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Principal Radiotherapy Physicist – Advanced 8b
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Principal Radiotherapy Physicist - Advanced
Guy's and St Thomas' NHS Foundation Trust
The closing date is 12 July 2026
Job Summary
Brachytherapy at Guy's Cancer Centre is entering one of the most exciting periods in its history, and we're looking for someone who wants to help lead the journey.
As Deputy Head of Brachytherapy Physics, you'll play a key role in shaping how our service grows and develops over the coming years. You'll lead a supportive and motivated team, helping people build confidence and develop their skills, while making sure we continue to give patients safe, high-quality care.
Our service covers a wide range of treatments, including prostate and gynaecological cancers as well as more specialist work. With a major upgrade of our equipment on the horizon, this is a rare opportunity to influence how brachytherapy is delivered in the future.
This role is perfect for someone who enjoys leading people, improving services, and turning ideas into practical changes that benefit patients and staff alike.
Main duties of the job
In this role, you'll balance leadership, clinical work and service development. Day to day, you will:
- Support and lead a team of physicists, helping them grow and succeed in their roles
- Take responsibility for the safe and effective delivery of brachytherapy treatments
- Work closely with clinicians, radiographers and other colleagues to plan and review patient treatments
- Oversee and check complex treatment plans, stepping in to solve problems when needed
- Help maintain and improve the quality and safety of our equipment and processes
- Play a key role in upcoming equipment replacement and service development projects
- Contribute to teaching, training and mentoring of staff and trainees
- Support research, innovation and new ways of working
Alongside this, you'll step in for the Head of Brachytherapy Physics when needed and help ensure the service runs smoothly.
About Us
Guy's and St Thomas' is one of the largest NHS trusts in the country, with a strong reputation for high-quality care, research and innovation. We're proud to be part of King's Health Partners, working closely with King's College London and other organisations to improve patient care through research and education.
At Guy's Cancer Centre, you'll be part of a friendly, expert team with a strong sense of shared purpose. We value collaboration, respect and continuous improvement, and we actively support staff to develop their careers.
You'll work in a centre that combines clinical excellence with innovation, where new ideas are welcomed and staff are encouraged to shape the future of services.
Details
Date posted
22 June 2026
Pay scheme
Agenda for change
Band
Band 8b
Salary
£75,328 to £86,114 a year per annum inc. H.C.A
Contract
Permanent
Working pattern
Full-time
Reference number
196-LIS10568D
Job locations
Guy's Hospital
Guys Hospital
LONDON
SE1 9RT
United Kingdom
Job Description
Job responsibilities
This is a senior role where you'll combine hands-on clinical work with leadership and service development.
Leadership and management
- Support the Head of Brachytherapy Physics and act as their deputy when required
- Manage and prioritise work across the team to keep the service running smoothly
- Supervise and support colleagues, including performance, wellbeing and professional development
- Help recruit, train and mentor staff at different stages of their careers
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Clinical and technical work
- Lead on complex treatment planning and checking, making sure treatments are accurate and safe
- Provide expert advice to clinical teams on treatment approaches and options
- Support delivery of brachytherapy procedures, including being present during treatments when needed
- Investigate and resolve problems quickly and effectively, especially in time-critical situations
- Help ensure all equipment is working correctly and safely, including testing and quality checks
Service development and innovation
- Play a key role in upgrading brachytherapy equipment and shaping future services
- Help design and improve processes, making them safer and more efficient
- Work with clinical and academic partners to explore new techniques and expand what we offer
- Support the safe introduction of new technologies and ways of working
Teaching, training and research
- Train and support physicists, radiographers and other staff
- Contribute to teaching programmes and professional development activities
- Take part in research, audits and service improvement projects
- Share knowledge through presentations, teaching or publications
Quality and safety
- Make sure all work meets professional standards, regulations and local policies
- Support a culture of safety, openness and continuous improvement
- Take part in audits and quality assurance activities
Job Description
Job responsibilities
This is a senior role where you'll combine hands-on clinical work with leadership and service development.
Leadership and management
- Support the Head of Brachytherapy Physics and act as their deputy when required
- Manage and prioritise work across the team to keep the service running smoothly
- Supervise and support colleagues, including performance, wellbeing and professional development
- Help recruit, train and mentor staff at different stages of their careers
Clinical and technical work
- Lead on complex treatment planning and checking, making sure treatments are accurate and safe
- Provide expert advice to clinical teams on treatment approaches and options
- Support delivery of brachytherapy procedures, including being present during treatments when needed
- Investigate and resolve problems quickly and effectively, especially in time-critical situations
- Help ensure all equipment is working correctly and safely, including testing and quality checks
Service development and innovation
- Play a key role in upgrading brachytherapy equipment and shaping future services
- Help design and improve processes, making them safer and more efficient
- Work with clinical and academic partners to explore new techniques and expand what we offer
- Support the safe introduction of new technologies and ways of working
Teaching, training and research
- Train and support physicists, radiographers and other staff
- Contribute to teaching programmes and professional development activities
- Take part in research, audits and service improvement projects
- Share knowledge through presentations, teaching or publications
Quality and safety
- Make sure all work meets professional standards, regulations and local policies
- Support a culture of safety, openness and continuous improvement
- Take part in audits and quality assurance activities
Person Specification
Qualifications
Essential
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- Good (1st or 2nd class) honours degree in a relevant subject
- Relevant MSc or higher degree
- Qualified to act as a Medical Physics Expert (MPE) under IRMER in the field of radiotherapy
Professional Registration
Essential
- State registration as a Clinical Scientist
Desirable
- Full Member of the Institute of Physics and Engineering in Medicine (or equivalent)
Experience
Essential
- Highly developed specialist knowledge across the full range of working procedures and practices in radiotherapy physics, building on theoretical knowledge and practical experience.
- Specialist training on and practical experience with a wide range of radiotherapy equipment and clinical applications
- Advanced knowledge in a major area of radiotherapy physics such as external beam treatment planning, radiotherapy equipment, imaging, dosimetry or brachytherapy.
- Advanced responsible experience post registration working in radiotherapy physics
- Specialist training and practical experience on linear accelerators, treatment planning, imaging, dosimetry and brachytherapy systems.
Desirable
- Experience of involvement in original peer-reviewed radiotherapy research
- Supervision of small project teams
Person Specification
Qualifications
Essential
- Good (1st or 2nd class) honours degree in a relevant subject
- Relevant MSc or higher degree
- Qualified to act as a Medical Physics Expert (MPE) under IRMER in the field of radiotherapy
Professional Registration
Essential
- State registration as a Clinical Scientist
Desirable
- Full Member of the Institute of Physics and Engineering in Medicine (or equivalent)
Essential
- Highly developed specialist knowledge across the full range of working procedures and practices in radiotherapy physics, building on theoretical knowledge and practical experience.
- Specialist training on and practical experience with a wide range of radiotherapy equipment and clinical applications
- Advanced knowledge in a major area of radiotherapy physics such as external beam treatment planning, radiotherapy equipment, imaging, dosimetry or brachytherapy.
- Advanced responsible experience post registration working in radiotherapy physics
- Specialist training and practical experience on linear accelerators, treatment planning, imaging, dosimetry and brachytherapy systems.
Desirable
- Experience of involvement in original peer-reviewed radiotherapy research
- Supervision of small project teams
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 (Opens in a new tab).
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
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