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, 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 

For our team in Birchwood Park, Warrington, we require an experienced (Senior) Ventilation/ HVAC Engineer.

You will be involved in multi-disciplined projects that will design plant and equipment, which will facilitate the safe dismantling/ safe disposal of redundant plant items thus allowing the connection and fitment of the new ventilation infrastructure within the existing building. Additional plant and equipment will be designed that will support the onward decommissioning mission within the facility.

Scope

• The Ventilation Senior Engineer will be required to support the design through all project phases, including the current validation of the single viable ventilation plant option.

• The Ventilation Senior Engineer is required to deliver the ventilation and building services work scope, production and checking of design deliverables, reporting to a Principal Ventilation/Responsible Engineer.

• Will need to guide Designers and Engineers in the production of detail drawings, sub-assemblies, GAs, Layout drawings, Flow diagrams and parts lists.

• The Ventilation Senior Engineer may be required to produce calculations to verify the detail design and design substantiation.

• The production/compiling of technical documentation (technical specifications, RA’s, Installation methodology docs, O&M manuals, etc) will be a requirement

• The Ventilation Senior Engineer will be required to work closely with the multidiscipline design team and plant-based team.

Requirements

• Experience of working within a highly regulated industry, preferably within the nuclear industry

• Recent experience of Alpha plant design and the decommissioning of redundant plant would be advantageous, but not essential

• A good understanding of the requirements associated with delivering ventilation designs in the nuclear sector

• Experience in production of technical files

• Experience of ‘Design for Assembly’ within a nuclear facility

• Experience in the production and development of nuclear ventilation plant layout

• Production and checking of ventilation engineering calculations & deliverables

• Liaison with key stakeholders and other design discipline

• Competent Report writing skills: clearly and concisely reporting findings

• Comfortable working under time and cost constraints

• The candidate will need to manage their own workload and drive completion of the work scope

• The candidate will need to be able to communicate effectively with team members and with the Client

• Microsoft Office Packages, good understanding of 2D and 3D Autodesk CAD Products

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.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.