Job Description

At Amentum, we'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. With more than 55,000 people in 40+ countries, working at Amentum offers 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 Amentum's 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, free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.



Work-life balance and flexibility is a key focus area for Amentum. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the Opportunity

In partnership with the Client Amentum is working to deliver the Non-Nuclear Engineering Partnership (NNEP) which is a programme of works involving all aspects of the Client's built environment portfolio outside of the critical nuclear facilities Clients develops, owns and maintains.



Working within the PMO, the Performance Reporting and Change Analyst will be responsible for providing accurate, timely and insightful business performance reporting analysis across the NNEP Framework, as well as managing and administering change control across the programme.



The role will work closely across multiple delivery and support function teams, assisting with all aspects of planning, performance management reporting deliverables, and change management. Ensuring data integrity and quality is delivered at its highest level which is a key responsibility.

Key Tasks

Performance Reporting & Insights: Develop dashboards to track progress, highlight key focus areas, support leadership decision-making as well as preparing and validating core performance packs for weekly, monthly, and quarterly reviews


Data Analysis & KPI Tracking: Extract and interpret large datasets, providing meaningful insights and ensuring contractual KPI compliance.


Dashboard Development & Visualization: Own and maintain project dashboards, ensuring clear, impactful presentation of key metrics.


Cross-Functional Collaboration: Conduct quality checks, data verification, and standardise reporting processes to enhance efficiency.


Narrative Capture & Commentary: Implement structured approaches for performance storytelling, ensuring consistency and value-add.


Change Control & Governance: Establish and maintain structured change control standards, ensuring compliance with the Client and contractual requirements.


Change Management Oversight: Define Terms of Reference for performance reporting meetings, ensuring alignment with business objectives.


Continuous Improvement & Best Practices: Lead performance reporting enhancements, working closely with the LFE & Continuous Improvement Manager.

Qualifications and Experience

Degree in Business, Project Management, Engineering, or Data Science or equivalent experience and qualifications


Expert in Power BI & Power Query: With experience in Semantic Models and complex data reporting


Strong analytical mindset: Capable of solving complex problems with data-driven insights


Proficient in reporting & data governance: Ensuring accuracy in performance tracking


Proven track record in Data Architecture: Including Data Warehouses/Data Lakes implementation


Experience with API Development & Integration: For seamless enterprise connectivity


Experienced in change management: Process design, and upskilling teams for best practices


Ability to manage competing priorities: Deliver high-quality results under tight deadlines


Process improvement champion: Skilled at streamlining workflows and driving efficiency


Excellent communicator & collaborator: Experience influencing cross-functional teams


Any offer of employment will be strictly subject to the relevant security requirements for the role being met. This means that you will need to have, or be able to obtain, Baseline Personnel Security Standard (BPSS) clearance and either Security Check (SC) or Developed Vetting (DV) clearance. The security clearance process may require non-British nationals or dual nationals (i.e. those with British and another nationality) to be subject to additional evaluation, depending on nationalities held and the nature of the work to be carried out.

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 truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. Find out more about life at Amentum.



We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we're more connected, and if we are diverse, 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 centred on inclusion and diversity - ACE, Careers, Enlace, Harambee, OneWorld, Prism, Vetnet, and Women's - find out more about our employee networks here.



Amentum partners 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.



Your application experience is important to us and we're keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join Amentum then please let us know.