Radiation Safety Physicist

Radiation Safety Physicist
The closing date is 17 August 2026

Job summary
Medical Physics provides scientific and technical support to a wide range of clinical and laboratory services in the Trust and to many external clients. With a large staff of scientific and technical personnel, and good facilities, the Department provides advice and support in applying physical science and engineering to a wide range of techniques and facilities in health care.

Main duties of the job
You will be working in the Radiation Safety Section of the Medical Physics Department and primarily based at the St Thomas Hospital site, although completing work assignments at any of the Trust locations and for a range of external contracts. The Radiation Safety team comprises of experienced scientists and technicians whose aim is to ensure the quality, safety and effectiveness of the use of radiation on patients in healthcare. A wide range of advice and support is offered for work including: X-rays, radioisotopes, lasers and microwaves. The primary focus of this role will include laser safety and working in the calibration lab, although opportunities to work in other areas will be available.

About us
Guy's and St Thomas' NHS Foundation Trust comprises five of the UK's best-known hospitals - Guy's, St Thomas', Evelina London Children's Hospital, Royal Brompton and Harefield - as well as community services in Lambeth and Southwark, all with a long history of high-quality care, clinical excellence, research and innovation.

We are among the UK's busiest, most successful foundation trusts. We provide specialist care for patients including heart and lung, cancer and renal services as well as a full range of local hospital and community services for people in Lambeth and Southwark.

We have a long tradition of clinical and scientific achievement and - as part of King's Health Partners - we are one of England's eight academic health sciences centres, bringing together world-class clinical services, teaching and research.

As an organisation we are committed to developing our services in ways that best suit the needs of our patients. This means that some staff groups will increasingly be asked to work a more flexible shift pattern so that we can offer services in the evenings or at weekends.

We also have a positive approach to corporate social responsibility and are keen to engage our staff in an agenda that ranges from promoting environmental sustainability to the creation of local employment opportunities.

Details
Date posted: 03 August 2026
Pay scheme: Agenda for change
Band: Band 7
Salary: £58,133 to £65,261 a year pa incl. HCA
Contract: Permanent
Working pattern: Full-time
Reference number: 196-LIS10677M
Job locations: Guy's Hospital, Tabard House, Talbot Yard, London, SE1 9RT, United Kingdom

Job responsibilities
The post holder will be primarily working at the St Thomas site, supporting the Radiation Calibration lab and the Laser Protection Service working under the Trust Laser Protection Adviser (LPA). This will involve working within a secondary standard calibration lab and developing a deep understanding of radiation metrology. Performing work to support the Laser Protection Service, including, laser audits, training, facility design, and producing and updating laser safety documents. Additionally, the post holder will be expected to work towards LPA accreditation under RPA2000.

The post holder will also be required work alongside the X-ray Team, carrying out X-ray status testing on a full range of X-ray imaging systems including CT scanners and mammography X-ray systems. Supporting the quality assurance and optimisation of diagnostic radiology systems.

The post holder will be required to support work performed by the Radioactive Substances Team (RAS), and perform such work as radiation lab audits, transport audits, and waste consignment.

The post holder will assist the MPEs in preparing dose reports for ethics submissions. The postholder will assist the MPEs and RPA's in their work and be encouraged to work towards these accreditations.

Participation in research and development work will be expected, including presenting at meetings and publication in peer reviewed journals, and giving formal lectures. The post holder will also have an important role in being involved in new installation projects, and the ongoing radiology QA work of the group. The radiation safety team also provide scientific support to nuclear medicine and radiotherapy. There may be the opportunity for some work in these areas although the primary focus of this role will be radiation safety and laser protection.

Guys and St Thomas celebrates, respects and values the diversity of its staff and patients. We review our policies, procedures and practices to ensure that all employees, patients and carers are treated equitable according to their needs. We are actively committed to ensuring that no one who applies for a job, works or studys at the Trust, or accesses our services is discriminated against on the grounds of race, ethnicity, nationality, disability, religion or belief, age, gender identity, gender reassignment, sexual orientation, pregnancy and maternity/paternity, or marital/civil partnership. Applications are welcomed from applicants with a disability. We can make reasonable adjustments and offer support and advice in a variety of ways throughout the application process. Equality of opportunity is our policy.

Person Specification
Qualifications
Essential

• Good (1st or 2nd class) Honours degree in relevant subject
• Relevant MSc or higher degree
• Current state registration as a Clinical Scientist in the UK or clear (short) pathway to this

Knowledge and experience
Essential

• Basic knowledge across a range of medical X-ray imaging system status testing
• Working knowledge of relevant legislation, national standards, professional and other guidelines e.g. IRR2017, IRMER2017, MHRA laser guidance, ISO9001, Medical and Dental Guidance Notes
• Able to train groups of other professional staff
• Able to deliver teaching and training on complex subjects
• Experience of performing laser audits
• Experience of performing radioactive substances lab audits
• Basic knowledge of medical Lasers
• Basic knowledge or radiation monitors

Desirable

• Experience working in a calibration lab
• Experience working with medical lasers

Disclosure and Barring Service Check
This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will be necessary for a submission for Disclosure to be made to the Disclosure and Barring Service (formerly known as CRB) to check for any previous criminal convictions.

Certificate of Sponsorship
Applications from job seekers who require current Skilled worker sponsorship to work in the UK are welcome and will be considered alongside all other applications. For further information visit the UK Visas and Immigration website. From 6 April 2017, skilled worker applicants, applying for entry clearance into the UK, have had to present a criminal record certificate from each country they have resided continuously or cumulatively for 12 months or more in the past 10 years. Adult dependants (over 18 years old) are also subject to this requirement. Guidance can be found here Criminal records checks for overseas applicants.

UK Registration
Applicants must have current UK professional registration. For further information please see NHS Careers website.

Employer details
Employer name: Guy's and St Thomas' NHS Foundation Trust
Address: Guy's Hospital, Tabard House, Talbot Yard, London, SE1 9RT, United Kingdom
Employer's website: Apply through our website

Employer contact details
Consultant Physicist: Ian Honey
Email: i.honey@nhs.net
Telephone: 02071883792