Assistant Treasurer

Assistant Treasurer Department:
Finance

Employment Type:

Permanent
- Full Time

Location:

UK
- London Compensation: £100,000 - £120,000 / year Description A bit about Field:
Field is an international builder, owner, operator, of renewable infrastructure. Our Founder and CEO is a successful entrepreneur who previously co-founded a green energy supplier. We have robust pipelines of BESS projects across the UK, Italy, Spain, and Germany - and strong financial backing. Our most recent fundraise was a £200 million investment from CVC DIF Capital Partners. This will support our mission to grow internationally, and ultimately to build and develop a robust global BESS portfolio.

The role:

This is a senior, high-impact hire that will elevate the capability of Field's Treasury function. Reporting directly to the Group Treasurer, the Assistant Treasurer will serve as a lead on infrastructure debt finance management, trade finance solutions, insurance, and derivative execution across the group. The role has supervisory responsibility within the team and is expected to either be established or develop into a number 2 within Group Treasury.

This role is suited to an established Senior Treasury Manager or Assistant Treasurer level candidate. The successful candidate will combine strong technical expertise in project and infrastructure finance with hands‑on experience executing complex trade finance instruments, surety bond lines, and ISDA‑documented hedging programmes. This is a role for someone who can operate at both strategic and transactional level, and who is energised by the pace and complexity of a growing European infrastructure platform.

Key Responsibilities Infrastructure & Project Finance Lead the day‑to‑day management and compliance monitoring of project finance and secured debt facilities across the group's UK and European asset portfolio Working with the Debt and Structured Finance Manager, oversee and develop the group's debt financial model, including maintaining base cases, scenario analysis, and covenant headroom reporting Support and lead on new debt raises, refinancings, and facility amendments - coordinating with lenders, legal advisors, and internal stakeholders from mandate through to close Manage relationship with project finance lenders, monitoring agents, and technical advisors across the portfolio Ensure robust debt compliance processes, including preparation of compliance certificates, drawdown requests, and lender reporting packs Surety Bond & Trade Finance Own and manage the group's surety bond programme end‑to‑end: negotiating and executing new bond lines, administering the existing portfolio, and managing relationships with surety providers Identify opportunities to optimise bonding structures, reduce costs, and increase capacity in line with the group's development pipeline Lead negotiations on trade finance facilities, including structuring, documentation, and execution in coordination with banking counter parties and legal counsel Work with project and construction teams to ensure bond obligations are met on time and within facility limits Hedging & Derivative Execution Lead the negotiation, documentation, and execution of ISDA Master Agreements and Credit Support Annexes (CSAs) with banking counter parties Execute interest rate hedging programmes in connection with project finance facilities, including swaps, caps, and collar structures Execute FX hedging strategies across group entities, using forwards and options to manage currency exposures Support the development of commodity hedging strategies (power, battery input materials) in conjunction with the Group Treasurer Maintain ISDA documentation register and monitor CSA exposure, ensuring margin calls and collateral obligations are managed effectively Insurance Own the group’s insurance programme, acting as the primary internal point of contact for all insurance matters and the principal relationship manager with external brokers Work closely with brokers to ensure adequate and appropriate coverage is maintained across all operational and construction‑phase assets, including property all‑risk, construction all‑risk (CAR/EAR),…