Senior Design Engineer – Nuclear Processes


Job description

Remote/Plymouth – weekly initially around 3 days

Main Purpose of Role

The main purpose of the role is to provide technical engineering support and advice, and lead design activities relating to process engineering supporting facilities. This includes the maintenance and control of modifications to the design intent of nuclear process plant and equipment across Site.

The Nuclear Process Group remit includes the Technical Authority for:

  • active waste collection, receipt, storage, transportation and treatment systems
  • refuel process system support equipment/facilities
  • nuclear process systems supporting submarine maintenance/refit periods

Outline responsibilities of the Senior Design Engineer role include:

  • Management and development of a small team of Design Engineers
  • Development and delivery of designs in accordance with the design process (Start-up, Concept, Scheme, Detailed and Implementation phases)
  • Managing the production, checking and approval of technical documentation and drawings
  • Leading engineering analyses including calculations, component structural analysis and system fluid flow simulation/analysis
  • Ensuring compliance with nuclear site licence conditions, statutory legislation and design codes/standards
  • Providing through-life technical support for nuclear process assets
  • Estimating, prioritising and producing work schedules/project programmes

Required Knowledge, Skills, Experience and Competences


  • Understanding of mechanical engineering principles for the design, operation and maintenance of pressure/pipework systems
  • Knowledge of the design lifecycle
  • Knowledge of the general regulations, legislation and standards that are applicable to nuclear process and pressure system design
  • Knowledge of project specification, planning and budgeting

And, technical experience with one or more of the following:

  • Pressure systems
  • Computer aided design
  • Component engineering simulation
  • System fluid flow analysis
  • Nuclear plant design

With the following personal competencies:

  • Good organisational and time management skills
  • Good communication skills, both oral and written, including report writing
  • Questioning attitude
  • Attention to detail
  • Logical approach to problem solving and provision of advice
  • Flexible approach to allow for reactive nature of work
  • An ability to work with others and independently
  • Professional attitude and approach to work


The successful candidate will have a minimum of an HND/FdSc/FdEng or equivalent in a mechanical/process engineering discipline and be professionally registered with an engineering institution

Our role in supporting diversity and inclusion
As an international workforce business, we are committed to sourcing personnel that reflects the diversity and values of our client base but also that of Orion Group. We welcome the wide range of experiences and viewpoints that potential workers bring to our business and our clients, including those based on nationality, gender, culture, educational and professional backgrounds, race, ethnicity, sexual orientation, gender identity and expression, disability, and age differences, job classification and religion. In our inclusive workplace, regardless of your employment status as staff or contract, everyone is assured the right of equitable, fair and respectful treatment.

To apply for this job please visit