Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic strength, and democratic institutions.
We build Acra – the platform foundation for everything we do as a dual-use technology company. The platform’s name, rooted in the Greek word for citadel (or, fortress), reflects the design and purpose of our infrastructure-agnostic secure enclaves: protecting critical data. Some of the government and commercial workflows include: increased operational resiliency for mission-critical systems and functions; enabling organizations to more quickly and widely adopt emerging technologies while ensuring the integrity of their intellectual property; information flow during disaster response scenarios, and zero-trust / least-privilege environments for M&A, attorney-client privileged communications, etc. And we’ve only scratched the surface.
At our core, we're driven by a shared mission and a belief in making a tangible impact on our world. Whether you join our London HQ or the wider global organisation, you’ll be a part of collaborative, high-performing teams, creating cutting-edge software, platforms, and infrastructure.
The RoleThis is an exciting opportunity to sit at the heart of the business, providing proactive executive assistance to the COO and wider leadership team, while also taking ownership of front-of-house responsibilities.
You’ll work directly with our COO and/or other members of the executive team to manage their day-to-day operations, prioritise time effectively, and ensure they stay focused on what matters most. You’ll play a critical role in keeping our leaders organised, informed and prepared – acting as a trusted partner in the fast-paced environment of a growing tech company.
What you’ll do:Calendar & Email Management: Coordinate and manage executive calendars, schedule meetings (internal and external), and triage email correspondence.
Meeting Preparation: Organise agendas, prep materials, and take notes during key meetings; track action items and follow-ups.
Front of House Support: Greeting guests, handling relevant security measures and keeping the in office meetings on track.
Travel Coordination: Book travel, accommodations, and build efficient itineraries for domestic and international trips.
Internal Communication: Serve as a liaison between executives and internal teams, ensuring smooth information flow.
Project Support: Assist with special projects including research, presentation preparation, and event planning.
Operational Support: Help establish and improve internal processes, systems, and documentation.
Confidentiality: Handle sensitive information with the utmost discretion and professionalism.
3+ years of experience as an Executive Assistant or similar role (start up or tech experience strongly preferred).
Exceptional organisational skills or attention to detail.
Excellent written and verbal communication.
High level of discretion and emotional intelligence.
Proactive, resourceful, and thrives in a fast-paced environment.
Comfortable with tech tools like Google Workspace, Slack and project management tools.
Ability to multitask and prioritise under pressure.
Flexible, positive attitude and a ‘no task too small’ mindset.
Experience supporting C-level executives or Founders would be preferable.
Our benefits are designed to ensure our employees feel taken care of and are proud to be a part of the Valarian team. We are committed to consistently enhancing our benefit package, taking into account the overall well-being and needs of our teammates. Here are the key benefits accessible to all employees at Valarian Technologies:
Equity – because you have the right to own what you’re building
A competitive salary – because we value your unique skills
Employer pension contributions – because you deserve a secure future
Private health insurance - because your health is important to us
Hybrid work setup – because everyone has different needs
Gym memberships - because staying active fuels productivity
Rewarding company retreats and meetups that respect your work/life balance – because we love getting to know each other
Our culture is built on inclusivity, compassion and flexibility – we want everyone to be empowered to achieve their goals at Valarian.
The world is changing, and so is our way of working. If you want to join us in the London office – it’s quite nice! – you’re welcome to; and if you’d prefer to work remotely, that’s fine too.
And as we build elegant solutions to simplify the complexities of business collaboration, we also simplify work life: contribute wherever and whenever allows you to be your best self. We trust each other to consistently raise the bar, and we challenge each other to continually reach new heights.
Skills Required
- 3+ years of experience as an Executive Assistant or in a similar role
- Exceptional organizational skills and attention to detail
- Excellent written and verbal communication skills
- High level of discretion and emotional intelligence
- Proactive, resourceful, and comfortable in a fast-paced environment
- Comfort with Google Workspace, Slack, and project management tools
- Ability to multitask and prioritize under pressure
- Flexible, positive attitude and willingness to handle varied tasks
- Startup or technology experience
- Experience supporting C-level executives or founders
What We Do
Valarian delivers advanced data sovereignty infrastructure engineered to empower commercial enterprises and government institutions with full data ownership. Our solution is built to give customers complete control over their data, leveraging strategic localisation, granular access controls, and thorough auditability. Amid rising geopolitical and cyber threats, Valarian fortifies critical operations, enhancing resilience, securing privileged communications, and protecting IP and trade secrets. In this way, we enable corporate and government entities to innovate and compete globally with unwavering confidence.









