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L3Harris Technologies · London, England

UK Customer Engagement Lead - Technical

London, EnglandManager or lead

Listed on L3Harris Technologies’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there.

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Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title

UK Customer Engagement Lead - Technical Job Location: Picadilly Circus, London Job Description: L3Harris Trenchant’s expertise is the by-product of the acquisition of two highly-regarded information security businesses – Azimuth Security and Linchpin Labs. United under L3Harris Trenchant, we are a key component of L3Harris’ Intelligence and Cyber International Division. We are a trusted, discrete partner furnishing security products, consultancy, training and integration services to allied security, defense, and law enforcement agencies.

The UK Customer Engagement Lead is responsible for the strategic direction, performance and growth of Trenchant in the UK. The role involves recommending and implementing business development strategies to achieve short to long-term business goals, as well as providing first class customer support. Additionally, the UK Customer Engagement Lead will build and maintain strong relationships with customers, industry partners, and internal stakeholders.

This role will also include a field engineer component to demonstrate Trenchant products to customers as well as support them in their mission use of the product suite.

Essential Functions

In line with the corporate direction, execute UK strategic plans to meet Trenchant goals. Responsible for the financial performance of Trenchant in the UK. Develop deep and professional relations with all UK customers. Establish networks with appropriate customer leadership. Represent the UK customers as a stakeholder in key business decisions. Frequent collaboration with key stakeholders from senior management, Product Delivery and Engineering teams to ensure the business is aligned with customer requirements.

Serve as a UK Field Engineer, providing technical expertise and product support with a focus on enabling UK customer outcomes.

Qualifications

Bachelor’s degree or equivalent experience in software engineering, computer science or related technical discipline. 3+ years of management experience. Prior experience working in, or supporting Computer Network Operations teams Recent and relevant experience (within last 3 years) working in a technical field; ie. Software Engineering, IT Prior experience with Defense, Intelligence, Law Enforcement or Cyber companies.

Recent experience (within last 3 years) deploying or installing solutions on Linux Recent experience (within last 3 years) administering, deploying to, or troubleshooting Web Servers Recent experience (within last 3 years) using network analysis software Ability to obtain and maintain a UK security clearance and hold UK citizenship for security purposes Preferred Additional Skills: Experience using Computer Network Operations software and tools.

Experience with commercial business models. Recent experience (within last 5 years) using and/or deploying solutions with Docker Recent experience (within last 5 years) using Android debugging tools and techniques Strong organisation, prioritisation, and multitasking skills. Strong interpersonal skills. Highly self-motivated, innovating, and self-confident.

A few of our employee benefits are: Bonus scheme 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 Important to know Due to the nature of our work some of 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. L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all.

Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.

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