Lead Physicist (London)

Genesiscare; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

26 days annual leave and bank holidays

Private medical and dental cover

Employee Assistance Program (EAP)

Income protection

Headspace and Babylon Health access

Retail discounts

Free parking at most centres

Job summary

GenesisCare UK is seeking a Lead Physicist in London to join our Radiotherapy team at Cromwell Hospital, Kensington. You will serve as the Medical Physics Expert on site, providing scientific leadership and ensuring safe, high-quality radiotherapy delivery across treatment and imaging platforms.

You will lead calibration, QA, and collaborate with radiographers and oncologists to optimise patient pathways, with a focus on innovation and service development.

Qualifications

• HCPC registration as Clinical Scientist (Radiotherapy) is required
• Recognised Medical Physics Expert (MPE) status or working towards it considered case-by-case
• Experience with Varian LINACs, Eclipse TPS, and ARIA is important
• Knowledge of IGRT, SABR, MRI, 4DCT, and advanced techniques is desirable
• Experience in the UK private healthcare sector is advantageous

Responsibilities

• Act as Radiotherapy Medical Physics Expert (MPE) on site and support treatment delivery
• Provide oversight for treatment planning and dosimetry
• Lead Linac calibration and quality assurance to national standards
• Oversee radiotherapy QA across CT/MR/IGRT systems
• Collaborate with radiographers, oncologists, and clinical teams for safe patient pathways
• Train clinical staff in dosimetry, QA, and planning processes
• Liaise with engineers on equipment maintenance and downtime
• Contribute to service development and innovation in planning and QA
• Maintain documentation and ensure safety, quality, and regulatory standards
• Participate in GenesisCare physics and dosimetry initiatives across the UK network

Skills

Radiotherapy Physicist

Medical Physics Expert (MPE)

Linac QA

Calibration

Dosimetry

IMRT/VMAT planning

Plan checking

Communication

Training/Mentoring

Stakeholder management

Education

HCPC registration as Clinical Scientist (Radiotherapy)

Recognised Medical Physics Expert (MPE) status

Tools

Varian LINACs

Eclipse TPS

ARIA

Job description

Lead Physicist (London)

Are you ready to embark on an exciting journey as a Lead Physicist at our state-of-the- art cancer care centre based within the prestigious Cromwell Hospital in Kensington, London?

Join our dedicated GenesisCare Radiotherapy team and be part of something extraordinary—delivering world-class cancer care in a collaborative, innovative clinical environment.

As a Lead Physicist, you will play a pivotal role as the Medical Physics Expert (MPE) on site, ensuring the safe, effective, and high-quality delivery of radiotherapy services. This is a unique opportunity to take scientific and technical leadership within a highly specialised service, contributing directly to patient care while shaping service development and innovation.

What You’ll Do

• Act as the Radiotherapy Medical Physics Expert (MPE) on site, supporting all aspects of treatment delivery
• Provide scientific and technical oversight for treatment planning and patient dosimetry
• Lead on Linac calibration and quality assurance, ensuring compliance with national standards
• Oversee and deliver radiotherapy QA across all treatment and imaging equipment (including CT/MR and IGRT systems)
• Collaborate closely with radiographers, oncologists, and clinical teams to ensure safe and effective patient pathways
• Support and train clinical staff in dosimetry, QA, and treatment planning processes
• Manage and liaise with engineers regarding equipment maintenance, servicing, and downtime
• Contribute to service development and innovation, improving planning techniques, QA processes, and efficiency
• Maintain robust documentation and ensure adherence to safety, quality, and regulatory standards
• Participate in wider GenesisCare physics and dosimetry initiatives across the UK network

What You’ll Have

• Extensive clinical experience as a Radiotherapy Physicist, operating at Medical Physics Expert (MPE) level
• Strong expertise in Linac QA, calibration, and dosimetry
• Experience in IMRT/VMAT planning and plan checking
• Excellent problem-solving, organisational, and communication skills
• Ability to train, mentor, and influence multidisciplinary teams
• Confidence engaging with both technical and non-technical stakeholders

Qualifications:

• HCPC registration as a Clinical Scientist (Radiotherapy)
• Recognised Medical Physics Expert (MPE) status (or working towards, considered case-by-case)
• Experience with Varian LINACs, Eclipse TPS, and ARIA
• Knowledge of IGRT, SABR, MRI, 4DCT, and advanced techniques
• Experience in the UK private healthcare sector

Why Choose GenesisCare

Discover what’s in store for you when you join GenesisCare UK:

• Shape your work-life balance with 26 days annual leave, plus bank holidays, and the option to buy or sell leave
• Prioritise your wellbeing with private medical and dental cover, EAP, and Income Protection
• Access our world-class radiotherapy—free for you and your immediate family if needed
• Secure your future with a competitive contributory pension scheme
• Support your mental wellbeing with Headspace and Babylon Health accessEnjoy retail discounts and free parking at most centres

Who We Are

GenesisCare UK is the leading provider of private oncology services in the UK, pioneering a transformation in cancer care.

We are a team of over 600 highly trained professionals operating across 14 specialist cancer centres, delivering advanced diagnostics, radiotherapy, medical oncology, and Theranostics.

Our integrated approach focuses on treating the whole patient—combining cutting-edge treatments with wellbeing services in partnership with Penny Brohn UK.

We are committed to innovation, research, and continuous improvement, working with global experts to shape the future of cancer care.

Join GenesisCare UK and shape your future—while shaping the future of cancer care.