Office Coordinator (part-time, tech startup) in Oxford

We are looking for a part-time Office Coordinator to join our growing defence AI company in central Oxford, ensuring the smooth day-to-day running. We are a fast-paced AI tech startup delivering mission-critical drone navigation systems, where reliability and adaptability matter. This is a part-time role (~10 hours/week) with office presence required at least 3 days/week, plus occasional flexibility for additional hours during busy periods.

The role blends office coordination, light project support, and other administrative support across facilities, travel, and HR. Depending on your interests and experience, there are also opportunities to get involved in marketing, production, and procurement. You will be reporting to the People & Operations lead, while also working closely with the COO & ops associate.

• Office administration (primary): Keep the office running day-to-day (supplies, lunches, basic upkeep); act as receptionist/point of contact in the office; coordinate maintenance, repairs, and contractors; run simple H&S routines.
• Operations support (secondary): Organise travel for flight trials/commercial events; help resolve issues, support organising team events/offsites, support improvement projects (e.g. workspace fixes, upgrades, process improvements, software rollout); occasional HR administration (onboarding, offboarding, recruitment).

• Must be based in or near Oxford with the ability to attend in person regularly.
• High organisation and ownership, with clear communication, positive attitude, ability to juggle different priorities and work autonomously as well as collaboratively.
• Previous experience in office/admin roles.
• Experience with modern tech stack: we use Slack a lot as the company communications tool, plus Asana, Sharepoint, AI tools, etc.

It is a plus if you also have:

• Startup experience.
• Additional competency in an operational area (such as HR, finance, legal, procurement, supply chain, etc.).
• Military background.
• Experience in aerospace or defence.

• The ability to make a measurable difference in the creation of cutting-edge technology in a rapidly growing start-up.
• Fast-paced environment with a positive, talented team.
• Forward-thinking, supportive culture with team socials, modern tech stack, regular strategic alignment.
• Merit-based compensation.
• 5% employer pension contribution.
• 25 days holiday + UK bank holidays pro-rata.
• A variety of perks: Free Monday team lunch, annual subscription allowance, etc.

This is an office-based role in Oxford. You’ll work alongside leading engineers, AI specialists, and industry pioneers, contributing directly to cutting-edge advancements in autonomous technology.

At Archangel Autonomy, we build intelligent systems that bring people and machines together to form effective teams, relieving mankind from dirty, dull, and dangerous tasks. Our mission is to design and deploy AI technologies that protect, support, and enhance the work of those operating on the front lines: law enforcement, first responders, NGOs, wildlife rangers, and military personnel. We are makers and engineers first, driven by the desire to solve challenges that matter.

Our culture is grounded in high integrity, teamwork, and a shared pursuit of excellence. Learning never stops here. We prioritise growth, knowledge sharing, and collaboration so every team member is empowered to thrive. We are looking for people who are proactive, collaborative, and passionate about purpose-led technology. If you are excited by meaningful challenges, thrive in fast-paced environments, and want to build technology that supports solving real-world problems, you will feel right at home.

So, what’s next? Apply now, and a member of our HR team will get in touch with you shortly. Our usual process includes reviewing your CV, a 30-minute phone screening, an office-based interview, plus if your interview falls on a Monday, you might even get to enjoy lunch with the team!