JOB DETAILS

Process Engineer

CompanyTreatt
LocationWest Suffolk
Work ModeOn Site
PostedMarch 14, 2026
About The Company
Treatt manufactures exceptional natural extracts and ingredients enjoyed by millions of people, every day. The world’s best flavour houses, beverage and consumer goods brands trust Treatt’s team of innovative scientists and ground-breaking technologists to re-imagine what is possible. From sugar reduction solutions and natural extracts for beverages to high impact and aroma chemicals, Treatt gives formulators the creative tools to deliver novel and authentic sensory profiles. Treatt works in partnership with its customers across the global flavour and fragrance markets from its bases in the UK, the US and China.
About the Role

Job title: Process Engineer

Reporting to: Senior Process Engineer

Location: Bury St. Edmunds, Suffolk

Hours: 40 hours per week

The Opportunity

You will be a driven Process Engineer within our dynamic manufacturing environment. You will lead the design, implementation, control, and optimisation of industrial processes to enhance safety, efficiency, productivity, and sustainability. This is a critical role that works cross-functionally to deliver continuous improvement, support capital projects, and ensure operational excellence across the business.

What it’s like to work here

We’ve been making the world taste better since 1886 and sell over 3000 products in more than 90 countries, but we’re only just getting started. We’re on an exciting journey and have ambitious plans to become the indispensable partner of choice for the world’s leading flavour and fragrance houses, beverage and consumer brands. You can find out more about our exciting organisation here: TREATT | About Treatt the trusted global ingredients manufacturer

On joining Treatt, you’ll become one of over 400 international experts, working together to collectively surprise and delight our customers. Nothing is more important to us than the happiness of our people as without them, we’d never succeed. 

We think Treatt’s a great place to work, but don’t just take our word for it:

“Everyone wants your feedback and opinion; it feels like a place of study where nurturing and encouragement are the standard. It is very clear the hard work that goes into providing excellence for customers, but it is also very apparent that managers have the same goals for helping us all to progress.”

“Joining my close and supportive team was the most enjoyable way to gain more skills and increase my knowledge”

“Treatt creates an environment to help you be the best you can, with no two days the same and opportunities always available to help you learn and develop. The people and the culture create a fantastic company to be part of”

What you’ll be doing

The responsibilities of this role include but are not limited to:

Process Safety

· Support the site’s major accident hazard management systems.

  • Participate in and facilitate Hazard studies (HAZOP, LOPA) and risk assessments.

  • Ensure plant modifications follow Management of Change (MOC) procedures.

  • Contribute to the development and maintenance of the COMAH Safety Report.

Plant Operations Support & Continuous improvement

  • Support operations with technical input into processes and equipment to enhance safety, efficiency and productivity.

  • Investigate and troubleshoot process deviations and performance issues.

  • Monitor plant performance using process data and historian systems.

  • Support scale up and commissioning activities.

  • Identify opportunities to improve yield, energy efficiency, and plant reliability

  • Lead or support process optimisation and debottlenecking projects.

  • Conduct root cause analysis for process incidents and reliability issues.

  • Support capital improvement projects from concept through implementation.

Process Engineering & Design

  • Perform process calculations, mass and energy balances, and equipment performance evaluations.

  • Develop and maintain process documentation, including SOPs, Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs) and Operating and safety envelopes

Compliance & Documentation

  • Contribute to ensuring the plant operation complies with COMAH regulations, Environmental permits, Company engineering standards

  • Maintain accurate technical documentation and engineering records.

  • Collaborate with the quality department to follow quality procedure

What we’re looking for

If you have a genuine passion for what you do and want to work in an environment that celebrates progress, teamwork and dedication, you’re what we’re after.

Minimum requirement:

  • BSc/BEng Chemical Engineer or equivalent relevant academic qualification

  • 3+ years relevant industry experience

  • Knowledge of distillation, extraction and filtration technologies.

  • Experience in process safety studies (HAZID, HAZOP, PHR, LOPA)

  • Strong communication skills and ability to work across multiple teams.

  • Confident with MSOffice

Desirable:

  • NEBOSH general certificate/IOSH managing safety qualification

  • Formal Process safety training

  • Working towards Chartership

  • Experience with distributed control systems (DCS)

  • Experience with COMAH

  • Functional Safety Knowledge

  • Human factors knowledge

We offer an excellent package which includes a competitive salary; a generous holiday entitlement as well as the opportunity to purchase additional holiday, we also offer a discretionary annual bonus, BUPA medical and dental schemes, pension scheme with 9% employer contribution, life assurance, group income protection, SAYE schemes and free shares.

With the encouragement and development you need, we help you to become your ultimate you. Beyond building a successful career, we also support the wishes and ambitions of our staff outside of the office in achieving a health work/life balance - the wellbeing of our staff is paramount to us, which we actively promote and support by regularly delivering a variety of wellbeing initiatives and offering responsibility based flexibility. There will also be opportunities to be actively involved in community and charity projects and to take part in numerous subsidized social events.

Polite Notice

We politely request that we are not contacted by any recruitment agencies. We have a preferred supplier list and high volumes of speculative calls from agencies negatively impact upon the efficiency of our business. Please help us to maintain the highest levels of customer service by respecting our wishes.

Key Skills
Process SafetyHAZOPLOPAMOCCOMAHTroubleshootingProcess OptimisationRoot Cause AnalysisProcess CalculationsMass And Energy BalancesPFDsP&IDsChemical EngineeringDistillationExtractionFiltration
Categories
EngineeringManufacturingEnvironmental & SustainabilityScience & Research
Benefits
Competitive salaryGenerous holiday entitlementOpportunity to purchase additional holidayDiscretionary annual bonusBUPA medical and dental schemesPension scheme with 9% employer contributionLife assuranceGroup income protectionSAYE schemesFree shares
Job Information
📋Core Responsibilities
The Process Engineer will lead the design, implementation, control, and optimization of industrial processes to improve safety, efficiency, and sustainability across manufacturing operations. Key duties involve supporting process safety management, continuous improvement initiatives, troubleshooting deviations, and contributing to capital projects from concept through implementation.
📋Job Type
full time
📊Experience Level
2-5
💼Company Size
312
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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