Executive Assistant

Rhaelm; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

RHAELM seeks an Executive Assistant to provide high-level support to our Executive Directors, enabling strategic focus across government, defence and critical infrastructure work. You will own complex diaries, handle sensitive communications and coordinate cross-functional priorities.

This role requires discretion as you work close to leadership decisions in a security-conscious environment, building trusted relationships with leadership teams and external stakeholders including government

Qualifications

• Experience as an Executive Assistant or Senior PA supporting C-suite or board-level executives.
• Experience in defence, government, critical infrastructure or security-conscious sector preferred.
• Ability to manage complex, high-volume diaries and priorities under pressure.
• Experience coordinating board or leadership meetings, papers, minutes and actions.

Responsibilities

• Own and control Executive Directors' diaries end-to-end, prioritising engagements and resolving scheduling conflicts.
• Manage inboxes and correspondence, drafting and triaging communications.
• Coordinate complex UK and international travel itineraries, including secure site logistics.
• Prepare and quality-check briefing packs, board papers and presentations for key meetings.
• Act as primary contact between Executive Directors and internal/external stakeholders.
• Lead on planning leadership meetings, board sessions and offsites, including agendas and minute-taking.
• Manage confidential/sensitive information with absolute discretion.
• Track actions from executive meetings and ensure accountability.
• Support budget and expense management for the executive office.

Skills

Executive support

Diary management

Stakeholder management

Discretion and judgement

Independent worker

Education

Bachelor's degree or equivalent

Tools

Microsoft Office Suite

Outlook

Word

PowerPoint

Excel

Job description

About RHAELM

RHAELM is the sovereign AI cloud built to accelerate AI deployment at scale. Solving the defining constraint of power availability, RHAELM delivers gigawatt-scale AI infrastructure pipelines across Europe and APAC – providing ring-fenced compute, networking, and storage optimised for high-performance AI workloads.

Sovereignty is RHAELM's core operating model. Every deployment operates in-country with local personnel, giving enterprise and public-sector organisations operational control without compromising on cutting-edge technology. From bare metal and Kubernetes to AI as a Service, RHAELM puts power, infrastructure, and platform capability under the customer's command.

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