Sr Sales Manager, Mid-Market - UK & Ireland (Remote)

About Customer.io

Over 10,000 companies from scrappy startups to global brands use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. Customer.io powers automated communication that people actually want to receive. We help teams send smarter, more relevant messages using real-time behavioral data.

About the Role

We’re hiring a Senior Sales Manager to build and lead a new team of 6–8 Account Executives in our Mid-Market organization. The EMEA org is already running this sales motion successfully; you’ll be responsible for ramping and leading your team, establishing its operating rhythm, and shaping its approach to territories and pipeline generation as needed.

This is a frontline leadership role. You’ll translate our go-to-market strategy into consistent team execution by coaching reps, inspecting deals, driving forecast accuracy, and creating the structure for strong performance to repeat quarter after quarter.

What you’ll own:

Lead and develop a high-performing team

Coach Account Executives to consistently meet or exceed quota and grow into their next role Run focused 1:1s built around deal quality, skill development, and real accountability Ramp new reps quickly and address performance gaps early, before they compound Build a team culture rooted in ownership, collaboration, and high standards

Drive pipeline health and forecast accuracy

Lead weekly pipeline and forecast reviews focused on deal progression, qualification rigor, and clear next steps Sharpen predictability through disciplined inspection and clean CRM hygiene across the team Maintain healthy pipeline coverage and address creation gaps before they become quarter-enders Reinforce structured, rep-owned outbound tied to measurable standards and pipeline outcomes Use activity, conversion, and pipeline data to test and improve outbound effectiveness over time.

Support high-quality deal execution

Coach reps to run well-qualified mid-market op