Principal Process Engineer

NNL Holdings Limited; Preston; On-site; GBP 69,000 - 75,000; Full time

Job summary

NNL Holdings Limited is seeking a Principal Process Engineer to lead multi-discipline projects. This role involves driving engineering design from concept to delivery, ensuring compliance with regulatory standards, and mentoring junior engineers while enabling a culture of collaboration and innovation.

Qualifications

• Experience leading design projects in regulated industries.
• Knowledge of relevant legislation and regulations.
• Ability to obtain SC security clearance.

Responsibilities

• Leading a team of engineers to develop engineering designs.
• Reviewing and approving calculations and drawings.
• Collaborating with project managers for delivery.

Skills

Leadership

Problem-solving

Communication

Education

Degree in Chemical Engineering or related field

Chartered Engineer

Job description

UKNNL has a vision for Equality, Diversity and Inclusivity (ED&I) which aims to be an inclusive workplace that attracts diverse talent through transparent and equal policies and procedures. We want you and the diverse mix of people that we employ, customers that we service and stakeholders that we influence to feel valued. We encourage a workplace culture where everyone can thrive with a sense of belonging.

The salary range for this position is £69,046 to £74,885 (Grade 3B).

If you have any queries regarding the position itself please contact Will Spalton.

Please be aware that all new appointments will be made in-line with the PLC ‘New’ terms & conditions. Therefore, if you are not already on PLC ‘New’ terms & conditions and you are selected and accept this role, there will be changes made to your contractual terms. The terms and conditions of the role will be made clear in the offer letter.

If you have any queries about the impact of applying for this role on your terms & conditions, pay, pension or benefits, please contact the HR Support Team.

Job Description for Principal Process Engineer:

UKNNL is where your solutions solve real-world problems. As part of our Engineering team, you’ll not only be able to get involved with a variety of projects, but also have opportunities to drive them from start to finish — seeing the impact of your work in a real-world environment. This role offers a chance to leverage your experience, expertise, and ingenuity to collaborate with leading scientists. You’ll be part of a team that delivers work benefiting society by advancing cleaner energy, protecting the environment, and ensuring safety.

As part of our multi-discipline Engineering team, you’ll work across multiple sites and projects, with opportunities to lead projects from initial specification through to operational delivery. You’ll be a self-motivated team player eager to develop your career within an integrated team environment.

The role requires/travel may be involved between UKNNL sites and customer locations, as needed.

The location for this role is flexible, based at Preston or Risley.

Main Responsibilities for Principal Process Engineer:

• Leading a team of multi-discipline engineers to develop detailed engineering designs for process plants.
• Reviewing and approving calculations, drawings, reports, and design memos.
• Collaborating with Project Managers on estimates, schedules, and ensuring project delivery to time, cost, quality, and safety standards.
• Working with procurement to define requirements and coordinate with suppliers for successful project outcomes.
• Acting as the client representative on subcontracted design work.
• Leading plant commissioning activities, including developing and executing commissioning plans.
• Ensuring designs comply with regulations like DSEAR, PSSR, and Functional Safety.
• Supporting troubleshooting and problem-solving in active plant areas.
• Interfacing with safety teams to deliver HAZOP and related safety reports.
• Mentoring junior engineers and overseeing their design work.
• Collaborating with discipline leads to identify and implement business improvements.
• Participating in employee development initiatives for technical and behavioral growth.

Essential Criteria:

• Chartered Engineer.
• Degree in Chemical Engineering or related field with extensive mechanical engineering experience.
• Experience leading design projects in regulated industries.
• Knowledge of relevant legislation, regulations, and quality/environmental standards.
• Experience in equipment procurement and support.
• Proven leadership in design reviews and HAZOPs.
• Ability to produce substantiation reports.
• Excellent communication skills for conveying complex concepts clearly.
• Experience commissioning hazardous processes.
• Strong problem-solving skills.
• Ability to obtain SC security clearance, including background checks and UK residency requirements.

Desirable Criteria:

• Experience in the nuclear sector.
• Leadership qualities and high energy levels.
• Organizational and planning skills.
• Experience in hazardous area classification, pressure relief systems, and functional safety.