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Senior Process Engineer

Job in Southampton, Hampshire County, SO15, England, UK
Listing for: Arup
Apprenticeship/Internship position
Listed on 2026-09-09
Job specializations:
  • Engineering
    Environmental Engineer, Process Engineer, Chemical Engineering
Job Description & How to Apply Below
Joining Arup Arup’s purpose, shared values and collaborative approach has set us apart for 80 years, guiding how we shape a better world.  Arup’s civil engineering expertise helps us to find solutions for our clients in built and natural environments.  Our team work on a diverse range of projects from city-wide and region-wide Master planning, to infrastructure designs for water, energy, rail, highways, aviation and building property projects.

The Opportunity We are looking for a candidate with a background in Process engineering design on multi-disciplinary projects within the municipal and industrial water sectors. With our depth and breadth of skills, our team is currently involved in many exciting projects across the Energy, Water and Resources sectors. Whilst the team is based  mainly in  Southampton, our work involves supporting UK and international projects, integrating with teams in our offices across the globe.

As a senior engineer you are likely to have ability to work across the project life cycle from developing concept designs to outline and detailed designs, and skills working in or directing process engineering teams to ensure production of deliverables to established timelines and within budget.

What you’ll do You will co-ordinate the work of others and liaise with engineers of other disciplines, imparting your knowledge and experiences. You will be working in highly regulated sectors, within a gated design and project delivery process. You will be involved in the development of mass and energy balances, process data sheets, control philosophies, and commissioning plans. You will also be involved in report writing and the development of fee proposals and feasibility studies of plant operating and capital costs.

We would expect you to have a practical comprehension of how your designs will be implemented, and of digital approaches to solve our problems, including the relevant current analysis and design software.

We operate an enviable graduate training scheme, which is accredited by the IChemE, and as a senior engineer you will be expected to join the mentoring programme and help to shape our future pipeline of process engineers. We are looking for candidates with experience of a variety of technologies needed for the treatment of potable water, wastewater and biosolids processing.

The successful candidates are likely to have design experience of the following: fixed and suspended growth systems, anaerobic treatment of biosolids and high-strength effluent, biogas handling and upgrading, membrane separation, solids filtration, disinfection, oxygenation, thermal hydrolysis, nutrient removal processes, chemical storage and dosing systems, along with some experience of Haz Op, DSEAR, COMAH, SIL determination, flammable gas handling and compression.

What we’re looking for:

Degree qualified in chemical engineering or similar

Experience of working in or leading process engineering teams to ensure production of deliverables to agreed timelines, within budget. Use of Biowin/GPS-X modelling software.  Experience acting as the process designer in the HAZOP teams. Chairing Haz Op studies Resolution of technical matters and ideally experience of working in highly regulated sectors. Development of fee proposals, creation of PID’s, plant layouts, GA and creation of energy and mass balances.

Development of feasibility studies and plant operating and capital costs

In addition to your technical skills, we need people who have the following attributes:

Experience of digital approaches to solve our problems including the relevant current analysis and design software Support and mentor junior team members

Have or be actively working towards a professional qualification with a relevant professional body, such as the Institution of Civil Engineers.

Please note, to ensure we remain GDPR compliant do not send your CV directly to us via this email.

What we offer youAt Arup, we care about each member’s success, so we can grow together.

Guided by our values, we provide an attractive total reward package that recognizes the contribution of each of our members to our shared success. As well as competitive, fair and…
Position Requirements
10+ Years work experience
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