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UKAS

Independent Technical Assessor – Hardness Calibration

Remote

United kingdom

Freelance

05-12-2025

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Communication

Job Specifications

Independent Technical Assessor – Hardness Calibration

About UKA

SThe United Kingdom Accreditation Service (UKAS) is the national accreditation body for the UK. We assess organisations that provide testing, calibration, inspection, and certification services, ensuring they meet internationally recognised standards. Our work supports confidence in conformity assessment across sectors and helps maintain the highest levels of technical competence and impartiality

.
The Ro

leWe are seeking experienced professionals to join our pool of Technical Assessors (TAs) specialising in Hardness Calibration. As a TA, you will support UKAS in assessing organisations against relevant standards, ensuring technical competence and impartiality in their operations. This is a flexible, freelance-style role that allows you to contribute your expertise while maintaining your current employmen

t.
Key responsibilities inclu

de:Planning and conducting assessments of conformity assessment bodies working in mechanical calibration, specifically hardness calibrati
on.Reviewing technical documentation and procedures for calibration of hardness testing machines, hardness calibration machines, reference blocks, and indente
rs.Evaluating compliance with standards such as ISO 6506, ISO 6507, ISO 6508, ISO 4545, ISO 48-9, and ISO/IEC 170
25.Providing expert input to support accreditation decisions and reporting findings accurate

ly.
What We’re Looking

ForWe welcome applications from individuals w

ith:Practical experience in calibrating hardness indenters, reference blocks, testing and calibration hardness machines, or indentation measuring devi
ces.Knowledge and application of hardness testing machines and calibration equipment, including associated instruments (e.g., force proving devices, indentation measuring systems, depth measuring systems, stage micrometers and laser interferomete
rs).Awareness of standards and specifications relevant to hardness calibration, including ISO 6506, ISO 6507, ISO 6508, ISO 4545, ISO 48-9, and ISO/IEC 17025 which sets out the general requirements for the competence of testing and calibration laborator
ies.Understanding of uncertainty of measurement contributions affecting results of calibrati
ons.Qualifications such as a Degree, City & Guilds, HNC, ONC, or BTech in a physical science or engineering/metrology-based discipline are considered appropriate, though not mandat
ory.Professional membership is not required, but a commitment to maintaining high standards is essent

ial.
Personal attributes valued by UKAS inc

lude:Strong communication and interpersonal sk
ills.Ability to work independently and manage multiple proj
ects.A diplomatic and open-minded approach to assess
ment.Commitment to upholding the highest standards of quality and impartia

lity.
Contract D

etailsThis is a freelance, subcontractor role, designed to fit around your existing professional commit
ments.You may undertake assessments alongside your full-time emplo
yment.Day rates are competitive and paid per assessment, including preparation and reporting

time.
Conflict of I

nterestAll applicants will be required to complete a conflict of interest declaration as part of the selection process. This ensures impartiality and maintains the integrity of UKAS asses

ments.To find out more about the opportunity follow th

e link:https://www.ukas.com/about-us/careers/independent-technical-ass

essors/
Candidate privacy noti

ce link:https://www.ukas.com/wp-content/uploads/2021/01/UKAS-Candidate-Privacy-No

tice.pdf

About the Company

UKAS is the world’s leading #accreditation body delivering confidence in products and services, and supporting global value chains. Accreditation is an intrinsic part of the UK’s national #quality infrastructure which underpins all sectors of the economy, from food safety to forensics, construction to communications, energy to engineering. Independent research has confirmed that accreditation contributes £1bn to the UK economy every year. Accreditation provides its direct clients with services that deliver real business va... Know more