Energy storage is the most exciting area in energy today. Massive amounts of energy storage are required if renewable energy is to take its rightful place on the electric grid. Invinity provides an alternative to the most common type of battery, lithium-ion because the battery technology that works so well in our pockets doesn’t work as well at the grid scale; it wears out, limits use, and even catches fire.
Manufactured as a standardised product in a factory, Invinity’s vanadium flow batteries don’t degrade, won’t catch fire, and can be operated continuously from full charge to full discharge for 25 years. Invinity has 75 megawatt-hours of its modular battery systems in 82 projects across 15 countries - more than any other company in the space. We’ve deployed the largest flow battery systems in the U.S., Canada, Australia, and the UK, and are supported by the UK's National Wealth Fund, some of the world’s leading institutional investors and our projects are backed by major institutions including the U.S. Department of Energy and the UK Government.
A compelling product and recent funding put Invinity in a position to grow dramatically as it addresses the global imperative for stationary energy storage. Join us as we help transform renewable energy into a stable and dependable contributor to the transition to net zero.
Invinity has operations in the UK, Canada and the U.S. and trades publicly in the UK on AIM and AQSE and in the U.S. on OTCQX. For more information about us visit our webpage.
Senior Buyer
Location: Central Belt, Scotland (Hybrid)
Department: Supply Chain / Procurement
Contract: Full-time, Permanent
Salary: Competitive, with benefits
Reports to: Head of Supply Chain / Procurement Manager
About the Role
We are looking for an experienced and commercially-minded Senior Buyer to join our Supply Chain team. This role is central to ensuring continuity of supply for our global manufacturing operations, supporting improved cost performance, supplier quality and strategic sourcing decisions across an international supply base.
This is an opportunity for a strong procurement professional to shape our supplier strategies, drive high-impact improvements, and work closely with engineering, operations, planning and quality teams in a fast-paced manufacturing environment.
Key Responsibilities
Strategic Sourcing & Supplier Management
Manage and develop a global supplier base across multiple regions (UK, EU, Asia, North America).
Conduct strategic sourcing activities, including supplier research, RFQs, tendering and total cost analysis.
Lead commercial negotiations to secure best value, quality and delivery performance.
Identify and onboard new suppliers in line with business growth and risk mitigation strategies.
Deploy supplier performance scorecards and drive continuous improvement with key vendors.
Operational Procurement
Oversee purchase order placement, expediting and delivery management for critical components.
Support NPI and engineering change processes, ensuring material readiness and smooth introduction to manufacturing.
Work with planning and production teams to maintain inventory targets, optimise MOQ and reduce lead times.
Resolve supply disruptions and escalate risks proactively.
Commercial & Data Management
Analyse market trends, commodity price movements and global supply chain risks.
Support annual cost-down initiatives and budget cycles.
Maintain accurate data within ERP systems (e.g. Business Central, SAP, Oracle, Dynamics).
Produce procurement reports, forecasts and risk assessments for senior leadership.
Cross-Functional Collaboration
Partner with Quality, Engineering and Operations to ensure supplier compliance with specifications, audits and corrective actions.
Support sustainability, ESG and ethical sourcing initiatives.
Represent procurement in project teams and continuous improvement activities (Lean, Six Sigma or similar).
What We’re Looking For
Essential:
Significant experience as a Buyer / Senior Buyer in a manufacturing, engineering or technical environment.
Experience managing global supply chains, preferably with high-value or complex components.
Strong negotiation skills with a proven record of delivering cost, quality and delivery improvements.
Proficiency in modern ERP systems (Microsoft Business Central, SAP, Oracle, IFS, Dynamics).
Ability to read engineering drawings and understand technical specifications.
Excellent analytical skills with strong Excel capability.
Experience managing supplier risk, contracts and service-level agreements.
Desirable:
CIPS Level 4 or above
Experience working in renewables, energy storage, automotive, aerospace, electronics or heavy engineering.
Knowledge of international logistics and trade compliance.
Exposure to Lean manufacturing or continuous improvement principles.
Chinese Language would be a huge plus but not essential
Personal Attributes
Strong communicator with the confidence to challenge and influence at all levels - a bit of savvy in negotiations, this is not a Junior role.
Emotional intelligence and someone who can progress problems into solutions
Highly organised with the ability to manage competing priorities in a deadline-driven environment.
Commercially astute with a mindset for continuous improvement.( LEAN
Comfortable working independently while also contributing to a collaborative team environment.
This role may involve travel potentially Canada & Asia as well as Europe
We are a small but scaling organisation- happy to adapt but also we do need people to jump into help our other teams and be willing to flex.
Willing to mentor