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About the Role
As our Office Manager, you will be the engine behind our operations. You'll run the back office and ensure smooth operations and processes, such as payroll, benefits, events, accounting, making sure every process runs on time and every detail is handled correctly. This role suits someone highly organised, discreet with sensitive information, and comfortable being the person who keeps things moving without needing to be chased.
Responsibilities
- Act as the main point of contact for payroll, pension and benefits, ensuring the right information gets updated and each cycle runs smoothly.
- Manage employment contracts, HR records, and onboarding paperwork.
- Run new hire onboarding end to end and provide administrative support through the recruiting pipeline, from scheduling to offer paperwork.
- Process and pay invoices, manage ad-hoc expense reimbursements, coordinate with our accountants and keep our financial admin accurate and up to date.
- Manage supplies, vendor accounts, and subscriptions so the team always has what it needs to work well.
- Organise team dinners and off-sites, and book ad-hoc travel for the team.
- Be the reliable interface between the company and our external specialists, making sure nothing falls through the cracks.
Requirements
- 1–3 years of experience in office management, HR administration, executive assistance, or operations coordination, ideally at a small or fast-growing company.
- Highly organised, with a track record of managing several workstreams and vendors at once without dropping details.
- Comfortable handling sensitive information, including salaries, personal data, and contracts, with discretion.
- Strong written and verbal communication skills, and confidence liaising directly with external providers such as accountants, lawyers, and payroll bureaus.
- Proactive and resourceful: you follow up without being asked twice and bring solutions, not just problems.
Skills
- Office management
- HR administration
- Executive assistance
- Operations coordination
- Organisation
- Discretion
- Written communication
- Verbal communication
- Vendor management
- Proactiveness
- Resourcefulness
Location
- London
Work Type
- Onsite
Experience Level
- 1-3 years
Benefits
- Generous paid time off
- Premium benefits
About the Company
- Diffractive Labs is an AI-driven materials discovery start-up, aiming to move beyond the bottleneck of human-driven scientific experiments.
- We combine frontier AI with a purpose-built high-throughput wet lab to run a closed-loop discovery process.
- We target materials critical for the energy transition.
Equal Opportunity
- Diffractive is an equal opportunities employer.
- We are committed to creating an inclusive environment for all employees and welcome applications from people of all backgrounds, experiences, and identities.
- If you require any adjustments or accommodations at any point during the interview process please let us know - we will be happy to help.