, and relevant drawings and procedures.Verification of AS9 IWOC and tracking task completion upon acceptance of LTQR deliverables in Teamcenter.Note: LTQRs are essential forms of objective evidence for quality assurance and conformance inspection and testing.

Mar 5, 2026

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Mechanical Engineer

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Mechanical Engineer, where you will play a pivotal role in the design, development, and implementation of mechanical systems for various projects. You will collaborate with cross-functional teams to ensure that engineering specifications meet customer requirements and standards. We are looking for a passionate individual who is eager to contribute to innovative solutions and improve project outcomes.

Feb 4, 2026

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Senior Mechanical Engineer - Welding & Fabrication

Assystem

Full-time|On-site|Bridgwater

Join our dynamic team at Assystem as a Senior Mechanical Engineer specializing in Welding & Fabrication. In this pivotal role, you will leverage your expertise to design, analyze, and implement mechanical systems, ensuring the highest standards of quality and efficiency in our projects. Collaborate with a talented group of engineers and contribute to innovative solutions that meet client specifications and industry standards.

Mar 31, 2026

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Mechanical Commissioning Engineer

Assystem

Full-time|On-site|Bridgwater

Assystem is seeking a skilled Mechanical Commissioning Engineer to join our dynamic team in Bridgwater. In this pivotal role, you will be responsible for overseeing the commissioning of mechanical systems, ensuring they meet the highest standards of performance and safety. Your expertise will contribute significantly to our projects, ensuring timely completion and adherence to specifications.This position offers an exciting opportunity to work on innovative engineering solutions within the energy sector. You will collaborate with a team of dedicated professionals, engaging in problem-solving and design optimization while adhering to industry regulations.

Jan 22, 2026

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Mechanical Layout Engineer

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Mechanical Layout Engineer and play a pivotal role in the design and layout of mechanical systems. You will collaborate with multidisciplinary teams to ensure the seamless integration of mechanical components into larger systems, focusing on innovation and efficiency. Your expertise will contribute to the development of cutting-edge solutions in a dynamic and fast-paced environment.

Sep 11, 2025

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Mechanical Configuration Engineer

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Mechanical Configuration Engineer, where you will play a vital role in the engineering design and configuration process. Your expertise in mechanical systems will help ensure that all configurations meet design specifications while adhering to industry standards. This is an excellent opportunity for those looking to advance their careers in a dynamic and innovative environment.

Aug 18, 2025

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Mechanical Engineer - HVAC

Assystem

Full-time|On-site|Bridgwater

Join our innovative team at Assystem as a Mechanical Engineer specializing in HVAC systems. In this pivotal role, you will design, develop, and implement advanced HVAC solutions for a variety of projects. Your expertise will contribute to enhancing energy efficiency and sustainability in our engineering practices.

Apr 10, 2026

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Mechanical Engineer at Assystem | Bridgwater

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Mechanical Engineer and contribute to innovative engineering solutions that drive efficiency and sustainability across various industries. In this role, you will be responsible for designing, developing, and testing mechanical systems and components, collaborating with cross-functional teams to ensure project success.

Sep 11, 2025

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Mechanical Welding Engineer

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Mechanical Welding Engineer, where your expertise will play a pivotal role in the development of innovative welding solutions. You will collaborate with a diverse team of engineers and technicians, ensuring the highest standards of quality and safety in our projects.In this role, you will be responsible for designing, developing, and optimizing welding processes, while also troubleshooting issues and implementing improvements. This position offers an opportunity to work on cutting-edge technologies in a dynamic environment.

Mar 18, 2026

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Mechanical & Electrical Engineer

Assystem

Full-time|On-site|Bridgwater

Assystem, a leader in engineering and project management, is seeking a dedicated Mechanical & Electrical Engineer to join our dynamic team in Bridgwater. In this role, you will collaborate with multidisciplinary teams to develop innovative solutions for complex engineering challenges. Your expertise will contribute to the successful delivery of projects within the energy sector.

Nov 28, 2025

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Mechanical Engineer - Construction

Assystem

Full-time|On-site|Bridgwater

Join our dynamic team at Assystem as a Mechanical Engineer specializing in construction projects. In this role, you will leverage your engineering expertise to design, develop, and oversee the implementation of mechanical systems within various construction frameworks. This position offers the opportunity to work on innovative projects that contribute to the advancement of engineering solutions.

Nov 28, 2025

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Junior Mechanical Engineer - Construction

Assystem

Full-time|On-site|Bridgwater

Join our dynamic team at Assystem as a Junior Mechanical Engineer specializing in construction projects. In this exciting role, you will assist in the design, analysis, and implementation of mechanical systems within various construction environments. Collaborate with experienced engineers and contribute to innovative solutions that drive project success.

Nov 28, 2025

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Junior Mechanical Engineer - HVAC

Assystem

Full-time|On-site|Bridgwater

Join Assystem as a Junior Mechanical Engineer specializing in HVAC systems. In this role, you will support the design and development of innovative HVAC solutions for various projects. If you are passionate about mechanical engineering and eager to contribute to cutting-edge technologies, we want to hear from you!

Apr 10, 2026

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Senior Mechanical Engineer - HVAC

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About the job

About Assystem

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