Metrology is the science of measurement and its application; it includes all theoretical and practical aspects of measurement.

This occupation is found in different industries such as advanced manufacturing, aerospace, automotive, construction, energy, environment, pharmaceuticals, healthcare and within all sizes of organisation. Measurement activities can range from measuring galaxies to graphene, molecules, chemical pollutants, hip joints, aircraft and industrial emissions.

The broad purpose of the occupation is to identify measurement requirements, and then to plan and perform measurement tasks using tools, equipment, instrumentation, materials and software programs. Metrology Technicians access and interpret information and documents to support the measurement process and apply measurement principles whilst carrying out measurement activities. They perform tests and checks on measurements tools, equipment, instrumentation, materials, processes or software programmes to determine their suitability for use. They analyse, interpret and validate measurement results and data. They will also produce and store measurement records and documentation following specified procedures and methodologies.

In their daily work, an employee in this occupation may interact with and report to a senior metrology technician, a metrologist or a quality manager. They may also liaise with internal and external stakeholders, for example customers, team colleagues, colleagues from different functions and departments within the organisation and suppliers.

An employee in this occupation will be responsible for adhering to relevant statutory regulations, national and international standards and organisational procedures and requirements, including policies and procedures relating to the preparation, storage, handling and disposal of resources.

Employees also need to adhere to legislation, regulations, standards and organisational requirements relating to health and safety. They will carry out work with minimal supervision, take responsibility for the quality and accuracy of the work they undertake, and will have a high level of attention to detail. They will manage their own time to meet deadlines and customer requirements.