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About this role
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.
Make job search work for you
Turn a broad, stressful search into a focused weekly routine.
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 and diverse 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, plus 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 Decommissioning Alliance (TDA) is a strategic partnership, operating within the DNWP framework and delivering critical decommissioning work at Sellafield, including the UK’s most challenging Legacy Ponds facilities. As a key partner within DNWP, TDA contributes to Sellafield Ltd.’s mission while ensuring communities, supply chains, and stakeholders benefit from meaningful, measurable Social Value outcomes.
As a Commissioning Operability Team Member, you are responsible for ensuring that operational readiness is embedded throughout the project lifecycle. This entails collaborative working with project delivery teams, external contractors and client(s) to support setting to work people, plant & procedures and to validate operational readiness.
Key Responsibilities:
Prioritising safety as the highest priority on the project, striving towards Zero Harm, and act as a role model in all aspects of safety, nuclear, radiological, conventional, and environmental safety.
Support the development and implementation of working level instructions including operator instructions, alarm response instructions, emergency operating instructions and maintenance instructions ensuring compliance with Design Specifications & Site Licence Conditions.
Provide support and input to multi discipline design reviews, HAZCONs HAZOPs, HAZANs, and work closely with the engineering team.
Liaise with Design, Vendors and other SME to develop working level instructions to ensure maintenance and preservation arrangements are upheld in line with system design intent
Present working level instructions at approval committees, ensuring documentation is fit for purpose in line with operational, environmental, engineering and safety case requirements.
Carrying out document validation safely and efficiently throughout all phases of Start Up, recording supporting data in accordance with validation requirements.
Witnessing of operational activities undertaken by Vendors and Equipment Specialists, to ensure O&M documentation is produced in-line with Design and Statutory Requirements. Review Vendor O&M documentation in line with Validation of Working Level Instructions. Provide support with the coordination and deployment of Commissioning Operability Resource and team development.
Contribute to operational readiness assessments, safety case reviews and plant compliance checks
Deliver allocated operability work scope in line with project plans and commissioning milestones
Contribute to facility walkdowns, operability reviews, and readiness verifications. Communicate operability issues, risks, and readiness status clearly to stakeholders.
Here's What You'll Need:
Experience supporting commissioning start-up, operational readiness, or plant operations activities within a highly regulated industry such as nuclear, defence, power generation, petrochemical, or process manufacturing.
Demonstrable understanding of Nuclear Site Licence Conditions and the requirements associated with safe plant start-up, operation, and compliance.
Experience developing, reviewing, and validating operational documentation, including operating instructions, maintenance instructions, alarm response instructions, and emergency operating procedures.
Knowledge of commissioning and operability processes, ensuring that People, Plant, and Procedures are prepared for safe and effective operations.
Experience participating in multidisciplinary design reviews, HAZOPs, HAZANs, HAZCONs, risk assessments, and safety reviews.
Proven ability to work closely with engineering teams, vendors, equipment specialists, and operations personnel to develop and maintain plant documentation in line with design intent.
Experience reviewing vendor Operation & Maintenance (O&M) documentation and ensuring compliance with design, statutory, and operational requirements.
Strong stakeholder management and communication skills, with the ability to clearly communicate operability issues, risks, and readiness status to project teams and management.
Ability to work effectively within multidisciplinary teams while maintaining high standards of professionalism, accountability, and safety culture.
Our Culture
Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.
We aim to embed inclusion in everything we do. We know that if we are inclusive, we’re more connected, and we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks.
We partner with VERCIDA to help us attract and retain diverse talent. 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.
SL
TDA
RETURNERS26
Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. 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/](https://www.amentum.com/)
If you need a reasonable accommodation for any part of the employment process, please complete our [Accommodation Request](https://www.amentumcareers.com/reasonable-accommodations). Requests for accommodation will be considered on a case-by-case basis.
If you need assistance, please reach out to [workdaycandidateaccounts@amentum.com](mailto:workdaycandidateaccounts@amentum.com)
[EEO including Disability/Protected Veterans](https://www.dol.gov/agencies/ofccp/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 as 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](https://www.amentum.com/ethics-compliance/).
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