Publiée 30 mai 2026
Implementation Manager - SaaS B2B | Onboarding & Migration Client (f/m/d)
IDnow
Rennes, Bretagne 35000, France
CDI
IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention.Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability.
The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries.
This position is based in Rennes, France.
As an Implementation Manager, you are the single thread running through every customer migration: from the very first conversation to post go-live stabilisation, you are the customer's named point of contact and the internal orchestrator.
This role goes well beyond a standard onboarding profile. You drive the full migration cycle, coordinate Solution Engineers and the Onboarding team, and deliver onboarding directly on standard accounts.
Your mission: own the end-to-end migration of IDnow customers onto the TrustPlatform - managing customer relationships, internal teams, and risks - with rigour and autonomy.
Key Responsibilities
Preferred Experience
Perks & Benefits
IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.
The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries.
This position is based in Rennes, France.
As an Implementation Manager, you are the single thread running through every customer migration: from the very first conversation to post go-live stabilisation, you are the customer's named point of contact and the internal orchestrator.
This role goes well beyond a standard onboarding profile. You drive the full migration cycle, coordinate Solution Engineers and the Onboarding team, and deliver onboarding directly on standard accounts.
Your mission: own the end-to-end migration of IDnow customers onto the TrustPlatform - managing customer relationships, internal teams, and risks - with rigour and autonomy.
Key Responsibilities
- Own each migration end-to-end: project plan, milestones, risk management, weekly status reporting
- Act as the single named contact for the customer, from kick-off through to CSM handover
- Coordinate internal teams (Solution Engineers, Onboarding) on complex migrations: multi-product, multi-country, regulatory constraints
- Deliver onboarding autonomously on standard accounts: integration guidance, testing, go-live validation, hypercare
- Anticipate and escalate blockers before they impact the customer or the timeline
- Build migration playbooks to continuously improve our processes
Preferred Experience
- 3 to 5+ years of experience in a Post-Sales role in a B2B SaaS environment: Customer Success Manager, Implementation Manager, Technical Account Manager, Onboarding Project Manager, or equivalent
- Proven track record managing complex migration or implementation projects involving multiple internal teams
- Comfortable working with clients in regulated industries: Banking, FinTech, Insurance, Telco
- Sufficient technical understanding to read an architecture, challenge a solution design, and spot integration risks - without being a developer
- Transversal leadership: ability to mobilise teams without hierarchical authority
- French - fluent, required • English - professional level, required
- Exposure to digital identity, KYC/AML, or eIDAS
- Familiarity with REST API integration environments
Perks & Benefits
- Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions.
- We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification.
- We make your remote work comfy: we provide support on equipment and offer flexible working hours.
- We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work.
- May your family require your attention or other reasons apply: use the benefit of our paid special leave days.
- Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities.
- In addition to the perks & benefits above, we offer specific benefits that differ between our locations.
IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.
