Finance Operations Senior Accountant

Closing date - 15th October 2026

Please note – this is a 14-month Fixed Term Contract, covering maternity.

NATS is the UK’s leading air navigation service provider, handling over 2.4 million flights each year. We provide air traffic control services from two control centres and at airports around the UK. We also provide a wide range of commercial products and solutions internationally. Our people are at the heart of our purpose to advance aviation and keep the skies safe.

This role is central to the Finance Operations Management Team, acting as a key liaison between the accounting service team, business partners, and wider stakeholders. You will support continuous improvement initiatives and contribute to leading and shaping a high-performing, collaborative Finance Operations function aligned with our values:
We are respectful, one team, courageous and safe.

The Senior Accountant plays a critical role in delivering accurate, timely, and insightful financial information and general accounting services across multiple business areas and/or multiple project or improvement activities.

You will be responsible for overseeing period-end close activities, providing variance and trend analysis, and ensuring compliance with statutory and regulatory requirements.

Team Management:
Direct line management of circa three individuals.
You will review key outputs and workload of the Finance Operations Service Team in collaboration with the other Senior Accountants to maintain a high-quality service, equal work distribution, personal growth and continuous improvement within the team.

Continuous Improvement:
Identify and drive continuous improvement activities. This includes identification of opportunities for automation, standardisation and digital improvement to increase control, efficiency and service quality within Finance Operations and across the wider finance community. This includes maintaining, reviewing and evidence-ing effective financial controls.

Commercial and Financial Insight:
Develop business area knowledge and work with Finance Business Partners (FBPs) to identify, understand, interpret, and interrogate key cost drivers, contracts and financial balances to assess their impact on performance and ensure accurate financial treatments. Act as the primary point of escalation within Finance Operations for FBPs, in relation to performance updates, financial insights, and commentary provided by the Accounting Service Team.

Financial Oversight for assigned business areas, including but not limited to:

• Collaborating with FBPs on budgeting and forecasting
• Period-end close and P&L preparation
• Balance sheet reconciliations
• Fixed assets, external funding, and billing
• Statutory and regulatory compliance (UK and overseas)
• Audit support and external bid work
• Cross-company transactions
• Project work and ad hoc queries

Review & Commentary:
Contribute to FP&A outputs, applying business knowledge to deliver meaningful commentary. Delegate low-risk reviews to the Finance Operations Accounting Service Team where appropriate.

Technical Accounting:
Work with business area stakeholders to ensure accurate technical accounting decisions and liaise with Group Financial Control for endorsement.

Stakeholder

Collaboration:

Engage with operational and functional managers to resolve queries and ensure alignment on financial matters.

Query Management:
Oversee and support Accountants with incoming queries from business areas, ensuring quality and timely responses are provided.

Delegation & Support:
Appropriately delegate tasks to the Finance Operations Service Team and provide hands‑on support where needed.

Policy Compliance:
Adhere to all relevant finance and business policies and procedures.

Qualificatio…