Senior Implementation Consultant (Customer Success)

About InfiterraJoin our mission to grow and transform the subscription economy by simplifying subscription service delivery.Infiterra enables IT distributors, Managed Service Providers (MSPs), and telcos to succeed in the subscription economy. Our subscription commerce platform automates and unifies subscription workflows - from quote to bill- driving operational efficiency, billing accuracy, and scalable growth.

Recognized as a global leader in subscription commerce, Infiterra combines innovation, performance excellence, and trusted expertise to help partners transform and grow.

About The Role

We are looking for a hands-on SaaS Implementation Consultant / Customer Delivery Manager to own complex software implementations for global customers. This role combines project delivery, onboarding, stakeholder management, platform configuration, and ongoing customer ownership.

You will work primarily with global customers, owning implementations and acting as Infiterra’s main point of contact post-sale. This role is based in Greece. While our customer base is entirely international, we're ideally looking for a candidate based locally, with strong international exposure and experience working with global, English-speaking clients.

Key ResponsibilitiesImplementation & Delivery

• Support and, for standard accounts, own onboarding projects from kickoff through go-live

• Assist in investigating and progressing account-level issues, escalating complex or cross-functional cases to senior CSMs or relevant teams (Support, R&D, Product)

• Build working knowledge of platform behavior and business requirements to support customer and internal conversations

• Support project management of customer implementations, coordinating internal teams and customer stakeholders under guidance on more complex accounts

• Carry out hands-on configuration, setup, and customization of the platform (no coding required)

• Deliver customer training sessions, both remote and on-site when needed

• Track timelines, dependencies, and stakeholder communication throughout implementation

• Support customers during hyper-care periods following go-live

Customer Ownership & Engagement

• Conduct regular cadence calls and ensure follow-up on action items

• Support account health monitoring and ticket escalation for your portfolio

• Participate in QBRs and contribute to follow-through on adoption and optimization actions

• Work confidently with stakeholders across working and management levels

• Share customer feedback with Product and Engineering teams

Ideal Candidate Profile

• Experience as a software consultant, ERP implementation consultant, technical project manager, or SaaS delivery-focused CSM.

• Minimum of 5 years of experience working in a B2B software environment (such as ERP, CRM, or SaaS) in a customer success role, with a focus on customer onboarding and implementation.

• Extensive background in delivering complex software implementations. Experience with ERP, subscription and billing platforms, telecom BSS, marketplaces, or commerce SaaS solutions is strongly preferred.

• Comfortable taking a hands-on, detail-oriented approach—not just working in customer-facing roles.

• Capable of working independently.

• Possesses a startup mindset: pragmatic, adaptable, and comfortable with a broad range of responsibilities.

• Based in Greece, ideally with a strong international profile — e.g., prior work experience abroad, with multinational teams, or with clients outside Greece — and full comfort operating in an English-first, globally distributed environment.

Required Skills & Experience

• Proven experience delivering B2B software implementations.

• Strong project management and stakeholder coordination skills.

• Solid understanding of software concepts, including APIs.

• Ability to explain complex technical and business workflows clearly.

• Professional English.

• Willingness to travel when required.

Benefits

• Work-from-anywhere scheme (travel and work).

• Flexible working hours.

• Health and life insurance program.

• Learning & development budget.

• Tech-driven, friendly team with an international mindset.

If you feel you’re a great fit, please apply!We’d love to hear from you!

All applications will be treated with confidentiality. Please note that due to the high volume of CVs received, only candidates who are a good fit will be contacted for an interview.

As part of our commitment to diversity in the workforce, Infiterra is dedicated to Equal Employment Opportunity, ensuring that all individuals are treated with respect and consideration without regard to race, color, national origin, ethnicity, gender, disability, sexual orientation, gender identity, or religion.