Senior Executive Assistant

About the Opportunity

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.

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' Bristol location is the Headquarters for our Maritime UK business – a leading global supplier of integrated marine control systems and simulation products for warships, submarines and high‑end commercial marine vessels worldwide. Since its inception, L3Harris has continuously iterated upon our Integrated Platform Management System (IPMS) technology and successfully exported and delivered the system to over 300 vessels across 27 navies worldwide. We have additional Maritime UK sites in Burgess Hill, Barrow‑In‑Furness and Portchester. Together, we are powering the Royal Navy's adoption of autonomous surface vehicle technology as well as delivering autonomous capability to UK ports, harbours and offshore energy service providers.

Benefits

• 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 4× salary (flexible up to 10×)
• 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)

Responsibilities

• Provide high‑level administrative, operational, and project support to the Divisional Vice President, General Manager and their leadership team.
• Manage the VP‑GM’s complex calendar, scheduling and coordinating meetings across time zones.
• Arrange domestic and international travel and expense claims in compliance with internal policies and regulations.
• Draft, format and manage correspondence, presentations and briefing materials for internal and external use, respecting confidentiality.
• Coordinate leadership meetings, prepare agendas, take minutes and track action items.
• Act as a trusted liaison between the VP‑GM, sector teams, clients and other stakeholders.
• Support planning and execution of key internal and external events, site visits and conferences.
• Provide management and coordination support for business improvement initiatives and ad‑hoc projects, tracking milestones and delivering reports.
• Facilitate communication and coordination across the business, building effective working relationships.
• Serve as primary point of contact for all travel enquiries for the VP‑GM and their leadership team, coordinating with travel providers and ensuring compliance with corporate travel policies.
• Process and support expense reporting in line with company policies.

Qualifications

• Previous experience in an Executive Assistant, Personal Assistant, Office Manager or junior Program Management role.
• Experience supporting senior leaders and managing competing priorities.
• Strong organisational and time‑management skills with excellent attention to detail.
• Excellent written and verbal communication skills.
• Advanced proficiency in Microsoft Office Suite.
• Ability to manage confidential information with discretion.
• Strong problem‑solving capability.

Due to the nature of our work many roles require UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the right‑to‑work in the UK and be eligible 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.