Senior Process Engineer

Consult; United Kingdom; Remote; GBP 60,000 - 90,000; Full time

Job summary

Moynihan Process Engineering Ltd (mpe) seeks a Senior Process Engineer to deliver expert process design support for pharmaceutical and biopharmaceutical projects. This UK-based contract, remote role focuses on developing and reviewing P&IDs, mass and energy balances, and equipment datasheets.

You will support HAZOP/LOPA studies, contribute to pressure relief calculations, and ensure regulatory compliance, coordinating with client teams to identify hazards and mitigations.

Qualifications

• 5+ years of process design experience in pharma/biopharma industries.
• Based in the UK with right to work in the UK.
• Bachelor's degree or higher in Chemical Engineering or related discipline.
• Hands-on experience producing P&IDs, PFDs, mass/energy balances and datasheets.

Responsibilities

• Develop and review P&IDs, PFDs, mass and energy balances and equipment datasheets.
• Perform process design and control assessments on client projects.
• Contribute to pressure relief calculations and safety studies (HAZOP/LOPA).
• Prepare technical reports and ensure regulatory compliance.

Skills

P&IDs & PFDs

Mass & energy balances

Equipment datasheets

Remote work discipline

Education

Bachelor's or higher in Chemical Engineering

Tools

CAD/PID tools

Bluebeam

MS Office

Job description

Company Description

Moynihan Process Engineering Ltd (mpe) is a specialist consultancy focused on Process Safety, Process Engineering, and CE Certification for the pharmaceutical, biopharmaceutical, chemical, oil & gas, microelectronic, and related industries. The company has extensive experience in complex process safety analysis, including pressure relief device sizing and specification using API, ASME, and ISO standards. mpe delivers services such as HAZOP/LOPA facilitation and training, ATEX hazardous area classification and explosion protection documentation, and comprehensive process development and engineering support. The team also provides CE marking expertise and maintenance package development using FMEA/RCM methodologies to optimize asset management and plant performance. mpe is committed to supporting clients with challenging process and process safety issues.

Role Description

The Senior Process Engineer will provide expert process engineering support across client projects in the pharmaceutical and biopharmaceutical sectors. This is a contract, remote role for a UK-based engineer, and involves developing and reviewing process flow diagrams, mass and energy balances, equipment and instrument sizing, P&IDs, equipment datasheets and specifications, and user requirement specifications. Day-to-day activities include process design and control assessments, contributing to pressure relief calculations, supporting HAZOP and LOPA studies, and preparing technical reports and documentation. The Senior Process Engineer will collaborate with internal and client teams to identify hazards, propose mitigations, and ensure compliance with relevant standards and regulatory requirements.

Essential Requirements

• Minimum 5 years' process design experience in the pharmaceutical or biopharmaceutical industry.
• Based in the UK with the right to work in the UK.
• Bachelor's or higher degree in Chemical Engineering or a closely related discipline.
• Hands‑on experience producing P&IDs, PFDs, mass and energy balances, and equipment and instrument datasheets.

Desirable

• Experience with process safety methodologies (e.g., HAZOP, LOPA), pressure relief design, and applicable standards (API, ASME, ISO).
• Experience with API (small molecule) facilities, including agitated reactors, isolators and solvent systems.
• Familiarity with ATEX, hazardous area classification, and explosion protection documentation.
• Proficiency in engineering software tools (process simulation, CAD/PID tools, Bluebeam, MS Office).
• Strong communication skills, ability to work independently in a remote consulting environment, and experience in client‑facing roles.