Principal Structural Engineer

Company: Mott MacDonald
Apply for the Principal Structural Engineer
Location: Southampton
Job Description:

Overview

The Energy Unit, specifically the Nuclear, Defence and Civil division are recruiting a Principal Civil / Structural Engineer to be part of the Civil / Structural team delivering projects within the nuclear industry. The role involves support of design activities, developing client relationships, assisting with management and mentoring of junior team members, increasing opportunities across the Defence Nuclear sector and leveraging this capability into the Civil Nuclear sector.

Sponsorship Policy

Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

Responsibilities

  • Conduct analysis with appropriate verification and validation.
  • Review analysis of other team members.
  • Develop the skills of junior team members.
  • Produce and review design calculations supporting analysis.
  • Produce high-quality documentation tailored to the specific stage of project completion.
  • Lead analysis teams on projects.
  • Lead the preparation of bids and estimates.
  • Work within a multidisciplinary environment ensuring effective communication with project stakeholders.
  • Attend site or other offices to complete surveys or attend meetings.

Qualifications

  • Chartership with either the Institution of Civil Engineers or Structural Engineers and extensive postgraduate experience.
  • Detailed understanding of Finite Element Analysis and related software.
  • Experience leading and managing projects from concept to completion.
  • Experience in the design of concrete and steel structures.
  • Strong knowledge of British Standards and Eurocodes.
  • Excellent communication skills, both written and verbal, with experience in client-facing roles.

Desired Requirements

  • Experience delivering projects in a highly regulated industry.
  • Understanding of the contribution of analysis to nuclear safety cases.
  • Experience using LS-DYNA.
  • Experience using SAP2000 or ANSYS.
  • Experience in soil-structure interaction (SSI).
  • Experience in dynamic loading design.
  • Experience working in the nuclear sector.
  • Knowledge of American design standards.

Benefits: Health and Wellbeing

  • Private medical insurance for all UK colleagues.
  • Health cash plan to support everyday health costs and treatments.
  • Access to Peppy, providing free support from menopause experts for all UK colleagues.
  • A variety of wellbeing support is available through a comprehensive wellbeing programme, including access for you and your family.
  • Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.

Benefits: Financial Wellbeing

  • Matching employee pension contributions between 4.5% and 7%.
  • Life assurance equal to up to 4x your basic salary, with an option to increase the level of cover to 6x your salary.
  • An income protection scheme providing a financial benefit, as well as absence and return-to-work support due to long-term illness or injury.
  • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and wills writing.
  • Annual bonus schemes as part of sharing the financial success of the business.

Benefits: Holiday and Leave

  • A minimum of 33-35 days holiday each year, inclusive of public holidays, with the ability to buy or sell leave through the flexible benefits programme.
  • Holiday entitlement increased to a minimum of 35 days after five years of service.
  • Variety of employee saving schemes and discounts from high-street retailers.

Benefits: Family and Carers

  • Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
  • Shared parental leave matches maternity leave, meaning we pay up to 24 weeks at full pay.
  • Up to five additional days leave for those with significant caring responsibilities, two of which are paid.

Benefits: Learning and Development

  • Primary annual professional institution subscription.
  • Opportunities to enhance technical and soft skills through mentoring, formal training, and self-development options.

Benefits: Networks, Communities, and Social Outcomes

  • Groups including Advanced Employee Networks supporting LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
  • Opportunities to make a difference within communities through social outcomes.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will discuss how we can support you.

Flexible Working

We are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace.

Equality, Diversity, and Inclusion

We put equality, diversity, and inclusion at the heart of our business. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

#J-18808-Ljbffr…

Posted: May 31st, 2026