Head of Business Unit

Job Title – Head of Business Unit

Job Location – Tewkesbury/Farnborough

Job ID – 38535

About this opportunity and L3Harris UK

Operating at 11 sites in the United Kingdom, L3Harris supports Britain's mission to secure and strengthen the country by delivering sovereign innovation across the space, air, land, sea and cyber domains.

L3Harris in Tewkesbury is part of our Global Spectrum Superiority (GS2) division. In the land domain, our T7 and T4 multi-mission robots deliver next-generation remote capabilities and uncompromised performance. We design and manufacture world-leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counterterrorism.

The role will be part of the GS2 (UK) Senior Leadership Team (SLT) and have overall responsibility for driving the strategic direction and execution of the Multi-domain Sensor Integration business. This includes overall accountability for financial performance of the BA, along with the end-to-end delivery of the Multi-domain Sensor Integration (MSI) mission capabilities, ensuring they meet market demands and strategic business goals. The role will work closely with senior leadership within a matrix organization, including business development, engineering and operations to ensure continued growth within the MSI market.

A few of our employee benefits are:

• Half day finish on a Friday


• 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days


• Private medical insurance with optional family cover


• Pension scheme of up to 8% employer contribution


• Life Assurance 4x salary (flexible up to 10x)


• Group income protection


• Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme, travel insurance and electric car scheme


• Employee Family Assistance Program providing mental health and wellbeing support


• Professional membership reimbursement (discretionary)

What the role will involve

We are seeking an experienced and commercially driven leader to head our newly established Multi-Sensor Integration Business Area. Our Multi-Sensor Integration Business Area explores technologies and offerings within counter-UAS and data fusion domains. Operating as a Business Unit Manager/Director, this role carries full responsibility for the strategic direction, operational performance, and financial success of the business area. The successful candidate will also hold full profit and loss (P&L) responsibility, including revenue growth, profitability, cash flow, forecasting, and investment decisions.

You will lead the development and growth of a portfolio focused on advanced multi-sensor integration solutions for defence and security customers, combining cutting-edge technologies to deliver operational advantage. With ambitious plans to expand our market presence, you will be accountable for delivering a growth strategy that achieves 30% growth over the next three years, while ensuring sustainable profitability and exceptional customer outcomes.

This is a high-profile leadership position offering the opportunity to shape a strategically important business, influence investment decisions, and build a market-leading capability within the defence sector.

What you’ll bring 

The role requires the following experience and skills:

• Proven experience leading and growing large/complex product portfolios leading cross-functional teams.


• Strong understanding of defence technologies, systems integration, and the operational requirements of defence and security environments.


• Previous experience in roles such as Business Unit Director, Business Unit Lead, Head of Programmes, Portfolio Lead and other similar positions.

Important to know

Due to the nature of our work many our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.

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