Implementation Manager

Methodfi; Greater London; On-site; GBP 60,000 - GBP 80,000; Full time

Job summary

A financial technology company in Greater London is seeking an Implementation Manager to oversee complex ERP transitions for multinational clients. The ideal candidate will have a BS degree in Accounting, a minimum of 3 years managing ERP migrations, and strong project management skills. Responsibilities include building relationships with clients and executing project plans for successful platform adoption. An attractive salary and benefits package is offered, along with opportunities for career growth in an innovative environment.

Benefits

Competitive salary + potential stock options

Generous paid annual leave

Regular company socials and off-sites

Opportunity for career growth

Qualifications

• 3+ years of experience managing ERP migrations or implementation at a Big4/alike firm.
• Thorough knowledge of accounting principles is a must.
• Ability to leverage emerging technology tools.

Responsibilities

• Lead complex implementation projects for multinational clients.
• Build trusted relationships with finance leadership teams.
• Develop project plans with clear milestones and deliverables.

Skills

Project Management

Accounting Principles

Client Relationship Management

Problem-Solving

Financial Systems Integration

Education

BS degree in Accounting, Finance or related field

Tools

ERP systems

Financial Software Integrations

Job description

Retire the ERP.

Light exists to replace factory-era ERPs with software that feels alive. Our Smart Financial Platform gives modern, global companies superpowers—automated accounting, real-time reporting, and financial flows that move at the speed of the business.

We build with our customers, ship fast, and obsess over craft. In a short time, Light has gone from idea to the operating core for leading companies like Lovable, Legora, and Keyshot. People don’t just use Light—they enjoy it.

We’re an early team defining a new software category. Think engineers who love debits and credits, designers who care about reconciliation states, and operators who treat finance as a product. If you’re excited to modernize how the world runs money—one workflow at a time—you’re in the right place.

Backed by world-class investors and advised by industry titans, we’re building category-defining products with the freedom to ship ambitiously and own outcomes.

Come help us make Light the global default for next-gen finance.

The implementation manager should be:

• Leading complex implementation projects for multinational clients transitioning from legacy ERPs to Light's Smart Financial Platform.
• Applying your experience to navigate intricate financial systems processes during client migrations.
• Building trusted relationships with client finance leadership teams to drive ensure successful platform adoption.
• Developing and executing detailed project plans with clear milestones and deliverables.
• Collaborating with internal product and engineering teams to translate client requirements into successful implementations.

How you fit into the team

Your main mission is to ensure flawless transitions from outdated ERP systems to Light's modern financial platform. Based in-office, this role requires you to leverage your background to build credibility with finance executives while managing complex technical implementations. You'll be the bridge between enterprise finance teams and our product capabilities.

This is a client-facing role with direct responsibility for implementation success and long-term client satisfaction. You'll work with a small and stellar team with a deep understanding of the market who has done this before.

Your qualifications could be:

• BS degree in Accounting, Finance or related field.
• 3+ years of experience as either an in-house systems manager who has managed ERP migrations or Big4/alike firm with focus on accounting or ERP implementation
• Accounting Expertise: Thorough knowledge of accounting procedures and principles is a must.
• Project Management Excellence: you love adding structure to chaos and have a checklist for everything you do.
• Finance Systems Expertise: You understand the intricacies of financial systems, processes, and how they integrate across multinational organizations.
• Client Relationship Management: You excel at building trust with C-suite executives and finance leadership teams through clear communication and consistent delivery.
• Problem-Solving: You can quickly diagnose implementation challenges and develop practical solutions that balance client needs with technical feasibility.
• Practical experience using AI or emerging technology tools to improve productivity, insight, or decision-making, with the ability to apply first-principles thinking to new problems.

Bonus points:

• Experience specifically with migrations to or from major ERP systems (Oracle, NetSuite) to more modern financial platforms.
• Technical Aptitude: You have hands-on experience with financial software integrations and data migration.
• Industry Specialization: You have deep expertise in the tech/SaaS industry and understand their unique financial operations challenges.
• International Experience: You've worked on multinational projects spanning different regulatory environments and accounting standards.

A few tips to stand out

• Share specific examples of complex implementation projects you've led, focusing on how you overcame resistance to change.
• Demonstrate your understanding of financial systems architecture and migration strategies that minimize disruption.
• Explain your approach to building client trust throughout challenging transformation projects.

The good stuff

In addition to being part of a great team and working in a really fun and innovative environment, we offer:

💸 A competitive salary + potential stock options
🏝 Generous package of paid annual leave + public holidays in the country where you are based.
🥳 Regular socials and company off-sites (last time was Southern France and next time is in October).
🚀 A huge opportunity for career growth as you'll help shape a market-defining product.

The famous last words

Working at Light means you're embarking on an exciting journey to reshape the future of multinational financial operations. Our cheat-code is that we've built something like this before - and are now doing it again, only better. Our goal is to make global finance effortless and empower companies to make informed decisions.

Join the rocket ship while it's taking off 🚀