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Product Engineering Manager

L3Harris Technologies· London, England, United Kingdom
Posted 5 Jun 2026Engineering Manager
AndroidiOS
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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.

Title: Product Engineering Manager

Job Location:

London, Piccadilly Circus

The Product Engineering Manager is responsible for managing a portfolio of software projects, overseeing staff, support services, and all associated deliverables.

About L3Harris Trenchant:

Working at Trenchant means working alongside the best researchers and engineers from across the security research and intelligence communities. Our tight-knit interdisciplinary teams generate thoughtful capability designs and incremental feature releases that reliably deliver world-class computer security products into operational environments. Our business unit offers an exceptional value-proposition for individuals looking to make an impact.

Trenchant’s expertise is the by-product of the L3Harris acquisition of two highly-regarded information security businesses – Azimuth Security and Linchpin Labs. United under Trenchant, we are a key component of L3Harris’ Intelligence and Cyber Sector, now the core of the newly established Cyber division. We are a trusted, discrete partner furnishing security products, consultancy, training and integration services to allied security, defense, and law enforcement agencies.

What The Role Will Involve

The responsibilities of your role will include the following:

Lead, mentor and support a large cadre of experienced engineering individuals overseeing teams across the US, Canada, UK, Australia and New Zealand

Own product intent, portfolio priorities, and trade-off decisions across assigned product lines, acting as the accountable voice for both engineering and product outcomes

Devise and apply communications strategies to align a global, cross-functional workforce around product and delivery goals

Engage stakeholders to reconcile strategic, commercial, and technical priorities - translating customer signal into product direction

Assemble and monitor high-performance, multidisciplinary engineering teams

Set objectives, monitor performance, promote communication, and ensure the well-being of direct reports

Support administrative tasks to ensure timely processing of actions affecting direct reports

Technical & Product Responsibilities:

Define and guard product intent - establishing what each product is, what it is not, and who it is for - and restate this when scope pressure arises

Collaborate with team leads to review high-level architecture, internal project goals, and technical barriers

Partner with stakeholders to refine project priorities and adapt deliveries based on evolving market and customer requirements

Analyze program requirements and develop effort estimates in conjunction with program management partners

Maintain depth in respective disciplines and contribute to ongoing software projects in research, engineering, or quality assurance

Qualifications:

Bachelor's degree or equivalent experience in software engineering, computer science, or a related field

8+ years of experience in software development, process automation, quality engineering, or network operations

Proficiency in high-level programming languages and operating systems (Linux, Windows, macOS, Android, iOS)

Working knowledge of cybersecurity foundations; examples: penetration testing, offensive and defensive techniques, host and network forensics

Knowledge of TCP/IP communications, network security principles, and client/server architecture

Experience with containerization technologies (e.g., Docker), git workflows, and continuous integration/delivery platforms (e.g., Bamboo, Jenkins, GitHub, GitLab)

Knowledge and practical experience with agile software development methodologies

4+ years of experience leading a team

Preferred Additional Skills:

Substantial experience in CNO development/offensive cyber security

Experience in low-level programming languages and instruction sets

Ability to install and operate developer debugging tools on Windows, macOS, Android, or iOS

Experience with containerization, microservices, and DevOps practices

Work Environment and Physical Demands:

Duties require working with a global team and may periodically necessitate working outside of normal working hours (evenings, holidays, and weekends)

Up to 10% travel required

Ability to sit at a desk, look at a monitor, and type for extended periods of time in an office environment

May be required to lift/move up to 25 lbs with assistance

Dexterity of hands and fingers to operate and troubleshoot computers

A few of our employee benefits are:

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 many our roles require a UK/5 EYES 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.