Mechanical Engineer — Fire Suppression & Process Systems

Johnson Controls; England; On-site; GBP 42,000 - 56,000; Full time

Benefits offered by this job

Competitive salary

25 days holiday + BH and sick pay

7% matched pension

Free life assurance

Employee assistance program

Employee referral scheme

Discounts on high-street brands

Cycle-to-work scheme

Discount on Johnson Controls security

Job summary

Johnson Controls seeks a Mechanical Engineer to join the Fire Suppression and Production Systems team. You will design, develop, and deliver mechanical solutions for fire suppression and packaged systems, owning work packages from concept to delivery.

You will lead calculations, technical documentation, and liaison with suppliers, ensuring compliance with customer requirements and industry codes. Offshore, marine, and certification exposure is valued, with strong collaboration across teams.

Qualifications

• Bachelor's degree in Mechanical Engineering.
• 3-7 years' experience in a relevant engineering role.
• Experience delivering projects within regulated industries.
• Strong understanding of mechanical engineering principles, standards, and industry codes.
• Experience with packaged equipment, pressure systems, or process systems.
• Strong communication and stakeholder management skills.
• Proficient in Microsoft Office and Teams.
• Familiarity with DNV, ASME, API, ISO, or equivalent standards.
• Experience acting as the engineering focal point with Classification Societies and Independent Verification Bodies.
• Ability to lead design reviews, address technical comments, and secure design approvals from organisations such as DNV, Lloyd's Register, BV, ABS, and TÜV.
• Knowledge of offshore, marine, and industrial certification requirements.

Responsibilities

• Demonstrate accountability and professionalism.
• Support and mentor Graduate Engineers and CAD Designers.
• Promote knowledge sharing and engineering best practice.
• Take ownership of engineering work packages and deliverables.
• Support project planning, risk management, and change control.
• Monitor progress, proactively communicate issues, and contribute to successful project delivery.
• Produce and review calculations, specifications, and technical documentation.
• Develop mechanical designs for fire suppression and production systems.
• Carry out equipment sizing, component selection, and design verification.
• Prepare key project documentation, including BOMs, P&IDs, datasheets, reports, FDSs, test procedures, and IOMs.
• Liaise with suppliers and stakeholders to resolve technical queries.
• Support FATs, testing, commissioning, and fabrication activities.
• Identify risks, opportunities, and continuous improvement initiatives.

Skills

Leadership

Project Management

Technical calculations

Stakeholder management

Communication

Education

Bachelor's degree in Mechanical Engineering

Tools

DNV Standards

ASME Codes

API Standards

ISO Standards

Job description

Johnson Controls seeks a Mechanical Engineer to join the Fire Suppression and Production Systems team. You will design, develop, and deliver mechanical solutions for fire suppression and packaged systems, owning work packages from concept to delivery.

You will lead calculations, technical documentation, and liaison with suppliers, ensuring compliance with customer requirements and industry codes. Offshore, marine, and certification exposure is valued, with strong collaboration across teams.