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About Longtail Technologies

Longtail is building an intelligent decision-streaming platform that helps airlines make smarter decisions in real time. By combining automation, proprietary algorithms, and live travel data, we enable airlines to optimize pricing, availability, and product flexibility across thousands of routes worldwide. We're a fast-growing company solving complex, high-stakes problems in aviation—and we're now scaling how we operate with customers.

About the Role

We're hiring a senior post-sale Senior Customer Success Manager to join our commercial team. This is a high-impact role responsible for owning customer execution end-to-end—across onboarding, adoption, and commercial outcomes. You'll work directly with airline revenue management, pricing, and commercial teams, and play a critical role in turning customer engagements into scalable, repeatable success. This is not a support role. You will own outcomes, not just relationships.

What You'll Own

You will take full ownership of strategic airline accounts after late-stage pre-signature, including:

Onboarding and rollout of Longtail workflows

Ongoing execution across active accounts

Customer governance (weekly sessions, monthly reviews, executive alignment)

Adoption, performance, and operational success metrics

Renewal readiness and expansion opportunities

Acting as the structured voice of the customer into Product and Engineering

What You'll Build

You won't inherit a mature CS function—you'll help create it. You will:

Establish arepeatable operating modelacross airline accounts

Define and runclear customer cadences(weekly ? executive level)





Buildstructured onboarding and success planning frameworks

Create visibility intorisk, renewals, and expansion

Develop templates and playbooks for future CSM hires

Help shape how Longtail scales its customer organization

What You'll Do

Own Customer Relationships

Be the primary point of contact from analyst to executive level

Build credibility with Revenue Management, Pricing, and Commercial teams

Lead both operational working sessions and strategic conversations

Drive Execution End-to-End

Own onboarding and rollout of customer workflows

Run weekly working sessions and monthly/QBR-style reviews

Coordinate internally with Product, Operations, Sales and Engineering

Ensure Adoption & Performance

Build and track structured success plans with clear owners

Monitor adoption, performance, and operational metrics

Proactively xhfqzwm resolve product, data, or operational friction

Own Commercial Outcomes

Drive renewal readiness well ahead of contract timelines

Identify and unlock expansion opportunities

Influence commercial outcomes through strong execution

Shape the Product

Translate customer feedback into structured insights

Surface patterns and priorities to Product and Engineering

Why You'll Love Working at Longtail

Own critical airline accounts with real commercial impact. Build a function from the ground up. Work directly with founders and industry experts. Tackle complex, high-value problems in a unique market.

Compensation & Benefits

Up to €120.000 base + bonus + Equity + Benefits

If you're excited about operating at the intersection of airlines, data, and commercial execution—and helping define how a company scales we'd love to hear from you.

Senior Customer Success Manager - Up To €120.000 A Year Barcelona, Kingdom Of Spain, ES

📌 Senior Customer Success Manager - A Year (Barcelona)
🏢 Longtail Technologies
📍 Barcelona