Office Operations & Recruiting Coordinator - 100%

Lightium AG seeks an Office Operations & Recruiting Coordinator in Schlieren to manage hiring, office logistics, and executive support in an early-stage deep tech startup.

This position serves as a central hub for the company’s daily operations, focusing heavily on recruitment, onboarding, and internal events. The role is designed for someone who can identify operational bottlenecks and proactively resolve them. As an early-phase startup, this position offers close collaboration with the founders and significant autonomy.

Responsibilities

• Manage the full lifecycle of the applicant tracking system, including job postings and pipeline maintenance.
• Coordinate the end-to-end recruitment process, from planning hiring needs to scheduling interviews and communicating with candidates.
• Handle travel arrangements and logistics for international candidates and external visitors.
• Process employment contracts and liaise with immigration attorneys regarding work permit applications.
• Oversee onboarding procedures to ensure new employees receive necessary equipment, access rights, and a structured first day.
• Create and refine written documentation for the employee journey and office guidelines.
• Administer HR software (Factorial), maintain personnel records, and track people metrics.
• Provide executive support by managing calendars, triaging emails, and drafting responses for the leadership team.
• Organize meetings and address ad hoc administrative requests.
• Plan and execute company events, including town halls, quarterly gatherings, and annual retreats.
• Maintain the conference and tradeshow calendar, including hotel bookings and deadline tracking.
• Manage relationships with vendors for cleaning, IT, facilities, and office supplies.

Requirements

• 3–5+ years of experience in office management, executive operations, administrative assistance, or recruiting coordination.
• Fluency in English is required.
• Comfortable working across an Applicant Tracking System (ATS), Microsoft 365, calendar, and travel-booking tools.
• Ability to handle sensitive information, contracts, immigration matters, and executive schedules with discretion.

Nice to have

• Experience in a fast-growing startup or scale-up environment.
• German language skills are a strong plus.
• Proficiency with AI (Claude) is more than welcome.

What the company offers

• Competitive compensation and benefits package.
• Employee stock option plan (ESOP).
• Fully-covered Pillar Two pension.
• Generous vacation.
• High-trust, high-autonomy role with visible impact from day one.
• Opportunity to shape how the company scales and grow your own role.

About the company

Lightium AG is a fast-growing deep tech company currently in an early-phase startup stage. The company culture is characterized by high trust and high autonomy, offering employees the opportunity to make a visible impact from day one.

• Fast-growing deep tech environment.
• Early-phase startup stage.
• High trust and high autonomy.