Process Design Engineer

Ross ENG; City of Edinburgh; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading water technology company in Scotland seeks an experienced Process Design Engineer to contribute to the design and development of innovative products for the water treatment industry. The successful candidate will work on process designs, collaborate with multidisciplinary teams, and ensure compliance with industry standards. The role offers an industry-leading salary, flexible career development paths, private healthcare, and a generous holiday allowance. This position supports the advancement of a thriving career within a flourishing sector.

Benefits

Industry-leading salary based on experience

Flexible career development path

Private Healthcare

Holiday Allowance of 31 days per year

Pension Scheme

Discounted National Gym Membership

Employee Discount Platform

Cycle to Work Scheme

Qualifications

• Experience of working at all design stages, from optioneering/FEED through to construction support.
• Ability to plan and organise workloads within a busy design environment.
• Experience of piloting, commissioning, and troubleshooting water and wastewater technologies (Desirable).

Responsibilities

• Develop standardised process designs for wastewater treatment products.
• Prepare process models, mass balances, equipment sizing, and performance projections.
• Ensure all technical documentation aligns with regulatory and industry standards.

Skills

Process Design Engineering Experience Within Wastewater Environments

Experience in multidisciplinary design team

Ability to follow/interpret/explain technical instructions

Knowledge in strategic planning and risk management

Analytical and problem-solving capabilities

Job description

What Are We Looking For?

Our Products & Innovation team is expanding with the appointment of an experienced Process Design Engineer who will be responsible for the design and development of new & innovative products for the water‑treatment industry. The successful candidate will provide design input, whilst formulating and developing new product designs for clients. This position is based from our office in Inverness, however, suitable candidates will be considered for our offices across Scotland.

Key Duties

• Develop standardised process designs for wastewater treatment products.
• Prepare process models, mass balances, equipment sizing, and performance projections.
• Preparation of PFDs.
• Preparation of Process Calculations.
• Preparation of Control Philosophies.
• Working with a multidisciplinary team to integrate process requirements into the overall product design.
• Evaluate new technologies within the market.
• Ensure all technical documentation aligns with regulatory and industry standards.

Qualifications

• Process Design Engineering Experience Within Wastewater Environments Is Essential.
• Experience of working in a multidiscipline design team.
• Experience of working at all design stages, from optioneering/FEED through to construction support and As‑Built.
• Possess the ability to work on multiple products consecutively.
• Knowledge of current design Standards covering British Standards and Eurocodes.
• Ability to follow/interpret/explain technical instructions.
• Knowledge in strategic planning and risk management.
• Can conform to shifting priorities, demands and timelines through analytical and problem‑solving capabilities.
• Ability to plan and organise day‑to‑day workloads within a busy design and build environment.
• Able to learn, understand, and apply new technologies with flexibility and apply innovative thinking.
• Able to effectively prioritise and execute tasks in a high‑pressure environment.
• Experience of piloting, commissioning and troubleshooting water and wastewater technologies (Desirable).
• Full UK Driving Licence.

Who Are We?

RSE is a trusted water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low‑carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.

Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in‑house and full‑service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.

Our service offering presents industry‑leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.

What RSE Offer

• Industry‑leading salary based on your experience.
• A flexible career development path, with no restrictions on where your career can go.
• Private Healthcare (Personal).
• Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service.
• Holiday Buy / Sell Scheme.
• Company Pension Scheme.
• Cycle to Work.
• Discounted National Gym Membership.
• Professional Fees Paid.
• Employee Discount Platform.
• EV/Hybrid Car Lease Scheme.
• Access to our network of health professionals including mental health champions and Occupational Health Nurse.

In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.

If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply now.