Amentum
Dose Controller
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At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.
Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We’ll inspire and empower you to deliver your best work so you can evolve, grow, and succeed – today and into tomorrow.
We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients, and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent.
In addition to the benefits you’d expect, UK employees also receive:
- Free single medical cover and digital GP service
- Family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes
- Reimbursement towards relevant professional development and memberships
Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time, and flexible working hours, patterns, and locations to suit you and our business.
About the Opportunity
The Dose Controller plays a key role in ensuring that radiological exposures for personnel working in nuclear facilities are closely monitored, accurately recorded, and kept as low as reasonably practicable (ALARP). The role provides real-time dose oversight, supports planning for radiological work, and ensures compliance with UK radiation protection legislation and site-specific arrangements.
Key Responsibilities:
- Monitor and record personnel dose uptake in real time during work in controlled areas.
- On-site control of dose badges and monitoring collection dates, issues, etc.
- Track cumulative dose exposure and ensure individuals remain within statutory and site limits.
- Maintain accurate dose logs and documentation in line with regulatory requirements.
- Escalate issues where dose trends approach thresholds or unexpected readings occur.
- Support job planning by providing radiological dose rate information and forecasts.
- Contribute to the development of safe systems of work and radiological job packs.
- Assist in estimating predicted dose for work tasks and ensuring ALARP principles are embedded.
- Advise on radiological hazards and required control measures before work begins.
- Liaise with Health Physics Monitors, RPS, operational teams, and supervision to coordinate safe radiological working practices.
- Communicate dose status clearly to workers during tasks, ensuring awareness of exposure.
- Support debriefs and lessons learned relating to radiological performance and unexpected exposures.
- Ensure all dose control activities meet the requirements of:
- Ionising Radiations Regulations (IRR17)
- Nuclear site licence conditions
- Local rules and radiological safety procedures
- Participate in audits, inspections, and investigations relating to dose control.
- Maintain auditable and secure dose-related records.
- Issue and recover personal dosimetry equipment such as electronic dose meters (EDMs) and TLDs.
- Ensure dosimetry systems are functional and calibrated; report faults immediately.
- Assist Health Physics teams in routine radiological surveillance as needed.
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Essential Skills & Experience:
- Minimum 2 years of experience working in a highly regulated environment with a minimum of 1 year’s experience within the radiological areas (Separation).
- Level 2 Nuclear Health Physics Monitor Apprenticeship or Level 2 Certificate in Health Physics Monitoring in the Nuclear Industry.
- Proficient in MS Office tools.
- Understanding of radiological protection principles (IRR17, ALARP, dose limits).
- Strong attention to detail and accuracy in record keeping.
- Ability to stay calm, focused, and assertive in high-pressure or hazardous environments.
- Clear communication skills and confidence in challenging unsafe behaviours.
- Proactive in highlighting risks and proposing improvements.
- Team-focused, collaborative, and professional.
- Holds Sellafield clearance level and P4 pass.
Physical Requirements:
- Ability to work in controlled areas while wearing required PPE and RPE.
- Fit to work under radiological conditions as determined by occupational health.
Our Culture
Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive.
Supporting mental wellbeing and fostering a sense of connection are essential to how we work. When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.
We partner with VERCIDA, for greater online accessibility please visit www.vercida.com to view and access our roles.
As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.
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Thank you for continued interest in employment with Amentum.
For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/
If you need a reasonable accommodation for any part of the employment process, please contact us by email at TAOps@amentum.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.
If you need assistance, please reach out to workdaycandidateaccounts@amentum.com
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Labor Laws Posters
Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and/or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority.
To read more about Amentum’s commitment to ethics, please click here.
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