Senior Process Engineer
Posted 1 day ago by Addison Project
Negotiable
Outside
Undetermined
Daresbury, Borough of Halton
Summary: The Senior Process Engineer role at Addison Project Plc involves providing independent process engineering services from the Daresbury office for a 12-month contract. The position requires expertise in process calculations, equipment specifications, and safety assessments, with a focus on delivering high-quality results in a multi-discipline team environment. Candidates must possess a Chemical Engineering degree and relevant industry experience, particularly in a COMAH environment. The role is classified as outside IR35, indicating a favorable tax status for contractors.
Key Responsibilities:
- Producing process calculations, datasheets, and equipment specification sheets
- Developing PFDs and P&IDs
- Producing alarm/trip schedules and cause & effect diagrams
- Generating process reports and control philosophies
- Supporting plant troubleshooting activities
- Producing equipment, piping, valve, inline item, and instrument schedules
- Checking and approving technical documents
- Liaising with vendors and reviewing vendor information
- Participating in HAZID/HAZOP/LOPA reviews
- Completing Hazardous Area Classification and DSEAR assessments
Key Skills:
- Chemical Engineering degree (essential)
- Chartered Engineer status (desirable)
- Strong experience within a UK onshore process engineering design team in petrochemical, chemical, oil & gas, pharmaceutical, or food and beverage industries
- Proven knowledge and experience of HAZOP, DSEAR, and ATEX in a COMAH environment
- Ability to lead HAZOP Studies (desirable)
- Ability to work autonomously and produce high-quality results
- Passion for delivering safe, accurate design completed to cost and programme
- Adaptability and drive to meet targets
- Attention to detail and risk minimization
- Ability to work in a multi-discipline team
- Willingness to lead a project with a small team
- Willingness to work in the Engineering design office
Salary (Rate): undetermined
City: Daresbury
Country: UK
Working Arrangements: undetermined
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: Other
Role: Senior Process Engineer (Contract – Outside IR35)
Location: Daresbury
Contract: 12 months
Start Date: Spring 2026
Workscope
Addison Project Plc invites expressions of interest from suitably qualified independent (PSC) contractors to provide Senior Process Engineering Services. The services will be delivered from our Daresbury office and are assessed as Outside IR35.
Scope of Services
- Producing process calculations, datasheets and equipment specification sheets
- Developing PFDs and P&IDs
- Producing alarm/trip schedules and cause & effect diagrams
- Generating process reports and control philosophies
- Supporting plant troubleshooting activities
- Producing equipment, piping, valve, inline item and instrument schedules
- Checking and approving technical documents
- Liaising with vendors and reviewing vendor information
- Participating in HAZID/HAZOP/LOPA reviews
- Completing Hazardous Area Classification and DSEAR assessments
Experience & Qualifications
- Chemical Engineering degree (essential)
- Chartered Engineer status (desirable)
- Strong experience within a UK onshore process engineering design team within either a petrochemical, chemical, oil & gas, pharmaceutical or food and beverage industry
- Proven knowledge and experience of HAZOP, DSEAR and ATEX in a COMAH environment. Including carrying out Hazardous Area Classification Assessments
- The ability to lead HAZOP Studies (desirable)
- Ability to work to a high level of autonomy and to produce high quality results
- Passion for delivering safe, fit for purpose, accurate design, completed to cost and programme.
- Ability to be adaptable and to drive progress to meet targets.
- Thorough approach with attention to detail and the ability to recognise and minimise risks
- Ability to work in a multi-discipline team
- Willing to lead a project with a small team; supporting less experienced engineers
- Willing to work in the Engineering design office
How to Express Interest
Submit CVs and apply now
Important Information for Applicants
Applicants must have indefinite eligibility to work in the UK
Notice to Recruitment Agencies
The Company does not accept unsolicited agency resumes. Recruitment agencies should not send resumes to our HR team or to any of our employees. We are not responsible for any fees related to unsolicited resumes