Nuclear Process Engineer: PFD/P&ID Specialist & Safety

ALTEN; Taunton; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Private Medical Insurance

Employee assistance programme

Life insurance & Pension Scheme

Flexible way of working

Job summary

ALTEN is seeking a Process Engineer to support design and delivery of critical systems on a major UK nuclear project. The role suits candidates with a Chemical Engineering background or experience in process design of mechanical plant within regulated sectors such as Nuclear, Energy, and Oil & Gas.

The successful candidate will develop process solutions, equipment specifications, and engineering documentation ensuring nuclear safety and quality standards are met.

Qualifications

• Experience delivering process engineering projects within highly regulated industries.
• Knowledge of process design principles and engineering documentation.
• Experience with PFDs, P&IDs, process calculations, equipment sizing, and system specifications.
• Experience in chemical/process plant design or mechanical process equipment for utility systems.
• Understanding of risk assessment and safety methodologies (HAZOP/ALARP).
• Strong communication and stakeholder management skills.

Responsibilities

• Develop and review process engineering deliverables including PFDs, P&IDs, calculations, datasheets, and technical specifications.
• Support the design and integration of utility, water treatment, chemical dosing, thermal management, and mechanical process systems.
• Specify and assess process equipment including pumps, tanks, filters, heat exchangers, valves, and packages.
• Participate in design reviews, HAZOPs, risk assessments, and multidisciplinary engineering meetings.
• Manage technical interfaces with mechanical, piping, civil, electrical, and control & instrumentation teams.
• Support procurement activities, vendor reviews, and commissioning preparation.
• Ensure engineering solutions comply with safety, quality, and regulatory requirements.

Skills

Process engineering

Nuclear sector experience

PFDs & P&IDs

HAZOP & ALARP

Engineering documentation

Stakeholder management

Education

Bachelor’s or Master’s degree in Engineering

Equivalent military experience

Tools

PFDs

P&IDs

Process calculations

Equipment sizing

System specifications

Job description

ALTEN is seeking a Process Engineer to support design and delivery of critical systems on a major UK nuclear project. The role suits candidates with a Chemical Engineering background or experience in process design of mechanical plant within regulated sectors such as Nuclear, Energy, and Oil & Gas.

The successful candidate will develop process solutions, equipment specifications, and engineering documentation ensuring nuclear safety and quality standards are met.