Senior Enterprise CSM & Growth Leader

Fyxer; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Fyxer is seeking a commercially minded Customer Success / Account Management leader to drive renewals, expansions, and strategic partnerships with our largest customers. This hands-on role expects you to build from zero, lead relationships across orgs, and turn value into growth.

In London, the role is hybrid with office-based work; you’ll own a portfolio of enterprise accounts, shape our CS motion, develop playbooks and tooling, define KPIs, and partner with Product and Sales to ensure revenue

Qualifications

• 8+ years in Customer Success or Account Management, with a clear track record of owning revenue (renewals + expansion).
• Enterprise experience - you’ve navigated complex orgs, long sales cycles, and strategic conversations.
• Commercially driven - you’re not afraid to talk numbers, push for value, and ask for the upsell.
• Builder mindset - you’re energized by ambiguity and excited to help define a motion from scratch.
• Excellent communicator - confident leading executive conversations, translating technical concepts, and managing internal stakeholders.
• Tooling savvy - you know your way around modern GTM tools and can help us choose and implement what works best.
• Startup-ready - fast, flexible, and energized by change.

Responsibilities

• Own a portfolio of high-potential, high-complexity enterprise accounts
• Drive the full renewal cycle
• Multithread across stakeholders to ensure broad, embedded relationships
• Surface commercial opportunities through value-based conversations
• Develop scalable, repeatable playbooks for success, renewal, and expansion
• Help shape our tooling and GTM tech stack - helping choose, implement, and evolve the right systems to support success at scale
• Define and refine KPIs and dashboards that help us track what matters most for our customers
• Translate customer insights into product feedback and roadmap influence
• Collaborate closely with Sales on account planning and pre-to-post handoffs
• Bring a commercial lens to everything - always thinking about how success drives revenue

Skills

Customer Success

Account Management

Revenue Ownership

Executive Communication

Stakeholder Management

Value-based Selling

Strategic Partnerships

Job description

Fyxer is seeking a commercially minded Customer Success / Account Management leader to drive renewals, expansions, and strategic partnerships with our largest customers. This hands-on role expects you to build from zero, lead relationships across orgs, and turn value into growth.

In London, the role is hybrid with office-based work; you’ll own a portfolio of enterprise accounts, shape our CS motion, develop playbooks and tooling, define KPIs, and partner with Product and Sales to ensure revenue