Job Description

Principal Physicist
London, The Harley Street Clinic
Full time, 37.5 hours per week
Shifts: Monday-Friday between 08:00-20:00 Permanent
Salary: Competitive dependent upon experience
We are looking to recruit a Principal Physicist to join our team at The Harley Street Clinic, currently rated Excellent by the CQC.
This is a fantastic opportunity to join HCA Healthcare growing Cancer Centre of Excellence, as a Principal Physicist. Across our London sites, we provide scientific and technical support to a Radiotherapy service comprising four Truebeam linacs, a Gamma Knife, LDR prostate brachytherapy, and Molecular Radiotherapy.
There has been significant development and investment in the service, with a growing linac-based SABR service and the installation of an Elekta Unity MR-Linac due to go live early 2026.
Main duties of the job
The Principal Physicists responsible for the day-to-day management of their area of work and contributes at a high level to departmental and service line Legislative Compliance and Service Development.
This role is an excellent opportunity to develop, commission, and implement new techniques in collaboration with colleagues across our central London network, and to get involved in all aspects of the clinical radiotherapy service.
About us
Why HCA UK?
Originally founded over 50 years ago by Dr Thomas Frist, HCA has gone on to become one of the worlds leading healthcare providers. In the UK, were one of the largest providers of privately funded healthcare and have invested over 500 million in the latest treatments, technology, techniques, medication and facilities. Being part of a large multisite, established healthcare group we can offer you unrivalled opportunities for career progression through internal and external courses, as well as working conditions that prioritise both your mental and physical wellbeing.We believe that by caring for our employees, we empower them to provide exceptional care for our patients. Thats why we offer a host of flexible benefits that reflect the invaluable contribution they make every day. As a Principal Physicist youll be eligible for:

• 25 days holiday each year (plus bank holidays) increasing with service, with option to buy or sell leave to suit you
• Private Healthcare Insurance for treatment at our leading hospitals
• Private pension contribution which increases with length of service
• Season Ticket Loan and Cycle to Work scheme
• Group Life Assurance from day one
• Critical illness cover
• Enhanced Maternity and Paternity pay
• Corporate staff discount for all facilities including Maternity packages at The Portland
• Comprehensive range of flexible health, protection and lifestyle benefits to suit you
• Discounts with over 800 major retailers

Details
Date posted
24 December 2025
Pay scheme
Other
Salary
Depending on experience
Contract
Permanent
Working pattern
Full-time
Reference number
E0115-0049744
Job locations
The Harley Street Clinic
35 Weymouth Street
London
W1G 8BJ
Job description
Job responsibilities
Act as a Medical Physics Expert (MPE)
Provide scientific support for clinical oncologists, radiographers, dosimetrists and the rest of the medical physics team.
Be responsible for the development and commissioning of new equipment and techniques.
Propose, lead and participate in research and development projects.
Write comprehensive reports for new procedures, equipment and techniques, including commissioning reports and work instructions
Define and participate in the routine tasks within the department including QA, duty cover etc.
Advise the Head of Radiotherapy Physics, Medical Physics Leads, and wider business
Take ownership of all ongoing physics matters in their area of work.
Be responsible for delegated radiation protection matters, ensuring compliance with legislation, organising RPA and EA audits and ensuring compliance with IRR, EPR and IR(ME)R regulations. Job description
Job responsibilities
Act as a Medical Physics Expert (MPE)
Provide scientific support for clinical oncologists, radiographers, dosimetrists and the rest of the medical physics team.
Be responsible for the development and commissioning of new equipment and techniques.
Propose, lead and participate in research and development projects.
Write comprehensive reports for new procedures, equipment and techniques, including commissioning reports and work instructions
Define and participate in the routine tasks within the department including QA, duty cover etc.
Advise the Head of Radiotherapy Physics, Medical Physics Leads, and wider business
Take ownership of all ongoing physics matters in their area of work.
Be responsible for delegated radiation protection matters, ensuring compliance with legislation, organising RPA and EA audits and ensuring compliance with IRR, EPR and IR(ME)R regulations.
Person Specification
Qualifications
Essential

• HCPC registration as a clinical scientist in the field of radiotherapy physics

Experience
Essential

• Able to submit an MPE portfolio within 6-12 months
• Significant experience in linac quality assurance and treatment planning

Desirable

• MPE status
• Able to act as an RPS
• Experience with Eclipse treatment planning software, Aria OIS and TrueBeam linacs
• Experience with SABR
• Experience with SRS (e.g. Gamma Knife)

Person Specification
Qualifications
Essential

• HCPC registration as a clinical scientist in the field of radiotherapy physics

Experience
Essential

• Able to submit an MPE portfolio within 6-12 months
• Significant experience in linac quality assurance and treatment planning

Desirable

• MPE status
• Able to act as an RPS
• Experience with Eclipse treatment planning software, Aria OIS and TrueBeam linacs
• Experience with SABR
• Experience with SRS (e.g. Gamma Knife)

Skills Required