Freelance ISO Lead Auditor / Consultant
USA Hybrid (with occasional on-site client visits)
Contract / Self-Employed Basis
About IMSM
IMSM (International Management Systems Marketing) is a global force in ISO consultancy - helping organisations not just achieve certification, but transform the way they operate. We partner with businesses across every sector, elevating performance, boosting compliance and unlocking measurable competitive advantage.
Now part of the Axiom GRC division within the WorkNest group and backed by Inflexion, we bring the reach and resources of a worldwide organisation. With teams spanning the UK, Europe, North America, APAC, Africa and Canada - and a growing network of 85 employees and more than 350 expert contractors enables us to deliver high-quality, results-driven ISO consultancy to clients worldwide.
The Opportunity
We are looking for an experienced ISO 17025 Lead Auditor to join our professional network on a self-employed basis.
This flexible role is ideal for contractors who want:
A steady pipeline of client work
Remote delivery with occasional on-site visits
Assignments matched to their sector expertise
The backing of a respected global ISO consultancy
What You Will Do
Deliver consultancy and audit assignments in line with agreed contractual terms, specifically for ISO 17025 laboratory management systems.
Prepare and deliver presentations and assessment reports that clearly communicate findings and decisions to clients
Provide clear, actionable recommendations for addressing any identified non-conformities or areas for improvement
Ensure accurate and timely updates to client records and internal systems, supporting data integrity and compliance
Maintain and continually develop your technical knowledge and expertise in management systems and relevant standards
Stay up to date with developments in ISO 17025 and laboratory best practices
What You Will Bring
IRCA Lead Auditor (or equivalent) certification is a must
Strong experience with ISO 17025
Proven background in implementing and/or auditing management system
Strong communication and stakeholder engagement skills
Strong organisational skills with the ability to multitask and prioritise effectively
Adaptability and flexibility to respond to varying client needs
Why Partner with IMSM?
Consistent flow of consultancy and audit assignments
Opportunity to work across multiple sector and standards
Structured support, resources and tools to help you deliver exceptional client outcomes
A collaborative, inclusive culture built on professionalism, respect and continuous improvement
Join Our Global Contractor Community
As part of the WorkNest group and the wider Axiom GRC division, you will contribute to a powerful network of more than 800 experts shaping the future of Governance, Risk and Compliance services.
If you are a dedicated ISO professional looking for flexible, rewarding work with a market leading consultancy, we would love to hear from you.
Skills Required
- IRCA Lead Auditor (or equivalent) certification
- Strong experience with ISO 17025
- Proven background in implementing and/or auditing management systems
- Strong communication and stakeholder engagement skills
- Strong organisational skills with ability to multitask and prioritise effectively
- Adaptability and flexibility to respond to varying client needs
- Ability to prepare and deliver presentations and assessment reports
- Available to work as self-employed/contractor and undertake occasional on-site client visits in the USA
What We Do
IMSM (International Management Systems Marketing) is a global leader in ISO consultancy, providing high-quality ISO standards and services to organizations of all sizes across all sectors. They specialize in the implementation, integration, and audit preparation for over 15 ISO standards, including quality, environmental, information security, and health and safety management systems. Acquired by Inflexion in 2024, IMSM operates globally to help businesses optimize performance and achieve sustainable growth through effective management systems.






