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Systems Interface Limited
London Twickenham
FREQUENTIS UK Limited
From now on
Full time
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Job Introduction
Systems Interface Ltd. (SIL) is a globally recognised Air Traffic Management (ATM) systems integrator with over 40 years of experience delivering aviation navigation and technical consulting solutions across more than 40 countries.
Key Tasks
Strategic Growth & Market Development - Shape SIL’s overall Strategic direction and Strategic plan - Shape and execute specific strategies & initiatives to expand SIL’s presence in the global aviation navigation and ATM sectors. - Identify and secure new business opportunities and partnerships. - Monitor market trends, competitor activities, and regulatory developments.
Commercial Leadership
- Lead major tenders and complex commercial negotiations.
- Oversee contract strategy, pricing models, and commercial governance.
- Ensure profitable, sustainable long‑term growth.
Operational & Project Excellence
- Provide executive oversight for navigation system delivery, including ILS, DVOR/DME, and broader ATM solutions.
- Maintain compliance with international aviation safety and quality standards.
- Drive continuous improvement in project execution and delivery.
Leadership & Organisational Development
-Set the vision and take the team with you on the journey
- Continue to develop, build and inspire high‑performing engineering, commercial & project teams.
- Foster a culture of innovation, accountability, and high performance.
- Strengthen processes and governance to enable scalable growth.
Essential Experience
- Leadership experience in aviation navigation aids, ATM systems, airports or high‑integrity engineering sectors.
- Demonstrable successful leadership and engagement of high performing teams
- Building an inclusive, diverse, people led culture which makes everyone proud to work for you and for the business.
- Demonstrable success in strategy development and international business expansion.
- Strong commercial acumen and management of complex global projects.
Key Qualifications
- Degree in Engineering, Aviation Management, or a related technical field.
- Additional leadership or commercial qualifications are an advantage.
Our Values
Benefits
Benefits
Salary
This salary is the minimum salary according to the collective agreement based on a 37.5 hour week. Your actual annual gross salary results from the overpayment in line with the market depending on your professional experience and qualifications and is part of our attractive overall package.
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Natasha Donovan
HR Generalist & Talent Acquisition Specialist
| Natasha.DONOVAN@frequentis.com
| Social media contact
I am passionate about building a workplace where people feel valued, supported, and empowered to grow – something I see reflected in our culture here at Frequentis.
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At Frequentis we don’t just create innovations,we create a kind of wonderto make the world a safer place.
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CAREER AWARDS

Frequentis stands for a safer world. Their solutions are used in our customers’ command and control centres to help them make the world safer.
Frequentis is a world leader in high-tech solutions for Air Traffic Management, supporting both civil and military air traffic control organisations, as well as Public Safety and Transport, where police, emergency rescue services, fire brigades, railways, coastguards, and port authorities rely on their extensive portfolio.
The listed family business based in Vienna, Austria, drives innovative and sustainable solutions for safety and security in everyday life and in the safety-critical sector. Its air traffic optimisation solutions for air traffic control centres are contributing to reducing emissions.
As a global player with more than 2,400 employees (full-time equivalents/FTE), Frequentis has a worldwide network of companies in over 50 countries. Its products, services, and solutions are used in around 150 countries. Shares in Frequentis are traded on the Vienna and Frankfurt stock exchanges; ISIN: ATFREQUENT09, WKN: A2PHG5. In 2024, revenues were EUR 480.3 million and EBIT was EUR 32.1 million.