Jacobs Process Engineer for Liquid Effluent Treatment system / UK EPR in Bristol, United Kingdom

Process Engineer for Liquid Effluent Treatment system / UK EPR


Jacobs is one of the world’s largest and most diverse providers of full-spectrum technical, professional and consultancy services for industrial, commercial and government organisations globally.

With more than 74,000 people globally, our teams collaborate, innovate and create. Our people are proud to have been behind some of the greatest consultancy and engineering feats over the past 70 years.

We foster a collaborative and inclusive environment for our people, and our partners, and we want you to be a part of our growing business.

With more than fifty years of Nuclear experience, Jacobs has unrivalled nuclear capability and provides full life-cycle solutions to our nuclear clients. Services include programme and project management, design and engineering, reactor support, construction, commissioning, operations, maintenance, (radioactive) waste management, decommissioning and clean-up.

We have consistently delivered value and innovation to technically challenging and complex nuclear and environmental-related projects by offering multidisciplinary capabilities, technical expertise, proven processes and a commitment to regulatory compliance, health, safety and quality workmanship.

Job Purpose:

The Liquid Effluent Treatment System Process Engineer is in charge of the system documents containing all the information on the design and the operation of their systems (description, sizing, P&ID and I&C). Responsible for writing the system design manuals (description, sizing, P&ID and I&C) and updating them.

Main Activities:

Based on the specification for the system, the preliminary safety report and the engineering guidelines, the system engineer:

  • Prepares the System Design Manual

o Describes the system, its role and missions (including the safety


o Carries out the operational design of the system

o Carries out the sizing for the system and its components

o Drives the 2D mechanical diagram designer for the production of the

Process & Instrumentation Diagrams and the population of component attributes in 2D mechanical diagram tool. Checks the technical consistency of the latter

o Writes the I&C requirements and prepares functional diagrams for the data input into the I&C tools related to the project

o Writes the I&C tests procedures

o Populates all the ”system” databases

  • Establishes/updates the safety classification of the components of the system

  • Update the PCSR (Pre Construction Safety Report) chapter related to their system

  • Ensures the proper integration of the P&ID in the 3D model (verifies the 2D/3D consistency)

  • Supports the Equipment Engineer to survey the documents produced by the equipment suppliers

  • Writes the tests and commissioning documents

  • Manages modifications related to the system:

o Receives the change requests issued by the various external parties

o Verifies the consistency of these modifications, systematically challenges their necessity

o Provides information for the decision on the modification implementation prior to including them in the system documentation

o Develops technical solutions and presents them to the client to help resolve their technical issues

o Consults with the client

These activities are performed in interaction with departments based near Paris.

Note1: This job description is not an exhaustive list of the responsibilities & activities that the job holder may be required to undertake.

Note2: Travel costs for non-local candidates are not paid.

Note3: Expected to attend during normal working hours Monday to Friday.

Note4: BPSS level security required



  • Mechanical or chemical engineer.

  • Junior Engineer to Engineer – considered

  • Microsoft Word/Excel, 3D viewer

  • Interpersonal skills, conscientiousness, organisation, writing ability

  • Ability to prioritise tasks, to manage stakeholders, to question and understand requirements of and from other engineering disciplines

  • Ability to meet commitments and deadlines


  • Knowledge of atomic and nuclear engineering

  • Mechanics, Chemistry, C&I

  • Ability to speak and write technical documents in French

Our Culture

At Jacobs we have recently celebrated 10 years of our culture of caring - ‘BeyondZero’. We see safety differently - we strive to go BeyondZero by putting the health, safety and well-being of our employees first in everything we do.

We are committed to equality across our business and we promote STEM and WISE (Women in Science & Engineering) initiatives. When you join Jacobs you will have access to a wide range of Global Networks, centred on inclusion and diversity. To find out more about our networks, check out our website:


We encourage applications from candidates looking for flexible working or reduced hours’ contracts.

Successful candidates will be asked to complete a Baseline Personnel Security Standard Pre-Employment check and will be required to undergo various checks including: Identity, Right to Work; Employment/Education History and Criminal Record. If you are unable to meet this and any associated criteria, then your employment may be delayed or rejected.

JACOBS is an Equal Opportunity Employer who is committed to the safety and wellbeing of all.

Primary Location United Kingdom-United Kingdom Countrywide-Bristol

Req ID: ATE00000E