Technical Principal Assurance

Location

Reading, London, Bristol, Brighton, Leeds, Cambridge; UK

About the Division

The Water Utilities Division is Mott MacDonald’s centre of excellence for UK and Ireland water and wastewater challenges.

Overview of the Role

Senior Technical Principal in our Technical Assurance workstream. Reports directly to the Workstream Lead and works with the Assurance Team and asset management community.

Responsibilities

• Technical assurance of statutory regulatory submissions such as annual performance reporting, business cases and plans, long‑term strategic plans, operational performance and deliverables.
• Water resource investment planning.
• Wastewater and bioresources investment planning.
• Strategic asset management and business planning.
• Carbon and net‑zero appraisal and strategic planning.
• Integrated systems management.
• Data analytics and decision support tools.
• Contract appraisal (NEC, PPP).

Candidate specification

• Academic and professional qualifications with relevant skills and experience to maintain a competitive edge.
• Background in engineering, accounting/economics, asset management, auditing and technical assurance of statutory regulatory submissions.
• Experience with asset management ISO standards, technical audits, assessment of regulatory requirements and impacts on service outputs, service metrics, performance commitments and associated base and enhancement schemes.
• Experience of collaborative research for UK water companies and regulators and use of research outputs in assurance activities (advantage).
• Proven experience of delivering technical assurance work within regulatory submission timescales.
• Membership of a professional body and/or water regulatory networks as an expert and expert witness.
• Capable of presenting assurance findings clearly through formal presentations and reports.
• Adaptable to changing situations and environments, responding quickly to emerging opportunities and risks.
• Ability to provide support and mentoring to graduate assurance group members, promoting “can‑do” behaviours.
• Willingness to undertake assignments throughout the UK and short international visits.

UK Immigration

Mott MacDonald does not currently offer sponsorship under the Skilled Worker visa route.

Equality, diversity, and inclusion

We promote fair employment procedures and practices ensuring equal opportunities for all.

Accessibility

Support for disabled applicants is available upon request.

Financial wellbeing

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4× your basic salary, with an option to increase the level of cover to 6× your salary.
• Our income protection scheme provides 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 will writing.
• As an independently owned business we share the financial success of the business with all our colleagues through annual bonus schemes.

Employee Ownership

• Our employee ownership model means no external investors, just us, creating a culture of shared success.
• Employees have a stake and a voice in our business, giving them a direct connection to our success through personal and group performance bonuses.
• As careers grow, so does stake, recognising long‑term impact and contribution.
• Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to shape our future.
• For senior roles a direct pathway towards ownership begins from day one.

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.
• Wellbeing support available through a comprehensive wellbeing program, including family access.
• Ability to flex salary to opt into a wide range of health benefits, extendable to family.

Lifestyle

• A minimum of 33‑35 days holiday per year, inclusive of public holidays, with the ability to buy or sell leave.
• Holiday entitlement increases to a minimum of 35 days after 5 years’ service.
• Employee saving schemes and discounts from high‑street retailers.

Enhanced family and carers leave

• 26 weeks paid maternity and adoption leave, two weeks paid paternity/partner leave.
• Shared parental leave matches maternity leave – up to 24 weeks at full pay.
• Up to five additional days leave for significant caring responsibilities, two of which are paid.

Learning and development

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

Networks, communities, and social outcomes

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