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Freelance SAP IS-U Functional Expert (FI-CA, Billing, SD)

delaware France

Industry
Consulting & Advisory
Location
Paris, France
Work mode
hybrid
Job type
-
Annual salary
Not specified
Minimum experience
10+ years
Posted
12th October, 2026

Required skills

SAPBusiness Processes& Contract ManagementPaymentsElectricityEnergy MarketFrenchDiversity & Inclusion

About the role

Translated into English from French by Korum. The employer's original wording is on their site.

IMPORTANT

  • Status: Freelance

  • Location: Paris, Île-de-France

  • Sector: Energy & Utilities

✨ Being a pioneer is a state of mind. At delaware, it is our story.

At delaware, it is our story. Our ambition: to pass the milestone of 100 SAP S/4HANA migrations. An ambition driven by solid expertise and Platinum Partner status with SAP, achieved as early as 2023.

We work at the heart of a variety of sectors and are now accelerating in the Energy & Utilities sector, where SAP IS-U is central to business processes: customer contract management, meter readings, billing, collection and debt recovery.

Five values guide us - Innovation, Care, Engagement, Entrepreneurship, Team Spirit - three of which are resolutely human.

🤝 Your role: SAP IS-U functional expert at the heart of energy processes

As an SAP IS-U Functional Expert, you are the functional reference person for the processes "from meter to cash": energy contracts and sales, billing, exchanges with network operators, payments and debt recovery.

You analyse business requirements, validate proposed solutions, secure system developments and support business teams day to day, within a centre of expertise or a Design Authority.

🎯 Your main responsibilities

Billing & distributor exchanges (SAP IS-U Billing / Device Management)

  • Lead functional expertise on energy billing processes (electricity, gas)

  • Manage exchanges with network operators (Enedis, GRDF, etc.)

  • Oversee meter management and readings (Device Management)

  • Analyse and resolve complex billing anomalies

Collection, debt recovery & payments (SAP FI-CA)

  • Ensure the smooth running of financial processes: collection, debt recovery and receivables management

  • Manage payments, reminders and disputes

  • Ensure consistency of interfaces between SAP FI and SAP FI-CA

Sales & energy contracts (SAP IS-U SD)

  • Work on sales and customer contract management processes

  • Ensure continuity between sales, billing and collection processes

Expertise & support

  • Analyse business requirements and translate them into SAP solutions

  • Validate solutions proposed by the integrator and challenge functional choices

  • Lead and carry out functional testing and qualification of developments

  • Support and train business teams

🧭 Are you the person we are looking for?

Experience & background

  • 8 to 15 years of SAP experience, including solid experience on SAP IS-U (ideally 10 years for the Billing part)

  • Strong expertise in at least one of the areas: SAP IS-U Billing / Device Management, SAP FI-CA, SAP IS-U SD

  • Very good knowledge of energy market processes

  • Experience in a Design Authority or centre of expertise is an asset

Key skills

  • SAP IS-U Billing & Device Management

  • SAP FI-CA: collection, debt recovery, payments, reminders & disputes

  • SAP IS-U SD: energy sales and contracts

  • FI / FI-CA interfaces and distributor exchanges

  • Functional testing and management of complex anomalies

  • Good interpersonal skills and ability to work with business teams

  • Fluent French

  • English at B2 level (at least)

🎁 Why join us?
  • A high-impact expert role alongside major energy players

  • The opportunity to contribute to structuring projects in a sector undergoing transformation

  • An international, entrepreneurial and innovative environment

  • A flexible hybrid working organisation

  • A collaborative culture focused on expertise, innovation and sharing

  • Privileged access to a network of SAP and business experts

🌈 Diversity & inclusion

At delaware, diversity is our strength. We consider all applications with equal skills and are committed to equal opportunities. Our working environment is disability-friendly: contact the recruitment team to discuss possible adjustments.

👉 An overview of who we are?

Testimonials from #peopleofdelaware
https://www.delaware.pro/fr-fr/careers/blog

Our projects and client references
https://www.delaware.pro/fr-fr/stories

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