Executive Assistant

About RHAELM

RHAELM is a UK-based AI infrastructure and software solutions provider building the next generation of sovereign-grade AI data centres across EMEA. Designed for resilience, security, and scale, we enable commercial and government customers to deploy advanced AI with confidence in environments where performance, reliability, and compliance are non-negotiable. Focused on regulated and mission-critical sectors including Government, Defence, Healthcare, and Financial Services, we are creating the trusted foundations for AI adoption at scale, combining robust infrastructure with disciplined governance to support long-term innovation and national-level capability.

This Role

As Executive Assistant, you will provide high-level, trusted support to our Executive Directors, giving them the space to focus on strategic priorities across our government, defence and critical infrastructure work. You will take ownership of complex diaries, sensitive communications and cross-functional coordination, acting as a central point of control for their time, information flow and priorities.

This is a role of real discretion and judgement, operating close to leadership decisions in a security-conscious environment. You will work at the heart of the business, building trusted relationships across the leadership team and with external stakeholders including government and defence partners.

Key Responsibilities

• Own and control the Executive Directors' diaries end-to-end, prioritising engagements and resolving scheduling conflicts with judgement

• Manage inboxes and correspondence, drafting and triaging communications on their behalf

• Coordinate complex UK and international travel itineraries, including logistics for secure or restricted-access sites

• Prepare and quality-check briefing packs, board papers and presentations ahead of key meetings

• Act as the primary point of contact between the Executive Directors and internal leadership, external partners, clients and government stakeholders

• Lead on planning and coordination of leadership meetings, board sessions and offsites, including agendas and minute-taking

• Manage confidential and sensitive information with absolute discretion

• Track and follow up on actions arising from executive meetings, ensuring accountability across the leadership team

• Support budget and expense management for the executive office

Experience

• Experience as an Executive Assistant or Senior PA supporting C-suite or board-level executives

• Experience operating in defence, government, critical infrastructure or another security-conscious sector is strongly preferred

• Track record of managing complex, high-volume diaries and competing priorities under pressure

• Experience coordinating board or leadership meetings, including papers, minutes and action tracking

• Demonstrated ability to handle confidential and sensitive information with consistent discretion

• Eligibility to obtain UK security clearance (SC level or above)

Skills

• Exceptional organisational skills with meticulous attention to detail

• Advanced proficiency in Microsoft Office (Outlook, Word, PowerPoint, Excel)

• Strong written and verbal communication, able to represent senior leadership credibly with stakeholders

• Sound judgement and discretion when handling sensitive or classified information

• Ability to work independently, anticipate needs and act decisively under time pressure

• Calm, professional manner in fast-moving, high-stakes situations

Qualifications

• Educated to degree level, or equivalent experience supporting senior leadership

• Relevant professional certification in administration or business support is desirable but not essential