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Integrated Management System Auditor

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Hybrid

Integrated Management System Auditor

Mace Group

Integrated Management System Auditor

Skills

Compliance

2 days ago

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Important information


Contract type:

Permanent

Location:

London, UK

Work mode:

Hybrid

Published on:

22 October 2026

What they need


Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey.

**The project:**Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting and largest megaprojects in the UK, whilst being at the forefront of the UK’s climate change agenda and energy policy. Sizewell C (SZC) will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes, playing a key role in our energy future, supplying reliable, clean electricity for at least 60 years.

The IMS auditor provides independent, objective and evidence-based assurance on the adequacy, implementation and effectiveness of the Sizewell C integrated management system and associated governance, compliance and assurance arrangements. The role plans and delivers risk-based IMS audits, targeted and functional IMS audit activities, produces clear and well-written reports, verifies action close-out, and supports continual improvement across a fast-paced, highly regulated project environment.

You’ll be responsible for:

  • Developing, maintaining and delivering a risk-based IMS audit and functional annual audit programme aligned to project priorities, certification requirements and regulatory expectations.
  • Planning and conducting IMS audits, targeted interventions using interviews, document review, sampling, observation and testing of objective evidence.
  • Assessing whether IMS arrangements are not only documented, but are understood, implemented, controlled and effective in practice across the client organisation and key interfaces.
  • Producing concise, factual and well-structured reports that clearly set out scope, evidence, findings, conclusions, risks, good practice and improvement opportunities.
  • Embedding and strengthening root cause analysis (RCA) initiatives by ensuring all actions from audits and oversight activities are tracked through to closure, with corrective actions verified as timely, proportionate, and demonstrably effective
  • Identifying recurring weaknesses, emerging themes and systemic issues, and provide meaningful management information and trend analysis to support decision-making and organisational learning.
  • Building strong and credible working relationships across all levels of the organisation while maintaining auditor independence and the confidence to challenge difficult auditees constructively.
  • Supporting external audits, certification activity, and assurance reviews as required, and contribute to continual improvement of the integrated management system including supporting development of annual audit programme.

You’ll need to have:

  • Strong IMS audit, assurance or oversight capability within a regulated environment.
  • Excellent written communication skills, with the ability to translate complex evidence into clear, balanced and defensible reports.
  • Strong interviewing, questioning and listening skills, with the confidence to probe below the surface and test assumptions.
  • Ability to analyse trends, assess significance and make evidence-based judgements.
  • Good understanding of integrated management systems and standards including ISO 9001, ISO 14001, ISO 45001 and ISO 19443.
  • Good working knowledge of ISO 19011 principles and modern audit practice.
  • Credible stakeholder engagement skills, able to influence constructively without losing independence.
  • Strong organisation, prioritisation and follow-through in a fast-paced changing environment.
  • Degree qualified in engineering, science, quality, business management or another relevant discipline, or equivalent practical experience.
  • Recognised Lead Auditor qualification in ISO 9001 or another relevant management system discipline.
  • Experience of planning and delivering risk-based audits or assurance reviews.
  • Experience of working within the UK regulatory environment or an equivalent highly regulated setting.

Our values

Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team.

Client focus - Deliver on our promise: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients.

Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations.

Create opportunity - For our people to excel: Wechampion a continuous improvement culture throughout all activities, inspiring our people and teams to develop.

Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation.

We are also open to discussing part time, flexible, and hybrid working options if suitable within the role.

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