Process Engineer

ALTEN LTD - UK; Bristol; On-site; GBP 40,000 - 60,000; Full time

Job summary

Join a leading engineering firm as a Process Engineer working on innovative nuclear projects. You'll be responsible for system design and documentation, contributing to the safe and efficient operation of mechanical and fluid systems. Ideal candidates will have a solid engineering degree and experience in regulated environments, with strong documentation and collaborative skills.

Benefits

Private Medical Insurance

Pension Scheme

Cycle-to-work Scheme

Flexible working arrangements

Career development support

Qualifications

• Experience on large, highly regulated engineering projects.
• Proficient in P&IDs and technical specifications.
• Ability to produce clear technical documentation.

Responsibilities

• Develop and maintain technical documentation for fluid systems.
• Define functional requirements and develop system control logic.
• Analyze project data for continuous improvement.

Skills

Collaboration

Communication

Fluid Systems Understanding

Mechanical Design

Education

Degree in Mechanical, Process, Nuclear Engineering

Tools

System Modelling Tools

Job description

Are you passionate about engineering? Do you want to make a difference?

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.

Join us and start building tomorrow’s world today!

Are you passionate about engineering? Do you want to make a difference?

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.

Join us and start building tomorrow’s world today!

Job Description

What will you be doing?

As a Process Engineer, you’ll play a critical role in delivering complex mechanical and fluid systems for a major nuclear programme. You’ll be responsible for key elements of system design—from technical documentation to control logic—ensuring safe, efficient operation that meets strict engineering and regulatory standards.

Your main responsibilities will be:

Systems Design & Documentation

• Develop and maintain technical documentation covering fluid systems, operating procedures, control logic, safety, and testing.
• Ensure system designs are aligned with project requirements, engineering standards, and compliance needs.

Instrumentation & Control

• Define functional requirements and develop system control logic.
• Produce supporting diagrams and specifications for testing and operations.
• Review system performance and make improvements based on test outcomes.

Mechanical Engineering

• Specify and size key components such as pumps, valves, pipework, and tanks.
• Conduct fluid system analysis using both in-house and commercial tools.
• Ensure 3D models align with mechanical design intent.
• Support procurement with technical documentation and system specifications.

Continuous Improvement

• Analyse project data and apply lessons learned from similar high-integrity engineering environments.
• Work closely with multi-disciplinary teams to ensure seamless integration of systems across safety, layout, environment, and procurement.
• Drive process optimisation and share technical knowledge across teams.

You are...

• Passionate about engineering
• result-oriented
• proactive
  
  

Qualifications

Experience, skills and qualifications required:

• Degree-qualified in Mechanical, Process, Nuclear, or a related Engineering discipline.
• Strong understanding of fluid systems, mechanical design, or I&C integration.
• Experience working on large, highly regulated engineering projects (e.g. nuclear, defence, aerospace, oil & gas).
• Familiar with industry standards and regulatory frameworks (e.g. RCC-M, ASME, ISO 9001).
• Proficient with system modelling and analysis tools (thermal-hydraulic or mechanical).
• Ability to read and interpret P&IDs, 3D models, and technical specifications.
• Strong collaboration and communication skills across engineering disciplines.
• Comfortable producing clear technical documentation and contributing to procurement activities.
  
  

Additional Information

Why join us?

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow, today!

In short you get:

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Consulting

• Industries

  IT Services and IT Consulting

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