Strategic Accounts Lead — Growth & Renewals (Equity)

Siena; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

SienaSiena in London is seeking an experienced Account Manager to own the commercial relationship for Growth and Strategic accounts, including renewals and expansions. You will work with deployment strategists to ensure alignment across sales, product, and customer success.

This role requires proven SaaS sales chops, 3+ years in account management, and a track record of negotiating $100k+ deals. Expect travel for workshops and QBRs, with ownership of executive relationships and measurable

Qualifications

• 3+ years in account management with technical, complex software.
• Experience negotiating $100k+ deals independently.
• Startup background: fast-paced, ambiguous environments.

Responsibilities

• Own the commercial relationship end to end for Growth and Strategic accounts, from post-onboarding through long-term growth.
• Negotiate renewals, identify and close expansion opportunities, and quantify customer ROI.
• Bring product depth to relationships, explain capabilities, and guide on strategic use cases.
• Lead cross-functional execution with other teams to turn problems into clear plans.

Skills

Account management

SaaS sales

Job description

SienaSiena in London is seeking an experienced Account Manager to own the commercial relationship for Growth and Strategic accounts, including renewals and expansions. You will work with deployment strategists to ensure alignment across sales, product, and customer success.

This role requires proven SaaS sales chops, 3+ years in account management, and a track record of negotiating $100k+ deals. Expect travel for workshops and QBRs, with ownership of executive relationships and measurable