Customer Success Manager

Vantage Consulting; City Of London; Hybrid; GBP 46,000 - 55,000; Full time

Job summary

A fast-growing technology company is seeking a Customer Success Manager to manage key customer relationships for their IoT platform. This hybrid role requires 3-5 years of experience in customer success or account management and a proven track record in managing significant accounts. The ideal candidate will possess excellent communication skills and a strong commercial acumen, driving client satisfaction and retention while contributing to technology innovation in the industry.

Benefits

Health Insurance

Mental Health Leave

Flexible Working

Qualifications

• 3-5+ years' experience in Customer Success, ideally within SaaS or IoT.
• Proven track record managing accounts valued at £250k-£1m.
• Ability to explain engineering concepts to non-technical audiences.

Responsibilities

• Act as the main point of contact for major clients.
• Ensure smooth delivery of contracted services.
• Lead renewals, retention, upsells, and cross-sells.

Skills

Customer Success Experience

Account Management

Relationship Building

Excellent Communication

Stakeholder Management

Commercial Acumen

Job description

Overview

Customer Success Manager - Smart Infrastructure / IoT Platform

Location: London (Hybrid - 3 days in office, 2 days from home)

Salary: £55,000 base (flexible for the right profile) + Benefits

Benefits: Vitality Health Insurance, Mental Health Leave, Flexible Working

About the Role

We're partnering with a fast-growing PropTech scale-up that's redefining how large infrastructure and property portfolios optimise performance and sustainability. Their cutting-edge IoT platform is used across multiple environments whilst this role focuses on growing their offering with key customers in transport, logistics, and industrial environments to drive smarter energy usage, safety, compliance, and operational efficiency.

As a Customer Success Manager, you'll play a key role in managing and growing strategic customer relationships - ensuring clients achieve maximum value while driving account retention and growth.

Responsibilities

• Act as the main point of contact for major clients within the transport and infrastructure sectors (e.g. rail operators).
• Ensure smooth delivery of all contracted services and maintain strong client satisfaction.
• Lead renewals, retention, upsells, and cross-sells within existing accounts.
• Run onboarding and training sessions to drive adoption and engagement.
• Collaborate internally with delivery and data teams to provide insights and performance reporting.
• Represent the customer voice across the business, influencing continuous improvement.
• Travel to client sites as part of your customer-facing responsibilities.

What You'll Work With

You'll engage directly with senior operational, engineering, and sustainability stakeholders across key accounts in the transport and industrial sectors - building trusted partnerships that drive long-term success.

Why Join?

• Join a high-growth technology company (70 employees, £15m turnover) with bold plans to double in size within 3-5 years.
• Be part of the launch and expansion of a new IoT product across the UK and Europe.
• Gain exposure to senior leadership and decision-makers in major infrastructure organisations.
• Work in a hybrid, flexible environment that values autonomy and innovation.
• Contribute to a company driving the transition to net zero through smart building and asset optimisation.

What We're Looking For

• 3-5+ years' experience in Customer Success, Account Management, or Client Services, ideally within SaaS, IoT, or PropTech.
• Strong commercial acumen and a proven track record managing accounts valued at £250k-£1m.
• Excellent communication, relationship-building, and stakeholder management skills.
• Ability to explain technical or engineering concepts clearly to non-technical audiences.
• Experience in infrastructure, transport, or rail sectors (highly desirable).
• Engineer-turned-commercial profile welcomed - confident, proactive, and driven personality