B2B SaaS Account Growth & Upsell Manager

Proton; Paris; Hybrid; EUR 60,000 - 85,000; Full time

Benefits offered by this job

Office in multiple cities

Stock options

Flexible working hours

Learning and development opportunities

Health insurance

Job summary

Proton is seeking an Account Manager to grow our B2B business by expanding relationships with current customers, driving product adoption, and identifying upsell opportunities. You will work with Account Management leadership and Sales to increase revenue across Proton’s product suite and ensure customer success.

The role requires 1–3 years in account management or customer-facing roles, with a preference for B2B SaaS experience. English fluency is required; French or German is a plus.

Qualifications

• 1–3 years experience in Account Management, Sales, or customer-facing roles.
• Experience in B2B SaaS is a plus.
• Fluency in English required; French or German language skills beneficial.

Responsibilities

• Drive account growth and upsell within existing customers.
• Maintain CRM records and track activity and opportunities.
• Collaborate with Sales, Marketing and Product teams on account strategy.
• Lead adoption and retention projects and develop playbooks.

Skills

Strong communication

Relationship building

Negotiation

Organised

CRM tools (HubSpot)

Tools

HubSpot

Job description

Proton is seeking an Account Manager to grow our B2B business by expanding relationships with current customers, driving product adoption, and identifying upsell opportunities. You will work with Account Management leadership and Sales to increase revenue across Proton’s product suite and ensure customer success.

The role requires 1–3 years in account management or customer-facing roles, with a preference for B2B SaaS experience. English fluency is required; French or German is a plus.