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.
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
Do you have a talent for solving problems, juggling multiple priorities and getting things done? Are you someone who rolls up their sleeves and sees things through? If that sounds like you, we’d love to hear from you!
We’re on the lookout for a Project Manager to join our Technology division. You’ll be part of a friendly, collaborative team where no two days are the same, working on a variety of interesting and meaningful projects.
Our multidisciplinary team of scientists, engineers and consultants deliver solutions across the nuclear lifecycle. From desk-based consultancy to on-site work, we provide innovative solutions to solve our clients’ most complex challenges.
This role is based at our Warrington campus. Due to the nature of the projects (including lab-based projects) you’ll need to be present on site at Warrington for at least 60% of the time.
This is a fantastic opportunity for a project manager with some experience who is looking for a role with plenty of variety, or a junior project manager ready to step up. You will bring enthusiasm and drive and will enjoy working across multiple projects and keeping lots of plates spinning.
Key Responsibilities
You’ll play a key role in keeping projects moving to deliver great outcomes for our clients.
Proactively manage the delivery of projects safely, to time, cost, quality and customer satisfaction.
Build strong, positive relationships with clients and stakeholders.
Keep everyone in the loop with clear, confident communication.
Ensure compliance with all safety, environmental, quality, and regulatory requirements.
Stay on top of project governance requirements and manage risk and change effectively.
Monitor progress and provide accurate status updates to stakeholders.
Support in the development of budgets and schedules for projects and manage forecasts and actual costs against them.
Champion a strong safety culture.
Support with bids and proposals as needed.
Act as a role model for the Amentum values and behaviours.
Here's What You'll Need
Experience in successfully leading teams to deliver projects to time, cost and quality.
A confident communicator who’s comfortable working with clients and stakeholders.
Someone organised, proactive, and able to prioritise effectively.
A resilient, adaptable mindset with a positive, can-do attitude.
A good understanding of project basics—planning, risks, costs, and change
Commercial awareness, understanding cost and estimating principles and key performance metrics and taking action to deliver to budget.
A good understanding of project management basics, including scope management, cost control, schedule adherence, risk management and change management.
Desirable
APM PMQ (or equivalent).
Experience within the nuclear sector or another highly regulated industry
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.
Compensation Details:
GBP
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
04/17/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
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.
