Lead Physicist (London)

Genesiscare Uk; Windsor; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading provider of oncology services in the UK is seeking a Lead Physicist to ensure the safe delivery of radiotherapy physics at their Cromwell Hospital facility in London. The role involves collaboration with clinical teams, overseeing dosimetry and QA for Linac and imaging equipment. Candidates should have extensive experience as a Radiotherapy Physicist, hold HCPC registration, and be recognized as a Medical Physics Expert. This exciting opportunity offers innovative challenges within a supportive environment.

Benefits

26 days' annual leave

Private medical and dental insurance

Company contributory pension scheme

Free access to radiotherapy for family

Exclusive retail discounts

Qualifications

• Recognised as a Medical Physics Expert (MPE).
• Proven expertise in Linac QA and dose calibration.
• Commitment to maintaining Continuing Professional Development (CPD).

Responsibilities

• Serve as the on-site Medical Physics Expert for radiotherapy.
• Lead and maintain quality assurance programmes for radiotherapy and imaging equipment.
• Collaborate with clinical staff to ensure treatment delivery.

Skills

Extensive experience as a Radiotherapy Physicist

Proficiency in IMRT/VMAT planning techniques

Excellent problem‑solving skills

Strong communication and teamworking skills

Ability to deliver technical training

Education

HCPC registration as a Clinical Scientist

MPE status on the RPA2000 register

Tools

Eclipse TPS

Varian LINACs

Job description

As the Lead Physicist, you'll be responsible for the safe and effective delivery of all radiotherapy physics aspects at our Cromwell Hospital centre in Kensington, London. Acting as the Medical Physics Expert (MPE), you'll oversee dosimetry, calibration, and quality assurance (QA) for the Linear Accelerator (Linac) and associated imaging equipment. You'll collaborate closely with clinical oncologists, radiographers, dosimetrists, and engineers to ensure the highest standards of accuracy and safety in radiotherapy delivery. This role offers an exciting opportunity to combine hands‑on scientific expertise with leadership in innovation and continuous improvement across GenesisCare's radiotherapy network.

What You'll Do:

• Serve as the on‑site Medical Physics Expert (MPE) for radiotherapy.
• Oversee and perform Linac calibration traceable to NPL Primary Standard.
• Lead and maintain quality assurance (QA) programmes for all radiotherapy and imaging equipment, including CT, MR and IGRT.
• Provide scientific and technical oversight for radiotherapy treatment planning and patient dosimetry.
• Collaborate with radiographers, oncologists and clinical staff to ensure safe and effective treatment delivery.
• Support and train clinical colleagues in QA, dosimetry, treatment planning and checking procedures.
• Liaise with engineers to resolve equipment issues and manage maintenance schedules.
• Contribute to service development projects, advancing QA methods, planning techniques and operational efficiency.

Requirements & Qualifications:

• Extensive experience as a Radiotherapy Physicist, recognised as a Medical Physics Expert (MPE).
• Proven expertise in Linac QA and dose calibration.
• Experience with Varian LINACs and Aria (desirable).
• Proficiency in IMRT/VMAT planning techniques, with Eclipse TPS experience desirable.
• Strong understanding of CT scanner QA, patient dosimetry and plan checking.
• Excellent problem‑solving, communication and teamworking skills.
• Confident in delivering technical training and presenting complex information clearly.
• HCPC registration as a Clinical Scientist in Radiotherapy Physics.
• MPE status on the RPA2000 register (or working towards this).
• Commitment to maintaining Continuing Professional Development (CPD).

About GenesisCare UK:

GenesisCare UK is the leading provider of private oncology services in the UK, pioneering a transformation in cancer care. Through innovative, personalised treatments, we are enhancing patient quality of life, life expectancy, and overall survival.

We operate 14 state‑of‑the‑art centres across the UK, providing advanced diagnostics, radiotherapy, medical oncology, and Theranostics. We take an integrated approach to care, supported by our partnership with Penny Brohn UK and our Exercise Medicine programme, proven to improve patient outcomes. Join GenesisCare UK at Cromwell Hospital, Kensington, London, and help shape the future of cancer treatment while growing your career in a supportive, world‑class environment.

Benefits:

• 26 days' annual leave plus bank holidays, with options to buy or sell leave.
• Private medical and dental insurance, income protection and wellbeing support.
• Company contributory pension scheme.
• Free access to our world‑class radiotherapy for you and your immediate family.
• Access to wellbeing programmes, including Babylon Health and Headspace.
• Free parking at most centres and exclusive retail discounts.