Mechanical Engineer

Green Cat Hydrogen Ltd; Glasgow, City of Edinburgh; On-site; GBP 40,000 - 55,000; Full time

Benefits offered by this job

Private Medical Healthcare

25 Days annual leave

8 bank holidays

Cycle to work scheme

Professional development support

Job summary

Green Cat Hydrogen Limited (GCH) is seeking an experienced Mechanical Engineer to join our team in Scotland. The role covers piping and mechanical design, calculations, and safety‑driven project work across hydrogen storage and plant equipment.

You will work with multi‑discipline teams, develop design criteria, perform detailed calculations, and support design reviews from conception to delivery. Travel to sites is expected as required.

Qualifications

• Minimum 4+ years in mechanical engineering.
• Bachelor’s degree or higher in Mechanical Engineering or related field.
• Experience in designing piping and mechanical systems with safety focus.

Responsibilities

• Develop design criteria for piping and mechanical equipment.
• Perform piping stress, equipment calculations and FEA as required.
• Contribute to HAZID/HAZOP studies and safety shutdown design.
• Design hydrogen storage solutions and high‑pressure tanks.
• Create equipment lists, MSDs, layouts, and tie‑ins; support project deliverables.

Skills

Mechanical design

Piping systems

Engineering calculations

Safety compliance

Team collaboration

Education

Bachelor in Mechanical Engineering

Tools

Drawing & docs tools

Job description

Please note Green Cat Hydrogen are unable to offer any form of visa sponsorship.

Green Cat Hydrogen Limited, Job Advertisement – Mechanical Engineer

Job Title: Mechanical Engineer

Salary: On application and dependent on experience

Location: Glasgow (80 St Vincent Street) or Edinburgh (1A Glenfinlas Street) with travel expected to site, as required.

The Company:

Green Cat Hydrogen Limited (GCH) is a dynamic and innovative green hydrogen project developer. GCH focus on the deployment of electrolytic hydrogen projects as a key part of the global energy transition and de‑carbonisation strategy. The business works closely with sister companies through the planning, permitting/licensing, engineering and design and construction of green hydrogen projects.

We are seeking an experienced Mechanical Engineer. The successful candidate will be responsible for a comprehensive range of mechanical engineering tasks, ensuring the highest standards of design, safety, and efficiency in our projects.

The Role:

• Develop and implement design criteria for piping and mechanical equipment, ensuring optimal performance and compliance with industry standards.
• Perform detailed calculations including piping stress, mechanical equipment and finite element analysis.
• Participate in HAZID and HAZOP studies, and design machinery shutdown systems to comply with safety standards.
• Design and implement hydrogen storage solutions, including high‑pressure tanks and storage systems; ensure safe storage and compliance with all relevant regulations and safety measures.
• Develop mechanical equipment lists, material selection guides, and material selection diagrams (MSD).
• Design equipment layouts and arrangements, piping layouts, sections, details, and utility station layouts.
• Specify, select and maintain compressors and pumps; ensure efficient and reliable operation through predictive maintenance, developing and managing spare parts lists.
• Create and maintain a variety of engineering documents and drawings including:
• Tie‑in Drawings
• Plot Plans and Key Plans
• Piping Isometrics, Risk‑Based Inspection Isometrics, Vessel Trim Isometrics
• Mechanical Standard Drawings and Details
• Engineered Pipe Support Drawings
• Work closely with project teams, engineering teams, and external stakeholders to define and meet project deliverables.

The ideal Candidate must have:

• Minimum of 4+ years of experience in mechanical engineering.
• A bachelor’s degree or higher in Mechanical Engineering or a related discipline.
• Demonstrated success in designing and optimising mechanical and piping systems with a strong emphasis on safety and efficiency.
• Expertise in performing detailed engineering calculations for piping and mechanical equipment.
• Proficiency in developing and interpreting engineering drawings and documentation.
• Excellent analytical and problem‑solving skills.
• Strong communication skills, with the ability to collaborate effectively with multidisciplinary teams.
• Willingness to travel as necessary, supported by a valid UK driving license.
• Must possess the legal right to work full‑time in the United Kingdom, in perpetuity.

The Candidate would benefit from:

• Experience in the hydrogen and renewable energy sectors.
• Familiarity with industry‑specific standards for piping and mechanical engineering.
• Professional accreditation or active membership in recognised engineering institutions.
• Experience with mentoring of junior engineers.

The employment package:

• Competitive salary, negotiated depending on qualifications, experience, and skills.
• Private Medical Healthcare.
• 25 Days annual leave and 8 flexible bank holidays.
• Cycle to work scheme.
• Professional development opportunities and support.Professional fees paid for by the company.
• Company social events and team building days.
• Flexible working opportunities.

Please submit your application including:

• Cover Letter (no page limit); and,

We will only be able to contact those applicants who have been selected for interviews. GCH reserve the right to close this posting early if the right candidate is identified.

Thank you for your interest and consideration.