Principal Process Engineer

Millbank Holdings; Warrington; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Disability Confident Scheme

Inclusive and diverse workforce

Job summary

Millbank Holdings Ltd is seeking a Principal Process Engineer to join a leading engineering organisation delivering critical nuclear sector projects. This permanent role offers challenging design activity and a path to engineering excellence within a collaborative team.

Ideal candidates have a Chemical Engineering degree (BEng/MEng), Chartered IChemE status, and 10+ years in regulated environments. You will mentor engineers and support continuous improvement across safety, quality, and delivery.

Qualifications

• Degree qualified in Chemical Engineering, ideally at BEng (Hons) or MEng (Hons).
• Significant process engineering experience in nuclear or highly regulated industries (often 10+ years).
• Chartered Engineer status through IChemE or equivalent.
• Strong track record producing and developing process engineering documentation in multi-disciplinary teams.
• Experience coordinating process engineering activities, with decommissioning, Sellafield, or AWE projects advantageous.

Responsibilities

• Produce high-quality process engineering deliverables, including technical reports, calculations, specifications, and engineering documentation.
• Ensure outputs meet safety, quality, schedule, and budget requirements.
• Mentor engineers within the team and share best practice.
• Contribute to continuous improvement of processes, tools, and project delivery.
• Maintain compliance with relevant legislation, regulations, and quality standards.

Skills

Nuclear sector experience

Mentoring engineers

Regulatory/compliance mindset

Education

Chemical Engineering degree (BEng/MEng)

Job description

The Opportunity

An exciting opportunity has arisen for an experienced Principal Process Engineer to join a leading engineering organisation delivering critical projects across the nuclear sector. This permanent position offers the chance to work on technically challenging programmes, contribute to major design activities, and support the development of engineering excellence within a collaborative team environment.

We would also welcome applications from these industries

• Defence
• energy
• petrochemical
• pharmaceutical manufacturing
• oil & gas

This role would suit candidates working in these roles

• Principal Process Engineer
• Senior Process Engineer
• Lead Process Engineer
• Chemical Engineer
• Process Design Engineer
• Nuclear Process Engineer
• Senior Chemical Engineer
• Process Engineering Lead
• Engineering Consultant
• Process Safety Engineer

Your duties and responsibilities will be

• Produce high-quality process engineering deliverables, including technical reports, calculations, specifications, and engineering documentation.
• Ensure engineering outputs are delivered in line with project requirements for safety, quality, schedule, and budget performance.
• Support and mentor engineers within the team, helping to develop technical capability and share best practice.
• Contribute to continuous improvement initiatives that enhance engineering processes, tools, and project delivery.
• Maintain compliance with relevant legislation, industry regulations, company procedures, and quality standards.

Qualifications and experience

• Degree qualified in Chemical Engineering, ideally at BEng (Hons) or MEng (Hons) level.
• Significant process engineering experience gained within the nuclear sector or another highly regulated industry, typically 10 years or more.
• Chartered Engineer status through IChemE, or able to demonstrate equivalent professional experience and competence.
• Strong track record of producing and developing process engineering documentation while working effectively within multidisciplinary teams.
• Experience supporting process engineering coordination activities, with previous involvement in decommissioning, Sellafield, or AWE projects being particularly advantageous.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.

We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.

Millbank operates as both an Employment Agency and an Employment Business.