Job title: Project Manager
Location: Paris - Hybrid
Salary: €56,000 - €70,000
Team: UK and EU Customer Success
Reporting To: Senior Program Manager
Closing date for applications: Monday 6th April 2026
Please note that there will be some travel required to Brussels / London / Bristol (assume 1 day per week)
Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today's challenges while accelerating the shift to a clean, electrified future. Leveraging Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners.
By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable and affordable.
With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.
What will I be doing?
Purpose:
The Project Manager, Client Implementation is the crucial orchestrator of our platform deployment for new, high-value clients—major energy companies like OVO Energy, SSE, ENGIE, and AGL. You will own the end-to-end transformation, ensuring our cutting-edge SaaS platform is seamlessly integrated to drive their core business performance. You act as the vital bridge, translating client needs into actionable technical delivery plans across our Product, Engineering, and Delivery Management teams.
Responsibilities
1. Planning, Delivery, and Risk Mitigation- Project Governance: Develop, maintain, and execute the comprehensive implementation plan, helping to manage scope, critical path, dependencies, and resource allocation.
- Status Reporting: Provide regular, high-fidelity progress updates to all stakeholders using a blend of qualitative insights and quantitative delivery metrics (e.g., Jira KPIs, burn-down/up charts, velocity reports, spreadsheet data analysis).
- Value-Driven Facilitation: Understand Kaluza services and external client constraints to support identification and resolution of cross-functional roadblocks, technical dependencies, to ensure the earliest possible delivery of measurable business value.
- Risk & Issue Management: Actively identify, document, prioritize, and mitigate project risks and issues, escalating critical items effectively with proposed solutions.
- End-to-End Project Leadership: Own and manage all stages of the platform implementation lifecycle, from initial Discovery and Due Diligence through Integration, Data Migration, Go-Live, and Performance Handoff.
- Contractual Adherence: Ensure Kaluza consistently meets all defined contractual obligations, commercial milestones, and agreed-upon acceptance criteria (UAT/OAT).
- Stakeholder Management: Maintain clear, proactive, and regular communication with delivery teams, and management stakeholders, both internal and external, in collaboration with the Kaluza management team.
- Prioritization & Data: Manage the intake of new client requirements and requests, facilitating transparent, data-driven analysis (e.g., impact vs. effort) to support critical prioritization decisions for the Product and Engineering teams.
- Platform Capability: Become familiar with Kaluza Platform capability and services, clearly communicating how features, developments, and architecture shifts will impact and benefit the client's operations.
About You
- 5+ years of progressive experience in Project or Programme Management, with a significant portion focused on client-facing software implementation/delivery.
- Demonstrable track record of delivering successful large-scale system implementations, platform migrations, or core IT transformation projects within a B2B or Enterprise SaaS context.
- Deep familiarity with Jira/Confluence/spreadsheet tools to support project management—including metrics, advanced queries, reporting, and dashboarding for executive visibility.
- Comfortable operating fluidly at the task detail level (team-level execution) and synthesizing information for the stakeholders..
- Proven ability to manage diverse project scopes (e.g., product development, compliance, technical integrations, and customer experience changes).
What will set you apart
- A ‘can do’ attitude, that is able to create high-performing teams.
Kaluza Values
Here at Kaluza we have five core values that guide us as a business:
We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.
Read more about our values over on our careers site.
We want the best people
We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.
We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.
Find out more about working in Kaluza on our careers page and LinkedIn.
You can also find our Applicant Data Protection Policy here.
Top Skills
What We Do
Kaluza is an energy software company powering the future of energy. From revolutionising billing to smart electric vehicle charging, Kaluza’s technology is empowering some of the biggest energy suppliers to better serve millions of customers. Its real-time cloud platform transforms supplier operations, reducing cost to serve and boosting customer engagement. Powered by Kaluza, suppliers can invest in innovating for tomorrow’s customers and drive decarbonisation with smart, low carbon technologies that not only reduce energy bills, but lay the foundations for a more flexible energy system. Kaluza is a B Corp-certified business with over 450 employees across seven global hubs.
